家蝇对常用杀虫剂的抗性由低到高依次为溴氰菊酯、 氯氰菊酯、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;
仪征、扬中地区家蝇对敌敌畏产生高抗,仪征地区家蝇对溴氰菊酯最高抗,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.
在稻田中按规定的剂量使用溴氰菊酯农药治虫,对稻田养鱼和邻近鱼塘无危害影响;对虾类有较大的危害性。
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.
林丹、DDT、溴氰菊酯和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,但不是决定因素。
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.
经特异性测定发现,除与其代谢物有一定交叉反应外,对氯菊酯、氟氯氰菊酯、氰戊菊酯、溴氰菊酯、联苯菊酯等均无明显的交叉反应。
Pyrethroids, such as cyhalothrin, fenvalerate, deltamethrin, permethrin, cypermethrin, bifenthrin did not cross-react significantly for fenpropathrin in this assay except it's metabolites.
作者研究了杀灭菊酯、二氯苯醚菊酯、氯氰菊酯和溴氰菊酯在青菜、小白菜、豇豆三种蔬菜中的残留降解情况,四种农药的降解半衰期为1.4~3.1天;
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.
另一种2-巯基苯并噻唑法是先将溴氯甲烷与硫氰化钠反应生成硫氰酸氯甲酯,然后硫氰酸氯甲酯与2-巯基苯并噻唑反应得到苯噻氰。
It can also be prepared by reaction of bromochloromethane with sodium thiocyanate to obtain chloromethyl thiocyanate, and then it reacts with 2-mercapto-benzothiazole.
以醛为底物,通过四丁基三溴化铵(TBATB)氧化原位生成的亚胺转化为氰基化产物。
Nitriles were obtained from aldehydes through oxidation of in situ formed the corresponding aldimines using tetrabutylammonium tribromide (TBATB).
以2-氰基-4-硝基苯胺为原料,用直接卤化法研制成2-氰基-4-硝基-6-氯苯胺、2-氰基-4-硝基-6-溴苯胺、和2-氰基-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.
以2-氰基-4-硝基苯胺为原料,用直接卤化法研制成2-氰基-4-硝基-6-氯苯胺、2-氰基-4-硝基-6-溴苯胺、和2-氰基-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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