热力学

After heat treatment for 25h and 50h in air, the r phase showed an anisotropy on XRD pattern. The molar fraction of the r " phase formed at the interface between the substrate and the bond coat was calculated and the profile of composition of all elements was modeled after considering the change of heat treatment temperature and time.

多元合金的基体和热障涂层的扩散和界面反应，用相平衡热力学Thermo一ca1C和相变动力学D工CTRA软件对基体/底层界面Y'相的摩尔分数以及整个试样中各元素的成份分布随温度和时间的变化进行计算，计算结果与实验结果有很好的吻合。

By analyzing the gas thermodynamic characteristics in brake cylinder with ...

通过对节能型气压式制动气缸内气体热力学特性的分析，建立制动过程中制动力及制动功的计算公式。

In this thesis, it is summarized that the current research on the thermodynamics analysis, the catalyst, the reaction mechanism, the kinetics of the carbon dioxide hydrogenation to light olefins.

本文对CO2加氢合成低碳烯烃反应体系热力学分析、催化剂开发、反应机理和动力学等方面的研究进行了综述。

The possibility and extent of the goal reactions could be evaluated based on these calculations. The theoretical calculations also provided the basis for the choice of suitable catalysts and reaction conditions. The experimental results have demonstrated that the thermodynamic calculations are correct.

通过计算可判断所研究反应进行的可能性和程度，对催化剂和反应条件的选择提供了理论依据，实验结果也证明了热力学计算的正确性。

The phase diagram was plotted. The study will be used as a basis for the separation of K2Cr2O7 and CrO3 for cleaner production of chromium trioxide. 2. The crystallization thermodynamics of the system was studied.

对该体系的单组分的结晶热力学进行了初步的研究，测定了K2Cr2O7的从25 °C至90 °C的溶解度和超溶解度，研究了各种影响因素对结晶的影响。

A thermodynamics and dynamics study is made about the mechanism of Zinc powder displace Cobalt during purifing Zinc Sulphate solution.

对硫酸锌溶液净化过程中锌粉置换钴的机理进行了热力学和动力学研究，通过不同粒度的锌粉、自产锌粉和合金锌粉的对比试验，结果表明：使用Pb-Sb-Zn合金锌粉有利于降低净化过程的锌粉消耗，现已应用于生产实践，降低了生产成本。

Thinking of presenting problems, this research mainly studied some solid base catalysts which own higher catalysis ability and longer lifetime. Then, the phase diagram and equilibrium data of oil-alcohol-biodiesel-glycerol multiphase system were measured because the biodiesel producing process lacks of thermodynamic data.Based on a double-membranes theory and the thermodynamic data, a kinetic model was proposed. In addition, a mult-step extraction process was proposed to dispose the jatropha curcas l oil with high acid value in order to decrease the acid value. Then, a new technology of biodiesel producing using solid base as a catalyst was developed. The study objects and results are as follows.

本研究针对负载型固体碱催化剂活性组分易流失、使用寿命短的缺点，制备了高效、稳定的固体碱催化剂；针对生物柴油制备体系热力学数据缺乏的问题，测定了大豆油-醇-生物柴油-甘油体系的相图和平衡特性，在此基础上基于双膜理论，建立了固体碱制备生物柴油的动力学模型；同时针对酸价较高的麻疯果油，提出了先用甲醇或乙醇多级萃取降低酸价，再用固体碱催化制备的新工艺。

The thermal decomposition behavior of a novel gas-generating agent used for two steps foaming process of aluminum was investigated, its kinetic and thermodynamic characteristics of decomposition reactions, and the potential reactions between the foaming gas and the melt were analyzed.

摘 要：研究一种适于两步法制备泡沫铝工艺用新型发泡剂的热分解行为，分析其分解过程中的动力学与热力学特征，以及发泡气体与熔体之间可能存在的反应。

The film possesses the features of high thermodynamic stability, higher dielectric coefficient and low leakage current.

该薄膜具有高的热力学稳定性，并有较高介电系数和低漏电流。

At the beginning,the necessity of taking quantum effect into consideration when studying Diesel cycle is put forward,and the prospects of the cycle application to practical uses are noted.

在分析了研究狄塞尔循环时需要考虑其量子效应的必要性以及该循环在实际社会生产中的广泛应用前景后，首先给出以理想气体为工作物质的狄塞尔循环的效率表达式，然后以理想费米气体为例，根据其状态方程及其热力学性质获得以理想量子气体为工作物质的狄塞尔循环的效率表达式，通过比较得出提高实际热机效率的主要途径。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