热力学第一定律

由热力学第一定律可知，LNG气化时必然会释放大量的冷能。

According to the first law of thermodynamics , LNG releases a great quantity of cold energy during gasification .

本文从环保、安全和理化特性等方面对自然工质CO2进行了综合评价，运用热力学第一定律进行了跨临界CO2热泵的理论循环分析。

In this paper , the comprehensive evaluation of CO2 refrigerant is conducted in terms of environment protection , safety , thermophysical characters and so on . The basic trans-critical CO2 heat pump theory cycle is analyzed by using the first law of thermodynamics .

P-V图与热力学第一定律中的诸量

P-V Diagram and some Physics Quantum of First Thermodynamics Theorem

本文在用傅立叶（Fourier）热传导定律和热力学第一定律进行理论分析的基础上，独立编制了适合于激光辐照的一维和二维热传导数值模拟程序；

Based on theoretic analysis of Fourier heat transfer law and first thermodynamic law . we program the heat transfer numerical simulate programme of one dimension and of two dimensions that fit laser irradiation .

从热力学第一定律、金属-半导体接触等不同角度详细解释了热平衡（零偏下）时pn结不可能对外输出电压和电流的原因。

It is explained from both thermodynamics and metal semiconductor contact points of view why a pn junction cannot output voltage or current at a thermal equilibrium condition ( under a zero bias ) .

用PV图和TS图讨论理想气体状态方程、热力学第一定律及热容C，其优点较为直观。

This paper discusses the State Equation for Ideal Gases , the First Law of the Thermodynamics and Heat capacity with the PV figures and TS figures which make it easy to find the heat , work and energy change .

Kalina循环的热力学第一定律分析

An Analysis of Kalina Cycle Based on the 1 ~ ( st ) Law of Thermodynamics

用热力学第一定律和第二定律，对三种双级压缩带膨胀机的CO2跨临界循环进行热力学分析，并分别从系统的性能系数、效率、中间压力以及排气温度等方面进行了比较。

Three types of CO 2 transcritical two-stage compression cycles with expanders are analyzed by both the first and the second laws of thermodynamics . The coefficient of performance , exergy efficiency , inter-stage pressure and discharge temperature for the three cycles are compared respectively .

本文采用热力学第一定律分析了热源温度对理想VM循环性能的影响和实际VM循环热泵的各项不可逆损失，运用有限时间热力学分析了量子VM阶梯循环。

Thermodynamic analysis based on the first law is processed to point the influence of the heat source temperatures to the performances in ideal VM cycle , and the irreversible losses in actual VM cycle heat pump . Quanta VM cycle is ladder optimized using finite time thermodynamics .

从热力学第一定律的角度出发，选取P-R方程作为氨-水混合物性质的基本计算公式，对一级蒸馏Kalina循环进行了热力学分析。

Based on the first law of thermodynamics and the properties of ammonia-water mixtures estimated by Peng-Robinson equation of state , a thermodynamic analysis of a representative Kalina cycle - the stair distillation cycle was presented .

脉管制冷机的热力学第一定律和第二定律分析

Thermodynamics First Law and Second Law Analysis for Pulse Tube Refrigerator

热力学第一定律、第二定律的能量概念及延展

Concept and Extension of Energy in First and Second Law of Thermodynamics

开放系统中的热力学第一定律

The Investigation of the First Law of Thermodynamics in an Open System

热力学第一定律的微观阐释

The Micro Explanation of the First Law of Thermodynamics

热力学第一定律在p&v图上的表示

The First Law of Thermodynamics in the P-V Graph

相对论热力学第一定律的探讨

Some Discussions on the First Law of Relativistic Thermodynamics

这是热力学第一定律。

It 's the first principle of aerodynamics .

教授：上一次我们谈到，热力学第一定律。

PROFESSOR BAWENDI : Last time you talked about the first law of thermodynamics .

它的原理是依据热力学第一定律，是一种全新的技术。

It is a new technology on the base of first law of thermodynamics .

这是热力学第一定律的一个抽象，而且具有很强数学性的表述。

This is an abstract and powerful mathematical statement of the first law of thermodynamics .

热力学第一定律的讨论

Discussion on the first law of thermodynamics

这是一个相当有用的表述，是热力学第一定律的另外一种形式。

Fairly powerful statement , and that 's another form of the first law of thermodynamics .

热力学第一定律在估算柴油机冷却水量中的应用

The application of the First Law of thermodynamics in estimation cooling water volume the diesel engine

本文用热力学第一定律给出电容器在工作时产生的热效应。

The heating effect of capacitors in operation is given based on the first law of thermodynamics .

我们用量子力学的语言重新解读了热力学第一定律。

We reformulate the first law of thermodynamics in terms of quantum-mechanical operators on the parameter manifold .

传热变化的内在能量两地的法律制度所涉及的，根据热力学第一定律。

Heat transfer changes the internal energy of both systems involved according to the First Law of Thermodynamics .

用几何的观点，把微分形式引进流体静力学，从而得到了热力学第一定律的一次形式。

Differential form was introduced into hydrostatics with geometrical viewpoint , the first mensural form of energetics was found .

以近独立单原子分子理想气体系统为研究对象，对热力学第一定律进行了微观阐释。

We had explained a micro mean of the first law of thermodynamics in a nearly independent ideal gas system .

以热力学第一定律为基础，引入多孔介质换热模型，建立了多孔介质发动机的能量方程。

An energy equation that incorporates a heat transfer model of porous medium is developed based on the first thermodynamic law .

2文化是一个开放的能量交换系统，它服从于热力学第一定律和热力学第二定律；

Culture is an open energy exchange system , and as such it obeys the first and second laws of thermal mechanics .