简要介绍了电机综合测试系统的组成,在此基础上分析了电机测试系统采集分析软件的开发功能需求,设计了系统软件架构。同时,基于该软件架构利用Visual Studio 2019开发环境中的C#编程语言进行电机综合测试系统采集分析软件的开发。详细...简要介绍了电机综合测试系统的组成,在此基础上分析了电机测试系统采集分析软件的开发功能需求,设计了系统软件架构。同时,基于该软件架构利用Visual Studio 2019开发环境中的C#编程语言进行电机综合测试系统采集分析软件的开发。详细介绍了软件人机界面的设计,并以三相异步电机作为典型案例,详述了试验软件典型试验项目的功能设计及实现过程。展开更多
Assuming the pores in a porous solid to be slit-shaped,according to the principle of surface chemical thermody-namics,an equation for the calculation of pore size fromthe desorption branch of the isotherm of physical ...Assuming the pores in a porous solid to be slit-shaped,according to the principle of surface chemical thermody-namics,an equation for the calculation of pore size fromthe desorption branch of the isotherm of physical adsorp-tion of nitrogen on the porous solid at liquid nitrogentemperature is derived.The calculation results obtainedby different methods,namely,the classical method,BBmethod and the method of this paper,are compared.Comparison shows that the pore sizes d_T and d_H calculat-ed by the method of this paper and BB method respec-tively are larger than the pore size d_c calculated by theclassical method in the range 0【p/p_s【1;d_T】d_Hatp/p_s【0.71 and d_H】d_T at p/p_s】0.71;The results byBB method and the method of this paper tend to be thesame as that by the classical method while p/p_s ap-proaches 1.展开更多
文摘简要介绍了电机综合测试系统的组成,在此基础上分析了电机测试系统采集分析软件的开发功能需求,设计了系统软件架构。同时,基于该软件架构利用Visual Studio 2019开发环境中的C#编程语言进行电机综合测试系统采集分析软件的开发。详细介绍了软件人机界面的设计,并以三相异步电机作为典型案例,详述了试验软件典型试验项目的功能设计及实现过程。
文摘Assuming the pores in a porous solid to be slit-shaped,according to the principle of surface chemical thermody-namics,an equation for the calculation of pore size fromthe desorption branch of the isotherm of physical adsorp-tion of nitrogen on the porous solid at liquid nitrogentemperature is derived.The calculation results obtainedby different methods,namely,the classical method,BBmethod and the method of this paper,are compared.Comparison shows that the pore sizes d_T and d_H calculat-ed by the method of this paper and BB method respec-tively are larger than the pore size d_c calculated by theclassical method in the range 0【p/p_s【1;d_T】d_Hatp/p_s【0.71 and d_H】d_T at p/p_s】0.71;The results byBB method and the method of this paper tend to be thesame as that by the classical method while p/p_s ap-proaches 1.
