本文介绍了50AT道岔钢轨的开发研制过程中孔型设计及试制情况。
The development process including the pass design and trial production of 50AT switch rail is introduced.
采用热力学方法推导出稳态非均匀温度场中孔型零件在受力情况下的热变形公式。
The equations of thermal deformation of hollow piece under stress in uneven steady-state and even steady-state temperature field have been obtained.
分析了原孔型系统及其在生产中存在的问题，并介绍了坯料切换中孔型修改设计的特点和生产情况。
Analyzes the former pass system and its problems existing in the production, introduces the design features of modifying the pass during changing the billet and the production situation.
计算分析了不等边Z 字钢在蝶式孔型中厚度变化的规律。
The alteration rule of inequilateral Z-type steel thickness in butterfly pass is calculated and analyzed.
在环件轧制过程中，孔型是环件轧制的重要工艺参数之一。
The rolling pass is one of the important technological parameters of the ring rolling process.
介绍了在角钢轧制中，开口切分孔型的优点和构成，并对开口及闭口切分孔进行了受力分析比较。
The advantage and forming of open slitting pass used in Angle steel rolling have been introduced.
结合生产实际，研究了动态规划法在棒、线材孔型设计中的优化方法，为高速线、棒材生产提供了一套以低能耗为目标的计算机优化软件。
To unite with manufacture practice, the optimization method of the dynamic programming law in the groove design of bar and wire stock was investigated.
在其孔型设计中，合理地分配了成型道次和弯曲角。
The finishing passes and bending angel were reasonably distributed during pass design.
前言：简述多目标优化方法，将此方法应用到棒材孔型设计中。
The essay presents multiple target optimization and success in applying design of bar pass.
本文针对蝶式孔型的结构特点，计算分析了不等边不等厚Z字钢在蝶式孔型中边部厚度变化的规律，为生产实践提供参考。
The alteration rule of inequilateral Z-type steel thickness in butterfly pass is calculated and analyzed on its construction property, which can give some information for production.
本文在现场生产条件下对3205窗框钢轧制过程中不对称孔型轧制K_1 ~ K_6的工艺参数进行了测定。
This paper introduces the determination of the nonsymmetrical roll pass K_1-K_6 processing parameters for 3205 window sections under the on-site production conditions.
介绍了唐山钢铁公司中型轧钢厂在实行负偏差轧制中，如何设计合理的孔型和确定合理的负度，以保证负偏差轧制顺利进行。
It is introduced how to design reasonable pass and determine the tolerance in rolling with negative tolerance to keep the production steady.
本论文开发的软件的主要功能是通过计算轧件在劈分孔型中的变形以及受力来确定轧件每个道次轧后断面形状从而设计出合理的孔型。
This dissertation can gain the size of profiled bar in any pass and design the proper pass by calculating the deformation and rolling-force of the steel in the pass .
在大圆钢轧制或大断面轧件延伸孔型系统中，双半径椭圆孔型与单半径椭圆孔型相比，具有轧件易咬入、变形较均匀、孔型磨损小等优点。
The double radius ellipse pass is better than the one of single radius ellipse in the big round bar or big section steel rolling.
将大孔型弱碱性苯乙烯系阴离子交换树脂d 370应用于精制微生物法丙烯酰胺水剂过程中。
Microporous styrene type weak basic anion exchange resin D370 is used to refine acrylamide solution in microbial method.
获得的结果对连续辊弯成形中的产品质量的控制和孔型的优化有着重要意义。
The simulation results are useful for product quality and the profile designed in continue roll forming.
根据实验结果，作者发现了在H型件轧边端孔型中的张力饱和现象。
A phenomenon called tension SATURATION was observed in experiments, which took place between universal pass and edger when edging H-beam in continuous rolling process with tension.
清洗结束后，晶圆表面纳米尺度的孔型结构中残留的是异丙醇（IPA）液体。
Isopropyl alcohol (IPA) remains inside nano-pore structure on the wafer surface after wafer is cleaned.
本文的目的为研究纳米尺度孔型结构中IPA的蒸发特性，以预测IPA在晶圆表面构型中的蒸发速率。
The purpose of this paper is to investigate IPA evaporation process inside nano-pores and to predict the evaporation rates.
作者对凝结水精处理中使用的大孔型树脂在上述过程中的特点及规律性进行了实验研究。
The acting characteristic and rule of macro-porous resin used in condensate fine treatment process have been studied.
介绍了有扭轧制中六角孔型斜配的意义、斜配角的选择，配辊及设计实例。
The significance of the hexagonal pass diagonal disign in (he twisting rolling, selection of the diagonal angle are introduced. The allocation of the pass and the disign example are introduced too.
本文的结果对辊弯成形中的产品质量的控制和孔型的优化有着重要意义。
The simulation results are useful for product quality and the profile designed in continue roll formin…
结论老年继发孔型asd患者行介入封堵治疗中、远期相对安全、有效。
Conclusion Intervention closure can be used effectively and safely for treatment of secundum ASD in aged patients.
通过有限元模拟分析和工业试验相结合研究了圆坯和方坯在菱方孔型中的变形规律，对比了方坯进菱孔和圆坯进菱孔轧制时的变形特点。
FEM and industrial rolling test are used to study the deformation behavior of square billet and round billet in diamond and square passes. The deformation for different rolling processes is compared.
本文研究了计算机辅助孔型设计(CARD)中的关键问题及处理方法。
The important problems and solution methods have been researched in this paper about Computer Aided Roll Pass Design (CDRD).
在用水平二辊连轧机轧制中，椭圆轧件进入圆孔型翻转时易出现错辊、导卫装置损坏、轧件划伤等一系列问题。
A serials of problems of miss position of roll, easy damage of guide and guard, scuff mark of piece were common during oval piece entering round pass by 2-h horizontal mill.
在用水平二辊连轧机轧制中，椭圆轧件进入圆孔型翻转时易出现错辊、导卫装置损坏、轧件划伤等一系列问题。
A serials of problems of miss position of roll, easy damage of guide and guard, scuff mark of piece were common during oval piece entering round pass by 2-h horizontal mill.
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