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Abstract: In this article，the vibration of a three-cylinder engine equipped on cars is discussed.After the theoretical analysis and practical measurements，we improved the balance characteristics according to rule of over-balancing.Meanwhile，the position o
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文摘:本文以一实际的三缸车用发动机为例，经计算分析与实测，采用过量平衡法改善其平衡特性以及对该机的支承位置和减振器刚度进行调整后，使该机组振动烈度大大降低，达到了预期效果。 |
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Abstract: In this paper , a high-precision DC stabilized voltage source made up of common electronic device is developed .
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文摘:本文介绍了一种以常用电子元器件构成的高精度数控直流稳压电源。 |
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Abstract: In this paper ,the failure analysis of a type of high frequency power transistor is introduced .
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摘要：介绍了对某型号高频大功率晶体管进行的失效分析。 |
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Abstract: In this paper a new technology for upperpunch in ceramic tile die with isostatic pressing is introduced,static-pressure area ratio and bonding area ratio are changed into independent technological parameters and can be separately designed.
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文摘:本文介绍了等静压瓷砖模具中上模芯的一种新型工艺结构,它使静压比和粘贴比成为两个互相独立的参数,可以分开进行设计。 |
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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。 |
