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370590075

新虫 (初入文坛)

[求助] 求大神翻译下,汉译英 论文摘要

摘要:对甲苯胺,英文名称:4-Toluidine,是染料、医药和农药的重要中间体。本文以对硝基甲苯,硫化钠,硫为原料制备对甲基苯胺。从反应时间,多硫化钠溶液滴加时间,反应温度,物料配比研究反应的优化条件。优化条件:反应物料按:硫化钠:硫:对硝基甲苯=1:2:1.5(摩尔比),反应温度控制在85℃左右,滴加时间为1.5h,反应时间为2h。在上述条件下反应能得到较高的收率。
关键词:对甲苯胺;对硝基甲苯;硫化钠;优化条件;
船到桥头自然直!
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xiao_hu

木虫 (著名写手)

Tiny

【答案】应助回帖

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370590075: 金币+5, 翻译EPI+1, ★★★★★最佳答案, 谢谢! 2013-04-16 20:33:05
Abstract:Toluidine Name :4-Toluidine, important intermediates for dyes, pharmaceuticals and pesticides.Preparation of methyl aniline nitro toluene, sodium sulfide, sulfur as raw material.From reaction time, sodium polysulfide solution dropping time, the reaction temperature, the optimization of material ratio Studying  the optimization conditions of reaction .Optimal conditions: reaction materials: Sodium: sulfur: nitrotoluene = 1:2:1.5 (molar ratio),The reaction temperature was controlled at about 85 ℃, dropping time 1.5h, the reaction time is 2h.Reaction under the above conditions can be obtained in a high yield.
Key words :Toluidine; nitro toluene; sulfide; optimal conditions
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2楼2013-04-16 14:58:51
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