e-power

By analyzing the performance data of H.I. C. E and PEMFC, the viewpoint is presented on the trends and prospects of automobile power devices in the 21st century. The paper generalized the progress on the fuel cell vehicles gained by several famous companies in the world.

介绍了氢能汽车动力装置的最新研制、发展动态，通过对氢内燃机（H.I.C.E）和质子膜燃料电池（PEMFC）性能数据比较分析，对21世纪汽车动力装置的发展趋势和前景提出了观点。

In this paper, for the function of Chebyshev expansion, the approximating function having the approximant's order of Chebyshev polynomials is given by means of Faber mapping and quadratic Pad é approximation of power series, and it is also expressed by the fraction of Chebyshev polynomials.

对于具有Chebyshev展式的函数，文章利用Faber映射及幂级数二次Padé逼近，给出其具有关于Chebyshev正交多项式的逼近阶的逼近函数，并将其用Chebyshev正交多项式分式表示。

Analysis of class E tuned power amplifier with antiparallel diode at switch

带有反向并联二极管的E类调谐功率放大器的分析

The Research of Lanzhou E-power Group Management Patterm

兰州倚能电力集团管理模式研究

An E-Power warehouse management system is adopted by SDEC. The process of the system application is presented from four aspects: project planning, system function, flow process management and personal training.

结合E-Power仓库管理系统的实施运用，从项目规划、系统功能、流程管理、人员培训等四个方面，介绍了该系统的应用过程。