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    The Propositions for the Calculation and Construction on the P.C. Members after Transfer in the Concrete Structure Code (GBJ10-89)
    GBJ10—89砼结构规范预应力砼构件预拉区计算与构造规定的建议
    Principles of Atomic Structure and the Valence Electron Configurations of the Transition Elements
    原子构造原理与过渡元素原子的价电子组态
    STRUCTURE OF REGENERATOR BASE AND ITS STRESS ANALYSIS
    蓄热室底板的结构构造和应力分析
    It includes five parts as follows:1. Knowledge notation of chemical reaction and structure of chemical synthesis tree.
    本文包括如下部分:(1)化学反应式的知识表示与化学合成树的构造
    Using the provisions of calculation and construction on the prestressed concrete members after transfer in the concrete structure code (GBJ 10-89) were inconvenient.
    现行砼结构设计规范(GBJ10-89)关于预应力砼构件预拉区的计算与构造规定,在使用上并不简便;
    We obtained a new structural isomer of C_(32) with D_(2h) symmetry, It's structures that are not formed by pentagons and hexagons, the Density Functional Theory (DFT) RB3LYP method have been performed at the 6-31G(d) level, our calculated results have shown the structure is stable.
    我们构造出一种新的类笼形C32异构体,不包含五边形和六边形结构,具有D2h对称性。 采用密度泛函理论DFT的rb3lyp方法在6 31G(d)基组水平上进行了相关计算。
    The structure and working process have been described in brief about BPO 28/150 liquid oxygen pump in this paper,bring out a quick method of defrosting,when the filler in pump and the pole of pillar-piston freeze each other commingling water,and analyze and compare it with the conventional method.
    简介了BPO 28/150型液氧泵的构造及工作过程,给出了泵体内密封填料与柱塞杆遇水分冻结卡住时的一种快速排除方法,并与传统的排除方法进行了分析比较。
 

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