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Abstract: According to the theory of hydrodynamic finite element,the pressure field of new type of dynamic thrust bearing is calculated,the effect of the oil temperature on the oil viscosity is considered,and the test and study are made on the reversible
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文摘:考虑了温度对润滑油粘度的影响，根据流体力学有限元理论，对新型动压推力轴承轴瓦的压力场作了计算，并在可逆式动压推力轴承实验台上进行了验证. |
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Abstract: According to the theory of mechanical reliability design, discuss utility computed methods of reliability design of bolt coupling to give design compete formula and steps of reliability design of bolt coupling and selection of principal paramete
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文摘:根据机械可靠性设计理论,论述了螺栓联接的可靠性设计实用计算方法,给出了螺栓联接可靠性设计计算公式和设计步骤,并对主要设计参数的选择进行了实验研究分析。 |
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Abstract: According to the theory of one-level recombination center, a simple analysis of the relations between the trap、recombination center and the level position is given.
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文摘:利用单一能级复合中心理论，分析了杂质和缺陷作为陷阱和复合中心与能级位置的依赖关系. |
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Abstract: According to the thought that static electricity can absorb dust, we now have applied it to the windows of our daily life in order to prevent the outdoor dust and guarantee the indoor aeration.
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摘要：将静电吸附灰尘原理应用到日常生活中的窗户上，能达到阻隔室外灰尘进入室内，保证室内通风的双重目的。 |
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Abstract: According to the urgent need of anti-cruise missile,a brief ana lysis was made not only on the technical specifications of anti-TBM missile but also on cruise missile infrared characteristics.On the basis of the capabilitie s of low-altitude air
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文摘:根据反巡航导弹的迫切需求，进行了反TBM与反巡航导弹技术特点和巡航导弹目标特性的简要分析，在探讨低空防空导弹武器系统反巡航导弹能力的基础上，提出了一些改进设想和技术途径，以提高其反巡航导弹能力。 |
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Abstract: According to the variation in content of characteristic radioactive nuclide and the close relationship between high-grade associated elements in ore-forming components and gold,the ground gamma-ray spectrometry and X-ray fluorescence slectrometr
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文摘:通过测定特征放射性核素的含量变化以及利用成矿组分中一些高品位共生元素与金密切的相关关系，可利用地面伽马能谱与X荧光测量在现场快速揭示金矿化的存在，同时对金的品位进行准定量评价，以及指导野外地质采样和山地工程。 |
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Abstract: According to theoretical analysis and experiments on the throttle control system,the quantitative relationship among the speed of executive element , the flow area of the throttle and the load is determined.
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文摘:本文通过对进油路节流调速系统的理论分析与试验研究，阐明了执行元件的运行速度与节流阀的通流面积以及负载之间的定量关系。 |
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Abstract: According to time-sharing price counting policy of electricpower,the relationships of current density and current efficiency at different ratios of sulfuric acid and zinc are obtained through analyzing process data of electrolytic zinc process(E
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文摘:依据电力部门的分时计价政策，根据由生产过程数据所建立的不同酸锌比下电流密度与电流效率间关系，建立锌电解过程分时供电优化模型.同时，提出一种带变异操作和变搜索空间的单循环模拟退火算法，并将该算法应用于分时供电优化调度，获得最优的分时供电方案.工厂运行结果表明：整个优化调度系统能显著降低锌电解过程的电耗并增加分时效益. |
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Abstract: Accurate market positioning is the precondition for logistics corporations to gain an edge in the new round competition.
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摘要：市场的准确定位是物流企业在新一轮竞争脱颖而出的决定条件。 |
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Abstract: Activated carbon fibers were treatment by the method of gas and liquid oxidizing processes.The effect of surface acidity and surface polarty were transformed.Oxidative property of ACF on SO2 adsorpt ion was studied by chemical treatment.It can b
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文摘:通过对活性碳纤维的气相氧化和液相氧化处理，改变了活性碳纤维的表面酸性和极性，研究了化学改性对活性碳纤维吸附性能的影响.结果表明，改性后的活性碳纤维对SO2的吸附能力明显增强. |
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Abstract: Addressing the problems encountered in localizing oil well tubing production, the co authors analyze the influences by aspects, namely, product quality, product R ＆ D, operation, technical level of equipment and competition in this specific ind
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文摘:针对油井管国产化遇到的问题，分析论述了产品质量、品种开发、使用操作、装备技术及行业竞争的影响，指出了加强油井管国产化的必要性以及阻碍当前发展的原因。 |
