Catalysts affect the reaction rate of polyurethane porous materials.

1、

The amount of inhibitor hydroquinone had little effect on reaction rate.

阻聚剂对苯二酚用量对反应速率的影响不显著。

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2、

Reaction rate study for the corrosion of pure aluminium in copper chloride solution

纯铝在氯化铜溶液中溶解速度的研究

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3、

A Discussion on the Reaction Rate

无机化学中的化学反应速率

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4、

The Cause of High Reaction Rate of Displacement Bleaching

置换漂白反应速度快之原因

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5、

And the concept is reaction rate.

概念就是反应速率。

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6、

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。

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7、

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。

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8、

The optimum conditions influencing the reaction rate were studied.

研究了影响反应速率的最佳条件。

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9、

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

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10、

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。

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11、

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。

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12、

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。

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13、

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。

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14、

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。

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15、

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。

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16、

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。

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17、

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；

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18、

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。

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19、

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。

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20、

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。

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