查询词典 first law of thermodynamics

The Encyclopaedia Britannica concludes the perpetual motion article: In the course of his long career Keely may have broken a number of laws, but he left the first and second law of thermodynamics ...

" 大英百科全书结束永动机文章："在他漫长的职业生涯Keely可能打破了一些法律，但他留下的第一和热力学第二定律。。。

There is another principle, independent of the first law and not derivable from it, that is the second law of thermodynamics.

在热力学第一定律之外还有其它定律制约着热功转换的效率。那就是热力学第二定理。

Clearly, a refrigerator, which is a physical system must obey not only the first law but the second law of thermodynamics as well.

很明显，冷冻机是一种物理系统，因此它不仅必须遵从第一定律，也必须遵从热力学的第二定律。

According The first law of thermodynamics, by way of analyzing the process of the conversion of heat energy and electrical energy, an experimental method of measuring the mechanical equivalent of heat, is simple and rarely faulted.

根据热力学第一定律，通过分析系统的内能与外界输入电能的转换过程，设计出了另一种测量简单、差小的测定热功当量的实验方法。

Utilizing the first law of thermodynamics for the black hole,the temperature of the black hole is calculated by its entropy.

计算黑洞温度的方法有多种。

A relativistic transformation of generalized coordinates is discussed and it is found that the first law of thermodynamics and the equation of state of an ideal gas are invariant with respect to the relativistic transformation of generalized coordinates , so that the existence of relativistic transformation of generalized coordinates is reasonable.

讨论了一个涉及热力学的广义坐标的相对论变换，发现热力学第一定律和理想气体状态方程对广义坐标的相对论变换具有不变性，表明广义坐标的相对论变换有其存在的理由

Course Content: Temperature, Kinetic Theory of Gases, The Statistic Distributions of Velocity and Energy of Molecular Thermal Motion, Transportation Process in Gases, The First Law and Second Law of Thermodynamics, Phase Changes of Solid and Fluid Bodies

课程内容：温度、气体分子运动论的基本概念、气体分子热运动速率和能量的统计分布、气体内的输运过程、热力学第一、第二定律，固液体相变。

The methods of analysis and evaluation of thermodynamics of LiBr-H2O absorption cycles are set up. Firstly, Based on the utilization of The First and Second Law of thermodynamics, the ideal combined Camot Cycle model is set up. Secondly, Aimed at the insufficient of the classical thermodynamics analysis method, the popular method-- Finite Time Thermodynamics analysis is applied to set up the model of endo-reversible combined Carnot cycle. Finally, the optimization relationships between the specific heating load and operating parameters and between SHL and COP are conducted according to the characteristics of the function and investment of AHT.

在首先利用热力学第一、二定律分析方法的基础上，建立了吸收式热变换器的理想联合卡诺循环模型，然后针对经典热力学分析方法的不足，利用了当前很流行的有限时间热力学分析手段，建立了AHT系统内可逆联合卡诺模型，根据热变换器的功能、投资等方面的特点，导出了吸收式热变换器比供热率与操作参数、比供热率与热力学性能系数的优化体系。

The pinch point technology and the mathematics programming method are the main means in the process system energy integration and optimization. But both of them are with the first law of thermodynamics for foundation, they only make sure the quantity relation in energy conversion process and neglect the difference of quality of energy.

夹点技术和数学规划法是过程系统能量综合优化的主要手段，但它们均以热力学第一定律为基础，仅仅确定了能量转换过程中的数量关系，而忽略了能量品质的区别。

The chemist Dalton first gave a proof of the existence of atoms and the engineer Sadi Carnot first gave a proof of the Second Law of Thermodynamics.

化学家道尔顿最先证明了原子的存在，工程师萨迪。卡诺第一个证明了热力学第二定律。

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