活化能

After thehexa-coordinate phosphorus intermediate formed, the phosphoryl N→Omigration reaction would have the lowest activated energy and should be themain reaction.

六配位磷中间体形成之后，继而发生磷酰基的N→O转位反应的活化能非常低，所以它是主反应。

The mechanism for synthesizing piperazine has been discussed ,and its macrokinetics model has been founded, the activation energy and reaction velocity constant of piperazine and TEDA has been obtained, the results provided theoretic basis for industrialized production.

对合成哌嗪的机理进行了探讨，并建立了该过程的宏观动力学模型，求出了生成哌嗪和三乙烯二胺的活化能及反应速率常数，为工业化生产提供了理论依据。

The solvent effects were studied with the conductor-like polarizable continuum model respectively in the solvents acetonitrile and water, and we found that the solvent effects reduce the activation energy, but the reduction is small, these reactions are not sensitive to the solvent polarity.

采用导电极化连续介质模型分别研究了在乙腈与水溶液中反应的溶剂化效应，发现这些溶剂可降低反应的活化能，但降低的程度比较小，反应速率变化不大。

The results showed that the decolorizing rate increased with the increase of reaction temperature, pyrolusite dosage, initial concentration of caramel and sulphuric acid...

对实验数据进行拟合，得到了焦糖色素降解脱色动力学模型，其脱色过程的表观活化能为24.4kJ/mol，焦糖色素、硫酸和软锰矿的表观反应级数分别为2.0，0.58和1.09。

The temperature dependence of hydrolysis rate constant was used for the calculation of raffinose hydrolysis activation energy, which matches well with the literature value.

通过测定不同温度下的速率常数可以求得棉子糖水解反应的活化能，所得结果与文献值仅相差0.2％。

Since aromatic ring is a very stable compound, it would needs very high activation energy to begin the ring opening reaction. It is therefore interesting to investigate how the micro-organism can catalyze this reaction in room temperature at natural buffer condition.

由於芳香环是一种非常稳定的化学结构，如果想要进行开环反应必要要经过极大的活化能，而了解生物体中是如何在常温的环境下进行这样的反应将会是非常有趣的题材。

The enzyme follows typical Michaelis-Menten Kinetics with apparent Km of 3.40mmol/L for Salicin. The activation energy of the enzyme is 50.63KJ/mol.

测定该酶的最适反应温度为43℃，最适反应pH为5.1；在pH5.1，45℃下，该酶催化水杨素水解的Km值为3.40mmol/L，活化能为50.63kJ/mol。

Two types of latex particles with similar particle size, similar molecular weight and molecular weight distribution of their constituent polymers labeled by the donor phenanthrene or by the acceptor a polymerizable benzophenone were synthesized by seeded semicontinuous emulsion polymerization.

利用这些乳液粒子，研究了聚甲基丙烯酸丁酯在不同的温度下在其薄膜中的扩散，获得了不同温度时的表观扩散系数以及聚合物扩散的表观活化能。

Almost the same energy was calculated from different residual weights suggesting the decomposition of PBO fiber in air or nitrogen was a single step process.

用热失重方法分析了聚亚苯基苯并二唑纤维在不同气氛中的热分解行为，采用O zaw a法计算了PBO纤维在氮气和空气两种气氛中的热分解活化能。

Almost the same activation energy was calculated from different residual weights suggesting the decomposition of PBO fiber in air or nitrogen was a single step process.

用热失重方法分析了聚亚苯基苯并二噁唑纤维在不同气氛中的热分解行为，采用Ozawa法计算了PBO纤维在氮气和空气两种气氛中的热分解活化能。

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。