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Abstract: Analyzed mechanics for vibration of Photoelectric Encoder and its influence, introduced the ordinary method for vibration-reduced, based on this,a new designing method for vibration-reduced of Photoelectric Encoder is put forward based on asynch
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文摘:分析了光电编码器的振动机理及影响，介绍了目前使用的减振方法，并在此基础上，提出了一种基于异步逻辑设计的光电编码器减振电路设计方法，给出了其具体的应用事例。 |
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Abstract: Analyzing the general method of temperature screening for assembly in our country,combined with the experience of accelerated testing abroad, we proposed a definition method of parameters,such as temperature range, rate of change of temperature
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摘要：分析了目前国内在组件温度筛选方面的一般做法，吸收国外加速试验的经验，并借鉴定量筛选中根据成效率确定无故障检验时间的方法，提出了组件温度筛选中各参数(如温度范围、温度变化速率、高低温保持时间和循环数)的确定方法，并以一种税控加油机主板的温度筛选为例，介绍了组件温度筛选方法研究中所总结的一些经验。 |
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Abstract: Another method for proving the three thermodynamical partial derivatives equaling chemical potential is given.
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文摘:对三个热力学偏导数等于系统化学势给出了又一种证明方法. |
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Abstract: Appearance of worm transmission wear and tear is analysed in the production practice,the way of solving is put forword and carried out,gaining effect.
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文摘:分析了生产实践中蜗杆传动磨损现象,提出了解决办法并付诸实施,取得了一定的成效. |
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Abstract: Application status and trends in hydrodesulfurization (HDS) and olefine hydrogenation catalysts are reviewed.
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文摘:综述了国内外加氢转化催化剂的开发应用现状和发展趋势。 |
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Abstract: Apply computer simulation to the distribution pattern of air-flow without considering the cold condition of the combustion and compare the flow patterns under different designed circumstances.And the effect of the design of the partition in the
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文摘:应用计算机模拟的方法，在不考虑燃烧的冷态情况下，研究了热风炉燃烧室内的气流分布规律.在此基础上，比较了2种不同设计方案的气流流动特征，尤其是研究了燃烧器空气通道内阻流板的设置与否对空气和煤气的流动和混合的影响.结果表明，阻流板的设计对加强空气和煤气的混合有着极为重要的作用，同时也增加了空气管道的阻力损失，在同样的工况条件下需要提高管道系统的总压力. |
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Abstract: Applying the research findings of “Diagnosis of Single Diseases and its Expense Coefficient”, the Shengyang Military Region implemented the experimentation of fund appropriation in its 23 military hospitals.
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文摘:沈阳军区应用“单病种诊断与费用相关系数研究”成果，于1999年在全区23所医院进行了卫生事业拨款试点。 |
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Abstract: Articles about the theory of “distribution function of surface charge density” are reviewed and that this theory is incorrect is argued from viewpoint of symmetry.
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文摘:从对称性角度出发讨论了导体表面的电荷分布问题，并对“电荷密度分布函数”的理论作了评述. |
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Abstract: Artifical intelligence methods are implemented to simulate thebehaviors of axially and laterally loaded piles using the field observation tests data obtain ed f rom the drilled shafts and driven piles.The optimal neural network model is deve lop
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文摘:根据钻孔桩和打击桩的原型试验观测的数据,运用人工智能方法对横向承载桩和轴向承载桩的工作特性进行模拟,并利用标准贯入试验(SPT-N)值和桩的几何特性等简单的输入数据,开发出相应的优化神经网络模型;然后,运用反向传播神经网络模型和广义回归神经网络模型分别对某工程的钢筋混凝土桩进行分析,并将求得的预测结果与常规设计法的结果进行比较,结果表明神经网络方法比传统方法有明显的优越性,在实际工程设计中具有重要的参考价值和现实意义。 |
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Abstract: Artificial neural networks has been applied to simultaneous determination of fluorene and acenaphthene by ultraviolet spectrophotometry.After compared the results of the synthetic samples obtained from the method above mentioned with those from
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文摘:用人工神经网络-紫外吸光光度法不经分离同时测定芴和苊，并与偏最小二乘-紫外吸光光度法比较.对合成样品进行分析.结果表明，人工神经网络法同偏最小二乘法一样能获得满意的分析结果. |
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Abstract: As Lanzhou construction areas extend towards Gaolan Mountains, Baita Mountains and the valley regions, the problem of environmental control for the made fill &excavation reconstruction project sites becomes more and more obvious.
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黄土填挖改造工程场区的环境条件十分复杂，只注重工程建设而忽视环境治理，将危及建筑物和工程场地的长期安全。 |
