Xem 1-20 trên 82 kết quả Energy balance
  • Abstract Man is an omnivore and originally met energy requirements by hunting and gathering. Man evolved in an environment of feast and famine: there were periods with either a positive or negative energy balance. As an introduction to human energetics, this book on energy balance in motion starts with a chapter on animal energetics. How do animals survive and reproduce in an environment with a variable food supply? The examples on animal energetics illustrate how animals grow, reproduce and survive periods of starvation.

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  • This chapter presents the following content: Forces and torques in magnetic field systems, energy balance, energy in singly – excited magnetic field systems, determination of magnetic force and torque from energy and coenergy, multiply – excited magnetic field systems, forces and torques in systems with permanent magnets, dynamic equations, analytical techniques.

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  • Two of the main distinctions between chemical engineers and other engineering disciplines are the topics of mass and energy balances. Within these two topics there are a lot of underlying chemical principles that help chemical engineers to perform calculations to determine what is happening in a system, allowing better control of a process.

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  • Tuyển tập các báo cáo nghiên cứu về lâm nghiệp được đăng trên tạp chí lâm nghiệp Original article đề tài:"Effects of light intensity on the growth and energy balance of photosystem II electron transport in Quercus alba "

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  • Traditional Chinese Medicine: TCM considers the patient as a microcosm of the universe, subject to the influences of the environment and internal harmony. Patients are subject to the interplay of external factors such as wind, heat, dryness, dampness and cold which act on the elemental qualities of the human body such as wood, fire, earth, metal and water.

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  • Tuyển tập các báo cáo nghiên cứu về lâm nghiệp được đăng trên tạp chí lâm nghiệp quốc tế đề tài: Energy balance storage terms and big-leaf evapotranspiration in a mixed deciduous forest...

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  • Tuyển tập các báo cáo nghiên cứu về bệnh học thý y được đăng trên tạp chí Acta Veterinaria Scandinavica cung cấp cho các bạn kiến thức về bệnh thú y đề tài: Energy balance, leptin, NEFA and IGF-I plasma concentrations and resumption of post partum ovarian activity in swedish red and white breed cows...

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  • Research, development and industrialisation of renewable energy are currently moving at a rapid pace worldwide. Biofuels play significant roles in decarbonisation of our future energy needs and act to mitigate deleterious impacts of greenhouse gas emissions. Liquid transportation biofuels (bioethanol and biodiesel) now represent key contributors to the bioenergy portfolios in many countries.

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  • This unique and comprehensive book reveals the Taoist secret of circulating Chi, the generative life force, through the acupuncture meridians of the body. Illustrated with detailed diagrams that aid the development of a powerful energetic flow, for psychological and spiritual health and balance.

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  • Energy and climate change are issues of critical importance for shaping a sustainable future, both in South Africa and globally. For South Africa, finding a policy approach which balances the increasing demand for energy with the need for sustainability, equity and climate change mitigation is a particular challenge. This book provides an innovative and strategic approach to climate policy, with local development objectives as its starting point.

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  • The Write Balance Journaling The Writer’s Life Published by Rocky Mountain Creative Publishers Smashwords Edition 6716 W. Sack Dr, Glendale, AZ 85308 www.rockymountaincreativepublishers.com (A division of Rocky Mountain Entertainment) First published in 2012 Copyright 2012 by Debra Quarles. All rights reserved.

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  • Chapter 4 - Energy analysis of closed systems. The objectives of Chapter 4 are to: Examine the moving boundary work or P dV work commonly encountered in reciprocating devices such as automotive engines and compressors, identify the first law of thermodynamics as simply a statement of the conservation of energy principle for closed (fixed mass) systems, develop the general energy balance applied to closed systems,...

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  • Chapter 5 (Part 2) - Mass and energy analysis of control volumes. The objectives of this chapter are to: Solve energy balance problems for common steady-flow devices such as nozzles, compressors, turbines, throttling valves, mixers, heaters, and heat exchangers; apply the energy balance to general unsteady-flow processes with particular emphasis on the uniform-flow process as the model for commonly encountered charging and discharging processes.

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  • Chapter 15 - Chemical reactions. Introduce the concepts of fuels and combustion; apply the conservation of mass to reacting systems to determine balanced reaction equations; define the parameters used in combustion analysis, such as air-fuel ratio, percent theoretical air, and dew point temperature; apply energy balances to reacting systems for both steady-flow control volumes and fixed mass systems;...

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  • Food engineering is usually a difficult discipline for food science students because they are more used to qualitative rather than to quantitative descriptions of food processing operations. Food engineering requires understanding of the basic principles of fluid flow, heat transfer, and mass transfer phenomena and application of these principles to unit operations which are frequently used in food processing, e.g., evaporation, drying, thermal processing, cooling and freezing, etc. The most difficult part of a course in food engineering is often considered the solution of problems.

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  • The Encyclopedia of Soils in the Environment is a vitally important scientific publication and an equally important contribution to global public policy. The Encyclopedia brings together a remarkable range of cutting-edge scientific knowledge on all aspects of soil science, as well as the links of soils and soil science to environmental management, food production, biodiversity, climate change, and many other areas of significant concern.

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  • Although metabolites and energy balance have long been known to play roles in the regulation of food intake, the potential role of fatty acid metabolism in this process has been considered only recently. Fatty acid synthase (FAS) catalyzes the condensation of acetyl-CoA and malonyl-CoA to generate long-chain fatty acids in the cytoplasm, while the breakdown of fatty acids (h-oxidation) occurs in mitochondria and is regulated by carnitine palmitoyltransferase-1 (CPT-1), the rate-limiting step for the entry of fatty acids into the mitochondria....

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  • The history of quality is the history of human efforts to make things perfect in an imperfect world. The main purpose of the quality procedures is to reduce errors and increase customer satisfaction. Errors and mistakes are part of human nature, but so is the ability to create solutions and find better alternatives. By using modern quality management tools we can shift the balance from errors towards solutions and better alternatives.

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  • In the first volume of this two-volume book, Advanced Nutrition: Macronutrients , the needs for the macronutrients were discussed. The absorption, metabolism, excretion, and function of the various sources of energy as well as detailed discussions of the need for water and energy balance were presented. The needs for the micronutrients, as well as explanations of how these nutrients function in the body, were deferred to this, the second volume.

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  • IN CHAPTER 5 WE DISCUSSED plants’ requirements for mineral nutrients and light in order to grow and complete their life cycle. Because living organisms interact with one another and their environment, mineral nutrients cycle through the biosphere. These cycles involve complex interactions, and each cycle is critical in its own right. Because the amount of matter in the biosphere remains constant, energy must be supplied to keep the cycles operational. Otherwise increasing entropy dictates that the flow of matter would ultimately stop.

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