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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。 |
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Abstract: The mechanism and the choice of processing conditions of silica dielectric in ULSI manufacturing were studied.The way of increasing the polishing rate and improving the surface condition by using chemical method was suggested.The question of dep
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文摘:对超大规模集成电路制备中二氧化硅介质的抛光机理、工艺条件的选择进行了大量理论和实验研究，着重研究了使用化学方法提高抛光速率、改善表面状况以及如何解决抛光浆料的沉积等问题，并实现了技术突破。 |
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Abstract: The mechanism of dust extinguishing by magnetization water is expounded,the experiment results are analysed,and the technical ways of industry imprementation are defined.So,a new technique measure for industry dustproof is added.
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文摘:阐述了磁化水灭尘的机理，分析了实验结果，确定了工业实施的技术途径，为工业防尘增添了新的技术措施。 |
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Abstract: The mechanism of vision automatic guided and automatic drive of farm working group and mechanism of achieving farm corn fertilizing at certain place in certain time with certain quantity fertilizer according to the recognized growing status of c
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文摘:分析了采用机器视觉识别大田玉米的生长状况进而实现大田玉米定时、定点、变量精确施肥和实现农业机组的视觉自主导航和无人驾驶的机理。 |
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Abstract: The method about constructure of a new compactly supported orthonormal wavelet and scale function concerned is put forward and the exponent regularity of the kind of wavelet and related scale function is estimated accurately.
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文摘:提出了一类新的具有紧支集的标准正交小波基以及相关的尺度函数的构造方法，准确估计了该类小波和相关尺度的正则性指数。 |
