共搜索到8552条信息,每页显示10条信息,共856页。用时:0小时0分0秒531毫秒
J. Cent. South Univ. (2016) 23: 3132-3142 DOI: 10.1007/s11771-016-3379-3 Semi-empirical modeling of volumetric efficiency in engines equipped with variable valve timing system Mostafa Ghajar, Amir... Abstract: Volumetric efficiency and air charge estimation is one of the most demanding tasks in control of today’s internal combustion engines. Specifically, using three-way catalytic converter involves......
PURIFICATION OF COBALT ANOLYTE USING THE NOVEL SOLVENT EXTRACTION SYSTEM W.Y.Niu1,W.Y.Xue1,Y.F.Shen2 (1.State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang 110014... and a simulated industrial produc-tion were carried out. This novel extraction system can extract Cu and/or Ni againstCo from chloride medium solutions at pH range of 2.5-4.5. About 2g/l nickel......
......
J. Cent. South Univ. (2016) 23: 2550-2557 DOI: 10.1007/s11771-016-3316-5 Improving energy utilization efficiency of electrical discharge milling in titanium alloys machining GUO Cheng-bo(郭成波)1, WEI... for titanium alloys machining and it was proven that its machining efficiency can be improved to compete with mechanical cutting. In order to improve energy utilization efficiency of ED-milling process......
Dynamic simulation and efficiency analysis of beam pumping systemXing Ming-ming(邢明明), Dong Shi-min(董世民), Tong Zhi-xiong(童志雄), Tian Ran-feng(田然凤), Chen Hui-ling(陈慧玲) (School of Mechanical Engineering... of plunger, hydraulic loss of pump and clearance leakage. The dynamic response and system efficiency of whole system were analyzed. The results show that there is a jumping phenomenon in the amplitude......
Microscopic mechanism in solvent extraction of Au(CN)-2 by cationic surfactant CHEN Jing(陈 景)1, HUANG Kun(黄 昆)1, YU Jian-min(余建民)1,WU Jin-guang(吴瑾光)2, SHI Nai(施 鼐)2, XU Guang-xian(徐光宪)2 (1. Institute of Precious Metals, Kunming 650221, China; 2. College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China) Abstract: A new solvent extraction system......
Mathematical module for countercurrently fractional chiral extraction and its VB simulation TANG Ke-wen(唐课文)1, 2, HUANG Ke-long(黄可龙)1, YI Jian-min(易健民)1, 2, ZHANG Guo-li(张国丽)1 1. School..., China Received 6 January 2006; accepted 27 March 2006 Abstract: Based on chemical thermodynamics and mass balance, countercurrently fractional chiral extraction by hollow fiber membrane......
学报, 2002, 23(5): 1-6. LUO Xian-ping, QIU Ting-xing, YAN Qun, FANG Xi-hui. Research progress and developing orientation of chemical extraction technology of weathering crust strain amass-type rare...]. 北京: 化学工业出版社, 2014. LI Yong-xiu. Ion adsorption rare earth resources and their green extraction[M]. Beijing: Chemical Industry Press, 2014. [15] XIAO Yan-fei, FENG Zong-yu, HU Gu-hua, HUANG Li, HUANG......
......
ARTICLE J. Cent. South Univ. (2019) 26: 1607-1618 DOI: https://doi.org/10.1007/s11771-019-4116-5 A novel sparse filtering approach based on time-frequency feature extraction and softmax regression... Huai-hai, LI Shun-ming, WANG Jin-rui. A novel sparse filtering approach based on time-frequency feature extraction and softmax regression for intelligent fault diagnosis under different speeds [J......