查询词典 reaction rate

The rate constants of the reaction of α-tocopheroxyl radical with linoleic acid,〓, were determined to be 0.43 and 0.60〓 in SDS and CTAB micelles respectively by using stopped-flow EPR technique, which are in good agreement with the results obtained from the computer simulation.

同时，通过停止-流动的EPR方法我们测定了α-生育酚自由基在SDS与CTAB胶束中与底物亚油酸的反应速率常数〓分别为0.43与0.60〓，与我们通过计算机模拟得到的值比较接近。

In vitro, the acrosome reaction of sperm does not influence the ovum fertilization rate.

在体外，精子顶体反应率的高低与卵子受精率没有明显的相关性。

Objective: To study the effect of uPAR on human sperm viability, motility rate, and acrosome reaction.

目的：探讨uPAR在维持精子活力、活率以及参与顶体反应过程中的作用。

This process was affected by many factors such as different conditions of pressure, heating rate, reaction time and addition of catalyst.

停留时间5min的条件下，对稻草在加入不同催化剂条件下的反应进行实验研究。

During solid-state polycondensation of crystaHine nylon 66 salt(Hexamethylenediam-monium adipate) the mechanism of reaction,crystalline morphologies and the relations of thermal behaviour to the thermal history for the nasent nylon 66 have been studied by the use of a number of techniques including determination of conversion rate and of intrinsic viscosities,IR,polarized light microscopy,SEM and DSC.

采用测定转化率和特性粘数、红外光谱、偏光显微镜、扫描电镜和DSC等方法，研究了结晶尼龙66盐固态缩聚过程的反应历程、初生态尼龙66的结晶形态及其热行为与热历史的关系。

This would indicate that the reaction between OH〓 and methanol adsorbate on Pt-Ru is the rate determining step.

这似乎意味着在Pt-Ru电极上甲醇吸附物氧化的决速步是吸附物与吸附的OH根之间的反应。

This paper reviews the kinetic mechanism of acetylcholinesterase, illustrates the principle and application of the kinetic parameters such as Michealis-Menten affinity constant Km, maximum reaction velocity Vmax, turnover number Kcat, bimolecular rate constant Ki, affinity constant of the inhibitor for the a ctive site Ka, phosphorylation or carbamylation rate constant K2, and discusses the potential practical application benefiting from the study of the kinetic analysis.

综合评述了AChE的动力学机制的发展状况，着重介绍了米氏常数Km、最大反应速率Vmax、转换率Kcat、双分子速率常数Ki、抑制剂化合物对AChE活性部位的亲和力常数Ka、磷酸化或氨基甲酸化速率常数K2，这些动力学参数的原理及其应用状况，探寻了动力学机制将带来的实际应用。

Cases were studied with this new therapy method,contrasting to the traditional thread- drawing method. The cure rate .relapse rate,healing time , postoperation reaction, sequelae and the prssure of the anal canal were abserved.

并与传统的挂线疗法进行对照，就其治愈率、复发率、治愈时间、术后反应、后遗症及肛管压力的变化等进行对比研究。

The structure and graft rate of the graft polymer were determined by means of IR spectra and acid-base titrations, the effect of content of POE, MAH, DCP and reaction temperature on graft rate were studied in detail.

通过红外光谱确定了接枝物的结构，采用酸碱滴定法测定了产物的接枝率，详细研究了POE、MAH、DCP用量及反应温度等对接枝率的影响规律。

The effects of the sodium bisulfate dosage, reaction temperature, water content, methanol flow rate on the conversion rate of waste oils were investigated.

考察了硫酸氢钠用量、反应温度、反应体系含水量、甲醇流量等对酯化反应转化率的影响。

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％。