1) decarboxylation percentage
脱羧率
1.
The results show that the decarboxylation percentage of Liaohe ro.
结果表明 ,对于辽河生油岩样 ,Na2 SO4 作用下的十八烷酸的矿物催化脱羧率最高 ,其次为KCl,NaCl,MgCl2 。
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) decarboxylase
[英][,di:kɑ:'bɔksəleis] [美][,dikɑr'bɑksə,les, -,lez]
脱羧酶
1.
In Chlamydia pneumoniae AR39,it was shaved that a conserved protein NP__444977 had similar effect to 4-hydroxybenzoate decarboxylases through BLAST analysis.
来源于肺炎衣原体AR 39的蛋白质NP_444977其功能未知,但BLA ST分析表明此蛋白质可能具有4-羟基苯甲酸脱羧酶的活性。
2.
1009 decarboxylase.
1009)中的赖氨酸脱羧酶对其进行生物转化,可制备D-鸟氨酸盐酸盐,收率为45。
4) carbonization-decarboxylation
碳化脱羧
1.
Adopting carbonization-decarboxylation and sulfuric acid absorption technology,nicotine can be extracted from tobacco of inferior quality.
在密闭容器中,控制温度540～550℃,使低、次烟叶碳化脱羧。
5) decarboxylation
[英][,di:kɑ:,bɔksə'leiʃən] [美][,dikɑr,bɑksə'leʃən]
脱羧反应
1.
Study on the Decarboxylation of 2-Keto-gluconic Acid;
2-酮基-D-葡萄糖酸加热脱羧反应的研究
2.
In this thesis,the author first pointed out the cause m which decarboxylation can happen and then Sammarized the Mechamsms of i-onic reaction and free redical reaction.
首先指出脱羧反应发生的原因，继而论述其反应的历程——离子型反应和游离基反应历程。
6) decarboxylation
[英][,di:kɑ:,bɔksə'leiʃən] [美][,dikɑr,bɑksə'leʃən]
脱羧作用
1.
The hydrothermal reaction of 4,4′-bipyridine-2,2′,6,6′-tetracaboxylic acid(H4L) with MnCl2·4H2O and NH4VO3 gave an unexpected monocuclear vanadium complex [VO2(H2L′)·H2O],in which a new ligand of 4,4′-bipyridine-2,6-diacaboxylic acid(H2L′) was formed from the decarboxylation of H4L.
H2O],其中配体(H4L)发生脱羧作用生成新配体4,4′-联吡啶-2,6-二羧酸(H2L′)。
补充资料：胺前体摄取和脱羧化细胞
胺前体摄取和脱羧化细胞
amine precursor uptake and decarboxylation cell
简称“APUD细胞”。指在生物化学和细胞化学上具有以下共同特性的细胞，即能够摄取胺的前身物质，脱去其羧基，并转为具有活性的胺或肽。它所产生的活性胺类物质和活性肽类物质能够发挥激素或神经介质的作用。APUD细胞不仅存在于胃、肠、胰，下丘脑、脑垂体、甲状腺、动脉体、胸腺、肺、肾上腺髓质、交感神经节等部位也同样有APUD细胞，构成APUD系统。
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