atopic
发表于 2025-3-23 12:46:31
https://doi.org/10.1007/978-1-4612-6068-4contaminants; contamination; environment; environmental contamination; environmental contamination and t
刺耳的声音
发表于 2025-3-23 16:42:51
,Contamination or pollution—The judgment aspect of residues,atters of science, and scientists or users of science should be very much aware of this: not to change it, necessarily, but better to understand, and to assess, scientific contributions or participations of scientists in risk/ benefit determinations.
etidronate
发表于 2025-3-23 20:16:50
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CHART
发表于 2025-3-23 23:25:23
From one to point zero one part per million: The first 25 years,The benefits of pesticides have become so much a part of agricultural economics that world-wide food and fiber production would be drastically reduced without some form of chemical assistance and protection.
Minikin
发表于 2025-3-24 03:47:44
978-1-4612-6070-7Springer-Verlag New York Inc. 1980
食道
发表于 2025-3-24 09:13:28
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PANEL
发表于 2025-3-24 14:03:02
for illumination. Consequently particles smaller than about a few hundred nm in diameter are submicroscopic. Colloid systems in which a liquid is the dispersing medium appear to form true solutions. These solutions pass unchanged through ordinary filter paper. The classical science of colloids deal
grotto
发表于 2025-3-24 16:10:33
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Credence
发表于 2025-3-24 21:53:06
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infatuation
发表于 2025-3-25 02:03:38
Robert A. Conkinr of factors, including the amount of light received, temperature, the supply of major nutrients (such as nitrogen, phosphorus, and silicon), and the availability of essential trace metals, such as iron, cobalt, copper, manganese, molybdenum, zinc, etc.