1) decarboxylative elimination
脱羧消除
2) decarboxylation
[英][,di:kɑ:,bɔksə'leiʃən] [美][,dikɑr,bɑksə'leʃən]
脱羧
1.
Synthetic methods of α, β-unsaturated ketones by decarboxylation of β-keto carboxylates in the presence of palladium complex catalyst were introduced.
介绍了以钯为催化剂,β-酮酸丙烯基酯脱羧制备α,β-不饱和酮的方法,并对溶剂、配体的选择性,反应机理及其应用进行了简单综述。
2.
(S)-1-(1-Phenylethyl)-4-piperidone(Ⅰ) was prepared from (S)-1-phenylethylamine and methyl acrylate through Michael addition,Dieckmann cyclization and decarboxylation.
该文以(S)-1-苯乙胺、丙烯酸甲酯为原料,经Michael加成,Dieckmann环合,脱羧,合成了(S)-1-(1-苯基乙基)-4-哌啶酮。
3.
1-Methyl-4-piperidone was obtained from a methanol solution of methylamine and methyl acrylate through Michael addition,Dieckmann cyclization and decarboxylation.
以甲胺的甲醇溶液和丙烯酸甲酯为原料,经Michael加成、Dieckmann环合和脱羧反应合成得到了1-甲基-4-哌啶酮,并对各步反应的工艺参数进行了优化,在n(丙烯酸甲酯)/n(甲胺)=2。
3) get rid of
除去;丢弃;扔掉;摆脱;消灭
4) removal
[英][rɪ'mu:vl] [美][rɪ'muvḷ]
脱除
1.
Experimental study on removal of PM_(2.5) from combustion by vapor heterogeneous condensation;
应用蒸汽相变机理脱除燃烧源PM_(2.5)试验研究
2.
Investigation of removal of low concentration hydrogen sulfide on impregnated activated carbon;
浸渍活性炭脱除低质量浓度H_2S性能的研究
3.
Study on removal of low concentration of SO_2 by cellulose-based activated carbon fiber;
粘胶基活性炭纤维用于低浓度SO_2常温脱除的实验研究
5) remove
[英][rɪ'mu:v] [美][rɪ'muv]
脱除
1.
The approach by which cholesterol is removed from food with cholesterol oxidase has become a challenging research objective.
综述了利用胆固醇氧化酶脱除食品胆固醇的国内外研究现状,重点评价了在不同反应条件下该酶降低蛋黄、乳、猪油等食品中的胆固醇的效果和在食品中应用的安全性,并针对这些研究的成果提出了今后这一研究领域尚需解决的主要问题。
2.
We find the best adsorbent and processing that remove the ethylene and make the content of ethylene not exceeding 10×10~(-6), the last purified gas return the controlled atmosphere storage.
通过对本课题的研究提供了吸附脱除C2 H4的最佳吸附剂和工艺流程 ,使气调库保鲜气体中的C2 H4降至≤ 10ppm ,再将净化气返回气调库循环使用 ,这样可以降低果蔬保鲜的成本 ,具有广阔的市场前
3.
The remove degree of CH 3OH and CO 2 by different adsorbents has been compared.
测定了数种吸附剂在不同条件下（主要是低温下）对微量 Ｃ Ｈ３ Ｏ Ｈ 和 Ｃ Ｏ２的吸附和再生情况，比较了不同吸附剂对 Ｃ Ｈ３ Ｏ Ｈ和 Ｃ Ｏ２ 的脱除精度，为工业深度脱除 Ｃ Ｈ３ Ｏ Ｈ 和 Ｃ Ｏ２ 提供了实验依
6) removing
[英][ri'mu:v] [美][rɪ'muv]
脱除
1.
Research on Removing Tellurium from Copper Anode Slime by Process of Acid Leaching under Pressure;
加压酸浸从铜阳极泥中脱除碲的研究
2.
Application of membrane gas absorption technology in removing acid gas;
膜吸收技术及其在脱除酸性气体中的应用研究
3.
Process research of removing arsenic and iron in copper sulfate;
硫酸铜脱除砷、铁的工艺研究
补充资料：胺前体摄取和脱羧化细胞肿瘤
胺前体摄取和脱羧化细胞肿瘤
apudoma
简称“APUD肿瘤”。指发生于APUD细胞的肿瘤。APUD肿瘤分泌、释放激素多于正常时，即产生临床症状。不同性质的激素引起不同的临床表现。APUD肿瘤可以发生在含有APUD细胞的不同腺体或器官。肿瘤按照所分泌的激素命名。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条