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Page 1 ENERGY FROM GAS HYDRATES: ASSESSING THE OPPORTUNITIES & CHALLENGES FOR CANADA The Expert Panel on Gas Hydrates Council of Canadian Academies Science Advice in the Public Interest Conseil des académies canadiennes EnErgy from gas HydratEs - assEssing tHE opportunitiEs and CHallEngEs for Canada Report of the Expert Panel on Gas Hydrates iv Energy from Gas Hydrates tHE CounCil of Canadian aCad [...] Engineering and the RSC: The Academies of. [...] The reviewers assessed the objectivity and quality of. [...] Gas Hydrate Basics - Introduction to the Science and Occurrence of. [...] Energy from Gas Hydrates 3 ovErviEW of gas HydratEs - a primEr on tHE ContEXt The gas held in naturally occurring gas hydrate is generated by microbial or thermal alteration of.
In the last 20 years, there has been a remarkable emergence of innovations and technological advances that are generating promising changes and opportunities for sustainable agriculture, yet at the same time the agricultural sector worldwide faces numerous daunting challenges. Not only is the agricultural sector expected to produce adequate food, fiber, and feed, and contribute to biofuels to meet the needs of a rising global population, it is expected to do so under increasingly scarce natural resources and climate change. Growing awareness of the unintended impacts associated with some agricultural production practices has led to heightened societal expectations for improved environmental, community, labor, and animal welfare standards in agriculture. Toward Sustainable Agricultural Systems in the 21st Century assesses the scientific evidence for the strengths and weaknesses of different production, marketing, and policy approaches for improving and reducing the costs and unintended consequences of agricultural production. It discusses the principles underlying farming systems and practices that could improve the sustainability. It also explores how those lessons learned could be applied to agriculture in different regional and international settings, with an emphasis on sub-Saharan Africa. By focusing on a systems approach to improving the sustainability of U.S. agriculture, this book can have a profound impact on the development and implementation of sustainable farming systems. Toward Sustainable Agricultural Systems in the 21st Century serves as a valuable resource for policy makers, farmers, experts in food production and agribusiness, and federal regulatory agencies.
Expands psychological and some biological theories of the origins of crime, its varieties, and to effects of social and legal responses to it. Based primarily on previous statistical studies. Annotation copyright Book News, Inc. Portland, Or.
Drugs During Pregnancy and Lactation, Third Edition is a quick and reliable reference for all those working in disciplines related to fertility, pregnancy, lactation, child health and human genetics who prescribe or deliver medicinal products, and to those who evaluate health and safety risks. Each chapter contains twofold information regarding drugs that are appropriate for prescription during pregnancy and an assessment of the risk of a drug when exposure during pregnancy has already occurred. Thoroughly updated with current regulations, references to the latest pharmacological data, and new medicinal products, this edition is a comprehensive resource covering latest knowledge and findings related to drugs during lactation and pregnancy. - Provides evidence-based recommendations to help clinicians make appropriate recommendations - Uniquely organized and structured according to drug class and treatment indications to offer authoritative clinical content on potential adverse effects - Highlights new research developments from primary source about working mechanism of substances that cause developmental disorders
The term “heavy metals” is used as a group name of toxic metals and metalloids (semimetals) causing contaminations and ecotoxicity. In strict chemical sense the density of heavy metals is higher than 5 g/cm3. From biological point of view as microelements they can be divided into two major groups. a. For their physiological function organisms and cells require essential microelements such as iron, chromium (III), cobalt, copper, manganese, molidenium, zinc. b. The other group of heavy metals is toxic to the health or environment. Of highest concern are the emissions of As, Cd, Co, Cu, Hg, Mn, Ni, Pb, Sn, Tl. The toxicity of heavy metals is well known at organizational level, while less attention has been paid to their cellular effects. This book describes the toxicity of heavy metals on microorganisms, yeast, plant and animal cells. Other chapters of the book deal with their genotoxic, mutagenic and carcinogenic effects. The toxicity of several metals touch upon the aspects of environmental hazard, ecosystems and human health. Among the cellular responses of heavy metals irregularities in cellular mechanisms such as gene expression, protein folding, stress signaling pathways are among the most important ones. The final chapters deal with biosensors and removal of heavy metals. As everybody is eating, drinking and exposed to heavy metals on a daily basis, the spirit of the book will attract a wide audience.
This volume offers a detailed and comprehensive analysis of Endocrine Disrupting Chemicals (EDCs), covering their occurrence, exposure to humans and the mechanisms that lead to the parthogenesis of EDCs-induced metabolic disorders. The book is divided into three parts. Part I describes the physiology of the human endocrine system, with special emphasis on various types of metabolic disorders along with risk factors that are responsible for the development of these disorders. Part II addresses all aspects of EDCs, including their role in the induction of various risk factors that are responsible for the development of metabolic disorders. Part III covers up-to-date environmental regulatory considerations and treatment strategies that have been adopted to cure and prevent EDCs-induced metabolic disorders. This section will primarily appeal to clinicians investigating the causes and treatment of metabolic disorders. The text will also be of interest to students and researchers in the fields of Environmental Pharmacology and Toxicology, Environmental Pollution, Pharmaceutical Biochemistry, Biotechnology, and Drug Metabolism/Pharmacokinetics.
Athletes and nonathletes frequently consume too little water or fluids, affecting exercise performance as well as overall health. This book comprehensively reviews the aspects relating to body fluid balance, rehydration, and physical exercise. It provides background on body water balance and turnover, topics related to electrolyte balance, and sweating as the basis for thermoregulatory and fluid homeostasis during exercise. In addition, chapters cover body water balance evaluation and regulation; cardiovascular and metabolic responses to fluid imbalance; effects of dehydration on aerobic power, muscle strength, and cognitive function; fluid intake timing; and optimal beverage selection.
Cancer and Pregnancy covers the clinical challenges to diagnosing and treating malignancies in the pregnant patient; however, the book also shows how an understanding of the common features of both processes (rapid cell proliferation) may lead to novel anti-cancer treatment options. The book should be read by obstetricians and gynaecologists, clinical oncologists, reproduction specialists, and those involved in investigation of development, biology, toxicology, immunology, as well as cancer research.