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174 tulosta hakusanalla Issame Hamaoui

La bioénergie en Palestine, entre réalité et potentiel

La bioénergie en Palestine, entre réalité et potentiel

Amani Jebril; Issam A Al-Khatib

Editions Notre Savoir
2023
pokkari
En Palestine, il existe d' normes possibilit s naturelles dans le domaine de la bio nergie, ce qui r duit consid rablement la d pendance l' gard des importations. Dans le domaine de la bio nergie, il y a d' normes quantit s de d chets solides produits par les municipalit s, qui d pensent de grosses sommes d'argent pour les enterrer dans des d charges, qui sont insuffisantes et inad quates pour r pondre aux besoins, il y a une grande quantit d'huile usag e utilis e et qui pollue l'environnement. Il existe galement de grandes quantit s de tourbe d'olive qui polluent l'environnement. L'investissement dans ces domaines permet de produire de grandes quantit s d' nergie et de prot ger l'environnement contre de graves dommages. En outre, il existe d' normes quantit s de fumier animal provenant des ch vres, des poulets et des vaches, qui peuvent produire de l' nergie. Dans tous les cas, les processus bio nerg tiques conduisent la production d'engrais naturels qui sont souhait s par les agriculteurs en raison de leur absence d'odeur. La quantit de biogaz qui peut tre extraite des d chets organiques d pend des d chets eux-m mes et de la conception du syst me de digestion. Elle varie de 20 m3 par tonne 800 m3 de biogaz par tonne. Chaque m tre cube (m3) de biogaz contient l' quivalent de 6 kWh d' nergie calorifique.
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La bioenergia in Palestina tra realtà e potenziale

La bioenergia in Palestina tra realtà e potenziale

Amani Jebril; Issam A Al-Khatib

Edizioni Sapienza
2023
pokkari
In Palestina esistono enormi possibilit naturali nel campo della bioenergia, che riducono notevolmente la dipendenza dalle importazioni. Nel campo della bioenergia, ci sono enormi quantit di rifiuti solidi prodotti dalle municipalit , che spendono ingenti somme di denaro per seppellirli nelle discariche, che sono carenti e inadeguate a soddisfare il fabbisogno; c' una grande quantit di oli usati che inquina l'ambiente. Ci sono anche grandi quantit di torba di olive che inquinano l'ambiente. Gli investimenti in questi campi producono grandi quantit di energia e proteggono l'ambiente da gravi danni. Inoltre, esistono enormi quantit di letame animale di capre, polli e mucche, che possono generare energia. In ogni caso, i processi bioenergetici portano alla produzione di fertilizzanti naturali che sono desiderabili per gli agricoltori per la loro assenza di odori. La quantit di biogas che pu essere estratta dai rifiuti organici dipende dai rifiuti stessi e dalla progettazione del sistema di digestione; varia da 20 m3 per tonnellata a 800 m3 di biogas per tonnellata. Ogni metro cubo (m3) di biogas contiene l'equivalente di 6kWh di energia calorifica.
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A bioenergia na Palestina entre a realidade e o potencial

A bioenergia na Palestina entre a realidade e o potencial

Amani Jebril; Issam A Al-Khatib

Edicoes Nosso Conhecimento
2023
pokkari
Na Palestina, existem enormes possibilidades naturais no dom nio da bioenergia, o que reduz grandemente a depend ncia das importa es. No dom nio da bioenergia, h enormes quantidades de res duos s lidos produzidos pelos munic pios, que gastam grandes somas de dinheiro para os enterrar em lixeiras, que s o deficientes e inadequadas para satisfazer as necessidades, e h uma grande quantidade de leos usados que poluem o ambiente. Existem tamb m grandes quantidades de turfa de oliveira que poluem o ambiente. Os investimentos nestes dom nios produzem grandes quantidades de energia e protegem o ambiente de danos graves. Al m disso, existem enormes quantidades de estrume animal de cabras, galinhas e vacas, que podem gerar energia. Em qualquer caso, os processos de bioenergia levam produ o de fertilizantes naturais que s o desej veis para os agricultores devido sua aus ncia de odores. A quantidade de biog s que pode ser extra da dos res duos org nicos depende dos pr prios res duos e da concep o do sistema de digest o, variando entre 20 m3 por tonelada e 800 m3 de biog s por tonelada. Cada metro c bico (m3) de biog s cont m o equivalente a 6kWh de energia calor fica.
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Advanced Low-Power Digital Circuit Techniques

