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SEPARATION OF THORIUM FROM YTTERBIUM WITH CYANEX272 BY USING A HOLLOW FIBER MEMBRANE EXTRACTOR被引量：1
《Acta Metallurgica Sinica(English Letters)》2001年第2期132-136,共5页F.J. Zhang, F. Luo, D.Q. Li and Y.L. Wu (Laboratory of Rare Earth Chemistry and Physics, Changchun Institute of Applied Chemistry, The Chinese Academy of Sciences, Changchun 130022, China) (State Key Joint of Environment Simulation and Pollution Control, 
Acknowledgements- This project supported by State Key Project of Fundamental Research (GrantNo.1998061302) and the National Na
The based membrane extraction of Th(IV) and Yb(III) was studied with HBTMPP in heptane. The separation process of Th(IV) and Yb(III) was considered to be a kinetics competition one. The separation for the mixture of T...
关键词：EXTRACTION Fibrous membranes Kinetic theory SEPARATION YTTERBIUM 
KINETIC STUDY ON THE EXTRACTION OF PALLADIUM(Ⅱ) WITH BIS(2-ETHYLHEXYL)SULFIDE
《Chinese Chemical Letters》1992年第6期463-464,共2页Jian Sheng GU Jian Hua PAN Han Zhang WANG Department of Chemistry, Suzhou University, Suzhou, 215006 
The effects of concentration, temperature, stirring rate and specific interfacial area on the extraction of Pd (Ⅱ) with bis(2--ethylhexyl) sulfide (DEHS) were studied by the use of a constant interracial area cell. T...
关键词：WITH BIS ETHYLHEXYL)SULFIDE KINETIC STUDY ON THE EXTRACTION OF PALLADIUM 
湿法磷酸生产采用混酸冷却工艺探讨
《硫磷设计与粉体工程》2005年第3期1-4,i001,共5页蒲中云 
通过对现有湿法磷酸生产中移走萃取工序的反应热和消除硫酸钙局部过饱和问题的深入分析,提出了混酸冷却工艺,旨在更好地解决这两个问题,以提高磷酸反应槽的生产强度和物料收率。经模拟实际生产的实验证实,混酸冷却工艺能够起到良好的“...
关键词：湿法磷酸生产 工艺探讨 混酸 磷酸反应槽 冷却工艺 生产强度 饱和问题 硫酸钙 反应热 过饱和 萃取率 洗涤率 磷石膏 局部 工序 收率 物料 相比 
镍硫化物湿法冶金基础研究
《中南矿冶学院学报》1989年第4期458-464,共7页杨松青 蒋汉瀛 郭炳焜 习小明 
文中发表了我们在镍湿法冶金方面的研究工作。我国原有的镍冶炼流程是在熔炼高镍锍之后采用缓冷、磨浮分离铜、镍硫化物。国内已研究过用二段常压浸出及一段氧压浸出使镍进入溶液,可取消冷却和磨浮工序。然而采用加压浸出,在设备和操作...
关键词：镍 硫化物 湿法冶金 酸浸 萃取 
Solvent extraction of vanadium from sulfuric acid solution被引量：11
《Rare Metals》2009年第3期209-211,共3页WANG Mingyu ZHANG Guiqing WANG Xuewen ZHANG Jialiang 
supported by the Science Foundation of Central South University (No. 76112037) ;the Postdoctoral Science Foundation of Central South University
The behaviour of vanadium（V） extracted from sulfuric acid solution was investigated using Cyanex 923 as an extractant. The effects of the concentration of Cyanex 923 and the pH of the solution were studied. The extr...
关键词：solvent extraction vanadium（V） Cyanex 923 sulfuric acid solution 
Plane extraction for navigation of humanoid robot
《Journal of Central South University》2011年第3期627-632,共6页张彤 肖南峰 
Project(60776816) supported by the National Natural Science Foundation of China and Civil Aviation Administration of China;Project(8251064101000005) supported by the Natural Science Foundation of Guangdong Province,China
In order to make the humanoid robot walk freely in complicated circumstance, the reliable capabilities for obtaining plane information from its surroundings are demanded. A system for extracting planes from data taken...
关键词：humanoid robot NAVIGATION line segments splitting region growing plane extraction depth image 
Extracting indium and preparing ferric oxide for soft magnetic ferrite materials from zinc calcine reduction lixivium被引量：3
《Journal of Central South University》2011年第4期1074-1079,共6页何静 唐谟堂 周存 吴胜男 陈永明 王涛 黄玲 
Project(50674104) supported by the National Natural Science Foundation of China;Project(2006BA02B04-4-2) supported by the Planned Science and Technology of China
A hydrometallurgical process for indium extraction and ferric oxide powder preparation for soft magnetic ferrite material was developed. Using reduction lixivium from high-acid reductive leaching of zinc oxide calcine...
关键词：zinc concentrates zinc hydrometallurgy indium extraction deep purification ferric oxide powder 
Feature Extraction Method Based on Pseudo-Wigner-Ville Distribution for Rotational Machinery in Variable Operating Conditions被引量：9
《Chinese Journal of Mechanical Engineering》2011年第4期661-668,共8页WANG Huaqing LIKe SUN Hao CHEN Peng 
supported by National Natural Science Foundation of China (Grant No. 50875016, 51075023);Fundamental Research Funds for the Central Universities of China (Grant No. JD0903, JD0904)
In the case of fault diagnosis for roller bearings, the conventional diagnosis approaches by using the time interval of energy impacts in time-frequency distribution or the pass-frequencies are based on the assumption...
关键词：feature extraction pseudo-wigner-ville distribution variable operating condition sequential diagnosis 
调味香料留兰香精油的研究进展被引量：11
《中国调味品》2012年第1期80-83,107,共5页盖旭 李荣 姜子涛 
天津市自然科学基金资助课题(043604511)
留兰香精油是一种重要的调味香料,具有清新、凉爽、香甜的气味,主要用于糖果、酒类等食品的加香。另外,也应用于化妆品、药品等其它领域。文章综述了近年来留兰香精油的提取、提纯、化学成分及应用,并对留兰香精油的前景作了展望。
关键词：留兰香 精油 留兰香精油 提取 成分分析 
Discriminant Analysis in the Study of Alzheimer's Disease Using Feature Extractions and Support Vector Machines in Positron Emission Tomography with ^(18)F-FDG
《Journal of Shanghai Jiaotong university(Science)》2014年第5期555-560,共6页苏赛赛 陈克伟 黄秋 
the National Natural Science Foundation of China(No.81201114);the Shanghai Municipal Natural Science Foundation(No.11ZR1416700);the Innovation Program of Shanghai Municipal Education Commission(No.13ZZ017)
With more successful applications of advanced medical imaging technologies in clinical diagnosis, various analytic discriminant approaches, by seeking the imaging based characteristics of a given disease to achieve au...
关键词：Alzheimer’s disease feature extraction CLASSIFICATION mild cognitive impairment(MCI) 
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