Radio-Wave-Propagation

说明：  介绍关于crypto_api的相关使用说明，着重于运用。(Introduce the relevant instructions on the crypto_api focus on the use.)

说明：  本文对opnet的使用进行了说明，希望对大家的学习有用(This paper describes the use opnet, we hope to learn useful)

一个关于用python语言写abaqus的脚本的好的教程(LearnAbaqusScriptInOneHour)

说明：  操作系统课件 习题 ppt 和很好的课后习题答案(Operating system software ppt and good after-school exercises exercises answers)

ansys壳单元分析箱梁的命令流，可修改箱梁参数(ansys shell command stream analysis of box girder, box girder parameters can be modified)

Calcules for integral, in pdf

Nehe的opengl全部教程，适用于c++语言，适合初学者。(All Nehe' s opengl tutorials for c++ language, suitable for beginners.)

Isaac Newton Philosophiae naturalis principia mathematica

CSS网页布局与美化，完全使用Div+css。(CSS page layout and landscaping)

In this article an attempt has been made to solve load frequency control (LFC) problem in an inter- connected power system network equipped with classical PI/PID controller using grey wolf optimization (GWO) technique. Initially, proposed algorithm is used for two-area interconnected non-reheat thermal- thermal power system and then the study is extended to three other realistic power systems, viz. (i) two- area multi-units hydro-thermal, (ii) two-area multi-sources power system having thermal, hydro and gas