نتایج جستجو برای: environmental
تعداد نتایج: 370434 فیلتر نتایج به سال:
In observational research, evidence is usually derived from multiple studies, and any single result is rarely considered sufficient for public health decision making. Despite more than five decades of research and thousands of studies published, the ability to draw robust conclusions regarding the presence or absence of causal links between specific environmental exposures and human health rema...
What is 'GerES'? The German Environmental Survey (GerES) is a large scale population study which has repeatedly been carried out by the German Federal Environmental Agency (Umweltbundesamt) with financial support of the German Federal Ministry for the Environment, Nature Conservation and Nuclear Safety. The objectives are ・ to generate representative data on the concentration distribution of en...
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A new trend in environmental policy has emerged in the 1990’s. This trend is the voluntary participation of business in environmental protection and problem-solving. So-called environmental management system principles and standards are being developed and certified in many countries. A reasonable number of corporations have already introduced this system. Voluntary agreements between industry ...
the existence of ra 226 is proved and measured by radiom emanation-method in waters and food products of north , north west and north – east of iran. a total of 126 water, 249 food and 22 air samples have been examined. the concertration of ra 226 in waters found to be 0.01 to 1.104 pci/1 and in food products from 0.01 to pci/gr. ash.the amount found in due ranges from 0.003 to 0.227 pci/m 3.it...
Inviting the public to be part of the decision making process in environmental management has been a major objective in European and American environmental policy arenas. As one prominent example, the US-National Academy of Sciences encourages environmental protection agencies to foster citizen participation and public involvement for making environmental policy making and risk management more ...
Maczulak AE. Pollution: Treating Environmental Toxins. New York, NY: Infobase Publishing; 2010. p. x+232. ISBN: 978-1-4381-2633-3
(Editor's Note: Following is a reprint ofa letter sent to Donna Shalala, secretary of the Department ofHealth and Human Services, on 9June 1995.) The budget now under consideration in the Congress for the National Institute of Environmental Health Sciences would indefensibly threaten environmental health protection for America. For millions of Americans the environment is a major determinant of...
This mini-monograph was developed to highlight the experiences of the National Institute of Environmental Health Sciences (NIEHS)/U.S. Environmental Protection Agency (EPA) Centers for Children's Environmental Health and Disease Prevention Research, focusing particularly on several areas of interest for the National Children's Study. These include general methodologic issues for conducting long...
Supermassive black holes in the nuclei of active galaxies expel large amounts of matter through powerful winds of ionized gas. The archetypal active galaxy NGC 5548 has been studied for decades, and high-resolution x-ray and ultraviolet (UV) observations have previously shown a persistent ionized outflow. An observing campaign in 2013 with six space observatories shows the nucleus to be obscure...
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