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Structured Imagery Processing Strategies for Spectroscopic Measurement in Dense Solutions
Absorbance measurement in dense media via conventional optical spectroscopy techniques leads to inaccurate results. This is mainly due to multiple scattering phenomena that contribute to the overall light extinction in the interrogated sample. This limitation imposes the use of dilute solutions for absorption spectroscopy. However, depending on the polarity of the solvent used, the absorption spectrum may vary over a given solution. Structured illumination technique offers an alternative to this problem, and provides the ability to calculate in-situ optical properties in dense media. In this p...
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Structured Laser Illumination Planar Imaging (SLIPI): Separating the Absorption and Scattering Coefficients Using Kubelka-Munk Relationship
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Structured Laser Illumination Planar Imaging (SLIPI): Separating the Absorption and Scattering Coefficients Using Kubelka-Munk Relationship
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Structured Laser Illumination Planar Imaging (SLIPI): Separating the Absorption and Scattering Coefficients Using Kubelka-Munk Relationship
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Structured Laser Illumination Planar Imaging (SLIPI): Separating the Absorption and Scattering Coefficients Using Kubelka-Munk Relationship
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Structured Laser Illumination Planar Imaging (SLIPI): Separating the Absorption and Scattering Coefficients Using Kubelka-Munk Relationship
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Structured Laser Illumination Planar Imaging (SLIPI): Separating the Absorption and Scattering Coefficients Using Kubelka-Munk Relationship
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Structured Laser Illumination Planar Imaging (SLIPI): Separating the Absorption and Scattering Coefficients Using Kubelka-Munk Relationship
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Structured Laser Illumination Planar Imaging Based Classification of Ground Coffee Using Multivariate Chemometric Analysis
<p class="1Body">Most commercially available ground coffees are processed from Robusta or Arabica coffee beans. In this work, we report on the potential of Structured Laser Illumination Planar Imaging (SLIPI) technique for the classification of five types of Robusta and Arabica commercial ground coffee samples (Familial, Belier, Brazil, Colombia and Malaga). This classification is made, here, from the measurement of the extinction coefficient µ<sub>e</sub> and of the optical depth OD by means of SLIPI. The proposed technique offers the advantage of eliminating the light inten...
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Structured Laser Illumination Planar Imaging Based Classification of Ground Coffee Using Multivariate Chemometric Analysis
<p class="1Body">Most commercially available ground coffees are processed from Robusta or Arabica coffee beans. In this work, we report on the potential of Structured Laser Illumination Planar Imaging (SLIPI) technique for the classification of five types of Robusta and Arabica commercial ground coffee samples (Familial, Belier, Brazil, Colombia and Malaga). This classification is made, here, from the measurement of the extinction coefficient µ<sub>e</sub> and of the optical depth OD by means of SLIPI. The proposed technique offers the advantage of eliminating the light inten...
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Structured Laser Illumination Planar Imaging Based Classification of Ground Coffee Using Multivariate Chemometric Analysis
<p class="1Body">Most commercially available ground coffees are processed from Robusta or Arabica coffee beans. In this work, we report on the potential of Structured Laser Illumination Planar Imaging (SLIPI) technique for the classification of five types of Robusta and Arabica commercial ground coffee samples (Familial, Belier, Brazil, Colombia and Malaga). This classification is made, here, from the measurement of the extinction coefficient µ<sub>e</sub> and of the optical depth OD by means of SLIPI. The proposed technique offers the advantage of eliminating the light inten...
Sciences et Technologies
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Structured Laser Illumination Planar Imaging Based Classification of Ground Coffee Using Multivariate Chemometric Analysis
<p class="1Body">Most commercially available ground coffees are processed from Robusta or Arabica coffee beans. In this work, we report on the potential of Structured Laser Illumination Planar Imaging (SLIPI) technique for the classification of five types of Robusta and Arabica commercial ground coffee samples (Familial, Belier, Brazil, Colombia and Malaga). This classification is made, here, from the measurement of the extinction coefficient µ<sub>e</sub> and of the optical depth OD by means of SLIPI. The proposed technique offers the advantage of eliminating the light inten...
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Study and Optimization of a Hybrid Power Generation System to Power Kalakala, a Remote Locality in Northern Côte d'Ivoire
This work presents the results of a study to optimize the production of electricity, by hybrid system Photovoltaic – Diesel – Batteries, to power the village of Kalakala in the north of Côte d'Ivoire. The study site is an isolated rural community, powered by a diesel generator. It is located in northern Côte d'Ivoire. HOMER software has been used for system simulation and optimization. The result of this study is then compared to those of PV - Batteries and diesel alone systems. From the results of the simulations, it appears that the optimal combination of the hybrid system includes a diesel...
Sciences Agronomiques et Environnementales
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Study and Optimization of a Hybrid Power Generation System to Power Kalakala, a Remote Locality in Northern Côte d'Ivoire
This work presents the results of a study to optimize the production of electricity, by hybrid system Photovoltaic – Diesel – Batteries, to power the village of Kalakala in the north of Côte d'Ivoire. The study site is an isolated rural community, powered by a diesel generator. It is located in northern Côte d'Ivoire. HOMER software has been used for system simulation and optimization. The result of this study is then compared to those of PV - Batteries and diesel alone systems. From the results of the simulations, it appears that the optimal combination of the hybrid system includes a diesel...
Sciences Agronomiques et Environnementales
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Study and Optimization of a Hybrid Power Generation System to Power Kalakala, a Remote Locality in Northern Côte d'Ivoire
This work presents the results of a study to optimize the production of electricity, by hybrid system Photovoltaic – Diesel – Batteries, to power the village of Kalakala in the north of Côte d'Ivoire. The study site is an isolated rural community, powered by a diesel generator. It is located in northern Côte d'Ivoire. HOMER software has been used for system simulation and optimization. The result of this study is then compared to those of PV - Batteries and diesel alone systems. From the results of the simulations, it appears that the optimal combination of the hybrid system includes a diesel...
