展览
发表于 2025-3-23 11:57:45
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微尘
发表于 2025-3-23 14:57:32
0179-5953 ion accorded previous volumes of "Residue Reviews" and by the gratifying en thusiasm, sincerity, and efforts shown by all the individuals from whom manuscripts have been solicited. Despite much propaganda to the contrary, there can never be any serious question that pest-control chemicals and food
破裂
发表于 2025-3-23 21:43:41
Purification of solvents for pesticide residue analysis,rom a chromatographic column with a solvent mixture. Before the final quantitation of the pesticide is made a considerable volume of solvents is usually represented. In many extraction and purification systems the impurities in the solvents, as well as the pesticides, have been concentrated.
心胸狭窄
发表于 2025-3-23 23:10:39
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斗争
发表于 2025-3-24 04:16:20
Purification of solvents for pesticide residue analysis,animal tissue or other organic material by solvent extraction. These extracts are usually purified by solvent partition, or elution of the pesticide from a chromatographic column with a solvent mixture. Before the final quantitation of the pesticide is made a considerable volume of solvents is usual
slipped-disk
发表于 2025-3-24 09:42:01
Automated pesticide residue analysis and screening,emical compounds. in more than 60,000 pesticidal formulations . 1965). In this country uses of these materials on more than 2,500 crop items (. 1964) and other foodstuffs are regulated by joint considerations of the . (F.D.A.) and the . (U.S.D.A.) . and . 1964), with assignments of tolerances or per
LUT
发表于 2025-3-24 13:00:49
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陈列
发表于 2025-3-24 18:52:08
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你敢命令
发表于 2025-3-24 20:56:13
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MITE
发表于 2025-3-25 02:11:47
. An assessment of the remaining open problems that exist within the currently used geodetic methodologies for crustal deformation analysis is also given, and finally a number of new challenges that are imposed by the availability of data types which are essentially continuous in space and/or time,