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831 tulosta hakusanalla Sivakumar Rajeshkumar

Utilisation des mélanges d'esters méthyliques de graines de lin et de neem dans les moteurs diesel

Utilisation des mélanges d'esters méthyliques de graines de lin et de neem dans les moteurs diesel

Subramanyam Pavuluri; B Sidda Reddy; A Siva Kumar

Editions Notre Savoir
2023
pokkari
L'utilisation de m langes d'esters m thyliques de graines de lin et de margousier dans un moteur diesel implique l'utilisation d'un m lange d'esters m thyliques de graines de lin (LME) et de margousier (NME) avec du carburant diesel comme source de carburant alternative. Le LME et le NME sont tous deux des carburants biodiesel d riv s d'huiles v g tales et ont le potentiel d' tre utilis s comme une alternative durable et respectueuse de l'environnement au carburant diesel pur. Voici comment l'utilisation de ces m langes dans un moteur diesel peut tre b n fique et quelques consid rations.L'utilisation de m langes d'esters m thyliques de graines de lin et de margousier dans un moteur diesel peut constituer une tape vers la r duction de l'impact environnemental des moteurs diesel et la promotion du d veloppement durable.
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Utilizzo di miscele di semi di lino e esteri metilici di Neem nei motori diesel

Utilizzo di miscele di semi di lino e esteri metilici di Neem nei motori diesel

Subramanyam Pavuluri; B Sidda Reddy; A Siva Kumar

Edizioni Sapienza
2023
pokkari
L'utilizzo di miscele di semi di lino e di esteri metilici di neem in un motore diesel prevede l'impiego di una miscela di esteri metilici di lino (LME) e di esteri metilici di neem (NME) con il gasolio come fonte di carburante alternativa. Sia l'LME che l'NME sono carburanti biodiesel derivati da oli vegetali e hanno il potenziale per essere utilizzati come alternativa sostenibile ed ecologica al gasolio puro. Ecco come l'utilizzo di queste miscele in un motore diesel pu essere vantaggioso e alcune considerazioni.L'utilizzo di miscele di semi di lino e di esteri metilici di neem in un motore diesel pu essere un passo avanti verso la riduzione dell'impatto ambientale dei motori diesel e la promozione della sostenibilit .
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The Samaritan's Dilemma

The Samaritan's Dilemma

Clark C. Gibson; Krister Andersson; The late Elinor Ostrom; Sujai Shivakumar

Oxford University Press
2005
sidottu
What's wrong with foreign aid? Many policymakers, aid practitioners, and scholars have called into question its ability to increase economic growth, alleviate poverty, or promote social development. At the macro level, only tenuous links between development aid and improved living conditions have been found. At the micro level, only a few programs outlast donor support and even fewer appear to achieve lasting improvements. The authors of this book argue that much of aid's failure is related to the institutions that structure its delivery. These institutions govern the complex relationships between the main actors in the aid delivery system and often generate a series of perverse incentives that promote inefficient and unsustainable outcomes. In their analysis, the authors apply the theoretical insights of the new institutional economics to several settings. First, they investigate the institutions of Sida, the Swedish aid agency, to analyze how that aid agency's institutions can produce incentives inimical to desired outcomes, contrary to the desires of its own staff. Second, the authors use cases from India, a country with low aid dependence, and Zambia, a country with high aid dependence, to explore how institutions on the ground in recipient countries also mediate the effectiveness of aid. Throughout the book, the authors offer suggestions about how to improve aid's effectiveness. These suggestions include how to structure evaluations in order to improve outcomes, how to employ agency staff to gain from their on-the-ground experience, and how to engage stakeholders as "owners" in the design, resource mobilization, learning, and evaluation processes of development assistance programs.
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The Samaritan's Dilemma

The Samaritan's Dilemma

Clark C. Gibson; Krister Andersson; The late Elinor Ostrom; Sujai Shivakumar

Oxford University Press
2005
nidottu
What's wrong with foreign aid? Many policymakers, aid practitioners, and scholars have called into question its ability to increase economic growth, alleviate poverty, or promote social development. At the macro level, only tenuous links between development aid and improved living conditions have been found. At the micro level, only a few programs outlast donor support and even fewer appear to achieve lasting improvements. The authors of this book argue that much of aid's failure is related to the institutions that structure its delivery. These institutions govern the complex relationships between the main actors in the aid delivery system and often generate a series of perverse incentives that promote inefficient and unsustainable outcomes. In their analysis, the authors apply the theoretical insights of the new institutional economics to several settings. First, they investigate the institutions of Sida, the Swedish aid agency, to analyze how that aid agency's institutions can produce incentives inimical to desired outcomes, contrary to the desires of its own staff. Second, the authors use cases from India, a country with low aid dependence, and Zambia, a country with high aid dependence, to explore how institutions on the ground in recipient countries also mediate the effectiveness of aid. Throughout the book, the authors offer suggestions about how to improve aid's effectiveness. These suggestions include how to structure evaluations in order to improve outcomes, how to employ agency staff to gain from their on-the-ground experience, and how to engage stakeholders as "owners" in the design, resource mobilization, learning, and evaluation processes of development assistance programs.
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Highwall Mining

