... diphenylmethane dyes翻译 【机】 二苯甲烷染料 diflubenzuron翻译 【化】 伏虫脲; 二氟脲 distinguishable翻译 *[dis'tiŋgwiʃəbl] a. 区别得出的, 辩认得出的, 可辨别的 相关词 ...
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2,3-二氯-5-三氟甲基吡啶是杀虫剂氯氟脲类合成农药的关键中间体。
2,3-Dichloro-5-trifluoromethylpridine is a key intermediate of synthesis pesticides of insecticide chlorfluazuron.
本发明涉及新的特别由三氟甲基和卤素取代的1，3-二苯基脲，以及它们 在药物组合物的制备中作为活性成分的用途。
The invention relates to novel specifically trifluoromethyl and halogen substituted 1,3-diphenyl ureas and their use as active ingredients in the preparation of pharmaceutical compositions.
以液态聚硫橡胶、异氟尔酮二异氰酸酯和扩链剂3，6 -二甲硫基- 2 ，5 -二甲苯胺为原料，合成了不同硬段质量分数的聚硫硫代聚脲。
A series of polysulfide based thio-polyurea was synthesized, which were based on isophorone diisocyanate, liquid polysulfide and 2,5-diamino-3,6-dimethylmercapto toluene.
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