Sciences Agronomiques et Environnementales
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Study and Optimization of a Hybrid Power Generation System to Power Kalakala, a Remote Locality in Northern Côte d'Ivoire
This work presents the results of a study to optimize the production of electricity, by hybrid system Photovoltaic – Diesel – Batteries, to power the village of Kalakala in the north of Côte d'Ivoire. The study site is an isolated rural community, powered by a diesel generator. It is located in northern Côte d'Ivoire. HOMER software has been used for system simulation and optimization. The result of this study is then compared to those of PV - Batteries and diesel alone systems. From the results of the simulations, it appears that the optimal combination of the hybrid system includes a diesel...
Sciences Agronomiques et Environnementales
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Study and Optimization of a Hybrid Power Generation System to Power Kalakala, a Remote Locality in Northern Côte d'Ivoire
This work presents the results of a study to optimize the production of electricity, by hybrid system Photovoltaic – Diesel – Batteries, to power the village of Kalakala in the north of Côte d'Ivoire. The study site is an isolated rural community, powered by a diesel generator. It is located in northern Côte d'Ivoire. HOMER software has been used for system simulation and optimization. The result of this study is then compared to those of PV - Batteries and diesel alone systems. From the results of the simulations, it appears that the optimal combination of the hybrid system includes a diesel...
Sciences Agronomiques et Environnementales
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Study and Optimization of a Hybrid Power Generation System to Power Kalakala, a Remote Locality in Northern Côte d'Ivoire
This work presents the results of a study to optimize the production of electricity, by hybrid system Photovoltaic – Diesel – Batteries, to power the village of Kalakala in the north of Côte d'Ivoire. The study site is an isolated rural community, powered by a diesel generator. It is located in northern Côte d'Ivoire. HOMER software has been used for system simulation and optimization. The result of this study is then compared to those of PV - Batteries and diesel alone systems. From the results of the simulations, it appears that the optimal combination of the hybrid system includes a diesel...
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Study of a Bioclimatic Building in Wet Tropical Zone: Application of the Study of the Thermal Behavior of a Building in Cote D&apos;ivoire
With population growth, the demand for housing continues to grow. Also, the energy crisis has shown the need for an energy efficiency policy in the building sector. Estimating the thermal behavior of a building is important in the energy efficiency approach. We present in this article the results concerning the climatic comfort in a building of the city of Abidjan. In this work, we study the thermal behavior of a building of architectural typology validated by the presidential construction program of 60,000 social housing units; our choice is also justified by the habit of Ivorians to live. Th...
Sciences Humaines et Sociales
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Physico-Chemical and Microbial Characterisation of Water from the Abengourou dam in Eastern Côte d’Ivoire
The water from the Abengourou dam is used for the production of drinking water. This study aims to characterise this resource in order to assess the quality of the water for monitoring and sustainability of the operation. Six sampling points were identified, four of which were at the main entrances, one inside the water body and another at the dam. Samples were taken at three different depths and during the two main seasons. In total, some forty physical, chemical and microbiological parameters were monitored for the thirty-six samples taken in one year. The results obtained show an inter-seas...
Sciences et Technologies
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Physico-Chemical and Microbial Characterisation of Water from the Abengourou dam in Eastern Côte d’Ivoire
The water from the Abengourou dam is used for the production of drinking water. This study aims to characterise this resource in order to assess the quality of the water for monitoring and sustainability of the operation. Six sampling points were identified, four of which were at the main entrances, one inside the water body and another at the dam. Samples were taken at three different depths and during the two main seasons. In total, some forty physical, chemical and microbiological parameters were monitored for the thirty-six samples taken in one year. The results obtained show an inter-seas...
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Physico-Chemical and Microbial Characterisation of Water from the Abengourou dam in Eastern Côte d’Ivoire
The water from the Abengourou dam is used for the production of drinking water. This study aims to characterise this resource in order to assess the quality of the water for monitoring and sustainability of the operation. Six sampling points were identified, four of which were at the main entrances, one inside the water body and another at the dam. Samples were taken at three different depths and during the two main seasons. In total, some forty physical, chemical and microbiological parameters were monitored for the thirty-six samples taken in one year. The results obtained show an inter-seas...
Sciences et Technologies
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Physico-Chemical and Microbial Characterisation of Water from the Abengourou dam in Eastern Côte d’Ivoire
The water from the Abengourou dam is used for the production of drinking water. This study aims to characterise this resource in order to assess the quality of the water for monitoring and sustainability of the operation. Six sampling points were identified, four of which were at the main entrances, one inside the water body and another at the dam. Samples were taken at three different depths and during the two main seasons. In total, some forty physical, chemical and microbiological parameters were monitored for the thirty-six samples taken in one year. The results obtained show an inter-seas...
Sciences et Technologies
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Physico-Chemical and Microbial Characterisation of Water from the Abengourou dam in Eastern Côte d’Ivoire
The water from the Abengourou dam is used for the production of drinking water. This study aims to characterise this resource in order to assess the quality of the water for monitoring and sustainability of the operation. Six sampling points were identified, four of which were at the main entrances, one inside the water body and another at the dam. Samples were taken at three different depths and during the two main seasons. In total, some forty physical, chemical and microbiological parameters were monitored for the thirty-six samples taken in one year. The results obtained show an inter-seas...
Sciences et Technologies
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Physico-Chemical and Microbial Characterisation of Water from the Abengourou dam in Eastern Côte d’Ivoire
The water from the Abengourou dam is used for the production of drinking water. This study aims to characterise this resource in order to assess the quality of the water for monitoring and sustainability of the operation. Six sampling points were identified, four of which were at the main entrances, one inside the water body and another at the dam. Samples were taken at three different depths and during the two main seasons. In total, some forty physical, chemical and microbiological parameters were monitored for the thirty-six samples taken in one year. The results obtained show an inter-seas...
Sciences et Technologies
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Study of a Kit of GSM Radio Operator Site for Event-Driven Movable Coverage: Application to the Deployment of a Site of the Orange Operator in Ivory Coast
The mobile communication is nowadays one of the basic needs of humanity. It is essential to the flourishing of human beings. Considering this reality, the need to use its mobile phone is become more important and diversified. The subscribers of the various mobile telephone operators are increasingly demanding. This situation poses the problems of the cover mobile network to the operators and leads them to opt for several solutions and investments. The mobile operators in order to satisfy their customers use a policy of pushing the limits of network coverage in time and space for festive moment...
