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- Methyl-furoate is synthesized from furfural by Cannizzaro reaction,acyl chloride reaction and esterification. It showed that the time of esterification is only 2.5 hours and the yield can reach 85.0%. 以糠醛為起始原料;通過(guò)康尼查羅反應、酰氯化和酯化反應合成了糠酸甲酯;實(shí)驗結果表明:酯化反應時(shí)間2.;5h;糠酸甲酯收率可達85
- ferric chloride reaction of adrenaline [醫] 腎上腺素三氯化鐵反應
- Keywords potassium dichromate back titration chromyl chloride rock salt determination of chloride; 重鉻酸鉀;返滴定法;氯化酰鉻;巖鹽;氯測定;
- The effect of properties of isotactic polypropylene on Chloridizing reaction and Basic Characteristic of Chloridizing reaction are discussed. 探討了等規聚丙烯原料性質(zhì)對氯化反應的影響,同時(shí)研究了氯化反應的基本特征。
- The result shows that high MI and Small size of Polypropylene is favourable to chloriding reacfion, Chloriding reaction rate reduces gradually with increase of Chlorinated degree. 結果表明,原料等規聚丙烯的熔融指數高、粒度小,有利于進(jìn)行氯化反應。
- chromyl chloride rubber 鉻酰氯化橡膠
- Propylene oxide, ethylene oxide, phosphoryl chloride reaction product; 名稱(chēng) 甲基環(huán)氧乙烷與環(huán)氧乙烷磷酸酯的聚合物;
- chromyl chloride 鉻酰氯
- Could I ask for your reaction to this policy? 我能問(wèn)一下您對這個(gè)政策的反應嗎?
- A reactor is a container for chemical reaction. 反應器是進(jìn)行化學(xué)反應的容器。
- I'm displeased at your reaction. 我對你的反應很不滿(mǎn)意。
- The forces of reaction made reform difficult. 反動(dòng)勢力給改革造成了困難。
- His reaction on this matter is unexpected. 沒(méi)料到,他對這件事的反應是這樣的。
- A sharp reaction; a repercussion. 強烈反應后果,影響
- Their reaction was one of qualified praise. 他們的反應是一種有保留的稱(chēng)贊。
- His initial reaction was one of shock. 他最初的反應是震驚。
- The reaction of the audience was instantaneous. 觀(guān)眾即刻有了反應。
- What was his reaction to the plan? 他對這個(gè)計劃有什么反應?
- The medicine produced a violent reaction. 這藥物引起了劇烈的反應。
- The salt lithium chloride is hygroscopic. 氯化鋰鹽具有吸濕性的。