查询词典 polytropic

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。

It is pointed out that the heat capacity of a polytropic process is not certainly a constant, and that the adiabatic process can not be regarded as a special case of polytropic process.

状态方程为 p Vn=c。定义 2 [4 ] 理想的等温过程、绝热过程都是难以实现的。气体状态变化时，总是和外界进行部分热交换，实际过程介于上述两个理想过程之间。

In this paper,according to the polytropic spectral characteristics and physicochemical characteristics of neodymium,the effect of neodymium on color generation of discolour glaze was systematically probed,the reason and mechanism of neodymium discolourment in glaze were elaborated,so as to be helpful to the development of discolour glaze and its theoretical research.

根据氧化钕独特多变的光谱特征及物理化学特征，探讨了钕对变色釉呈色的影响，阐述了其在釉中的变色原因及其机理，对变色釉的开发和理论研究有一定指导意义。

In this paper,according to the polytropic s pectral characteristics andphysic ochemical characteristics of rare earth neodymium,the reason and mech anism ofneodymium discolourment in glaze were elaborated,so as to be helpful to the development of discolour glaze and its theoretic al research.

本文根据稀土钕独特多变的光谱特征及物理化学特征，阐述了其在釉中的变色原因及机理，希望能对变色釉的开发和理论研究有所帮助。

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。

The L-K method and the polytropic analysis proposed by Schultz are applied for the real gas thermodynamic analysis.

实际气体的热力过程采用L-K方法和Schultz的多变分析。

We are concerned with delta shocks and vacuum solutions to the relativistic Euler equations and the regular reflection problem of a planar shock for polytropic gases.

本论文研究了两方面内容：其一为相对论Euler方程组中delta波及真空解问题，另一个为多方气体的平面激波正规反射问题。

The valve of polytropic specific heat capacity is depending on polytropic exponent n.

多变比热容的数值仅决定于多变指数n 的数值。

It is shown that the generation of the PA effect results from two kinds of contribution only. One is the contribution of so called"thermal piston"--the gas boundary layer adjoining the heated sample which expands cyclically and pushes the rest gas just like piston. The compressing process of it is comfirmed to be isochoric. And the other is that of"mechanical piston"--the thermally expansive sample itself, the compressing process of which is found to be polytropic with a index of (2-〓).

一即是被称为&热活塞&的与材料受热表面相邻的边界层气体周期性热膨胀产生的压缩，其是定容过程；另一是被称为&机械活塞&的材料本身热膨胀产生的压缩，其是多变过程，多变指数为2-〓，γ为绝热压缩因子。

In our system, we use three polytropic expansions which correspond to real life, to which we added two thermal exchanges during the expansion phase to come as close as possible to isothermic expansion which produces near-unity, avoiding friction.

在我们的制度，我们使用三个多变扩展对应于现实生活，这是我们增加在扩大交流，第二阶段的热来尽可能扩大的生产恒温近团结，避免摩擦关闭。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