• 生产了各种三氟甲磺酸酯。

    Various aryl triflates were produced.

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  • 利用软件进行三氟甲烷灭火系统模拟方法研究

    Study the simulating method of trifluoromethane fire extinguishing system by a software.

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  • 2,3-二氯-5-三氟甲基吡啶杀虫剂脲类合成农药关键中间体

    2,3-Dichloro-5-trifluoromethylpridine is a key intermediate of synthesis pesticides of insecticide chlorfluazuron.

    youdao

  • 介绍三氟生产原理工业化生产技术

    The production principle and technical process of Lanbda-cyhalothric acid were introduced in this pa- per.

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  • 本文介绍三氟氯乙烯性质生产方法应用前景

    This text introduced the properties, manufacture method and application foreground of the CTFE.

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  • 本文介绍了甲基苯硫醚制备方法它的具体应用

    Various method of preparation and application of Sulfide phenyl trifluoromethyl are introduced.

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  • 最后4 -甲基烟酸应用进一步研究给予展望。

    Finally, the prospect of the application and further research of 4-trifluoromethyl nicotinic acid was given.

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  • 三氟甘露糖为新型诊断试剂原料广泛用于PET诊断中。

    Mannose triflate is a raw material of Diagnostic agent which has been used in PET-Diagnose.

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  • 综述了静电粉末喷涂用聚氯乙烯性能合成方法市场价值

    In this paper, the performance, synthetic method and market value of PTFCE for electrostatic powder spraying were summarized.

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  • 介绍不饱和2 -三氟甲基丙烯酸制备方法应用情况。

    Various method of preparation and application of 2-trifluoromethyl acrylic acid, which is an unsaturated acid containing-fluorine, are reviewed.

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  • 邻位、间位、对位甲基苯酚都是重要医药农药染料中间体

    The o-, m-, p-trifluoromethyl phenol were important intermediates in medicines, pesticides and dyes.

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  • 三氟-2,2,1 -氯乙烷催化加氢氯制取三氟氯乙烯方法

    Method for preparing trifluorochloroethylene by catalytic hydrogenation and dechlorination of 1, 1, 2-trifluoro-2, 2, 1-trichloroethane through.

    youdao

  • 这种混合物中包含带正电荷离子负电荷的聚三氟甲基磺胺离子。

    This compound consists of positively charged potassium ions and negatively charged trifluoromethylsulfonates.

    youdao

  • 报道高效除草剂磺隆中间体2-巯基-3-三氟甲基吡啶的合成方法。

    The synthesis of the intermediate 2-mercapto-3-trifluoromethylpyridine which was highly active herbicide flazasulfuron was reported.

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  • 通过试剂方法,合成甲基苯基环已基化合物,反应率在到60%。

    Synthesis of phenylcyclohexane trifluoromethyl ketones by lithium reagent is studied and the yield of reaction is 60%.

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  • 然后,利用CFD商用软件FLUENT进行三氟甲烷灭火系统模拟方法研究

    Than, study the simulating method of trifluoromethane fire extinguishing system by FLUENT, the commercial software of CFD.

    youdao

  • 发明涉及一种负载三氟甲磺酸SBA-15介孔材料及其制备方法应用

    The invention relates to an SBA-15 mesoporous material loaded with zinc trifluoromethanesulfonate and a preparation method and application thereof.

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  • 其中通过催化对称转化手性三氟甲基化合物是合成类化合物的重要策略之一。

    One of the applicable strategies for construction of these moleculars is asymmetric transformations of prochiral trifluoromethylated compounds.

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  • 以对三氟甲基苯胺为原料,经重氮化、化、水解制得对甲基苯甲醛收率35

    The starting reagent, p-trifluoromethylaniline, was subjected to diazotization, oximation, and hydrolyzationto synthesize p-trifluoromethyl benzaldehyde, with a total yield of 35.

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  • 然后研究三氟甲磺酸镱催化的胺和乙酸乙酯的反应,从而合成了乙酰苯胺类化合物。

    Objective:To study the anti tumor effects of Sorbaria sorbifolia ethyl acetate extract and its mechanism.

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  • 接着,转而服用三氟这是另一种历史悠久的药品。 该药使病情稳定时期。

    She was switched to Stelazine (phenothiazine), another older drug, which stabilised her condition for a while.

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  • 各种含有芳基三氟磺酸催化量和膦体的存在下与或酰胺发生取代反应。

    Various aryl triflates, bearing ketone or aldehyde groups, were evaluated for palladium-mediated introduction of an amino group at the triflate position in the presence of various phosphine ligands.

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  • 胰岛素引起的休克形容成是酷刑”,的头脑不清醒归咎三氟拉嗪(事实的确如此)。

    He described the insulin shock as "torture," and blamed Stelazine for making him "foggy" (both true).

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  • 通常共聚物中含单元原子数目来表示,橡胶23乙烯三氟氯乙烯的共聚物

    Usually fluorinated copolymer unit, said the number of fluorine atoms, such as fluorine rubber, 23, is a vinylidene fluoride copolymers with chlorotrifluoroethylene.

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  • 三氟碘甲烷具有良好环境性能安全性能灭火、制冷、发泡医药等领域有着广阔的应用前景

    FIC-1311 has well protected environment, showing that which have good application prospects in the extinguishing, refrigeration, foam blowing agents, and medication.

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  • D-(-)-果糖为性源,经过丙酮保护氧化选择性脱保护、三氟酰化反应得到手性4

    Chiral ketone 4 derived from D-(-)-fructose was obtained by four steps reaction including protection with acetone, oxidation, deprotection selectively and trifluroacetylation.

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  • 取代2'3'-二脱氧-5-三氟甲基尿嘧啶核苷类,它们制备方法以及它们医药方面的应用

    Substituted 2', 3'-dideoxy-5-trifluoromethylur idines, processes for their preparation and their use in medicaments.

    youdao

  • 取代2'3'-二脱氧-5-三氟甲基尿嘧啶核苷类,它们制备方法以及它们医药方面的应用

    Substituted 2', 3'-dideoxy-5-trifluoromethylur idines, processes for their preparation and their use in medicaments.

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