Amino-monomethoxypoly(ethy1ene glycol)(mPEG-NH2) was synthesized based on the principle of Gabriel synthesis.
首先合成了单甲氧基聚乙二醇对甲苯磺酸酯(mPEG-OTs),然后根据盖布瑞尔合成法原理,以邻苯二甲酰亚胺钾盐(PPI)为亲核试剂与mPEG-OTs反应,生成单甲氧基聚乙二醇的邻苯二甲酰亚胺衍生物(mPEG-PI),mPEG-PI与水合肼反应肼解生成伯胺,合成了一端为氨基的单甲氧基聚乙二醇(mPEG-NH2)。
Thermo-mechanically coupled FEM analysis for drape forming process of fighter plane canopy;
歼击机座舱盖热力耦合覆盖成形的有限元初步分析
The auto-panel forming process has been recognition with the rapidly development of automotive industry.
本文将结合有限元技术和摩擦学中的薄膜润滑理论对覆盖件成形中的典型工艺—拉深进行相关的分析。
The thesis chooses Drabble\'s four early novels created before 1980,Jerusalem the Golden,The Garrick Year,The Millstone and The Realms of Gold,to study how Drabble represents the middle-class females\' living conditions of the 1960s and 1970s of England.
本文选取德拉布尔发表于1980年以前的四部早期作品——《金色的耶路撒冷》、《盖瑞克年》、《磨砺》和《黄金国度》,研究作家如何再现20世纪60、70年代英国中产阶级女性的生存状态。
CAD/CAE Coordination Design of Automobile Cover Forming;
汽车覆盖件成形工艺的CAD/CAE协同设计
Case Analysis of Numerical Simulation for Automobile Panel Forming Defects
覆盖件成形缺陷的数值仿真实例分析
Research on Some New Techniques for Forming Simulation Software Platform of Automobile Panel
车身覆盖件成形仿真软件平台若干新技术研究
Study on Numerical Simulation and Optimization Techniques for Auto Panel Forming Processes;
汽车覆盖件成形过程数值模拟与优化技术研究
Numerical Simulation Research of Draw Bead Application in the Forming of Automobile Panel;
汽车覆盖件成形中拉延筋应用的数值模拟研究
Numerical Simulation in Automobile Panel Shaping Technology and Experimental Research;
汽车覆盖件成形工艺数值模拟与试验研究
The Application of Reverse Engineering in the Forming Technique of the Automotive Panel;
逆向工程在汽车覆盖件成形技术上的应用
Robust Optimization and Tolerance Analysis of Autobody Panel Stamping
汽车覆盖件成形工艺的稳健优化与容差分析
Numerical Simulation and Parameter Optimization on Forming Process of Automobile Panel
汽车覆盖件成形数值模拟及工艺参数优化
Auto Panel Forming Process Parameters Optimization of Multi-objective Quality
多目标质量的覆盖件成形工艺参数优化
Application of Dynaform Numerical Simulation in Automobile Covering Parts Forming Process
DYNAFORM数值模拟技术在汽车覆盖件成形中的应用
Simulation and Process Optimization in Automotive Panel Stamping;
车身覆盖件冲压成形仿真及工艺优化
Numerical Simulation of Sheet Metal Forming of Automobile Panel;
汽车覆盖件冲压成形的数值模拟研究
Numerical Simulation and Process Optimization of Drawing of Rectangular Automobile Panel;
盒形覆盖件拉延成形数值模拟及工艺参数优化
Research on Numerical Simulation of Sheet Metal Forming for Automotive Body Panels;
汽车覆盖件冲压成形数值模拟技术研究
A Study on Processing and Tools for Superplastic Forming of Aluminum Alloy Automobile Body Panels;
铝合金汽车覆盖件超塑成形的工艺和工具研究
Stamping Forming Simulation and Springback Prediction of the Autobody Panel;
车身覆盖件冲压成形仿真分析与回弹预测
Surface Reconstruction of the Typical Auto Panel and the Analysis of Defect in Forming Process;
汽车典型覆盖件曲面重构及成形过程缺陷分析