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The kinetics of PenG hydrolysis catalyzed by penicillin amidase entrapped in the reversed micelles was studied.
研究了青霉素酰化酶在AOT/异辛烷反胶团体系中催化PenG水解反应的动力学。
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The thermal inactivation of penicillin amidase entrapped in AOT/isooctane reversed micelles was studied in detail.
研究了青霉素酰化酶在二-(2-乙基己基)琥珀酸双酯磺酸钠/异辛烷反胶团中的稳定特性。
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In this thesis, the dynamic course of penicillin G hydrolysis to 6-aminopenicillanic acid (6-APA) with penicillin amidase entrapped in the bis (2-ethylhexyl) sulfosuccinate /isooctane reversed micelles was studied.
本文主要研究青霉素酰化酶在反胶团体系中催化青霉素G水解的反应过程,并对反胶团介质中酶的稳定特性、反应动力学以及反应器开发等方面进行了较为系统的研究。
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It is existed competitiveness inhibition of 6APA, non-competitiveness inhibition of PAA and substrate inhibition of Penicillin on the hydrolysis of benzylpenicillin to 6APA and PAA by an immobilized penicillin amidase. The heat conductive coefficients were determined on the vacuum elevation liquid membrane concentration. The thermodynamics and kinetics of PAA extraction were studied on the organic solvent extraction of the above solution.
研究证明固定化青霉素酰化酶裂解反应是典型的底物、产物抑制酶反应,其反应动力学数据表明,青霉素、苯乙酸以及6APA对反应分别存在底物抑制、非竞争性抑制和竞争性抑制;真空升膜浓缩适应热敏性以及粘度不大的物系,对于6APA水溶液的真空升膜浓缩过程研究得到了浓缩实验的传热系数;浓缩液萃取主要是提取出其中的苯乙酸,本文测定了不同温度以及溶剂条件下的苯乙酸溶解度,并观测了苯乙酸萃取动力学。
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The recognition properties of these amide derivatives for several kinds of metal ions were studied with UV-Vis spectroscopy.
利用紫外-可见光谱研究了它们对不同金属离子的识别作用。
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The effect of content of water on the yield of 2-phenylbenzamide by using sodium amide to cleave fluorenone was studied.
研究了水分含量对氨基化钠裂解芴酮制备2-苯基苯甲酰胺收率的影响。
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More than ten pyrrolic amide compounds have been synthesized, their crystal structure and anions recognition are also studied in this dissertation.
本文以吡咯酰胺为研究对象,合成了十多种吡咯酰胺化合物,研究了它们的晶体结构及对常见无机阴离子的识别。
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In this artical,the yeast was modified with several chenical methods such as acidification and dried at different temperature,the acetone processing,sodium hydroxide processing,esterification and cover up the amidogen,and studied it to adsorb the copper ions .
采用酸化并在不同温度下烘干、丙酮处理、氢氧化钠处理、酯化及掩蔽氨基等化学方法对酵母菌进行修饰处理,分别研究其对铜离子的生物吸附情况。
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Then Doripenem came into the market in the July ,2005. We studied the synthesis of Doripemen.Firstly, we synthesized the chemical 2 from the starting material------o-hydroxylphenylacylamine through Reformastky reaction, alkylation, Diekmann reaction, enolization, esterification and etc. Secondly, we synthesized the chemical 3 from L — hydroxylproline through the protection of carboxyl, amidogen and hydroxyl group, reduction by NaBr, SN_2 substitution and Mitsumobu reaction.
我们以水杨酰胺为起始原料,经Reformatsky反应、烷基化、Diekmann环合、烯醇化、酯化等反应合成双环母核2;再从L-羟基脯氨酸出发,经酯化保护羧基、保护氨基、保护羟基、硼氢化还原酯得醇、Sn2取代和Mitsumobu反应等合成巯基侧链3;最后由化合物3经脱保护、水解得硫醇,和化合物2在二异丙基乙基胺的作用下缩合,最后Pd/C催化脱保护,历经16步反应最终得到产物多尼培南。
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Electrosynthesis of α-alanine by reductive amination of pyruvic acid has been studied in this research. Technical parameters, separation method, and reaction mechanism have been investigated.
本论文研究了由丙酮酸的还原氨基化电合成丙氨酸的工艺参数、产物分离和反应机理。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力