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Abstract: In this article,some problems existing in the design of apheroidal tank were briefly stated,including the advantages and disadvantages of use of quenched and tempered high strength steel as the material of spheroidal tank shell,thedividing type
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文摘:本文简述了调质高强度钢用于球罐壳体材料的优缺点和球罐设计中有关球壳的分割方式，焊接制造加工工艺，焊接裂纹的防止等问题，并提出了相应的建议。 |
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Abstract: In this article,the optimization of surface crack detection of speed reducer gear was made using fuzzy set theory,the result show that the rotation magnetic field is the best way of surface crack detection and lots of extending surface fatigue c
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文摘:采用模糊集的贴近度计算对齿轮表面探伤方法进行了优化选择，表明旋转磁场探伤是齿轮表面探伤的最佳方法，在实用中检测出大量的正在延伸扩展的表面疲劳裂纹。 |
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Abstract: In this article,the problems about the studens' characteristics and the cultivated aim etc.are analysed and the relevant counter-measures are raised in the teaching and studying reform of oral techniques in the higher 5-year professional school.
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文摘:分析了五年制高职口腔技术专业教学改革中有关学生特点、培养目标等几个问题，并就这些问题提出了相应的对策。 |
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Abstract: In this article,we discuss the calculation method of the heat analysis in the multilayer rectangular model system when there is heat source in the upper surface of the system.This method can be used in the heat analysis of the design of integrat
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文摘:研究上表面含热源的多层矩形模型半解析的热分析计算方法.该计算方法可以用于集成电路、混合电路和微电子组装件的热设计工作. |
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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. |