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Study of a Kit of GSM Radio Operator Site for Event-Driven Movable Coverage: Application to the Deployment of a Site of the Orange Operator in Ivory Coast
The mobile communication is nowadays one of the basic needs of humanity. It is essential to the flourishing of human beings. Considering this reality, the need to use its mobile phone is become more important and diversified. The subscribers of the various mobile telephone operators are increasingly demanding. This situation poses the problems of the cover mobile network to the operators and leads them to opt for several solutions and investments. The mobile operators in order to satisfy their customers use a policy of pushing the limits of network coverage in time and space for festive moment...
Sciences et Technologies
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Study of a Kit of GSM Radio Operator Site for Event-Driven Movable Coverage: Application to the Deployment of a Site of the Orange Operator in Ivory Coast
The mobile communication is nowadays one of the basic needs of humanity. It is essential to the flourishing of human beings. Considering this reality, the need to use its mobile phone is become more important and diversified. The subscribers of the various mobile telephone operators are increasingly demanding. This situation poses the problems of the cover mobile network to the operators and leads them to opt for several solutions and investments. The mobile operators in order to satisfy their customers use a policy of pushing the limits of network coverage in time and space for festive moment...
Sciences et Technologies
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Study of a Kit of GSM Radio Operator Site for Event-Driven Movable Coverage: Application to the Deployment of a Site of the Orange Operator in Ivory Coast
The mobile communication is nowadays one of the basic needs of humanity. It is essential to the flourishing of human beings. Considering this reality, the need to use its mobile phone is become more important and diversified. The subscribers of the various mobile telephone operators are increasingly demanding. This situation poses the problems of the cover mobile network to the operators and leads them to opt for several solutions and investments. The mobile operators in order to satisfy their customers use a policy of pushing the limits of network coverage in time and space for festive moment...
Sciences et Technologies
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Study of a Kit of GSM Radio Operator Site for Event-Driven Movable Coverage: Application to the Deployment of a Site of the Orange Operator in Ivory Coast
The mobile communication is nowadays one of the basic needs of humanity. It is essential to the flourishing of human beings. Considering this reality, the need to use its mobile phone is become more important and diversified. The subscribers of the various mobile telephone operators are increasingly demanding. This situation poses the problems of the cover mobile network to the operators and leads them to opt for several solutions and investments. The mobile operators in order to satisfy their customers use a policy of pushing the limits of network coverage in time and space for festive moment...
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Study of the Evolution of Properties of Concrete Containing Used Tire Aggregates
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Study of the Evolution of Properties of Concrete Containing Used Tire Aggregates
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Study of the Evolution of Properties of Concrete Containing Used Tire Aggregates
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Study of the Evolution of Properties of Concrete Containing Used Tire Aggregates
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Influence of the osmotic agent on the osmotic dehydration of papaya (Carica papaya L.)
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Influence of the osmotic agent on the osmotic dehydration of papaya (Carica papaya L.)
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Influence of the osmotic agent on the osmotic dehydration of papaya (Carica papaya L.)
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Influence of the osmotic agent on the osmotic dehydration of papaya (Carica papaya L.)
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Study of the influence of the substitution of natural aggregates by hardened cement aggregates in concrete and the exposure of concrete to a medium enriched with carbon dioxide
The valorization of waste is an excellent way to protect the environment. This study focuses on waste consisting of cement that has hardened before use. The goal of this study is to determine the conditions under which these can be valorized in concrete. These wastes are used as aggregates, referred to as Hardened Cement Aggregates (HCA). First, the density, granulometry, and impact resistance of these aggregates were measured and compared to those of natural aggregates (NTA). The results showed that natural aggregates have a bulk density and specific gravity more than 25% higher than those of...
Sciences Agronomiques et Environnementales
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Study of the influence of the substitution of natural aggregates by hardened cement aggregates in concrete and the exposure of concrete to a medium enriched with carbon dioxide
The valorization of waste is an excellent way to protect the environment. This study focuses on waste consisting of cement that has hardened before use. The goal of this study is to determine the conditions under which these can be valorized in concrete. These wastes are used as aggregates, referred to as Hardened Cement Aggregates (HCA). First, the density, granulometry, and impact resistance of these aggregates were measured and compared to those of natural aggregates (NTA). The results showed that natural aggregates have a bulk density and specific gravity more than 25% higher than those of...
Sciences Agronomiques et Environnementales
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Study of the influence of the substitution of natural aggregates by hardened cement aggregates in concrete and the exposure of concrete to a medium enriched with carbon dioxide
The valorization of waste is an excellent way to protect the environment. This study focuses on waste consisting of cement that has hardened before use. The goal of this study is to determine the conditions under which these can be valorized in concrete. These wastes are used as aggregates, referred to as Hardened Cement Aggregates (HCA). First, the density, granulometry, and impact resistance of these aggregates were measured and compared to those of natural aggregates (NTA). The results showed that natural aggregates have a bulk density and specific gravity more than 25% higher than those of...
Sciences Agronomiques et Environnementales
Lire l'article
Study of the influence of the substitution of natural aggregates by hardened cement aggregates in concrete and the exposure of concrete to a medium enriched with carbon dioxide
The valorization of waste is an excellent way to protect the environment. This study focuses on waste consisting of cement that has hardened before use. The goal of this study is to determine the conditions under which these can be valorized in concrete. These wastes are used as aggregates, referred to as Hardened Cement Aggregates (HCA). First, the density, granulometry, and impact resistance of these aggregates were measured and compared to those of natural aggregates (NTA). The results showed that natural aggregates have a bulk density and specific gravity more than 25% higher than those of...
Sciences Agronomiques et Environnementales
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Study of the LEDs Spectrums Influence on the Spirulina Platensis Growth in Batch Culture
In this research work, we mainly studied the influence of the spectra (from 400 nm to 700 nm) of different LED colors on the biomass production of microalgae Spirulina platensis. Spirulina platensis has a short reproductive cycle with remarkable nutritional qualities. The results show that spirulina cells are sensitive to spectrum and the amount of light. Indeed the red and blue LEDs respectively give the highest and the lowest biomass. Moreover, we have tested with 660 nm LED, many lighting level on spirulina growth. This experiment permit us to study photoinhibition and to determine optimal...
