活化能

The process of syneresis can be described by means of apperant first-order reaction and the rate constant increased with increasing the temperature and the initial Crconcentration. The apparent activation energy was about 34.5 kcal/mol.

突发脱水之后的过程可以用一级反应动力学描述，反应速度常数随三价铬的浓度和温度的增高而增大，活化能为34.5kcal／mol。

Activation energy is an important index reflecting the spontaneous combustion tendentiousness of coal.

活化能是表征煤自燃倾向性的重要指标。

Kinetics of thermal degradation of polybutylene terephthalate was investigated using the method of gravimetric analysis.

用热重分析法探讨聚对苯二甲酸丁二醇酯热降解的动力学，揭示了PBT的热稳定性、热解反应级数和热解活化能。

This technique involved the enclosure of the emulsion in small agar capsules, double fixation using glutaralde- hyde and osmium tetroxide and embedded in resin.

在稳定性研究中，首次将电导法用于静脉乳的凝聚动力学试验取得较好的结果，测得乳剂的凝聚过程为一级动力学过程，并求得凝聚活化能和半凝聚期。

The function relations of volatile and E and volatile and tiptop temperature of pyrolysis.

根据计算结果，得出挥发分与活化能和最大失重速率峰温的函数关系。

With PA1010 as matrix material,maleic anhydride grafted ethylene-propylene rubber as toughener,PA1010／MGEPR blend was prepared by means of Brabender PLE331 Rheometer.The apparent viscosity,non-Newtonian indx and melt activation energy of the blend were determined,and the rheological properties of the blend were centered on in our study.

以尼龙1010(PA1010)为基体，以马来酸酐接枝乙丙橡胶为增韧剂，采用Brabender PLE331型塑化仪制备了PA1010／MGEPR共混增韧尼龙材料，测试了PA1010／MGEPR共混物的表观粘度、非牛顿指数和粘液活化能等流变参数，并重点讨论了其流变性能。

The optimum conditions were obtained: reaction time 10 h, amount of catalyst for the quality of glycerin 5%, molar ratio of glycerin to acetic acid 1:8, under which the yield of glycerol triacetate reached 93.8%.

实验结果表明，反应时间10h，催化剂用量为甘油的5%，甘油／乙酸=1：8的条件下，三醋酸甘油酯的收率达93.8%。100~130℃时，反应活化能为113.245kJ/mol。

In this system trimethylamine was used as a trigger. Under the highest yield of styrene oxide, the amount of oxidant, phase transfer and catalyst were respectively 31.16%、8.96%、1.15%relative to the amount of styrene. With the experimental data, the reaction dynamics of the system was studied.

通过对钼蓝-氧化三丁锡体系动力学的分析计算，得出在该反应体系中，苯乙烯催化氧化成氧化苯乙烯的宏观反应动力学方程为：，其反应级数约为n=2，反应速率常数h-1mol-1，反应活化能Ea=165.08kJ/mol。

The adsorptive amount of the unbaked adsorbents loaded with Zn2+ isless than the baked obviously, but the adsorbed amount is not enhanced distinctly bythe way of increasing the baking temperature. The desulfurizing capability increasesdue to the Zn2+ impregnated.

对三种载金属离子吸附剂脱硫性能研究表明，负载锌离子的 13X、氧化铝、5A 分子筛，温度升高，吸附剂的吸附容量升高，硫醇去除率也大，温度升高，增大了活化能克服了势能障碍。

The oxidation kinetics of depleted uranium was studied in pure oxygen pressure of 5 kPa at below 100°C by using spectroscopic ellipsometry. The relationship of the thickness of uranium oxide with time is measured. The results indicate that below 100°C in the initial period, the relationship between oxidation layer thickness and time is parabolic. The oxidation mechanism of depleted uranium is discussed and the active energy of depleted uranium at given experimental conditions is 87.165kJ/mol from calculation.

采用椭偏技术研究了45~95℃和5kPa纯氧气氛中金属铀的氧化，通过不同温度下金属铀表面氧化层厚度随时间的变化规律，得到贫铀在初始氧化阶段的表面氧化层厚度与时间的关系均呈现抛物线规律；绘制出了在不同温度下金属铀表面的氧化动力学曲线，由此得到在低于100℃，5kPa的纯氧气氛下贫铀表面形成氧化物的反应活化能为87.165kJ/mol。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。