查询词典 sulfuric acid
- 与 sulfuric acid 相关的网络例句 [注:此内容来源于网络,仅供参考]
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If even a trace of benzilic acid remains the sulfuric acid will turn red.
微量的benzilic酸会把硫酸变成红色。
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Benzothiophene was selected as model sulfide and dissolved in n-octane to form model diesel, hydrogen peroxide/formic acid/sulfuric acid were used as the oxidative system.
在苯并噻吩/正辛烷配成的模拟柴油中,以过氧化氢/甲酸/硫酸作氧化脱硫体系,考察了硫酸的催化性能以及反应条件对氧化脱硫率的影响。
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Activation with dilute chloric acid or sulfuric acid solution was adopted as pretreatment of traditional citric gold plating .
传统的柠檬酸盐镀金工艺前处理采用稀盐酸或稀硫酸活化,活化液可能被带入镀金溶液,造成SO2-4、Cl-积累,严重影响柠檬酸镀金溶液的稳定性和镀层质量。
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Diglycol diacetate had been obtained with sulfuric acid or toluene-p-sulfonic acid as catalyst in lab.
研究了在实验室条件下,以硫酸、对甲苯磺酸为催化剂合成二甘醇二醋酸酯的方法。
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Glyoxylic acid was prepared by reaction of sodium hydroxide surplus with methyl dichloroacetate in methanol solution via neutralization of filtrate with 50 percentage sulfuric acid to pH 2~3 and hydrolyzation after separation of salts.
二氯乙酸甲酯和过量的氢氧化钠在甲醇溶液中反应,滤出氯化钠后,直接加入适量的 5 0 %的硫酸调 pH值为 2~ 3,滤出硫酸钠,蒸馏回收甲醇,水解、浓缩,得到不含乙二醛的 4 0 %乙醛酸溶液。
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Synthesis methods of bisphenols catalyzed by sulfuric acid, ion exchange resin IER and heteropoly acid were studied in this thesis.
本文研究了硫酸、离子交换树脂和杂多酸用作催化剂合成双酚的方法。
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Bromooctane was synthesized from industrial hydrobromic acid(48%) and n-octanol using concentrated sulfuric acid as catalyst.
以工业废氢溴酸(48%)为原料,在浓硫酸存在下,与正辛醇进行反应合成1-溴辛烷。
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Butyl bromide was synthesized from hydrobromic acid(48%) and 2-butylalcohol by adding concentrated sulfuric acid.
以质量分数为48%的氢溴酸水溶液、仲丁醇为反应原料,浓硫酸为催化剂合成仲溴丁烷,考察了反应原料和催化剂用量以及反应时间对产率的影响。
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Bromododecane was synthesized from n-dodecyl alcohol using byproduct hydrobromic acid from 1-bromoadamantan process as raw material in the presence of the concentrated sulfuric acid.
以生产溴代金刚烷得到的副产品氢溴酸为原料,在浓硫酸存在的条件下与正十二醇进行反应合成1-溴代十二烷。
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In this paper, initiator is dissolved in 1-bromopropane which is solvent. Then the propene and hydrogen bromide that can be dissolved in 1-bromopropane are inlet in l-bromopropane when initiator is decomposing. The reaction occurs in fluid phase and high-purity 1-bromopropane is synthesized by one step method. In this paper, the material HBr is synthesized with NaBr and sulfuric acid at the presence of hydrobromic acid.
本论文以1-溴丙烷为溶剂,将引发剂溶于其中,加热到引发剂开始分解时再通入丙烯和HBr,使二者溶解于1-溴丙烷中,在液相中进行反应,实现丙烯&一步法&合成高纯1-溴丙烷利用NaBr与硫酸在氢溴酸存在下反应制备HBr气体,以作为合成1-溴丙烷的原料。
- 推荐网络例句
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I didn't watch TV last night, because it .
昨晚我没有看电视,因为电视机坏了。
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Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.
今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。
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I'm running my simile to an extreme.
我比喻得过头了。