Sciences et Technologies
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Study of the LEDs Spectrums Influence on the Spirulina Platensis Growth in Batch Culture
In this research work, we mainly studied the influence of the spectra (from 400 nm to 700 nm) of different LED colors on the biomass production of microalgae Spirulina platensis. Spirulina platensis has a short reproductive cycle with remarkable nutritional qualities. The results show that spirulina cells are sensitive to spectrum and the amount of light. Indeed the red and blue LEDs respectively give the highest and the lowest biomass. Moreover, we have tested with 660 nm LED, many lighting level on spirulina growth. This experiment permit us to study photoinhibition and to determine optimal...
Sciences et Technologies
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Study of the LEDs Spectrums Influence on the Spirulina Platensis Growth in Batch Culture
In this research work, we mainly studied the influence of the spectra (from 400 nm to 700 nm) of different LED colors on the biomass production of microalgae Spirulina platensis. Spirulina platensis has a short reproductive cycle with remarkable nutritional qualities. The results show that spirulina cells are sensitive to spectrum and the amount of light. Indeed the red and blue LEDs respectively give the highest and the lowest biomass. Moreover, we have tested with 660 nm LED, many lighting level on spirulina growth. This experiment permit us to study photoinhibition and to determine optimal...
Sciences et Technologies
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Study of the LEDs Spectrums Influence on the Spirulina Platensis Growth in Batch Culture
In this research work, we mainly studied the influence of the spectra (from 400 nm to 700 nm) of different LED colors on the biomass production of microalgae Spirulina platensis. Spirulina platensis has a short reproductive cycle with remarkable nutritional qualities. The results show that spirulina cells are sensitive to spectrum and the amount of light. Indeed the red and blue LEDs respectively give the highest and the lowest biomass. Moreover, we have tested with 660 nm LED, many lighting level on spirulina growth. This experiment permit us to study photoinhibition and to determine optimal...
Sciences et Technologies
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Study of the LEDs Spectrums Influence on the Spirulina Platensis Growth in Batch Culture
In this research work, we mainly studied the influence of the spectra (from 400 nm to 700 nm) of different LED colors on the biomass production of microalgae Spirulina platensis. Spirulina platensis has a short reproductive cycle with remarkable nutritional qualities. The results show that spirulina cells are sensitive to spectrum and the amount of light. Indeed the red and blue LEDs respectively give the highest and the lowest biomass. Moreover, we have tested with 660 nm LED, many lighting level on spirulina growth. This experiment permit us to study photoinhibition and to determine optimal...
Sciences et Technologies
Lire l'article
Study of the LEDs Spectrums Influence on the Spirulina Platensis Growth in Batch Culture
In this research work, we mainly studied the influence of the spectra (from 400 nm to 700 nm) of different LED colors on the biomass production of microalgae Spirulina platensis. Spirulina platensis has a short reproductive cycle with remarkable nutritional qualities. The results show that spirulina cells are sensitive to spectrum and the amount of light. Indeed the red and blue LEDs respectively give the highest and the lowest biomass. Moreover, we have tested with 660 nm LED, many lighting level on spirulina growth. This experiment permit us to study photoinhibition and to determine optimal...
Sciences et Technologies
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Study of the Optimal Conditions for Anaerobic Digestion of Cow Dung in Households in Cote d&#8217;Ivoire
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Study of the Optimal Conditions for Anaerobic Digestion of Cow Dung in Households in Cote d&#8217;Ivoire
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Study of the Optimal Conditions for Anaerobic Digestion of Cow Dung in Households in Cote d&#8217;Ivoire
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Study of the Optimal Conditions for Anaerobic Digestion of Cow Dung in Households in Cote d&#8217;Ivoire
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Studying power transformers cooling effectiveness from computational fluid dynamics approach
In this contribution, data from experimental investigations are used to develop a numerical model allowing studying the impact of mineral oils degradation on the cooling of layer-type windings power transformers. From the obtained results, it was confirmed that oil decay products, especially sludge formation are also contributing factors to temperature rise in the transformers.
Sciences Humaines et Sociales
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Studying power transformers cooling effectiveness from computational fluid dynamics approach
In this contribution, data from experimental investigations are used to develop a numerical model allowing studying the impact of mineral oils degradation on the cooling of layer-type windings power transformers. From the obtained results, it was confirmed that oil decay products, especially sludge formation are also contributing factors to temperature rise in the transformers.
Sciences Humaines et Sociales
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Studying power transformers cooling effectiveness from computational fluid dynamics approach
In this contribution, data from experimental investigations are used to develop a numerical model allowing studying the impact of mineral oils degradation on the cooling of layer-type windings power transformers. From the obtained results, it was confirmed that oil decay products, especially sludge formation are also contributing factors to temperature rise in the transformers.
Sciences Humaines et Sociales
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Studying power transformers cooling effectiveness from computational fluid dynamics approach
In this contribution, data from experimental investigations are used to develop a numerical model allowing studying the impact of mineral oils degradation on the cooling of layer-type windings power transformers. From the obtained results, it was confirmed that oil decay products, especially sludge formation are also contributing factors to temperature rise in the transformers.
Sciences Humaines et Sociales
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Sub-Tree-Based Approach for Reconfiguration of Light-Tree Pair without Flow Interruption in Sparse Wavelength Converter Network
Network reconfiguration is an important mechanism for network operators to optimize network performance and optical flow transfer. It concerns unicast and multicast connections. Multicast connections are required to meet the bandwidth requirements of multicast applications, such as Internet Protocol-based TeleVision (IPTV), distance learning, and telemedicine. In optical networks, a multicast connection is made possible by the creation of an optical tree-shaped path called a light-tree. The problem of light-tree pair reconfiguration is addressed in this study. Given an initial light-tree used...
Sciences et Technologies
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Sub-Tree-Based Approach for Reconfiguration of Light-Tree Pair without Flow Interruption in Sparse Wavelength Converter Network
Network reconfiguration is an important mechanism for network operators to optimize network performance and optical flow transfer. It concerns unicast and multicast connections. Multicast connections are required to meet the bandwidth requirements of multicast applications, such as Internet Protocol-based TeleVision (IPTV), distance learning, and telemedicine. In optical networks, a multicast connection is made possible by the creation of an optical tree-shaped path called a light-tree. The problem of light-tree pair reconfiguration is addressed in this study. Given an initial light-tree used...
