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Mechanism of Action of Rare Earths in High Effective Fe Powder Welding Rods Li Jianguo1,Liu Yan1,Han Yongquan1,Huang Lihong1,Yao Qinghu1 (1.College of Materials Science and Engineering, Inner Mongolia University of Technology, Hohhot 010051, China) Abstract:The optimum coating composition of alkali Fe powder welding rods was designed by orthogonal experiment with mix rates. A new kind......
Release of Nestorone from Biodegradable Rods System in vitro曹成波School of Chemistry and Chemical Engineering,Shandong University摘 要:To study the controlled effect of poly (lactic acid) (PLA), poly lactic-coglycolic (PLGA) and ethylenediamine (EDA)-maleic anhydride (MAH) modified PLA (EMPLA) for in vitro release of nestorone, rods were prepared using......
基于RODS的双斜齿轮泵结构参数优化设计张会霞,芦新春淮海工学院摘 要:斜齿齿轮泵在保持直齿齿轮泵优点的基础上降低了压力脉动和躁声,但流量脉动性能没有得到明显改善.双斜齿轮在满足一定参数关系和装配关系的条件下,能有效改善瞬间排量和流量脉动,更具优良性能.基于VC软件,构建稳健优化设计系统(RODS),通过RODS设计平台实现双斜齿轮泵结构参数的优化设计,分析建立两个约束条件,分析可控因素,建立优化目标,分析约束条件,并优化求解,使双斜齿轮齿泵的流量脉动最小的同时,满足其它限制条件.关键词:双斜齿轮泵;结构参数;优化设计;......
AP1000核电站主管道国产化研制进展卢华兴1(1.北京市国家核电技术公司)摘 要:阐述了AP1000核电站用主管道的技术要求和特点,介绍AP1000主管道模拟件国产化研制的主要技术思路及进展,通过联合技术攻关我国企业已经掌握了AP1000整体锻造主管道技术,并成功制造了满足西屋电气工程公司技术规范的AP1000主管道,实现了国产化.关键词:AP1000; 锻造主管道; 国产化......
Mechanism of Action of Rare Earths in High Effective Fe Powder Welding Rods韩永全,李建国,姚青虎,刘燕,黄丽宏摘 要:The optimum coating composition of alkali Fe powder welding rods was designed by orthogonal experiment with mix rates. A new kind of effective RE-Fe powder welding rod was prepared which could be used at the condition of direct and indirect current. The arc......
Magnetostriction of <100> oriented Fe–Ga rods with large diameterJi-Heng Li,Xue-Xu Gao,Xi-Ming Xiao,Xiao-Qian Bao,Mao-Cai ZhangState Key Laboratory for Advanced Metals and Materials,University of Science and Technology Beijing摘 要:The Fe83Ga17 alloy rods with h100 i preferential orientation was prepared by directional solidification method.The dimension......
Fabrication of pure copper rods containing continuous columnar crystals by continuous unidirectional solidification technologyHong zhang;Jianxin Xie;Zidong Wang Materials Science and Engineering School, University of Science and Technology Beijing, Beijing 100083, China摘 要:<正> Pure copper rods containing continuous columnar crystals were......
Plasticity and microstructure evolution of W-CeO2 rods with different short-duration pulse currentsWen-Guang Zhu,Jian-Can Yang,Jie Cao,Lin Huang,Yu-Chen Xi,Zuo-Ren NieSchool of Materials Science... property of W-CeO2 rods was investigated. The effects of current density(J0), pulse width(tw), frequency(f), and strain rate on the plasticity of W-CeO2 rods were discussed in detail. Results......
:TG 146.2 文献标志码:A Quenching and aging technologies for alloy 2195 forged tube LEI Zheng-ping1, JIANG Na1, 2, TAN Cheng-yu2 (1. Southwest Aluminum..., forged tube of alloy 2195 were studied. The effects of heat treatment parameters on the mechanical properties and microstructure of the product were investigated by means of tensile test, metallography......
Synthesis and characteristics of large-scale ZnO rods by wet chemical method WEI Su-feng(魏素凤), JIANG Qing(蒋 青), LIAN Jian-she(连建设) Key Laboratory of Automobile Materials, Ministry of Education...; Abstract: The large-scale ZnO rods of submicrometer were prepared......