• Imidaclotrid is a new chloro - nicotine type insecticide.

    虫啉为新型烟碱类杀虫剂。

    youdao

  • At present are 2 - chloro Ben - mode of destructible cover stealthily.

    目前主要2形式可破坏显偷换

    youdao

  • The degradability for nitrobenzene, 2 chloro butenoic acid are all 100%.

    硝基苯2-氯代苯甲酸等污染物的降解率分别为1 0 0 %。

    youdao

  • To study the role of immediate early genes in the neurotoxic mechanism of chloro methylmercury.

    研究基因氯化甲基汞神经毒性机制中的作用

    youdao

  • The results showed that the purity of 6 chloro 2 nitrotoluene was over 96% by two tower distillation.

    实验结果表明,通过双塔精馏,可获得纯度大于96%62硝基甲苯目标产品。

    youdao

  • Objectives To know the resistance of common nosocomial infection pathogens to P-chloro-m-xylenol(PCMX).

    目的了解常见医院感染病原菌对对氯间二甲苯酚抗力

    youdao

  • Objective:To synthesize a key intermediate of anti-hypertension drug Losartan, 2-butyl-4-chloro-5-formylimidazole(1).

    目的合成高血压氯沙坦的关键中间体2-正丁基-4-氯-5-甲酰基咪唑。

    youdao

  • The reaction of N chloro derivatives of butylamide (BA) with 1 propanol in neutral aqueous solutions were investigated.

    研究了1 -丁酰胺N-衍生物1 -水溶液弱碱性条件下的化学反应

    youdao

  • The article introduced a craft in which the salicylic acid was made from the Chloro-toluene as the raw material system.

    介绍以邻氯甲苯原料制备水杨酸工艺

    youdao

  • METHOD: It was synthesized from methyl 5-chloro-2-hydroxyl benzoic acid via nine-step reaction with nitration, reduction, etc.

    方法:以5 氯2 羟基苯甲酸甲酯为原料,硝化、还原反应合成

    youdao

  • The structure of a-chloro-fatty acid was characterized by chlorine element analysis, infrared spectrum and nuclear magnetic resonance.

    采用气相色谱、氯含量分析红外光谱等方法对产品进行了表征

    youdao

  • Synthesis, Characterization and Fluorescence Properties of Rare Earth with p-Chloro-benzoic Acid and 2,4,6-Tris-(2-pyridyl)-s-triazine.

    对氯苯甲酸-2,4,6-三吡啶基三嗪稀土配合物合成表征发光性能

    youdao

  • This standard solution was accurately prepared in super-clean laboratory with 1-chloro-2,4-dinitrobenzene(99%) and sub-packed in 5ml ampoules.

    标准溶液以纯度为99%2,4-二硝基氯苯在实验室准确配制分装于5 毫升安瓿中。

    youdao

  • Some deaner production technologies with good prospects for several organo-chloro-compounds in mass production have been presented in the artide.

    简要介绍了几种氯碱工业中发展前景的清洁生产工艺

    youdao

  • The synthesis of Cilastatin sodium started from ethyl acetoacetate and 1-bromo-5-chloropentane, through 3 steps to produce ethyl 7-chloro-2-oxoheptanoate;

    西他丁合成乙酰乙酸1-溴-5-氯戊烷为原料,活性亚甲基烃化、成肟和水解3反应得7-氯-2-氧庚酸乙酯;

    youdao

  • Objective: To study the effects of combination of quercetin monosulfate and 5 'chloro 5' deoxyadenosine on platelet aggregation induced by thrombin in rabbits.

    目的研究槲皮素单硫酸5-- 5-脱氧腺苷合用凝血酶诱导血小板聚集影响

    youdao

  • A method was established for determining two intermediates in synthesis of imidacloprid, 2 chloro 5 methyl pyridine and 2 chloro 5 chloromethyl pyridine by HPLC.

    建立了高效液相色谱同时测定农药虫啉中间体2 --5 -甲基吡啶2 -氯- 5 -氯甲基吡啶含量的方法。

    youdao

  • Furthermore, inventory of a practical chloro alkali factory was simulated and analyzed, and the feasibility of the proposed model and optimization procedures was verified.

