反应速率

In this paper, a modified lagrangian test is used to measure the shock initiation pressure histories of the solid propellant. A new high accuracy chemical reaction rate equation is proposed by the global calibration on the basis of lagrangian analysis.

在固体推进剂的冲击起爆研究中，本文采用了改进的拉格朗日测量方法对起爆过程中的压力史进行了测量，得到了物理意义明确的化学反应速率方程，通过反应区整体标定方法，提高了固体推进剂本构方程的精度。

Chlorophenol (4-CP) solution was treated by US/UV synergetic catalysis technology and the major influencing factors such as the sound intensity, initial pH value of solution, initial 4-CP concentration, the amount of catalyst and medium temperature were examined in this paper.

选择掺杂过渡金属离子Fe3 +的纳米TiO2 为催化剂，研究了US UV协同催化氧化水中对氯苯酚(4 CP)的降解效果，考察了对氯苯酚的起始浓度、超声波声强、溶液初始pH、饱和气体种类、反应温度和催化剂投加量对氯苯酚降解速率的影响。

It is a surprise that the rate constant of two closed shell molecules might be as fast as a radical reaction.

令人不能预期的是两个closed shell的分子，其速率常数可能像自由基反应一样快。

Secondly,the Popescu method was adopted to do further screening by virtue of linear correlation coefficient of regression calculation.

首先分析反应发生的过程，对机理函数作初步筛选；然后采用Popescu法通过函数拟合的线性相关度对机理函数作进一步的推断；最后采用单个扫描速率的微分法与等转化率法相结合的方法，以活化能为判据确定最概然机理函数。

Therefore this work mimicked this process for the first time by using macrocyclic complex. The quantity of absorbed oxygen and the absorption rate of oxygen were determined.

本文首次用大环配合物对这一过程进行了模拟，并测定了氧化反应中的吸氧量和吸氧速率常数。

According to phase change theory of thermodynamics, the condensation conditions of reacting solid products are concluded and the productivity and critical size of condensation nucleus are given.

根据热力学相变理论，总结了反应固相生成物发生凝结的条件、凝结核的生成速率和临界尺寸。

The apparent velocity constant of photocatalytic degradation increased with the increase of initial concentration and then decreased.

光催化降解反应的伪一级速率常数随初始浓度的增加先升后降。

A large amount of experimental work on the rate constants of these r...

有很多的实验工作测量这些反应的速率常数，但相应的理论研究非常少。

The results show that the temperature dependence of rate constants is complicated.

结果表明，整个反应的速率常数受温度的影响较为复杂。

Conversion and selectivity of catalytic reactions as well as the deactivation rate of the catalyst itself is very temperature-sensitive.

催化反应的转化率和选择性以及催化剂本身的失活速率均对温度十分敏感。

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％。