Advanced Low-Power Digital Circuit Techniques

Muhammad S. Elrabaa; Issam S. Abu-Khater; Mohamed I. Elmasry

Springer
1997
sidottu
Advanced Low-Power Digital Circuit Techniques presents several novel high performance digital circuit designs that emphasize low-power and low-voltage operation. These circuits represent a wide range of circuits that are used in state-of-the-art VLSI systems and hence serve as good examples for low-power design. Each chapter contains a brief introduction that serves as a quick background and gives the motivation behind the design. Each chapter also ends with a summary that briefly explains the contributions contained therein. This makes the book very readable. The reader can skim through the chapters very quickly to get a feel for the design problems presented in the book and the solutions proposed by the authors. Examples of circuits used in systems where low-power is important from reliability and portability points of view (such as general-purpose and DSP processors) are presented in Chapters 2, 3 and 4. Chapters 5 and 7 give examples of circuits used in systems where reliability and more system integration are the main driving forces behind lowering the power consumption. Chapter 6 gives an example of a general purpose high-performance low-power circuit design. Advanced Low-Power Digital Circuit Techniques is a real designer's book. It investigates alternative circuit styles, as well as architectural alternatives, and gives quantitative results for comparison in realistic technologies. Several of the circuits presented have been fabricated so that simulations can be checked. The circuits covered are the most important building blocks for many designs, so the text will be of direct use to designers. MOS designs are covered, as well as BiCMOS, and there are several novel circuits.
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Advanced Low-Power Digital Circuit Techniques

Advanced Low-Power Digital Circuit Techniques

Muhammad S. Elrabaa; Issam S. Abu-Khater; Mohamed I. Elmasry

Springer-Verlag New York Inc.
2012
nidottu
Advanced Low-Power Digital Circuit Techniques presents several novel high performance digital circuit designs that emphasize low-power and low-voltage operation. These circuits represent a wide range of circuits that are used in state-of-the-art VLSI systems and hence serve as good examples for low-power design. Each chapter contains a brief introduction that serves as a quick background and gives the motivation behind the design. Each chapter also ends with a summary that briefly explains the contributions contained therein. This makes the book very readable. The reader can skim through the chapters very quickly to get a feel for the design problems presented in the book and the solutions proposed by the authors. Examples of circuits used in systems where low-power is important from reliability and portability points of view (such as general-purpose and DSP processors) are presented in Chapters 2, 3 and 4. Chapters 5 and 7 give examples of circuits used in systems where reliability and more system integration are the main driving forces behind lowering the power consumption. Chapter 6 gives an example of a general purpose high-performance low-power circuit design. Advanced Low-Power Digital Circuit Techniques is a real designer's book. It investigates alternative circuit styles, as well as architectural alternatives, and gives quantitative results for comparison in realistic technologies. Several of the circuits presented have been fabricated so that simulations can be checked. The circuits covered are the most important building blocks for many designs, so the text will be of direct use to designers. MOS designs are covered, as well as BiCMOS, and there are several novel circuits.
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Maintenance Engineering and Maintainability

Maintenance Engineering and Maintainability

Francisco Mata Cabrera; Angeles Carrasco García; Issam Hanafi

Globeedit
2020
pokkari
The maintenance function will be approached within the framework of the organization of the company, the analysis of the fundamental goals of the maintenance, and the introduction of important concepts from the organizational point of view. This book highlighted the training needs of staff who develop their work in the field of maintenance, operators, and department heads. Various costs associated with the development of maintenance will also be discussed.The different types of maintenance and the relationship between them, the logical sequence of action will be discussed, depending on the type of equipment or facilities to maintain and their complexity, the analysis of the recommended application of the most advanced technique. Linking maintenance with design, production, and safety. We review the most important predictive maintenance techniques, focusing on the range and instrumentation required in each case. We will also focus on the integration of different techniques, based on complementarity and value for money.
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La réforme budgétaire dans les États de la Communauté économique et monétaire d'Afrique centrale (CEMAC)

La réforme budgétaire dans les États de la Communauté économique et monétaire d'Afrique centrale (CEMAC)

Achile Nestor Basahag; Louis Paul Motaze; Lionel Pierre Guéssélé Issémé

Editions L'Harmattan
2025
pokkari
Les finances publiques de l'ensemble des pays de la Communaut Economique et Mon taire de l'Afrique Centrale sont d sormais conformes aux exigences des normes tablies par cette Communaut . Le chemin vers l'harmonisation a t balis par des mesures, tant l gislatives que r glementaires, adopt es par les tats membres ces derni res ann es. La r forme budg taire observ e dans ces diff rents pays r v le l'int r t de rechercher la consistance du Budget, laquelle est n cessaire la bonne marche des projets communautaires. L'ouvrage montre comment les pays de cet espace commun ont int gr les normes communautaires en mati re budg taire. Il analyse l'influence de la r forme sur le droit budg taire, sur les grands principes budg taires ainsi que sur les manquements que la r forme comporte. Cette r flexion qui s'inscrit dans un contexte de recherche de la performance en mati re financi re, est, de ce point de vue, pertinente tant pour les citoyens que pour les universitaires et pour les d cideurs publics.
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