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Abstract: In this paper chaos theory is used to study the predict ion methods of crack in concrete gravity dams.The equations of dynamics for crac k evolution are founded.With the reconstruction in phase space,the formulas of r elative dimension D2,repres
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文摘:在探讨用混沌与分形理论研究混凝土大坝裂缝演变机理的基础上，建立了裂缝演变的动力学方程组，通过相空间重构，得出显示裂缝动态特性的关联维数D2的表达式. |
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Abstract: In this paper conditional experiments of cobalt oxalate precipitatio n process are made.The influence of the process on cobalt powder size is analyze d and discussed.Regularity of cobalt powder size change is summarized.
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文摘:对草酸钴沉淀的工艺条件进行了试验，并分别就该工艺对钴粉粒度的影响进行了分析和讨论，总结出钴粉粒度变化的规律。 |
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Abstract: In this paper interactions of bilayer lipid membrane with clotrimazole as the antifungal agent were reported in order to interpret the action basis about the molecularbiology of this drug.Using the injecting method， we prepared three bilayer lip
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文摘:报道了抗真菌药克霉唑与人工脂膜的相互作用，试图阐明该药的分子生物学的作用基础.用注射方法分别制备3种双分子层脂膜(BLM)，并运用循环伏安法测量了修饰物克霉唑加入前后人工双分子层脂膜的电性质.结果发现克霉唑可显著降低膜电阻并证实该药确能改变人工双分子层脂膜的通透性. |
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Abstract: In this paper it discusses the method of how to count the numbers of aerosol particles through using many-corridors discrete quantity gathering system.
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文摘:讨论了运用多道离散量数据采集系统，对微粒子进行检测的方法。 |
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Abstract: In this paper recent progress in fiber optic cables is reviewed.
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文摘:本文对国内外光缆的最新进展进行了综合分析。 |
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Abstract: In this paper the connotation, characters,base principles,base model,as well as the domestic and foreign current situation and problems of land reclamation investment are discussed.
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文摘:讨论了土地复垦投资内涵、特点、基本原则、基本运行过程、基本模式及国内外土地复垦投资现状及问题。 |
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Abstract: In this paper the gasification characteristics of two-phase anaerobic membrane biosystem (MBS) were studied by experiment using starch wastewater. Effects and phenomenon of system？s energy recovery was analyzed.
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文摘:在实验室条件下，以淀粉配制废水为原水对两相厌氧膜生物系统(MBS系统)产气特性及其规律进行了试验研究，讨论并解释了该系统在能源回收过程中的现象和影响因素。 |
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Abstract: In this paper the histological structure chara cteristics of fur and skin of otter rabbit were studied by optical microscope a nd SEM.
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文摘:利用光学显微镜和扫描电子显微镜研究了獭兔皮毛被及皮板的组织结构，基本上探明了獭兔皮毛和皮板的组织构造特点。 |
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Abstract: In this paper the induced charge distribution on a spherical petroleum tank due to lightning is calcuated with analytical method,and that on a cylindrical petroleum tank is calculated with charge simulation method (CSM).Furthermore,the protectin
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文摘:本文用解析法计算了雷电先导在球形贮油罐上的感应电荷分布，用模拟电荷法(CSM)计算了雷电先导在圆柱形罐上的感应电荷分布；并对圆柱形罐上架设的避雷针的保护特性进行了计算校核和实验校核。 |
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Abstract: In this paper the main noise source of SQ6450 type light car was judged by means of spectrum and correlation analysis of noise signal.The corresponding proposal reducing noise was presented.
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文摘:对SQ6450轻型汽车进行了噪声测试，通过对噪声信号的频谱分析和相干分析，找出了主噪声源，并提出了降噪措施。 |
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Abstract: In this paper we elaborate some discussion and write r's actual experience aimed at post process of using UG software to identify two rotary axes of five-axis hexapod machine centre and initialize beginning of Proc edure.
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文摘:根据作者的实际体会就应用UG软件针对五轴加工中心的两个旋转轴的定义和程序开头初始化的后处理问题作了一些探讨。 |
