反应速率

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。

Immature source rock ; fatty acid ; carbonate ; mineral catalysis ; reaction rate constant ; active energy

未熟烃源岩；脂肪酸；碳酸盐；矿物催化；反应速率常数；活化能

Under 300 W medium mercury lamp, the quantum yields of petroleum hydrocarbons at 365 nm were determined by potassium ferri-oxalate actinometer. And their reaction kinetics constants were measured too.

并采用高光密度法，以K3Fe(C2O4)3做光露计，300W中压汞灯为光源，在365nm波长处测定石油烃类的反应速率常数和量子产率。

In the chapter 2, the Claisen-Schmidt reaction was carried out in glass microfluidic chips with two Y-shaped inlets. The effect of interfacial area on the rate of phase transfer reaction was studied and discussed.

第二章首次在玻璃流流控芯片中进行了Claisen-Schmidt缩合反应的研究，讨论了两相间的接触面积对反应速率和转化率的影响。

Kinetics of hydroxyl-terminated polybutadiene/ phenyl isocyanate, bonding agent (BA-5)/PI and antioxidant H/PI were studied in toluene/dimethyl sulphoxide solution. The rate constants and the activation parameters were calculated. The results show that the reactionary rate of these three active hydrogen components decreased in same condition.

分别对端羟基聚丁二烯/苯异氰酸酯，键合剂(BA-5)/PI和防老剂H（N，N'-二苯基对苯二胺）／PI在甲苯／二甲基亚砜混合溶液体系中进行了反应动力学研究，计算了相应体系的反应速率和活化能。

In addition to the nature of the reactants outside the concentration, temperature and catalysts are also affected the reaction rate of the important factors.

除了反应物的性质以外，浓度、温度和催化剂也是影响反应速率的重要因素。

In this paper, the principle of the application of the lime and the lime stone to the wet-FGD and CFB desulphurization ,the factors that influence the reaction velocity are introduced.

着重对石灰石用于石灰石—石膏湿法脱硫和CFB锅炉脱硫的原理、影响反应速率的因素以及石灰石品质对两种脱硫工艺的影响进行了分析，并对石灰用于脱硫反应的原理及其品质对脱硫工艺的影响进行了探讨。

A kinetic model of HDS is established according to a second-order kinetics model at various reaction temperatures. The parameters of the model are calculated.

采用2级平推流反应动力学模型对不同温度实验数据进行了拟合，求得了不同温度的表观反应速率常数，模型的相关系数＞0.989。

LabVIEW 7.0 Express-based program for determining second-order reaction rate constant by electric conductivity is designed. It can process the data with both equality and inequality of initial concentrations, avoiding complex process of manual processing data and personal error produced in data processing by handwork and improving veracity and repeatability of the experiment results.

研制了基于LabVIEw 7.0 Express的处理电导法测定二级反应速率常数实验数据程序，对反应物初始浓度相等和不等条件下均可处理，避免了人工处理数据的复杂繁琐过程及人工处理过程中的人为误差，提高了实验结果的准确性和重现性。

Because the rate of ET and HT reactions is determined by the coupling term J, and in long range ET and HT systems the degeneracy of the π orbitals of donor and acceptor is lifted through mixing with the bridge orbitals of appropriate symmetry by an amount △E. Because the △E splittings are proportional to electronic coupling, so we can use the static quantity △E to exploring the dynamic quantity J, and to make a detailed study on the microscopic influence of coupling mechanism in ET and HT process.

由于电子转移和空穴转移反应速率的大小决定于反应的耦合因子，在长程电子转移和空穴转移体系中，给体和受体的简并π轨道由于与饱和桥之间的TB作用而产生一定的分裂能，此分裂能又与耦合因子的数值成正比，因此，我们可以用静态的分裂能数值间接地表征动态的耦合因子，从而详细研究电子转移和空穴转移过程中耦合机理的微观影响因素。

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％。