Titlebook: Chemical Analysis of the Environment and Other Modern Techniques; Sut Ahuja,Edward M. Cohen,Gunter Zweig Book 1973 Springer Science+Busine

知識(shí)

The Significance of Pesticide Contaminantsacid), is reduced by the presence of 2,5-dichloro-6-nitrobenzoic acid or 6-amino-2,5-dichlorobenzoic acid and crops are damaged by these compounds. Because these two compounds possess undesirable biological activity, they must be removed by rigorous control of the manfacturing process (H. Segal, 1967).

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exacerbate

A Look Ahead Toward Possible Future Analytical Requirements by FDAset my emphasis on the first person singular, and the disclaimer such usage implies. The prophecies I offer on this program are my own, and do not necessarily adumbrate the developing attitudes and actions of the sponsor.

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