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Abstract: The mathematical model is applied to study fluid flow in continuous casting tundishes.The flow field in the casting tundish of the plan is simulated and analysed.The result reveals there exist some problems and improvements on them have been poi
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文摘:应用湍流流动的数学模型研究五流连铸机中间包内钢液的流动，对某厂五流连铸机中间包的流场作了模拟和分析，结果表明，该中间包存在一些问题，指出了改进的方向. |
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Abstract: The mathematical model of reliability design for shaft rigidity was established based on reliability inference theory.Reliability calculation of cylinder shaft rigidity of press was proceeded and regularity of cylinder shaft rigidity reliability
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文摘:应用可靠性设计相干理论建立了轴的刚度可靠性设计的数学模型，着重探讨印刷机印刷滚筒轴的刚度可靠度的计算，并得出不同条件下印刷滚筒轴刚度可靠度的变化规律。 |
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Abstract: The mathematical model of reverse-rotary til ler was derived on the basis of relationship between design parameters (includin g geometric parameters and motive parameters) and power consumption.
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文摘:该文对潜土逆转旋耕机刀片的切削过程进行了受力分析，建立了同时含有两种设计参数（刀片的几何参数和旋耕机的基本速度参数）的功耗模型。 |
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Abstract: The mathematical model that describes the reaction kinetics and molecular weight distribution for the polycondensation reaction process is developed by methods of reaction extent and generation function,in which an industrial process of poly(eth
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文摘:以一个工业化聚酯生产过程为例，将反应度法和生成函数作为工具，建立了描述此类缩聚反应过程的反应动力学及其分子量分布的数学模型，并介绍了求解数学模型的方法。 |
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Abstract: The maximum tube distribution numbers in tube sheet limited circle for fixed tube sheet heatexchanger have been determinded by used of the superposition method with computer based on C language programming.It is characterized by determination th
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文摘:采用迭加的方法，使用C语言编程在微机上实现管板布管限定圆最大布管数的确定.该方法可根据中心布管数是奇排列还是偶排列来确定最大布管数，简便易行，计算速度快，对换热器的设计及工艺计算具有实用价值. |
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Abstract: The meassure to reduce the static error when manufacturing axial parts on a hydralic profiling tool slide is deduced in theory with positive feedback adjusting method.
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文摘:本文应用顺馈校正的方法，从理论上导出了在车床上用液压仿形刀架加工轴类零件减小稳态误差的措施。 |
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Abstract: The measurement method of pressure waveform of extracorporeal shock wave lithotriptor(ESWL)and several problems related to measurement are discussed in this paper.And the lithotoiptor made by Beijing Zhongke Jianan medical technique Co.used to m
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文摘:本文介绍了体外冲击波碎石机(ESWL)压力波形的测量方法及测量过程中应解决的几个问题，并对北京中科健安医用技术公司生产的碎石机进行了测量。 |
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Abstract: The measurement method of the polarization grade for the source and depolarization and the concept of the polarization error for the illuminance meter are described.
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文摘:介绍了光源偏振度的测量和消偏振的方法以及照度计偏振误差的概念。 |
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Abstract: The measurement of laser-induced damage optical surface play an important role in development of laser weapon or the National Ignition Facility.In this paper, by combining with the experiment, we comment on the defects and advantages of two meas
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文摘:激光损伤光学表面的检测在激光武器和激光核聚变驱动器的研究过程中占有重要的地位，结合实验研讨了激光损伤光学表面的检测原理，即宏观检测与微观检测原理的优缺点。 |
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Abstract: The measuring principle and application of vortex flowmeter are introduced.
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文摘:介绍涡街流量计的测量原理及应用。 |
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Abstract: The mechanical structure of washboard valve leveler is introduced ,The alignment mechanics of curving bar and hemilateral pan of the valve is analyzed, The mechanical ,the shape of washboard and the effect of alignment quality and efficiency cau
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文摘:介绍了搓板式气门校正机的机械结构，分析了气门杆部弯曲校直和盘部偏歪校正的机理，讨论了机器结构，托板形状和气门在两搓板间的过盈配合量对校正质量和效率的影响。 |
