منابع مشابه
Mao Tse-tung Thought Guides Us in Conquering Nature
Helped by the P.L.A. personnel supporting agriculture, the Revolutionary Committee of the Hengling People's Commune, Huailai County, Hopei Province, has made great efforts in studying and applying Mao Tsetung Thought in a living way and has used the world outlook of materialist dialectics to know and change the world. This has given a push to the vigorous progress in both revolution and product...
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The idea of agroecosystem analysis has at least some roots in the frustration of researchers who saw their technological innovations too often ignored by farmers (Conway 1985;1986;1987). This led to a “systems” approach manifested in a variety of ways, but generally with a strong measure of farmer participation. The “Conway school” and most other systematic approaches to analyzing agroecosystem...
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Transportation of livestock carries the risk of spreading foreign animal diseases 2 throughout a susceptible population, leading to costly public and private sector expenditures on disease containment and eradication. Individual animal tracing 4 systems that exist in countries other than the US have allowed epidemiologists and veterinarians in those countries to model the risks engendered by li...
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I am pleased to report several changes at the IEEE Transactions on Software Engineering that will make the processing of papers more timely and more effective. First, we have removed the length restriction on submitted manuscripts. This should allow authors to document results in appropriate length papers. Despite the change, authors are encouraged to keep papers as short as possible. Second, w...
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ژورنال
عنوان ژورنال: Nature Medicine
سال: 2000
ISSN: 1078-8956,1546-170X
DOI: 10.1038/82076