活化能

He dissolution mechanism of α-TCP cement may be considered as dissolution and reprecipitation of defective calcium hydroxy-apatite hydrated from α-TCP.

CP骨水泥固化体在生理盐水中，溶解动力学方程为：y=-ln(1-x)=kt〓；溶解活化能为9.87kJ/mol，其机理是α-TCP水化形成的缺钙羟基磷灰石溶解再沉积的过程。

XRD results show that LSAM9191 is rhombohedral perovskite structure. Doping of Sr and Mg increases the ionic conductivity significantly.

通过掺杂，样品的离子电导率得到了显著提高，在900℃时LSAM9191的氧离子电导率为8.6×10^(-3)S/cm，离子电导活化能为1.04eV。

The study of the forming condition and mechanism of immature oil in eastern Linqing depression reveals that brackish water-brine, abundant sulfur bacteria and sulfocompounds provided favorable conch-lions for the formation of the immature oil. Immature oil was the result of hydrogen-rich sapropel of lower activation energy degraded by sulfur bacteria. T and R of the early hydrocarbon generation of organic matter were 400~435℃ and 0.2%~0.5% respectively, and their values for peak hydrocarbon generaion are 420℃ and 0.35%.

通过对渤海湾盆地临清坳陷东部未熟－低熟油的形成条件及形成机制探讨，总结出沙一段和沙三段的微咸水－咸水介质环境、丰富硫细菌和含硫化合物为临清坳陷东部未熟－低熟油气形成提供了有利条件，证实该区未熟－低熟油气形成是低活化能的富氢腐泥组分受到硫细菌早期低温降解作用的结果，明确该区未熟－低熟烃源岩硫细菌降解的有机质早期生烃阶段的T值为400~435℃，R值为0.2%~0.5%，生油高峰T值为420℃，R值为0.35%左右。

The study of the forming condition and mechanism of immature oil in eastern Linqing depression reveals that brackish water\|brine, abundant sulfur bacteria and sulfocompounds provided favorable conditions for the formation of the immature oil. Immature oil was the result of hydrogen-rich sapropel of lower activation energy degraded by sulfur bacteria. Tmax and Ro of the early hydrocarbon generation of organic matter were 400~435℃ and 0.2％~0.5％ respectively, and their values for peak hydrocarbon generaion are 420℃ and 0.35%.

通过对渤海湾盆地临清坳陷东部未熟-低熟油的形成条件及形成机制探讨，总结出沙一段和沙三段的微咸水-咸水介质环境、丰富硫细菌和含硫化合物为临清坳陷东部未熟-低熟油气形成提供了有利条件，证实该区未熟-低熟油气形成是低活化能的富氢腐泥组分受到硫细菌早期低温降解作用的结果，明确该区未熟-低熟烃源岩硫细菌降解的有机质早期生烃阶段的Tmax 值为400~435℃， RO值为0.2％~0.5％，生油高峰Tmax值为420℃，RO值为0.35%左右。

The experimental results show that the molar ratio of carbon monoxide to carbon dioxide in the reacting mixture is frequently equal to unity hence the reaction scheme may be stoichiometrically represented as follows

实验证明：反应气体中一氧化碳与二氧化碳的摩尔比接近于1；苯氧化生成顺酐的反应是并串联反应，各反应级数均为准一级；并求出了各反应的活化能和指前因子。

Test results showed that tetralin was an appropriate hydrogen donor. By adding tetralin, the activation energy of the hydrogen transfer reactions were...

结果表明，四氢萘为合适的供氢组分，四氢萘通过降低反应活化能来强化氢转移反应；提高反应温度有利于提高四氢萘的供氢能力，但温度高于450℃后，四氢萘裂化倾向加大；催化剂的酸性对供氢组分的选择性供氢有影响，合适的酸量和酸密度有助于促进供氢组分参加的氢转移反应。

The theoretical properties of BTATz were estimated by a B3LYP method based on 6-31G basis set. The stable geometric configuration and bond order were obtained. The vibrational frequencies, IR spectrum and thermodynamics properties under different temperatures were obtained from vibrational analysis, and the relationship between temperature and thermodynamics properties was deducted. Pyrolysis mechanism of BTATz was discussed, and the transition state and activation energy of ring opening reaction of the tetrazole were deducted.

用B3LYP方法，在6-31G基组水平上对其性能进行了计算，得到了其稳定的几何构型和键级；在振动分析的基础上求得体系的振动频率、IR谱及不同温度下的热力学性质，并得到了温度对热力学性能影响的关系式；探讨了其热解机理，推断出四唑环开环时的过渡态和活化能。

However, the superheating effect may also result in the degradation of thermolabile compounds. Both the data of calculated activation energy and the results of experiments indicated that quercetin glycosides degraded under the high temperature caused by microwave irradiation.

首次从理论和实验两方面研究了微波加热对以槲皮素为甙元的黄酮甙的稳定性的影响，计算得到的活化能数据和实验结果均显示微波加热产生的高温可导致槲皮素糖甙发生分解。

These compounds, properly designed, can be 1～2 orders of magnitude more surface active than surfactants with a single corresponding hydrophobic and a single corresponding hydrophilic group in the molecules. In this work, selected trimeric surfactant TNP is first synthesized.

本文研究了Gemini表面活性剂GNP和GTB用于脂肪酸酯的碱性水解催化作用，测定了水解速率常数和反应活化能，从动力学机理上说明了所合成的Gemini表面活性剂对脂肪酸酯水解反应有明显的胶束催化作用。

The cold crystallization of uniaxially oriented PET fibers was investigated. The preferred condition for preparation of uniaxially oriented amorphous PET fibers was explored in terms of the draw ratio of as-spun PET fibers at different temperatures.

研究了单轴取向PET纤维的冷结晶过程，对出现的多重结晶峰进行了参数解析，得到了Avrami指数、结晶扩散活化能等结晶动力学参数。

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。