查询词典 activation process

The non-isothermal kinetic data were analyzed with the Achar equation, Coats-Redfern equation, Kissinger equation, Flynn-Wall-Ozawa equation and Starink equation.The mechanism function and kinetic parameters of the thermal decomposition in the third step were obtained.The chemical reaction mechanism (F3) controlled the third thermal decomposition process.The apparent activation energy and the pre-exponential factor were 351 kJ·mol-1 and 2.57×10 30s-1 respectively.

采用Achar方程、Coats-Redfern方程、Kissinger方程、Flynn-Wall-Ozawa方程和Starink方程对非等温动力学数据进行了分析，得到了第3步热分解反应的机理函数、动力学参数和热分解反应动力学方程，其热分解反应过程受F3机理控制，表观活化能为351 kJ·mol-1，指前因子为2.57×

The tin hydride mediated alkenyl radical translocation/ cyclization process developed by Curran et al. represents a powerful procedure for the preparation of functionalized fivemembered rings by selective activation of a CH bond.

Curran等开发的以锡氢化物作为炔烃基团转位/环化反应的介质代表了用碳氢三键选择性活化法制备五员环官能团的高效反应步骤[2，3]。

The reduction of energy of activation in the concerted path of the aminolysis of phenyl formate was found to be more significant than that in the neutral stepwise process due to the solvent effect of water, ethanol and acetonitrile.

水、乙醇和乙腈溶剂可降低协同途径的活化能，溶剂化效应的大小对溶剂的极性不敏感。

The factors include the calefactive process of stabilization,the temperature of carbonization and the condition of activation craft.

通过红外光谱和DTA/TGA分析对ACF的结构变化进行了探讨，并考察了稳定化升温程序、碳化温度及活化工艺条件等对ACF吸附性能的影响。

Inhibition of this process precludes demethylation of the pS2 gene promoter and its subsequent transcriptional activation.

这种抑制作用不影响pS2基因启动子序列的甲基化和其后随序列的活性。

The results showed that 1,5-naphthalene disulfonic acid could be degradated effectively by the catalytic supercritical water oxidation process,the removal rate of COD reached 98% or even above;the removal rate of COD increased with the increasing of temperature and residence time,the orders of catalytic oxidation degradation reaction of 1,5-naphthalene disulfonic acid to COD and oxygen in supereritieal water were 0.89 and 0.28 respectively,and the activation energy was 56.8 kJ/mol.

Ding等[3]研究了NH3在MnO2/CeO2催化剂作用下在超临界水中的降解情况；Savage[4]简述了在超临界水中以CARULIFE 150、TiO2、MnO2、CuO为催化剂，对苯酚进行了超临界水氧化机理研究情况，但迄今为止涉及催化超临界水氧化的反应动力学的研究还不多。萘系有机污染物是印染

The electrochemical oscillations often are observed in the process of anodic electrodissolution of metal and alloy, in particular, in the transitional period of between activation and passivation.

金属和合金阳极电溶解过程中常常可以观察到电化学振荡现象，尤其是在活化与钝化的转变阶段。

The electrochemical oscillation s often are observed in the process of anodic electrodissolution of metal and alloy, in particular, in the transitional period of between activation and passivation.

金属和合金阳极电溶解过程中常常可以观察到电化学振荡现象，尤其是在活化与钝化的转变阶段。

Objective To explore the function of fusiform in learning process according to the change of its activation volume and intensity.

目的 根据脑激活体积和强度变化率，探讨梭状回在学习进程中的功能。

Electrochemical activation was an erosion process of the interwoven graphitic crystallites of glassy carbon.

活化对电极界面的影响实际上是对玻碳表面交织存在的石墨化微晶颗粒的腐蚀。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。