活化能

Activation energy: The difference in energy between that of the activated complex and that of reactants, the energy that must be supplied to the reactants before they can undergo transformation to product.

活化能：使低能分子达到活化状态所需要的能量。

In the reaction system, the activation energy of the proton transfer process is not very high, and it can also happen.

在该反应体系中质子迁移过程反应活化能不高，也是能发生的。

Benzonitrile was selectively hydrogenated into benzylamine under mild conditions over activated amorphous nickel aluminium alloy catalyst which was prepared by rapidly quenching method.

由铜鼓快速淬冷法制备的非晶态NiAl合金催化剂经活化后用于催化苯甲腈加氢制苄胺的反应，考察了溶剂种类、苯甲腈初始浓度、催化剂用量、反应温度及反应压力等因素的影响，并测定了该催化加氢反应的表观活化能。

The values of enthalpy and entropy for monomers interacting with solvents have been calculated. In accordance with these results, the dependance of monomers reactivity radio on the polymerization temperature has been discussed.

用NMR法测定了单体与溶剂的络合常数；计算了单体与溶剂相互作用的活化能和活化熵，依此对共聚活性与温度之间的关系进行了讨论。

Conglomeration microstructures in the alloys appear, W particles were sintered between each other mainly by way of solid sintering in the conglomerations, and liquid sintering between conglomeration and con- glomeration. Microstructure of sintered alloys is compact and homogeneous.

结果表明，机械活化能增大钨铜粉末的表面能和晶格畸变能，有效地促进烧结，改善烧结组织；烧结体中存在大量团絮状组织，团粒内部钨颗粒主要以固相方式烧结在一起，而团粒之间则以液相烧结为主。

Our experimental results provide compelling evidence that conventional activation energy studies yield a "mobility gap" which can be very different from the real spin gap in the energy spectrum.

我们的实验结果提供了可信服的证据，说明了由传统的的活化能方式所得到的是"迁移率能隙"，这与真实的自旋能隙有很大的不同。

In Na2CO3-NaHCO3 buffer solution, the apparent activation energy and activation parameters for cetyl trimethylammonium bromide micelle-catalytic hydrolysis of p-nitrophenyl propionate have been measured, and the effects of inorganic salts (such as NaCl, NaBr and Na2SO4) on them have also been investigated.

在Na2CO3-NaHCO3缓冲溶液中，测定了对硝基苯酚丙酸酯的十六烷基三甲基溴化铵胶团催化反应的表观活化能和活化参数；考察了无机盐(NaCl， NaBr， Na2SO4)对该催化反应的影响。

The results showed that the dissolving-out quantities of sanative elements in Maifan stone increased with decreasing particle size,increasing temperature and time,fewer dissolving-...

结果显示，麦饭石颗粒尺寸减小，溶出温度增加，溶出时间延长，溶出次数减少以及对麦饭石进行活化处理都将提高麦饭石微量元素的溶出能力；微量元素Sr的溶出过程受控于扩散传质过程，其活化能为 4 5 3 6kJ/mol，速率常数与温度的关系为kΣ=0 1 46×е- 4536 /RT，动力学模型的计算结果与实测值吻合较好。

The results indicated that a dependable kinetic model could be obtained by modifying the Temkin equation by considering the H2 and NH3 adsorption factors. Activation energy for the ammonia synthesis reaction was obtained as 90.2 kJmol^(-1) after linear fitting the kinetic and thermodynamic parameters k, K(subscript H2) and K(subscript NH3) with the Arrhenius and Van't Hoff equation, which was much lower than that over iron-based catalyst, which indicated that the activation energy barrier of N2 dissociative adsorption on Ru was far lower than that on either the conventional magnetite-based catalyst or wustite-based catalyst; the hydrogen adsorption heat was 76.2 kJ mol^(-1), indicating that the adsorption of hydrogen on the Ba-Ru-K/AC catalyst was so strong that it inhibitied the dissociative adsorption of nitrogen.

结果表明，在Temkin方程中加入H2和NH3的吸附项能够获得可靠的动力学模型，用Arrhenius和Van't Hoff方程对动力学和热力学参数k、K(下标 H2)和K(下标 NH3)进行线性拟合，得到氨合成反应的活化能为90.2 kJmol^(-1)，远低于铁基催化剂，说明Ru上N2的解离吸附活化能垒远低于传统磁铁矿基催化剂和维氏体基催化剂。H2的吸附热为76.2 kJmol^(-1)，证明Ba-Ru-K/AC催化剂上H2的吸附较强烈，对N2的吸附有强烈的抑制作用。

Once the temperature of the environment exceeds the critical explosion temperature, the delayed-action time will shorten along with the temperature of the environment ascending;(2) The thermal decomposition reactivity activation energy and correlative parameters of the emulsion explosive matrix and corresponding mixture of emulison explosive with combustible oil solvent were obtained by iron-plate experiment, thereinto, the activation energy of the emulsion explosive matrix is 163.3kJ/mol.

一旦环境温度超过临界爆炸温度，随环境温度的升高，爆炸延滞期将变短；(2)通过铁板实验获得了乳化炸药基质及其与有机溶剂混合物的活化能和相关参数，其中乳化炸药基质的活化能为163.3kJ/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。