reaction velocity

3-D velocity analysis fast reaction velocity;

三维速度分析（3）钠水反应迅速；

Effects of reactor high aspect ratio, reaction temperature, space velocity and reaction time on reaction performance were examined.

考察了高/径比、反应温度及反应时间对反应性能的影响.反应活化能较高；

The effects of reaction temperature, space velocity, solvent amount, and by-products on hydration reaction are investigated.

实验考察了反应温度、C4空速、溶剂用量及副产物对水合反应的影响。

The related monomers and their model compounds for polymers were synthesized, then their reaction velocity constants were determined.

首先合成了有关的单体及二聚体的模拟化合物，然后进行了反应速率常数的测定。

It indicated that the parental occupational exposure to TNT may affect the visual development and drop visual reaction velocity.

父母生育期职业暴露TNT对子代的视力及视反应时可能有一定的影响。

Because of emitting off mass heat, polymerization is done under low temperature conditions in order to fall reaction velocity and get high molecular weight.

聚合α&烯烃散热量大，采用本体聚合方法必需解决好此问题，这就需要在低温条件下聚合，控制反应速度，提高产物分子量。

It is also found that increasing the space velocity favor methanation reaction, inhibit water gas conversion reaction. There was not obviously effect on space-time yield of liquid hydrocarbons.

此外，增加空速有利于甲烷化反应，抑制了水气转化反应，对液态烃类产率影响不大。

Measurements taken in the lysozyme concentration range 0.5 4 U/ ml showed a linear dependence of the reaction velocity on the enzyme concentration.

酶浓度在0.5～4U/ml范围内，酶反应速度与酶浓度成线性关系。

Reliable reaction condition has been developed for acidic hydrolysis of ginkgo extract: the reaction temperature is 70~ 71 ℃, reaction time 4 h and stirred at a low velocity.

提出了定量分析银杏提取物中黄酮甙含量的酸水解反应条件：反应液温度70～71℃、反应4h、低速搅拌。

The results show that heat loss at the entrance of helium influences the steam reformer performance remarkably, and reaction velocity is not main factor influencing the performance.

研究结果表明：重整器氦气入口的散热损失对重整器性能有明显影响，而化学反应速度则不是影响其性能的主要因素。

Initial reaction velocity for hydrogenation of nitrobenzene was 60 times higher on the nanoparticle nickel catalyst than on Raney nickel catalyst.

该种纳米镍对硝基苯催化加氢的初始速率比雷尼镍高69倍。

Model of desulphurization reaction velocity during powder injection in ladle

钢包喷粉脱硫反应速度模型

The result indicates that the enzyme reaction velocity tends towards steady state with the form of index attenuation or small damped vibration when reaction time is longer.

结果表明，当反应时间较大时，反应速度是以指数衰减或小阻尼振动的方式趋向稳态。

A Discussion on The Reaction Velocity of Inorganic Chemistry

关于无机化学反应速度问题的探讨

The system with double 8051 chips collaboration realizes frequency measurement, improves reaction velocity of measurement system greatly and can be widely used in real time control systems.

该系统采用双8051芯片相互协作实现频率测量，使测量系统的反应速度大大提高，特别适合于在许多实时控制的系统中推广应用。

Therefore the first step is a process that controls reaction velocity decided by iso-butene concentration, having nothing with methanol concentration.

所以，反应的第一步为速率控制步骤，反应速率只取决于异丁烯的浓度，而与甲醇浓度无关。

But at more high temperature ( 80 ℃), the reaction velocity coefficient of separate collected fly ashes is higher than grinding fly ashes.

但在高温（80℃）下，分选灰的反应速率常数大于磨细灰。

By the optimization of experimental formulas, the operation parameters when both the ratio of used gas and the reaction velocity are the highest are given.

通过对经验公式的优化处理，提出了气体利用率和反应速度能同时达到最大的操作参数。

The assurance period of apple seed oil was predicted according to Arrhenius equation and the relation between reaction velocity constant and shelf life.

根据Arrhenius方程和反应常数与货架寿命的关系，预测苹果籽油的货架寿命。

A formula of total catalytic reaction velocity for qualitative analysis of converter efficiency was deduced from a two-dimensional model of three-way catalytic converter.

从三元催化转化器的二维模型出发推导出了总体催化反应速度公式，可定性分析三元催化转化器的转化性能。

These factors will decide the physical chemistry properties of hydrate, such as its structure, reaction velocity, gas content, etc.

这些因素制约着水合物的生成结构类型、反应速度和含气量等物理化学性质。

A Theoretical Calculation of the Hydrogen Evolution Reaction Velocity at the Mercury Electrode

汞电极上氢析出反应速度理论计算

The experimental and testing results show that the developed SCA has a fast reaction velocity, a big expansive pressure strength and good weather resistance.

试验研究及检测结果表明，所开发的静态破碎剂反应速度快，膨胀压力大，耐侯性好。

The tension control system has many good characteristics such as good stability, quick reaction velocity, high control precision.

该张力控制系统稳定性好，反应速度快，控制精度较高。

Reaction velocity and temperature field in atomizing-combustion process of alloys

合金液雾燃烧过程中的反应速率与温度场

The grafting reaction velocity and its temperature and time-dependent behavior are controlled by their E_a.

不同体系的接枝反应速度及其温度、时间依赖性的差异，是其E a不同所致。

Desulphurization reaction velocity and reaction efficiency can be improved preferably in gas-liquid-solid three-phase.

在气-液-固三相条件下进行的脱硫反应，可以较好地提高反应速度和反应效率。

Fast reaction velocity;

钠水反应迅速；

The thermodynamic and kinetic calculations indicate that the intramolecular atom transfer needs higher activation energy, and the reaction velocity is very slow.

热力学和动力学计算表明，分子内的原子转移需要较高的活化能，并且速度很慢。

The Nonlinear Dynamic Phenomena of B-Z Reaction in CSTR have been studied. They contain the effect of current velocity, vitamin B1, and mercury ion on B-Z reaction.

本文研究CSTR中B-Z反应的非线性动力学行为，包括流速、维生素B1及汞离子等对B-Z反应的影响。