Sciences et Technologies
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Sub-Tree-Based Approach for Reconfiguration of Light-Tree Pair without Flow Interruption in Sparse Wavelength Converter Network
Network reconfiguration is an important mechanism for network operators to optimize network performance and optical flow transfer. It concerns unicast and multicast connections. Multicast connections are required to meet the bandwidth requirements of multicast applications, such as Internet Protocol-based TeleVision (IPTV), distance learning, and telemedicine. In optical networks, a multicast connection is made possible by the creation of an optical tree-shaped path called a light-tree. The problem of light-tree pair reconfiguration is addressed in this study. Given an initial light-tree used...
Sciences et Technologies
Lire l'article
Sub-Tree-Based Approach for Reconfiguration of Light-Tree Pair without Flow Interruption in Sparse Wavelength Converter Network
Network reconfiguration is an important mechanism for network operators to optimize network performance and optical flow transfer. It concerns unicast and multicast connections. Multicast connections are required to meet the bandwidth requirements of multicast applications, such as Internet Protocol-based TeleVision (IPTV), distance learning, and telemedicine. In optical networks, a multicast connection is made possible by the creation of an optical tree-shaped path called a light-tree. The problem of light-tree pair reconfiguration is addressed in this study. Given an initial light-tree used...
Sciences et Technologies
Lire l'article
Sub-Tree-Based Approach for Reconfiguration of Light-Tree Pair without Flow Interruption in Sparse Wavelength Converter Network
Network reconfiguration is an important mechanism for network operators to optimize network performance and optical flow transfer. It concerns unicast and multicast connections. Multicast connections are required to meet the bandwidth requirements of multicast applications, such as Internet Protocol-based TeleVision (IPTV), distance learning, and telemedicine. In optical networks, a multicast connection is made possible by the creation of an optical tree-shaped path called a light-tree. The problem of light-tree pair reconfiguration is addressed in this study. Given an initial light-tree used...
Sciences et Technologies
Lire l'article
Sub-Tree-Based Approach for Reconfiguration of Light-Tree Pair without Flow Interruption in Sparse Wavelength Converter Network
Network reconfiguration is an important mechanism for network operators to optimize network performance and optical flow transfer. It concerns unicast and multicast connections. Multicast connections are required to meet the bandwidth requirements of multicast applications, such as Internet Protocol-based TeleVision (IPTV), distance learning, and telemedicine. In optical networks, a multicast connection is made possible by the creation of an optical tree-shaped path called a light-tree. The problem of light-tree pair reconfiguration is addressed in this study. Given an initial light-tree used...
Sciences et Technologies
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Substrate and genotype effects on kola (Cola nitida [Vent.] Schott and Endlicher.) tree cuttings growth in nursery
The kola tree (Cola nitida) belongs to family Malvaceae grown mainly for its seed. It is highly prized for its socio-cultural and industrial uses. However, there is a significant high variability due to a high proportion of allogamy in the reproduction mode. The influence of substrate and genotype on kola tree cuttings has been studied in order to propagate it vegetatively. Six growing substrates: 100% Black soil, 50% Black soil + 50% Wood sawdust, 100% Wood sawdust, 50% Soil + 50% Black-Coco, 100% Black-Coco, 50% Wood sawdust + 50% Black-Coco were tested on genotypes 305 and D9L7A1 using a sp...
Sciences de la Santé
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Substrate and genotype effects on kola (Cola nitida [Vent.] Schott and Endlicher.) tree cuttings growth in nursery
The kola tree (Cola nitida) belongs to family Malvaceae grown mainly for its seed. It is highly prized for its socio-cultural and industrial uses. However, there is a significant high variability due to a high proportion of allogamy in the reproduction mode. The influence of substrate and genotype on kola tree cuttings has been studied in order to propagate it vegetatively. Six growing substrates: 100% Black soil, 50% Black soil + 50% Wood sawdust, 100% Wood sawdust, 50% Soil + 50% Black-Coco, 100% Black-Coco, 50% Wood sawdust + 50% Black-Coco were tested on genotypes 305 and D9L7A1 using a sp...
Sciences de la Santé
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Substrate and genotype effects on kola (Cola nitida [Vent.] Schott and Endlicher.) tree cuttings growth in nursery
The kola tree (Cola nitida) belongs to family Malvaceae grown mainly for its seed. It is highly prized for its socio-cultural and industrial uses. However, there is a significant high variability due to a high proportion of allogamy in the reproduction mode. The influence of substrate and genotype on kola tree cuttings has been studied in order to propagate it vegetatively. Six growing substrates: 100% Black soil, 50% Black soil + 50% Wood sawdust, 100% Wood sawdust, 50% Soil + 50% Black-Coco, 100% Black-Coco, 50% Wood sawdust + 50% Black-Coco were tested on genotypes 305 and D9L7A1 using a sp...
Sciences de la Santé
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Substrate and genotype effects on kola (Cola nitida [Vent.] Schott and Endlicher.) tree cuttings growth in nursery
The kola tree (Cola nitida) belongs to family Malvaceae grown mainly for its seed. It is highly prized for its socio-cultural and industrial uses. However, there is a significant high variability due to a high proportion of allogamy in the reproduction mode. The influence of substrate and genotype on kola tree cuttings has been studied in order to propagate it vegetatively. Six growing substrates: 100% Black soil, 50% Black soil + 50% Wood sawdust, 100% Wood sawdust, 50% Soil + 50% Black-Coco, 100% Black-Coco, 50% Wood sawdust + 50% Black-Coco were tested on genotypes 305 and D9L7A1 using a sp...
Sciences de la Santé
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Substrate and genotype effects on kola (Cola nitida [Vent.] Schott and Endlicher.) tree cuttings growth in nursery
The kola tree (Cola nitida) belongs to family Malvaceae grown mainly for its seed. It is highly prized for its socio-cultural and industrial uses. However, there is a significant high variability due to a high proportion of allogamy in the reproduction mode. The influence of substrate and genotype on kola tree cuttings has been studied in order to propagate it vegetatively. Six growing substrates: 100% Black soil, 50% Black soil + 50% Wood sawdust, 100% Wood sawdust, 50% Soil + 50% Black-Coco, 100% Black-Coco, 50% Wood sawdust + 50% Black-Coco were tested on genotypes 305 and D9L7A1 using a sp...