Highwall Mining

John Loui Porathur; Pijush Pal Roy; Baotang Shen; Shivakumar Karekal

CRC Press
2019
nidottu
This comprehensive technical book on highwall mining covers theory and practice coupled with practical examples and design aspects. It contains eight extensive chapters elaborating broad-spectrum functionalities of highwall mining and its operational aspects, covering world scenario, economic potential, methods of coal extraction, design methodology including empirical web pillar design, numerical modelling for stress analysis, safety factor for web pillars, panel and barrier design, small-and large-scale numerical modelling, multiple seam interaction and design, coal web pillar strength, equivalent width concept, laboratory testing, new web pillar strength formula, effect of weak bands in coal seam, slope stability, safety and ground monitoring, hazards and regulatory requirements, case examples, norms and guidelines for practice. It also summarizes the results of research carried out by the CSIR Central Institute of Mining and Fuel Research (CSIR-CIMFR), India and the Commonwealth Scientific and Industrial Research Organisation (CSIRO), Australia on the subject.The book will equip readers in understanding the complex, multiple seam scenarios for highwall mining, and its design for maximum coal recovery from any given site with better economics, which will aid the mining companies in extracting locked-up coal following the safety norms to avoid hazards and minimise instability issues. A large number of case studies is included to illustrate the application of numerical modelling for prior estimation and viability of highwall mining operations under varying geomining conditions.The book will be of interest to professionals and academics in the field of mining engineering specifically, but will also interest civil, geomechanical and geological engineers as well as rock mechanics professionals.
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Highwall Mining

Highwall Mining

John Loui Porathur; Pijush Pal Roy; Baotang Shen; Shivakumar Karekal

CRC Press
2017
sidottu
This comprehensive technical book on highwall mining covers theory and practice coupled with practical examples and design aspects. It contains eight extensive chapters elaborating broad-spectrum functionalities of highwall mining and its operational aspects, covering world scenario, economic potential, methods of coal extraction, design methodology including empirical web pillar design, numerical modelling for stress analysis, safety factor for web pillars, panel and barrier design, small-and large-scale numerical modelling, multiple seam interaction and design, coal web pillar strength, equivalent width concept, laboratory testing, new web pillar strength formula, effect of weak bands in coal seam, slope stability, safety and ground monitoring, hazards and regulatory requirements, case examples, norms and guidelines for practice. It also summarizes the results of research carried out by the CSIR Central Institute of Mining and Fuel Research (CSIR-CIMFR), India and the Commonwealth Scientific and Industrial Research Organisation (CSIRO), Australia on the subject.The book will equip readers in understanding the complex, multiple seam scenarios for highwall mining, and its design for maximum coal recovery from any given site with better economics, which will aid the mining companies in extracting locked-up coal following the safety norms to avoid hazards and minimise instability issues. A large number of case studies is included to illustrate the application of numerical modelling for prior estimation and viability of highwall mining operations under varying geomining conditions.The book will be of interest to professionals and academics in the field of mining engineering specifically, but will also interest civil, geomechanical and geological engineers as well as rock mechanics professionals.
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Soil Resources Inventory Management

Soil Resources Inventory Management

V. Arunkumar; Muthiyan Pandiyan; M. Yuvaraj; C. Sivakuamr; A. Krishnaveni

New India Publishing Agency- Nipa
2020
sidottu
This book aims to impart comprehensive knowledge about soil and resource inventory, including the fundamentals of soil and resource inventory, the standard soil survey, the scope and objectives of soil systematic, soil mapping units, methods and types of soil survey, soil classification, and modern soil taxonomy, as well as the USDA system, diagnostic horizons, and soil orders. Additionally, the book covers soil survey reports, soil survey interpretations, land capability classification, soil and land irrigability classification, Stories Index Rating, fertility capability classification, and land suitability for field crops, horticultural crops, and forest trees. Furthermore, the book presents land use planning concepts and objectives to enhance the Bachelor Degree of Agriculture students technical competence in accordance with the undergraduate curriculum. The book has been designed with clear and concise presentations of topics to facilitate easy understanding for students.
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