• 家蝇对常用杀虫剂抗性依次溴氰酯、 氯酯、氯菊酯、敌敌畏

    Results:From low to high degree of resistance, for mosquitoes, the insecticides are deltamethrin, permethrin, DDVP, and for flies are deltamethrin, cypermethrin, permethrin, and DDVP;

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  • 仪征中地区家蝇敌敌畏产生高抗,仪征地区家蝇溴氰最高,扬中地区则为低抗。

    House flies had evoluted high resistance to DDVP in Yizheng and Yangzhong. In Yizheng, house flies had evoluted highest resistance to deltamethrin, while in Yangzhong the resistance is low.

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  • 稻田规定剂量使用溴氰菊酯农药治虫稻田养鱼邻近鱼塘危害影响对虾类较大的危害性

    If deltamethrin be used with prescript dose in paddyfield, it will have no harmful effect on fish breeding in paddy field and nearby fish pond, but will be more harmful to shrimp.

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  • 林丹DDT溴氰呋喃丹对模拟实验中的土壤线虫密度、线虫群落结构产生一定影响不是决定因素

    Lindane DDT Deltamethrin and Carbofuran to exert a certain influence to soil nematode density, nematode community structure in being cultivated in a pot and experimental, but not a decisive factor.

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  • 经特异性测定发现,与其代谢物有一定交叉反应外,对氯酯、氟氯菊酯、戊菊酯、溴氰菊酯联苯菊酯明显的交叉反应。

    Pyrethroids, such as cyhalothrin, fenvalerate, deltamethrin, permethrin, cypermethrin, bifenthrin did not cross-react significantly for fenpropathrin in this assay except it's metabolites.

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  • 作者研究了杀灭酯、二氯苯醚酯、氯菊酯溴氰青菜、小白菜、豇豆种蔬菜中的残留降解情况,种农药降解半衰期为1.4~3.1

    Authors researched the degradation of fenvalerate, permethrin, cypermethrin and deltamethrin in 3 vegetables. The half-life of the degradation of 4 Pyrethroids -1.4~3.1 days.

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  • 另一种2-巯基苯并噻唑先将甲烷化钠反应生成硫氯甲酯,然后酸氯甲酯与2-巯基苯并噻唑反应得到苯噻

    It can also be prepared by reaction of bromochloromethane with sodium thiocyanate to obtain chloromethyl thiocyanate, and then it reacts with 2-mercapto-benzothiazole.

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  • 为底物,通过丁基化铵(TBATB)氧化原位生成亚胺转化为化产物。

    Nitriles were obtained from aldehydes through oxidation of in situ formed the corresponding aldimines using tetrabutylammonium tribromide (TBATB).

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  • 2--4-硝基苯胺原料直接卤化法研制成2-基-4-硝基-6-氯苯胺、2-基-4-硝基-6-苯胺、和2-基-4-硝基-6-碘苯胺。

    With 2-cyano-4-nitro-aniline as raw material, 2-cyano-4-nitro-6-halogen- anilines have been prepared by direct halogenation.

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  • 2--4-硝基苯胺原料直接卤化法研制成2-基-4-硝基-6-氯苯胺、2-基-4-硝基-6-苯胺、和2-基-4-硝基-6-碘苯胺。

    With 2-cyano-4-nitro-aniline as raw material, 2-cyano-4-nitro-6-halogen- anilines have been prepared by direct halogenation.

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