The Cause of High Reaction Rate of Displacement Bleaching

And the concept is reaction rate.

概念就是反应速率。

互联网摘选

The reaction rate increases with increasing temperature and NaOH concentration.

高铁酸钠生成速率随着温度的升高和NaOH浓度的增大而加快。

互联网摘选

The reaction rate improved as the concentration of K+ increased.

当钾离子浓度增加时反应速率也增加。

互联网摘选

The optimum conditions influencing the reaction rate were studied.

研究了影响反应速率的最佳条件。

互联网摘选

Improvement of the experiment of the chemistry reaction rate and active energy

化学反应速度和活化能实验的改进

互联网摘选

TG curves have shown that the addition of MnO_2 ( CuO or Cr_2O_3) to CaCO_3 not only causes the increase in the initial reaction temperature of thermal decomposition of CaCO_3, but also extends the reaction temperature range of that to higher temperature direction.

TG曲线表明：在CaCO3中分别掺入上述物质后，CaCO3热解的起始温度升高，反应温度范围向高温方向扩展，导致CaCO3热解更完全。

互联网摘选

After treated by pressing or ball milling, Al-C powders can react before Al melts, but the reaction rate and reaction temperature range are greatly different in the two cases.

但经过压块或球磨处理，Al、C混合物能够进行反应。该反应受动力学影响，反应温度和速度相差较大。

互联网摘选

The calculated activation energy for SHS of TiB 240% Fe ( in mole) is 399kJ/ mol, close to the activation energy of Ti+ 2B reaction in low temperature range, which indicates a diffusion controlled mechanism.

计算得到TiB240%Fe（以摩尔计）的SHS过程激活能为399kJ／mol，接近Ti＋2B在低燃烧温度区域的反应过程激活能，预示着一种扩散控制机理。

互联网摘选

Virtual research centers have many advantages such as sharing resources, mutual-supplementation of advantages, high agility, fast reaction ability in extensive range but the moral risk, which often be overlooked, can exists in it.

虚拟研究中心具有在广泛的范围内实现资源共享、优势互补以及高度的灵活性和反应快速性等诸多优势，但同时也蕴涵着道德风险，这些风险在其优势的掩盖下，往往被人们所忽视。

互联网摘选

The mass distribution of the products for thermal reaction at surface temperature range of 300K-750K has also been studied by a chopped molecular beam and quadrupole mass spectroscopy using Lock& in amplifier technique.

同时以调制分子束技术和锁相放大探测方法研究了在表面温度300K-800K范围内Cl2和Inp（100）热反应产物的质量分布。

互联网摘选

It was found that the best conditions for preparing nickel hydroxide nanorods were the reaction temperature in the range 180~ 200 ℃ and the pH value between 9 and 10.

结果表明，氢氧化镍纳米棒形成的最佳条件是180～200℃，pH为9～10。

互联网摘选

Layered zinc benzoate hydroxide compound with a basal spacing of 1.44 nm was prepared by hydrothermal reaction in a temperature range of 110~ 180 ℃.

在110～180℃范围内，以Zn（OH）2与苯甲酸为原料水热法成功合成了层状氢氧化苯甲酸锌化合物。

互联网摘选

Base carbon conversion and specific gasification rate increase with elevating gasification pressure, the order of Cf-H2O gasification reaction is in the range of 0.23~ 0.33;

随着压力提高、煤焦的基碳转化率和比气化反应速率均增加；C f&H2O气化反应级数在0.23～0.33范围内；

互联网摘选

But in the end of the reaction, during the range of 50-70 ℃, the decomposition rate will increase as the increasing of temperature and speed of the reaction.

在反应后期，在50-70℃温度范围内，温度越高则分解率越大，反应也越快。

互联网摘选

The AD reaction has a wide range of applications in the synthesis of chiral drugs, natural products and fine chemicals.

该反应在手性药物、天然产物、精细化学品的合成中具有广泛的用途。

互联网摘选

Desulfurization experiment of metallurgical dust has been done under conditions of different reaction atmosphere with temperature range of 50~ 650 ℃.

在50~650℃的温度区间内进行了冶金粉尘在不同反应气氛条件下的硫化穿透实验，结果表明，反应温度与反应气氛对冶金粉尘脱硫有较大的影响。

互联网摘选

Three synthesis methods, reaction mechanism and applied range of cyclopentadienyltricarbonyl rhenium complexes are summarized.

综述了三种环戊二烯三羰基铼络合物的合成方法，分别介绍了合成机理和应用范围；

互联网摘选

The effect of new product's phase on esterification was discussed, especially on its reaction rate and effective range.

考察了产物新相对酯化反应速度的影响；

互联网摘选

Under Ti Ce Bi catalyzing at reaction temperature in range of 150~ 250 ℃, the pollutant removal of wastewater in WAO process is proportional to the temperature.

在以Ti Ce Bi作为催化剂的湿式氧化处理VC制药废水时，当反应温度为150～250℃，废水的处理效果与温度成正比；

互联网摘选

Bio-briquette combustion in Ca/ s submit o the basic kinetics rules and can be handled with the differ-ent first order reaction in different range of temperature.

通过动力学分析，生物质型煤在固硫剂条件下的燃烧反应服从燃烧动力学的基本方程表征的规律，对于不同的温度阶段可用不同的一级反应来描述。

互联网摘选