    更进一步针对一个氯碱企业中氯乙烯库存问题进行仿真分析,对所提出的流程工业库存优化模型进行了验证,结果表明该模型是可行

    youdao

  • The methods about indirect Chloromethylation of Polystyrene are discussed, and the conditions and factors affecting the reactions of chloro - methylation also discussed here.

    介绍聚苯乙烯树脂间接甲基方法对影响氯甲基化反应一些条件因素作了讨论

    youdao

  • The reaction mixture then undergo esterification and rearrangement reaction to prepare 1-chloro-2-methyl-4-(acetyloxy)-2-butene, which is a important intermediate of vitamin A.

    反应混合物可以进一步酯化重排制备维生素A中间体1-氯-2-甲基-4-乙酰氧基-2-丁烯。

    youdao

  • Due to the strong electron-withdrawing property of CF3 - group the substitution of ortho-chloro shows a higher probability, implying the in-principle feasibility of the reaction.

    由于此物质CF 3具有吸电子能力,所以其氯更易被取代,这就说明此反应理论上是能够发生的。

    youdao

  • As a large consumer of desalted water and producer of large amount of steam condensate, the Chloro-Alkali Complex has never made full use of the two water sources until this revamp.

    氯碱厂作为脱盐消耗大户蒸汽冷凝液的副产大户,项目实施前两者没有好的结合起来。

    youdao

  • In this thesis, 2-chloro-5-chloromethyl pyridine is ammoniated, which followed by the reaction with N-cyano ethyl ethylimidoate, finally is methylated to gain the objective product.

    本文用2-氯-5-氯甲基吡啶氨基化,N-氰基乙亚胺乙酯反应最后甲基化得到吡虫清。

    youdao

  • The invention discloses a detergent, which is sodium salt containing 5-chloro-2-methylisothiazolone dissolved in organic solvent or 5-chloro-2-methylisothiazolone dissolved in water.

    发明公开了一种清洁剂有机溶剂溶解有5-氯-2-甲基 异噻唑啉酮在水中溶解有5-氯-2-甲基异噻唑啉酮的

    youdao

  • On the contrary to the vinyl and aryl chlorides, the oxidative addition reaction of zerovalent palladium to chloro-substituted phosphaalkenes proceeded smoothly under mild conditions.

    代烯烃或芳烃相反,氯代膦烯与零氧化加成反应可以温和条件下进行

    youdao

  • A synthetic method of direct cyclization was researched that 2-chloro-2-chloromethyl-4-cyanobutyraldehyde was reacted with phosphorus oxychloride to get 2-chloro-5-chloromethylpyridine.

    研究一种直接环合方法,用2-氯-2氯甲基- 4-氰基丁醛三氯反应来制备2-氯-5-氯甲基吡啶。

    youdao

  • 4-chloro-2-trifluoromethyl aniline was synthesized from 2-trifluoromethyl aniline, using hydrochloric acid-hydrogen peroxide as the chlorination agent and cupric chloride as the catalyst.

    以邻三氟甲基苯胺为起始原料,二水氯化催化剂盐酸-双氧水为氯化合成4 -氯- 2 -三氟甲基苯胺。

    youdao

  • The process comprises the following steps: dehydrofluorinating 3-chloro-1,1,1,3-tetrafluoropropane under conditions sufficient to effect dehydrofluorination in the presence of a catalyst.

    方法具有以下步骤催化剂存在,在足以实现脱氟化氢条件下使3-氯 -1,1,1,3-四氟丙烷脱氟化氢。

    youdao

  • The process comprises the following steps: dehydrofluorinating 3-chloro-1,1,1,3-tetrafluoropropane under conditions sufficient to effect dehydrofluorination in the presence of a catalyst.

    方法具有以下步骤催化剂存在,在足以实现脱氟化氢条件下使3-氯 -1,1,1,3-四氟丙烷脱氟化氢。

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定