first law of thermodynamics

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

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。

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the symmetry of the permittivity tensor is found to be based on the first law of thermodynamics and the non-wastage condition.

由热力学第一定律及无损条件导出了介电张量的对称性；

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our teacher explained the first law of thermodynamics.

我们的老师解释了热力学第一定律。

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this is an abstract and powerful mathematical statement of the 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。

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The first law of thermodynamics states that energy can neither be created nor destroyed.

热力学第一定律说明,能量既不能被创造,也不能被破坏.

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On the basis of the zeroth and first law of thermodynamics, the existence of absolute temperature and entropy function has been proved, and the basic equation of thermodynamics of reversible processes has been derived;

本文从热力学第零定律和第一定律出发，证明了绝对温度和熵函数的存在性，导出可逆过程的热力学基本方程。

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discussion on the first law of thermodynamics

热力学第一定律的讨论

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

我们用量子力学的语言重新解读了热力学第一定律。

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

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。

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molar heat capacities in the processes of quasi static state of perfect gases are discussed according to the first law of thermodynamics in this paper.

从热力学第一定律出发，详细讨论了理想气体准静态过程中的摩尔热容。

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professor bawendi: last time you talked about the first law of thermodynamics.

教授：上一次我们谈到，热力学第一定律。

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all human beings obey the first law of thermodynamics.

所有的人都在遵循热力学的第一定律。

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fairly powerful statement, and that's another form of 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。

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at present, research on energy saving air-conditioning systems remains in the first law of thermodynamics and second law of thermodynamics basis.

而目前，空调系统的节能方法的研究，还停留在热力学第一定律和热力学第二定律的基础上。

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based on the conduction transfer function ( ctf) model of a multi-layer wall, the ctf model of an envelope is established based on the first law of thermodynamics.

在复合平壁瞬态导热传递函数模型的基础上，通过热平衡原理建立了围护结构瞬态导热的传递函数模型。

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it is a new technology on the base of 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。

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the micro explanation of the first law of thermodynamics

热力学第一定律的微观阐释

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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.

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。

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our teacher explained the first law of thermodynamics and thermochemistry today.

我们的老师今天讲解了热力学第一定律和热化学。

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The idea that energy is conserved is the first law of thermodynamics.

能量守恒这一概念是热力学的第一定律.

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

由热力学第一定律可知，LNG气化时必然会释放大量的冷能。

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the investigation of the first law of thermodynamics in an open system

开放系统中的热力学第一定律

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The data model of the material and energy system is established based on the mass balance and the first law of thermodynamics. The material and energy balance of various systems is analyzed.

以物料守恒和热力学第一定律为基础，建立了各系统的物质能量系统数据模型，分析了各个系统内物料及能量的平衡状况。

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so he grabbed his thermometer, and went and made a couple of measurements and discovered the first law of thermodynamics.

所以他拿来了温度计，进行测量，后来就发现了热力学第一定律。

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