Sciences de la Santé
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Substrate and genotype effects on kola (Cola nitida [Vent.] Schott and Endlicher.) tree cuttings growth in nursery
The kola tree (Cola nitida) belongs to family Malvaceae grown mainly for its seed. It is highly prized for its socio-cultural and industrial uses. However, there is a significant high variability due to a high proportion of allogamy in the reproduction mode. The influence of substrate and genotype on kola tree cuttings has been studied in order to propagate it vegetatively. Six growing substrates: 100% Black soil, 50% Black soil + 50% Wood sawdust, 100% Wood sawdust, 50% Soil + 50% Black-Coco, 100% Black-Coco, 50% Wood sawdust + 50% Black-Coco were tested on genotypes 305 and D9L7A1 using a sp...
Sciences de la Santé
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Substrate and genotype effects on kola (Cola nitida [Vent.] Schott and Endlicher.) tree cuttings growth in nursery
The kola tree (Cola nitida) belongs to family Malvaceae grown mainly for its seed. It is highly prized for its socio-cultural and industrial uses. However, there is a significant high variability due to a high proportion of allogamy in the reproduction mode. The influence of substrate and genotype on kola tree cuttings has been studied in order to propagate it vegetatively. Six growing substrates: 100% Black soil, 50% Black soil + 50% Wood sawdust, 100% Wood sawdust, 50% Soil + 50% Black-Coco, 100% Black-Coco, 50% Wood sawdust + 50% Black-Coco were tested on genotypes 305 and D9L7A1 using a sp...
Sciences de la Santé
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Surface Water Sediments Characterization Using Metallic Trace Elements (MTEs): Case of the Artisanal Gold Mining Sites of Kokumbo (C&#244;te d’Ivoire)
The main purpose of this study is to characterize the surface sediments of the Kokumbo artisanal gold mining sites in Metallic trace Elements (MTEs). A total of 12 samples of surface water sediments were collected for this study. The samples were analyzed using the Atomic Absorption Spectrophotometer (AAS). The mean concentrations of Mn (611.37 mg/kg) and Zn (955.86 mg/kg) in the sediments were very high compared to the standard in unpolluted sediments. The enrichment factor (EF) shows that there is an enrichment of Mn at some sites (EF (Mn) > 2). The presence of As, Mn, and Zn is also highlig...
Sciences Agronomiques et Environnementales
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Surface Water Sediments Characterization Using Metallic Trace Elements (MTEs): Case of the Artisanal Gold Mining Sites of Kokumbo (C&#244;te d’Ivoire)
The main purpose of this study is to characterize the surface sediments of the Kokumbo artisanal gold mining sites in Metallic trace Elements (MTEs). A total of 12 samples of surface water sediments were collected for this study. The samples were analyzed using the Atomic Absorption Spectrophotometer (AAS). The mean concentrations of Mn (611.37 mg/kg) and Zn (955.86 mg/kg) in the sediments were very high compared to the standard in unpolluted sediments. The enrichment factor (EF) shows that there is an enrichment of Mn at some sites (EF (Mn) > 2). The presence of As, Mn, and Zn is also highlig...
Sciences Agronomiques et Environnementales
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Surface Water Sediments Characterization Using Metallic Trace Elements (MTEs): Case of the Artisanal Gold Mining Sites of Kokumbo (C&#244;te d’Ivoire)
The main purpose of this study is to characterize the surface sediments of the Kokumbo artisanal gold mining sites in Metallic trace Elements (MTEs). A total of 12 samples of surface water sediments were collected for this study. The samples were analyzed using the Atomic Absorption Spectrophotometer (AAS). The mean concentrations of Mn (611.37 mg/kg) and Zn (955.86 mg/kg) in the sediments were very high compared to the standard in unpolluted sediments. The enrichment factor (EF) shows that there is an enrichment of Mn at some sites (EF (Mn) > 2). The presence of As, Mn, and Zn is also highlig...
Sciences Agronomiques et Environnementales
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Surface Water Sediments Characterization Using Metallic Trace Elements (MTEs): Case of the Artisanal Gold Mining Sites of Kokumbo (C&#244;te d’Ivoire)
The main purpose of this study is to characterize the surface sediments of the Kokumbo artisanal gold mining sites in Metallic trace Elements (MTEs). A total of 12 samples of surface water sediments were collected for this study. The samples were analyzed using the Atomic Absorption Spectrophotometer (AAS). The mean concentrations of Mn (611.37 mg/kg) and Zn (955.86 mg/kg) in the sediments were very high compared to the standard in unpolluted sediments. The enrichment factor (EF) shows that there is an enrichment of Mn at some sites (EF (Mn) > 2). The presence of As, Mn, and Zn is also highlig...
Sciences Agronomiques et Environnementales
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Symbolic Construction of Dynamic Mixed Integer Programs for Power System Management
In this presentation, we discuss a symbolic tool, implemented in Mathematica that converts a hybrid automaton model of a power system into either a mixed logical dynamic system (MLD) or a dynamic mixed integer program (DMIP). The tool, converts any logical specification into mixed-integer formulas (IP formulas). For example the transition specification for the automaton is converted into a set of inequalities involving Boolean variables. The IP formulas can be used in decision computations using mixed integer programs or mixed integer dynamic programming. An example will be given involving con...
Sciences et Technologies
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Symbolic Construction of Dynamic Mixed Integer Programs for Power System Management
In this presentation, we discuss a symbolic tool, implemented in Mathematica that converts a hybrid automaton model of a power system into either a mixed logical dynamic system (MLD) or a dynamic mixed integer program (DMIP). The tool, converts any logical specification into mixed-integer formulas (IP formulas). For example the transition specification for the automaton is converted into a set of inequalities involving Boolean variables. The IP formulas can be used in decision computations using mixed integer programs or mixed integer dynamic programming. An example will be given involving con...
Sciences et Technologies
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Symbolic Construction of Dynamic Mixed Integer Programs for Power System Management
In this presentation, we discuss a symbolic tool, implemented in Mathematica that converts a hybrid automaton model of a power system into either a mixed logical dynamic system (MLD) or a dynamic mixed integer program (DMIP). The tool, converts any logical specification into mixed-integer formulas (IP formulas). For example the transition specification for the automaton is converted into a set of inequalities involving Boolean variables. The IP formulas can be used in decision computations using mixed integer programs or mixed integer dynamic programming. An example will be given involving con...
