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Focusing on poultry nutrition, this volume includes information on the nutrient requirements of meat and egg-type chickens, incorporating data... Læs mere
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Reviews the types of survey methods used to estimate catch in recreational fisheries, including state/federal cooperative programs. This report finds that both telephone survey and onsite access components of the monitoring systems have serious flaws in design or implementation.
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Bemærk: Kan leveres før jul.
Provides several estimates of nutrient requirements. This volume covers requirements for energy: carbohydrates, including the role of dietary fiber; proteins and amino acids; fats and fatty acids; minerals, fat-soluble and water-soluble vitamins; and water.
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Recommends ways to close gaps in our understanding - by obtaining the necessary data on drug prices and consumption... Læs mere
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Examines approaches to protecting children and teens from internet pornography, threats from sexual predators operating on-line, and other inappropriate material on the... Læs mere
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Describes and assesses the varied economic benefits derived from modernizing and expanding seismic... Læs mere
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Questions about the origin and nature of Earth and the life on it have long preoccupied human thought and the scientific endeavor.... Læs mere
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On March 13, 2008, the National Academies brought together many of the knowledgeable people working on energy issues to... Læs mere
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As part of the America's Energy Future project, this title examines the potential for reducing energy demand through improving efficiency by... Læs mere