查询词典 kinetics

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。

The previous research, in which macro-kinetics of ammoniation of phosphoric acid was measured in a double magnetic stirring reactor,found that the reaction between wet phosphoric acid and gaseous ammonia was a rapid reaction controlled by the gas-film mass transfer.

本文采用数学模型法，根据氨化反应过程的机理，通过小试建立数学模型并经合理简化，再通过中试对模型进行修正和完善，最后用工业大装置加以验证，使所得的模型可用于工业放大。

A reaction pathway for ammonolysis of O,O-dimethylphosphorochloridothioate without catalyst was proposed,based on the reaction mechanism of acyl halide ammonolysis ,and the pseudo-homogeneous reaction kinetics were founded.

模型表明：在反应前期，O，O-二甲基硫代磷酰氯浓度对速率影响很小，反应速率呈拟一级反应特征；但在反应后期，反应速率呈明显的二级反应特征。

The kinetics of tertamyl methyl ether synthesis using C5 fraction of FCC gasoline was studied. The molar ratio of tertiary amylene to methanol was 1.0 and the kinetic experimental data was obtained at the temperature range from 55℃ to 90℃.

研究了FCC汽油中C5馏分合成甲基叔戊基醚的宏观动力学。C5原料与甲醇摩尔比为1/1，在温度分别为55℃~90℃时反应得到了动力学实验数据。

The proposed treatment for the temperature integral and the consequent analytical model for isochronal transformation kinetics have been proved to be more effective than the previous model especially in a narrow temperature interval by numerical method.

结果表明，特别是在具有较小转变温度范围的非晶合金体系中，改进的等时晶化模型和多峰转变模型均具有较高的精确度。

The kinetics on the hydrogenation of maleic anhydride to succinic anhydride has been studied.

在反应条件考察的基础上，对顺酐均相加氢生成琥珀酸酐的反应动力学进行了研究。

Our results show that the surface antigen kinetics differences in different patients may be related to different genotypes.

我们的研究表明，不同的患者存在HBsAg动力学方面的差异，可能与患者的不同基因型有关。

Here I'd like to emphasize that surrealism at first was definitely not a taste, style or aesthetic, but a form of creative kinetics. Guillaume Apollinaire said,"When man wanted to make a machine that would walk he created the wheel, which does not resemble a leg.".

我想顺便强调的是，超现实主义最初并不是一种趣味、风格或者美学，而是一种创造动力学，为此，阿波利奈尔说，"人当初企图模仿行走，所创造的车轮子却不象一条腿。"

We have also studied the kinetics of the cyclohexene epoxidation catalyzed by 2 with TBHP and the apparent reaction order, frequency factor and activation energy are obtained.

本文对该反应的动力学及热力学性质也进行了研究，确定了表观反应级数、速率常数和反应活化能。

Objective To study the degradation kinetics of azithromycin in aqueous solution.

目的 研究阿奇霉素在水溶液中的降解动力学，为阿奇霉素液体制剂的开发提供参考。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。