共搜索到7054条信息，每页显示10条信息，共706页。用时：0小时0分0秒462毫秒
Effects of organic acids on the leaching process of ion-adsorption type rare earth oreLi Wang1,Chunfa Liao1,Youming Yang1,Haibo Xu1,Yanfei Xiao1,Chunhua Yan1,21. School of Metallurgy and Chemical... of organic acids on the leaching process of ion-adsorption type rare earth ore(IRE-ore), the leaching behavior of rare earth(RE) and zeta potential of IRE-ore were investigated in the absence......
Molecular dynamics simulation of aluminum inhibited leaching during ion-adsorbed type rare earth ore leaching processDongmei Zhu1,Tingsheng Qiu1,Jianfeng Zhong1,Qinghua Zeng2,Xihui Fang11. School... a complex with free aluminum ions,and can also be adsorbed on kaolinite by hydrogen bonding with aluminum in kaolinite(100) surfaces.Leaching of ion-adsorbed type rare earth ore was performed with aluminum......
全站仪三角高程测量作业评定指标的探讨朱宝训1,王晓静1,郑崇启1(1.河南省平顶山市河南城建学院测绘与城市空间信息系)摘 要:以经典式和水准式两种全站仪三角高程作业模式代替三等水准测量为例,探讨以全站仪三角高程测量作业评定指标代替电磁波测距三角高程测量作业评定指标.利用全站仪显示高差作为观测量不再把角度和距离分开进行观测和记录,大大提高工作效率.关键词:工程测量； 全站仪； 评定指标； 经典式； 水准式； 三等水准......
Trans. Nonferrous Met. Soc. China 25(2015) 3611-3617 Influence of temperature and strain rate on serration type transition in NZ31 Mg alloy Wen-hui WANG1,2, Di WU2, Rong-shi CHEN2, Chang-sheng LOU1 1..., and a lot of slip bands with a specific direction in each grain can be observed in the microstructure. The serration changes from type A to type C with the increase of temperature and the decrease of strain......
......
NC code generation for laser assisted turn-mill of various type of clovers and square section membersCHOI Jun-young, LEE Choon-man(Department of Mechanical Design and Manufacturing Engineering... LAT with a tilting index table type 5-axis machining center, i.e. laser assisted turn-mill, a new method is suggested to generate NC code that can process various types of clover and square section......
A novel two-degree-of-freedom spherical ultrasonic motor using three travelling-wave type annular statorsWANG Jian(王剑)1, HU Xi-xing(胡锡幸)2, WANG Ban(王班)1, GUO Ji-feng(郭吉丰)1(1. College of Electrical... and controllability of the multi-degree-of-freedom (M-DOF) ultrasonic motor, a novel two-degree-of-freedom (2-DOF) spherical ultrasonic motor using three traveling-wave type annular stators was put......
Dynamic analysis of new type elastic screen surface with multi degree of freedom and experimental validationSONG Bao-cheng(宋宝成)1, 2, LIU Chu-sheng(刘初升)1, 2, PENG Li-ping(彭利平)1, 2, LI Jun(李珺)1, 2(1... University of Mining and Technology, Xuyi 211700, China)Abstract:A feasible method was proposed to improve the vibration intensity of screen surface via application of a new type elastic screen surface......
J. Cent. South Univ. Technol. (2007)06-0832-06 DOI: 10.1007/s11771-007-0158-1 High precise control method for a new type of Piezoelectric electro-hydraulic servo valve ZHOU Miao... and Engineering, Jilin University, Changchun 130025, China) Abstract:A new type of piezoelectric electro-hydraulic servo valve system was proposed. And then multilayer piezoelectric actuator based on new......
J. Cent. South Univ. (2018) 25: 2143-2149 DOI: https://doi.org/10.1007/s11771-018-3903-8 Influence of porogen type and copper powder morphology on property of sintering copper porous materials LIU... material. Methylcellulose and paraffin are used as porogen. The influence of porogen type and copper powder morphology on the property of copper porous materials is investigated as well. The results show......
