查询词典 thermodynamics

This paper made a scientific study using the principle of thermodynamics based on the investigation of building of hot wall and heated brick bed.

通过对火炕和火墙砌筑的调研，利用热力学原理进行了科学的分析，并通过长期的试验，总结改进了火炕火墙的砌筑方法，克服了火炕火墙通常存在的问题，保证了其正常使用。

In an admirable error bound, the numerical simulation had the close results with experiment by the characteristic curve of cold mass flow fraction, as well as Thermodynamics model of vortex tube, So Thermodynamic theory hypothesis was available to explain Ranque-Hilsch effect of vortex tube.

在误差允许的范围内，涡流管冷流率特征曲线描述的结果与涡流管热力学理论给出的结果非常相近，说明涡流管热力学理论假设能够描述Ranque-Hilsch效应。

Depend on the thermodynamics calculation parameter,calculate and selected the valve gear'parts'parameters,and then carry on the examination of the intensity,rigidity and so on,analyze its reliability,steady.

在基本参数的基础上，选取了配气机构组件的参数，并且进行了强度，疲劳度校核计算，分析了其可靠性，稳定性。

The thermodynamics about the buckwheat microporous starch absorbing the methylene blue follows the monolayer absorption rule of the Langmuir equation. The alkalinity condition monolayer saturated adsorption is 2.9 times higher than acidic condition. When pH value rose from 4.8 to 10.8, the negative value of absorption heats increased, absorption was spontaneous exothermic process, and that was easier to carry on at pH10.8 due to the slight adsorption electrostatic repulsion.

荞麦微孔淀粉对亚甲基蓝的吸附热力学遵循Langmuir直线吸附方程的单分子层吸附规律，碱性条件的单分子层饱和吸附量比酸性条件高2.9倍；pH值从4.8增大至10.8，吸附热负值增大，吸附为放热的自发过程，且在pH10.8时吸附所受到的静电斥力小，吸附更容易进行。

To study the performance of screw compressor, the key component in heat pump chiller, a mathematic model for simulating the behavior of the compressor's working process is presented in this paper, based on the thermodynamics of mass-variable system and the p-V indicator diagrams acquired by experiment.

为此，本文在实测压缩机在经济器补气工况、部分负荷工况、不同冷却方式等工况下p-V指示图的基础上，并基于变质量系统热力学原理，建立了螺杆制冷压缩机工作过程热力学数学模型，考虑了喷油、泄漏、热交换及补气等因素对工作过程的影响。

During the calculation of the early age temperature field, the early age physical and mechanical performance of concrete varies with its age, therefore in the second chapter we discuss the early age physical and mechanical performance of concrete and its development regulation with time, we emphasize elastic module and the development about the early age strength of concrete varying with time, at the same time consider the effect of shrink and creep upon the early age of concrete, in succession discuss how to confirm the physical parameter of thermodynamics of concrete.

之后讨论了混凝土的热物理参数的确定。为了能够正确合理的应用有限元方法求解早期混凝土温度场问题，第三章论述了求解温度场的有限元方法。第三章首先对热传导的微分方程作了阐述。之后确定温度场的边界条件。本章采用变分原理推导有限单元法计算温度场的公式。因此在第二小节叙述了变分原理，然后阐明了不稳定温度场的计算的三种方法，确定第四章分析中将采用向后差分法求解0#箱梁早期的温度场。

Based on the first law of thermodynamics and the law of mass conservation, a thermodynamic model of the back-pressure cavity has been developed by considering influence by back pressure cavity, compression chamber and oil supply system.

本文在热力学第一定律及质量守恒定律的基础上，建立了背压腔的热力模型，模型详细考虑了背压腔与工作容积、压缩机内油路之间的联系，并通过他们之间的联系给出了背压腔压力的计算方法。

Thermodynamics is the study of energy transformations.

热力学是能量转变的研究。

From the multiple chemical composition of groundwater, the corrosion of groundwater to carbonate rocks is analyzed by chemical thermodynamics.

本文从地下水的多组分角度出发，采用化学热力学方法对地下水中碳酸盐岩的侵蚀性作出了分析。

Not all scientists believe time is governed by the second law of thermodynamics.

不是所有的科学家都相信时间是由热力学第二定律决定的。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。