نتایج جستجو برای: agricultural activity
تعداد نتایج: 1229386 فیلتر نتایج به سال:
Structural-functional model of training of future agricultural specialists for professional activity
Specimens of plasma from 51 agricultural workers were divided into several portions for freezing and storage. Periodic assays (in duplicate) for cholinesterase activity in each specimen were compared with the initial values obtained on each fresh, unfrozen specimen. Freezing and/or thawing results in loss of approximately 30% of the plasma cholinesterase activity. It is not possible to use divi...
A brief overview of biological activity of organotin compounds is given, with emphasis on activity against plant-feeding arthropods. Plictran miticide, containing cyhexatin (tricyclohexylhydroxystannane), the first product to be fully commercialized for control of plant-feeding mites on a broad range of agricultural crops, is used as a model to indicate the chemistry and potential performance, ...
In vitro studies have demonstrated atrazine-mediated induction of 7-ethoxyresorufin O-deethylase (EROD) activity. EROD is an enzyme active in the metabolism of many compounds, including many xenobiotics. These studies have suggested that atrazine may affect reproductive function by altering steroid metabolism. The goal of this study was to determine whether relationships could be detected betwe...
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