Sciences et Technologies
Lire l'article
Symbolic Construction of Dynamic Mixed Integer Programs for Power System Management
In this presentation, we discuss a symbolic tool, implemented in Mathematica that converts a hybrid automaton model of a power system into either a mixed logical dynamic system (MLD) or a dynamic mixed integer program (DMIP). The tool, converts any logical specification into mixed-integer formulas (IP formulas). For example the transition specification for the automaton is converted into a set of inequalities involving Boolean variables. The IP formulas can be used in decision computations using mixed integer programs or mixed integer dynamic programming. An example will be given involving con...
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Synthesis and characterisation of Saccharomyces cerevisiae immobilised cells from cashew apple bagasse
Cashew apple bagasse is biomass rich in little-exploited lignocellulosic material. This study used this biomass as a support for cell immobilisation of Saccharomyces cerevisiae. For this purpose, the immobilisation technique by attachment to a surface was applied. The bagasse used in this study contained 32.6% lignin. After delignification, the lignin content of the bagasse was 3.33%. The cell density was 1.21 × 108 cells g-1 for the immobilised cells prepared for 24 h. For the immobilised cells prepared for 48 h, the cell density was 1.71 × 108 cells g-1. Microscopic observations showed that...
Sciences Humaines et Sociales
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Synthesis and characterisation of Saccharomyces cerevisiae immobilised cells from cashew apple bagasse
Cashew apple bagasse is biomass rich in little-exploited lignocellulosic material. This study used this biomass as a support for cell immobilisation of Saccharomyces cerevisiae. For this purpose, the immobilisation technique by attachment to a surface was applied. The bagasse used in this study contained 32.6% lignin. After delignification, the lignin content of the bagasse was 3.33%. The cell density was 1.21 × 108 cells g-1 for the immobilised cells prepared for 24 h. For the immobilised cells prepared for 48 h, the cell density was 1.71 × 108 cells g-1. Microscopic observations showed that...
Sciences Humaines et Sociales
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Synthesis and characterisation of Saccharomyces cerevisiae immobilised cells from cashew apple bagasse
Cashew apple bagasse is biomass rich in little-exploited lignocellulosic material. This study used this biomass as a support for cell immobilisation of Saccharomyces cerevisiae. For this purpose, the immobilisation technique by attachment to a surface was applied. The bagasse used in this study contained 32.6% lignin. After delignification, the lignin content of the bagasse was 3.33%. The cell density was 1.21 × 108 cells g-1 for the immobilised cells prepared for 24 h. For the immobilised cells prepared for 48 h, the cell density was 1.71 × 108 cells g-1. Microscopic observations showed that...
Sciences Humaines et Sociales
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Synthesis and characterisation of Saccharomyces cerevisiae immobilised cells from cashew apple bagasse
Cashew apple bagasse is biomass rich in little-exploited lignocellulosic material. This study used this biomass as a support for cell immobilisation of Saccharomyces cerevisiae. For this purpose, the immobilisation technique by attachment to a surface was applied. The bagasse used in this study contained 32.6% lignin. After delignification, the lignin content of the bagasse was 3.33%. The cell density was 1.21 × 108 cells g-1 for the immobilised cells prepared for 24 h. For the immobilised cells prepared for 48 h, the cell density was 1.71 × 108 cells g-1. Microscopic observations showed that...
Sciences Humaines et Sociales
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Synthesis and characterisation of Saccharomyces cerevisiae immobilised cells from cashew apple bagasse
Cashew apple bagasse is biomass rich in little-exploited lignocellulosic material. This study used this biomass as a support for cell immobilisation of Saccharomyces cerevisiae. For this purpose, the immobilisation technique by attachment to a surface was applied. The bagasse used in this study contained 32.6% lignin. After delignification, the lignin content of the bagasse was 3.33%. The cell density was 1.21 × 108 cells g-1 for the immobilised cells prepared for 24 h. For the immobilised cells prepared for 48 h, the cell density was 1.71 × 108 cells g-1. Microscopic observations showed that...
Sciences Humaines et Sociales
Lire l'article
Synthesis and characterisation of Saccharomyces cerevisiae immobilised cells from cashew apple bagasse
Cashew apple bagasse is biomass rich in little-exploited lignocellulosic material. This study used this biomass as a support for cell immobilisation of Saccharomyces cerevisiae. For this purpose, the immobilisation technique by attachment to a surface was applied. The bagasse used in this study contained 32.6% lignin. After delignification, the lignin content of the bagasse was 3.33%. The cell density was 1.21 × 108 cells g-1 for the immobilised cells prepared for 24 h. For the immobilised cells prepared for 48 h, the cell density was 1.71 × 108 cells g-1. Microscopic observations showed that...
Sciences Humaines et Sociales
Lire l'article
Synthesis and characterisation of Saccharomyces cerevisiae immobilised cells from cashew apple bagasse
Cashew apple bagasse is biomass rich in little-exploited lignocellulosic material. This study used this biomass as a support for cell immobilisation of Saccharomyces cerevisiae. For this purpose, the immobilisation technique by attachment to a surface was applied. The bagasse used in this study contained 32.6% lignin. After delignification, the lignin content of the bagasse was 3.33%. The cell density was 1.21 × 108 cells g-1 for the immobilised cells prepared for 24 h. For the immobilised cells prepared for 48 h, the cell density was 1.71 × 108 cells g-1. Microscopic observations showed that...
Sciences Humaines et Sociales
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THE 1-AMINO-2-NITROETHENES
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTTHE 1-AMINO-2-NITROETHENESCHARLES D. HURD and L. T. SHERWOOD, JrCite this: J. Org. Chem. 1948, 13, 4, 471–476Publication Date (Print):July 1, 1948Publication History Published online1 May 2002Published inissue 1 July 1948https://pubs.acs.org/doi/10.1021/jo01162a002https://doi.org/10.1021/jo01162a002research-articleACS PublicationsRequest reuse permissionsArticle Views202Altmetric-Citations23LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institution...
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THE 1-AMINO-2-NITROETHENES
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTTHE 1-AMINO-2-NITROETHENESCHARLES D. HURD and L. T. SHERWOOD, JrCite this: J. Org. Chem. 1948, 13, 4, 471–476Publication Date (Print):July 1, 1948Publication History Published online1 May 2002Published inissue 1 July 1948https://pubs.acs.org/doi/10.1021/jo01162a002https://doi.org/10.1021/jo01162a002research-articleACS PublicationsRequest reuse permissionsArticle Views202Altmetric-Citations23LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institution...
