活化能

The study of nucleating agent concentrations indicates that different concentrations have different influences on glass devitrification degrees, crystal phase amounts and cystal sizes.

采用复合晶核剂可以达到双碱效应，其离子堆积密度好，可以促进玻璃体中的溶解，降低界面能，使成核活化能降低。

The results of isothermal crystallization kinetics study indicates that the crystallization half-time t(subscript 1/2 of HIPP is longer, while its activation energyand chain folding surface free energy σ(subscript e are higher, compared with those of iPP.

等温结晶动力学分析结果表明，HIPP的半结晶时间、结晶活化能及分子链折叠端表面自由能均高于iPP。

Moreover,the flocculation settlement curves of the lignin locution were determined at deferent temperatures under the condition of the polyaluminum ferric chloride flocculation,the sense of the inflexion point of the curve was discussed,and the acaivation energy of the colloid solution flocculatiov was eltimated,which corresponds to the potential-energy between sol particles accordin.

用传统的化学动力学方法讨论了温度对絮凝过程的影响，测定了木质素溶液在不同温度时被聚氯化铝铁絮凝的絮凝沉降曲线，讨论了曲线上拐点的意义，并估算出该胶体溶液絮凝时的活化能，它相当于DLVO理论为胶体粒子间的势能能垒φm，实验得出φm≈16.5k

Coal tar pitch ; rheological properties ; activation energy ; free volume

煤沥青；流变性能；活化能；自由体积

In the system of potash feldspar with desulfurization ash ,when addition of sodium sulphate was 3%,the digest.

当硫酸钠添加量为4.76%时，反应温度可降至1050℃，表观活化能可降至81.97 kJ/mol；对于添加脱硫灰渣的钾长石体系，当硫酸钠添加量为3%时能显著提高钾溶出率，此时钾溶出率为71%～74%。

The effect of relative molecular weight of PA6 on its rheological behavior was studied with capillary rheometer. The experimental results showed that the given nylon 6 melt belonged to pseudoplastic fluid in the experimental range.

聚合物的流变性能主要包括聚合物的粘流活化能、粘度的变化等因素，而与之有关的一个重要结构因子即是相对分子质量的影响[1 ] 。

At the B3LYP/6-311+G(3df, 2p) level, the activation energy was obtained with a zero point energy correction.

对反应各驻点进行了全局优化，经过零点能校正后，计算得出乙烯二聚反应的活化能。

The results showed that 1,5-naphthalene disulfonic acid could be degradated effectively by the catalytic supercritical wa...

结果表明，催化超临界水氧化技术能有效地降解1，5-萘二磺酸，COD去除率可达98%以上；随着反应温度的升高，停留时间的延长，COD去除率也提高；1，5-萘二磺酸在超临界水中催化氧化降解反应的级数对COD和氧气分别为0.89和0.28，活化能为56.8 kJ/mol。

This study investigated the tempt pulping kinetics of wood of the fast-grown Gmelina arborea. Excellent process control and pulping optimization can be obtained. The process of kraft pulping of G.

进行云南石梓之硫酸盐法批式制浆工程动力学研究，探讨对各影响因子的反应级数、脱木质素反应的活化能和频率团子导出脱木质素反应动力学方程式期能了解制浆反应中之各种过程之影响因子，做为制浆制程控制之合理化和蒸解釜设计之依据。

The effects of many parameters, such as the amount of surfactant, airflow rates, pH, NaCl, ethanol and temperature on the solvent sublation were studied. Experimental results showed that a ratio of surfactant to Pb-dithizone complex (2∶1) was the most effective for the removal, with over 97.4% Pb removed from the aqueous solution in 40 min by solvent sublation, at the value of pH 12.6.The solvent sublation process followed first order kinetics. A characteristic parameter, apparent activation energy of attachment of the sublate to bubbles, was estimated at a value of 2.08 kJ/mol.

结果表明，当表面活性剂与硝酸铅物质的量之比为2∶1时，铅去除率达97.4％；体系去除率在pH值为12.6时最高；有机溶剂的影响不明显；少量的乙醇可提高其去除率和去除速率，但过多会产生抑制作用；适量的NaCl能提高体系去除率，但随着浓度的提高呈现下降趋势；去除速率随气流速率增加而增加，体系去除率随温度升高而递增；反应过程遵从一级动力学，表观活化能为2.08 kJ/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。