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Abstract: The main points about development of application programs based on VISA for VXIbus are presented,including addressing an instrument,accessing a message-based device and a register-based device,handling events and errors.Some practical programs a
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文摘:介绍了利用VISA库进行VXI总线编程的几个要点，包括仪器的寻址、消息级器件的访问、寄存器级器件的访问、异步事件处理和出错处理等，并给出了示例程序。 |
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Abstract: The main problems existed in the standardization of the landscaping industry of Shenzhen are analyzed in this paper, the objects and the principles of urban landscaping technical standard system of Shenzhen are put forward and the frame-chart of
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摘要:分析了深圳园林绿化行业标准化工作存在的主要问题，提出编制《深圳城市园林绿化技术标准体系》的目标和原则——系统性、先进性、地方性，构建了《深圳城市园林绿化技术标准体系》框架图，为园林绿化行业的规范发展和技术标准的制定提供标准化指引。 |
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Abstract: The major functions，features and operational principle of the detector for underground dissolved cavity are introduced．The simulation test results of the performance of the detector are presented.
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文摘:介绍地下溶腔测试仪的主要性能、特点和工作原理，给出了测试仪性能的模拟试验结果。 |
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Abstract: The mass spectrometry technique is introduced in this pa per.The method is also discussed,which determines quickly and accurately the molecular weights of leather chemicals.Such as tannin and collagen by mass spec trometry.
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文摘:介绍了质谱技术及其在皮革化学研究中快速、准确测定单宁、胶原蛋白分子量的方法。 |
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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。 |
