Titlebook: Encyclopedia of Hydrology and Water Resources; Reginald W. Herschy,Rhodes W. Fairbridge Reference work 1998 Springer Science+Business Medi

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James R. Simpsontended to increase profitability and protect the environment through better management decisions. These new implements not only keep track of the geographical position in fields, but are also able to monitor what is happening and control production inputs and processes on-the-go. In essence, precisi

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Decongestant

Jen Hu Chang ammonium-oxidising bacteria and the mechanisms of host recognition by symbiotic nitrogen-fixing bacteria. They also exemplify progress that has been made in the science on terrestrial ecosystems during the period of the present OECD programme on Biological Resource Management, progress that is need

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Samuel N. Gowardtended to increase profitability and protect the environment through better management decisions. These new implements not only keep track of the geographical position in fields, but are also able to monitor what is happening and control production inputs and processes on-the-go. In essence, precisi

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描述

Charles R. Kolb regions that were climatic analogs of the Great Plains and were adapted. These two grasses literally preserved the remaining top soil on millions of hectares of land. In the subsequent half-century, agronomist, geneticists, and rangeland scientists have learned how to establish and manage native gr

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PRISE

Jonathan Shanklinsm by which plantvirus/viroid interactions may be governed. We have characterized a plantencoded protein kinase (p68) whose phosphorylation is induced in viral and viroid infected plants and in noninfected tissue extracts supplemented with dsRNA. p68 phosphorylation is dependent upon signal concentr

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Denis A. Hughese turned out to be more quantitative than qualitative (Markert, 1982; Nicolson, 1984a). Even more damaging to a simple “exploitable difference” approach is evidence, now accumulating, that significant differences may exist between malignant cells even within the same tumor. These differences may be