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acephate
相关语句
  乙酰甲胺磷
    A method for the rapid determination of acephate by reversed-phase high performance liquid chromatography was introduced. The mobile phase was methanol-water(15/85,v/v),the detector wavelength was 215 nm. It was shown that the correlation coefficient,standard deviation,variation coefficient and average recovery were 0.999 9,0.21,0.22% and 99.75%,respectively.
    采用反相高效液相色谱法测定乙酰甲胺磷原药中的有效成分,以甲醇∶水=15∶85(体积比)作为流动相,在波长为215 nm条件下检测乙酰甲胺磷原药有效成分含量,本方法的线性相关系数为0.9999,标准偏差为0.21,变异系数为0.22%,平均回收率为99.75%。
短句来源
    Researches into Acylation of Acephate Technology
    乙酰甲胺磷酰化工艺研究
短句来源
    Research on Improving the Technology of Acephate
    乙酰甲胺磷工艺改进研究
短句来源
    Studies on Acephate Extraction Technique
    乙酰甲胺磷萃取工艺
短句来源
    Formulation of an acephate 50% water dispersible granule
    50%乙酰甲胺磷WG的配制
短句来源
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  “acephate”译为未确定词的双语例句
    Determination of Dimethoate and Acephate in 20% Emulsifiable Concentrate by HPLC
    20%乐·乙酰甲乳油的液相色谱分析
短句来源
    In the industrial test, the yield of acetylating was over 95%, the yield of acephate technical was over 80%,and the content of acephate technical was over 95%.
    工业化实验乙酰化收率>95%,原粉收率>80%,产品纯度>95%。
短句来源
  相似匹配句对
    HPLC analysis of acephate
    乙酰甲胺磷的高效液相色谱分析
短句来源
    Researches into Acylation of Acephate Technology
    乙酰甲胺磷酰化工艺研究
短句来源
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  acephate
The systemic insecticides Acephate, Chlorpyrifos, and Oxamyl were variously toxic toPinus halepensis seeds and seedlings.
      
More acephate was found on the second swipe compared to the first from vinyl tile, similar amounts on both swipes from plywood, and less on the second swipe from formica and stainless steel.
      
Known amounts of acephate, chlorpyrifos, and diazinon were applied to Formica, unfinished plywood, stainless steel, and vinyl tile.
      
The organophosphate acephate and the carbamate methomyl were extremely toxic to adultM.
      
The presence of acephate in the encapsulation medium completely eradicated or killed the mites, with 38-69% of cultures fungus-free; 12% of the fungal-contaminated nodes encapsulated with 100 mg l-1 benomyl were fungus-free.
      
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It was proved by bioassay that Bacillus thuringiensis (Bt) suspeonsion with amaranth showed the strongest anti-ultraviolet effect. The silkworm pupa powder or sudan black was not so strong as amaranth in anti-ulthaviolet effect. The results also showed that Bt suspension with 0. 025% trichorfon bed a distinct synergetic action, with 30% higher insecticidal activity than the bacterial suspension or the trichorfon alonge. Acephate had no synergetic insecticidal action with Bt.

生物测定结果表明,Bt菌液添加苋菜红染料抗紫外线能力最强,蚕蛹粉、苏丹黑染料次之。苋菜红染料的保护作用极显著地强于蚕蛹粉以及苏丹黑。ω=0.025%敌百虫对Bt菌液有明显的增效作用,两者混合后的杀虫率比单剂提高30%。乙酰甲胺磷对Bt无增效作用。【关键词】

The acylation rate of acephate has been reached 97%~99% by means of optimum seeking catalysts and optimization of reaction temperature.

以甲胺磷为原料, 醋酐为酰化剂, 通过优选催化剂和优化反应温度, 乙酰甲胺磷酰化收率达97% ~99% 。

The different synthetic methods of acephate are compared in this article.The writer has studied a method in which technical methamedophos is used as initial material and acetylized by acetic anhydride under the action of a new type of catalyst and the product is purized by cristallization with a proper solvent ,and found out the key of promoting the yield.The end product′s purity is above 98%,and the general yield is above 78%.

对乙酰甲胺磷的合成路线进行了分析比较 ,以甲胺磷原油为起始原料 ,在新型催化剂的作用下 ,经醋酐乙酰化 ,适当的溶剂结晶提纯的方法进行了深入研究 ,摸索出提高产品收率的关键 ,使所得产品含量大于 98% ,总收率可达 78%以上 ,适用于工业化生产。

 
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