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<b>SYNTHESIS OF 2,3-UNSATURATED FURANIC HEX- AND PENT-ENOPYRANOSIDE EMPLOYING THE FERRIER REARRANGEMENT</b>
Glycosidation of various glycals with furanic alcohols in presence of catalytic amount of ceric(IV) ammonium nitrate under neutral condition or using Lewis acid-catalysed proceeds smoothly to afford the corresponding 2,3-unsaturated glycosides in good yields. In the hexose series predominantly α-D-anomers resulted while β-D-anomers are predominant in the pentose serie. KEY WORDS: Ferrier rearrangement, Furanic alcohols, Glycosides, Ceric(IV) ammonium nitrate, Lewis acid catalyst Bull. Chem. Soc. Ethiop. 2005, 19(2), 233-241.
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<b>SYNTHESIS OF 2,3-UNSATURATED FURANIC HEX- AND PENT-ENOPYRANOSIDE EMPLOYING THE FERRIER REARRANGEMENT</b>
Glycosidation of various glycals with furanic alcohols in presence of catalytic amount of ceric(IV) ammonium nitrate under neutral condition or using Lewis acid-catalysed proceeds smoothly to afford the corresponding 2,3-unsaturated glycosides in good yields. In the hexose series predominantly α-D-anomers resulted while β-D-anomers are predominant in the pentose serie. KEY WORDS: Ferrier rearrangement, Furanic alcohols, Glycosides, Ceric(IV) ammonium nitrate, Lewis acid catalyst Bull. Chem. Soc. Ethiop. 2005, 19(2), 233-241.
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<b>SYNTHESIS OF 2,3-UNSATURATED FURANIC HEX- AND PENT-ENOPYRANOSIDE EMPLOYING THE FERRIER REARRANGEMENT</b>
Glycosidation of various glycals with furanic alcohols in presence of catalytic amount of ceric(IV) ammonium nitrate under neutral condition or using Lewis acid-catalysed proceeds smoothly to afford the corresponding 2,3-unsaturated glycosides in good yields. In the hexose series predominantly α-D-anomers resulted while β-D-anomers are predominant in the pentose serie. KEY WORDS: Ferrier rearrangement, Furanic alcohols, Glycosides, Ceric(IV) ammonium nitrate, Lewis acid catalyst Bull. Chem. Soc. Ethiop. 2005, 19(2), 233-241.
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Lire l'article
<b>SYNTHESIS OF 2,3-UNSATURATED FURANIC HEX- AND PENT-ENOPYRANOSIDE EMPLOYING THE FERRIER REARRANGEMENT</b>
Glycosidation of various glycals with furanic alcohols in presence of catalytic amount of ceric(IV) ammonium nitrate under neutral condition or using Lewis acid-catalysed proceeds smoothly to afford the corresponding 2,3-unsaturated glycosides in good yields. In the hexose series predominantly α-D-anomers resulted while β-D-anomers are predominant in the pentose serie. KEY WORDS: Ferrier rearrangement, Furanic alcohols, Glycosides, Ceric(IV) ammonium nitrate, Lewis acid catalyst Bull. Chem. Soc. Ethiop. 2005, 19(2), 233-241.
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Lire l'article
<b>SYNTHESIS OF 2,3-UNSATURATED FURANIC HEX- AND PENT-ENOPYRANOSIDE EMPLOYING THE FERRIER REARRANGEMENT</b>
Glycosidation of various glycals with furanic alcohols in presence of catalytic amount of ceric(IV) ammonium nitrate under neutral condition or using Lewis acid-catalysed proceeds smoothly to afford the corresponding 2,3-unsaturated glycosides in good yields. In the hexose series predominantly α-D-anomers resulted while β-D-anomers are predominant in the pentose serie. KEY WORDS: Ferrier rearrangement, Furanic alcohols, Glycosides, Ceric(IV) ammonium nitrate, Lewis acid catalyst Bull. Chem. Soc. Ethiop. 2005, 19(2), 233-241.
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A general method for the synthesis of hex-3-uloses
Fully acetylated 2,4- or 3,4-O-methylene and -benzylidene derivatives of hexitols are oxidized by chromium trioxide in acetic acid to acetylated monoformates and monobenzoates, respectively, of hex-3-uloses.
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A general method for the synthesis of hex-3-uloses
Fully acetylated 2,4- or 3,4-O-methylene and -benzylidene derivatives of hexitols are oxidized by chromium trioxide in acetic acid to acetylated monoformates and monobenzoates, respectively, of hex-3-uloses.
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Synthesis, Characterization, Crystal Structure and Quantum Chemical Calculations of 2-oxo-2H-chromen-3-yl Acetate
This paper is focused on a combined experimental and theoretical study of 3-substituted coumarin derivative, the 2-oxo-2H-chromen-3-yl acetate (I). The compound was synthesized by reacting chroman-2,3-dione and acetic anhydride in dried diethyl ether in the presence of dried pyridine and crystallized in the orthorhombic crystal system with Pbca space group. The lattice parameters of the structure are a=14.6770 (1), b=7.1079 (1), c=17.6767 (2) Å, α=β=γ=90° with 8 molecules per unit cell (Z=8). The compound has been characterized structurally by Spectroscopy utilizing 1H NMR, 13C NMR and IR tech...
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Synthesis, Characterization, Crystal Structure and Quantum Chemical Calculations of 2-oxo-2H-chromen-3-yl Acetate
This paper is focused on a combined experimental and theoretical study of 3-substituted coumarin derivative, the 2-oxo-2H-chromen-3-yl acetate (I). The compound was synthesized by reacting chroman-2,3-dione and acetic anhydride in dried diethyl ether in the presence of dried pyridine and crystallized in the orthorhombic crystal system with Pbca space group. The lattice parameters of the structure are a=14.6770 (1), b=7.1079 (1), c=17.6767 (2) Å, α=β=γ=90° with 8 molecules per unit cell (Z=8). The compound has been characterized structurally by Spectroscopy utilizing 1H NMR, 13C NMR and IR tech...
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