In the theoretical analysis of double-layered tube hydro-forming,the calculating process is very complicated and difficult not to obtain accurate analytical solution and meet engineering application with the actual stress-strain curve of inner tube.
双层管液压成形理论分析中,以内层管真实应力应变曲线的计算过程相当复杂,很难得到准确的解析解且难以满足工程的需要。
Based on the analysis and generalization of former research,the equivalent yield strength method suitable for hydro-forming of double-layered tubes was put forward,and the concrete approach to determine the equivalent yield strength was given.
胀合液压力的大小在双层管液压胀合过程中起着决定性的作用,因此准确地确定胀合液压力的范围至关重要。
The heat transfer coefficients of stirred vessel equipped with double coils were measured with water as heat transfer medium,using composite impellers.
以水为传热介质，采用组合桨，测定了装有双层蛇管的搅拌釜的传热系数。
Based on the energy conservation law,an expression formula for calculating the wetness of flowing wet steam measured by heating method for directly heating two concentric sleeve pipes,which are thermally isolated and electrically insulated from each other,an instrument used for measuring wetness of the flowing wet steam has been designed.
提出了一种以能量守恒定律为基础,用于加热法测量流动湿蒸汽湿度的计算表达式,并以此设计了一种彼此同心、相互绝热和绝缘的双层套管直接加热的实现流动湿蒸汽湿度测量的仪器。
Numerical analysis of pre-reinforcement action about double-layer pipe roof in multi-arch tunnel under the existing highway;
下穿公路连拱隧道双层管棚预加固作用数值分析
Key Technologies of Bimetal Tube Expanded Forming and the Equipment Research
双层管线形胀合力学研究及关键因素分析
two-tubing dual completion well
双管双层分采完成井
plastic corrugated pipe with double thin wall
双层薄壁塑料波纹管
Double Layer SAW Pipe with Large Diameter for Transmitting Oil and Gas
油气输送管道用大直径双层埋弧焊管
Attenuation of Double-layer Type Microwave Absorber Made of Carbon Nanotubes-dielectric Composite Material
碳纳米管/电介质双层吸波涂层衰减特性分析
Phosphor G16 for double-decker screen indicator tubes
GB/T10316-1988双层屏指示管用G16荧光粉
Phosphor G11 for double-decker screen indicator tubes
GB/T10315-1988双层屏指示管用G11荧光粉
Phosphor Y3 for double-decker screen indicator tubes
GB/T10314-1988双层屏指示管用Y3荧光粉
Two-Tier Approach Calculation and Application for Flow and Presure in Pipelines;
双层法在管网流量压力计算中的应用
Study on the Algorithms of Bilevel Programming Problem in Management System
管理系统中双层优化问题的算法研究
Salvage technology of double sanding in string of well Ze 10-70X
泽10-70X井双层砂卡管柱打捞处理工艺
Research and application of the dual-string separate-layer water injection technology
双管分层注水工艺技术的研究与应用
double bottom forward
首部双层底前部双层底
double pile velvetee
双层丝绒,双层立绒,双层天鹅绒
The Technology and Equiment of Hot Dip Plating Pb Sn Alloy on a Double Wall Brazed Tube
双层卷焊钢管热浸镀铅锡合金工艺与设备
Effect of van der Waals Force on Torsional Buckling of Double-Wall Carbon Nanotubes
范德华力对双层碳纳米管扭转屈曲的影响
Research on Double-layered Pressure Pipes and Their On-line Safety Monitoring Technology;
双层压力管道及其在线安全监控技术研究
Research on Bi-level Model and Method in Supply Chain Management;
供应链管理中的双层优化模型与方法研究