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Abstract: The method of fast finite element analysis of sheet metal forming based on deformation theory was explored, and the computer program was implemented.
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文摘:研究了基于形变理论的金属板料成形快速有限元分析的方法——反向方法，并实现了计算程序。 |
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Abstract: The method of generating infrared image of target in the sky was proposed.At first,the geometric model of the target in the sky was built with grid;Secondly,using the theory of aerodynamic and heat transmission,the thermal equation of the differ
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文摘:提出了空中目标的红外图像生成方法，首先是空中目标的几何建模及其网格化，然后据飞机空气动力学和传热学原理提出了空中目标几种蒙皮(单层蒙皮、内有燃油蒙皮、发动机影响区蒙皮)的热平衡方程，然后以超音速飞机为例，介绍了方程的求解过程，最后给出了计算机的仿真结果及分析。 |
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Abstract: The method of making a courseware by visual programming is introduced.The results show that the visual programming is a main mode to make an interactive courseware.
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文摘:介绍用可视化编程的方法制作的一个课件，说明可视化编程是交互式课件制作的一个主要方式. |
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Abstract: The method of using formaldehyde buffer solution a b sorption-hydrochloric pararosaniline spectrophotometry to determine sulfur diox ide in air has higher sensitivity and good selectivity,and prevents from adoptin g mercurial absorbent.But the c
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文摘:以甲醛缓冲溶液吸收-盐酸副玫瑰苯胺分光光度法测定空气中的二氧化硫，方法灵敏度高，选择性好，避免了使用含汞的吸收液，但如果实验条件控制不好，试剂空白值及标准曲线的斜率就会不符合《空气和废气监测分析方法》中规定的值，本文着重从操作技巧方面对二气化硫测定的实验室质量控制进行分析，仅供参考。 |
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Abstract: The method to add Chinese annotation in PCB with C-language was discussed.
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文摘:论述了用C语言在PCB中加中文注释的方法。 |
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Abstract: The method to determine the shape of solidification shell in the process of continuous casting of steel is studied.By establishing the model of stable temperature field,with the observation of first and second boundary value on the exterior of t
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文摘:讨论了钢铁工业连铸过程中结晶器内连铸坯凝壳形状的确定方法.通过建立稳定温度场模型，在现有观测条件下，用边界变分方法给出了确定铸坯凝壳形状的辨识算法.实验数据显示此方法是有效的. |
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Abstract: The methods to determine the chrome content of waste liquor of modified two-bath chrome tanning process were studied by chemical analysis.
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文摘:研究了变型二浴法的鞣制废液中，铬含量测定的化学分析方法。 |
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Abstract: The methods to ensure the quality and reliability of aluminum electrolytic capacitors are provided based on the author's experience in practice.
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摘要：根据实际的工作经验，介绍一些可以保证电解电容器的质量与可靠性的方法以及须注意的有关问题，具有一定的参考价值。 |
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Abstract: The micro-mechanism of short crack and the influence of micro-structures on short crack propagation have been investigated by OM，SEM and TEM for a LY12CZ Aluminium alloy.
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文摘:通过扫描电镜、透射电镜、光学金相等手段对LY12CZ铝合金疲劳短裂纹的微观机制进行了分析研究，结果表明，材料的微观组织对短裂纹扩展行为有很大影响。 |
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Abstract: The microcomputer control system of the industrial boiler is established so as to guarantee the normal work and economic burning o f the boiler.The control algorithm is introduced and the anti-interference meas ures are presented in the paper.
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文摘:以保证锅炉正常运行和经济燃烧为目标，建立工业锅炉微机控制系统，介绍了一种锅炉控制算法，提出了抗干扰的措施。 |
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Abstract: The microstructure of as-cast high Cr injection micro-alloying martensitic cast iron and the substructure of martensite in it have been observed under SEM and TEM.The alloying element distribution related to phase formation,as well as the variou
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文摘:应用扫描电镜和透射电镜研究了喷射微合金化的铸态马氏体高铬铸铁显微组织及马氏体的亚结构，并借助X射线衍射与电子探针分析探讨了合金元素的分布与相形成的关系，以及碳化物的不同形式分枝与畸变。 |
