The polytropic efficiency is one of the most significant indicators.
多变效率是最重要的指标之一。
The polytropic processes are used for the performance analysis of Stirling cycle.
应用多变过程来分析斯特林循环性能。
Pursue user-friendly criterion indoor outer space, creation as far as possible many polytropic characteristics.
追求人性化尺度的室内外空间，创造尽量多的多元性特色。
Distinctive originality which is always reflected in the polytropic shopping space brings fashionistas life kaleidoscope.
独特创意的百变空间，开启时尚达人生活万花筒。
The polytropic efficiency is one of the most significant indicators which are used to judge the economical efficiency of the units.
离心式压缩机组广泛应用于石油天然气工业领域，而多变效率是衡量该系统运行经济性的重要指标之一。
In chapter three and four, we give some state equations of real gas and the thermodynamical analysis in polytropic process based on the theory of ideal gas.
第三、第四章在理想气体的基础上，得出了实际气体状态方程及其多变过程中热力学计算。
In this paper, the internal energy and heat of the polytropic process, the adiabatic process and the isothermal processes of the varying mass system are discussed.
讨论了变质量系统的多方过程、绝热过程及等温过程的能量关系，并与常质量系统的多方过程、绝热过程及等温过程的性质进行了比较。
A method of studying the characters was proposed by the piecewise process and the polytropic exponent based on ideal gas polytropic equation adapted generally at present.
针对目前普遍采用的理想气体多变方程，提出分段处理多变指数的研究方法。
Thus an analytic formula with two parameters of high explosive (i. e. detonation velocity and polytropic index) for estimation of the velocity of flying plate is established.
从而给出了用爆速和多方指数等两个炸药示性参量表出的估算飞片运动的良好近似公式。
The one-dimensional problem of the motion of the rigid plate under explosive attack has an analytic solution only when the polytropic index of detonation product equals to three.
刚性飞片在炸药爆炸作用下的一维抛掷问题，仅当爆炸气体多方指数等于三时可以求得解析解；
It has been proved that the process of coal and gas outbursts is not an adiabatic process accepted by most researchers but a polytropic process that is nearly an isotherm process.
研究结果表明，煤与瓦斯突出不是大多数学者认为的绝热过程，而是一个偏向于等温过程的多变过程。
It has been proved that the process of coal and gas outbursts is not an adiabatic process accepted by most researchers but a polytropic process that is nearly an isotherm process.
研究结果表明，煤与瓦斯突出不是大多数学者认为的绝热过程，而是一个偏向于等温过程的多变过程。
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