共搜索到13955条信息，每页显示10条信息，共1396页。用时：0小时0分0秒554毫秒
J. Cent. South Univ. (2012) 19: 71-76 DOI: 10.1007/s11771-012-0974-9 Oxygen pressure acid leaching of Gacun complex Cu concentrates XU Bin(徐斌)1, 2, ZHONG Hong(钟宏)3, JIANG Tao(姜涛)1 1. School... Engineering, Central South University, Changsha 410083, China ? Central South University Press and Springer-Verlag Berlin Heidelberg 2012 Abstract: The treatment of the Gacun complex Cu concentrate......
presents the minimum value, indicating the negative index in a certain frequency band. It is apparent that the complex permeability and permittivity have negative values simultaneously near 13.3 GHz... structure simulator (HFSS) software based on the finite element method. Effects of square-split-ring number on the left-hand characteristics containing negative values of permittivity, permeability......
......
Third-order active-RC complex filter with automatic frequency tuning for ZigBee transceiver applicationsLI Di(李迪)1, JING Zhan(井站)1, YANG Yin-tang(杨银堂)1, WU Xiao-feng(吴笑峰)2, SHI Zuo-chen(石佐辰)1, LIU...)Abstract:A 3rd-order Butterworth active-RC complex band-pass filter was presented for ZigBee (IEEE802.15.4) transceiver applications. The filter adopted cascaded complex pole stages to realize the 3......
Modeling infrared radiative properties of nanoscale metallic complex slit arraysWANG Ai-hua(王爱华)1, NIU Yi-hong(牛义红)1, CHEN Yu-bin(陈玉彬)2(1. School of Materials and Metallurgy, Northeastern University... are also comprehensively studied. When multiple slit types coexist in an array (complex slits), a wide-band transmittance or absorptance enhancement is feasible by merging spectral peaks contributed......
> A methodology for the manufacture of forming tools incorporating complex surface geometry with minimum computer resources [J]. Journal of Materials Processing Technology,1992,31(1, 2): 103- 111. [21... this article as: WANG Yao, LANG Li-hui, S. Lauridsen, KAN Peng. Springback analysis and strategy for multi-stage thin-walled parts with complex geometries [J]. Journal of Central South University......
Effect of Complex Agents on Structure and Activity of Fe-Substituted Rare Earth Hexaaluminate Catalysts for Methane Combustion Long Zerong1,Wu Peng1,Hu Ruisheng1,MENG He1 (1.College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, China) Abstract:A series of catalysts were prepared by using complex sol-gel methods.Experimental results confirm the effect......
Influences of complex modification of P and RE on microstructure and mechanical properties of hypereutectic Al-20Si alloy CHEN Chong(陈 冲), LIU Zhong-xia(刘忠侠), REN Bo(任 波), WANG Ming-xing(王明星... complex modification of hypereutectic Al-Si alloys was conducted. The influences of P, RE content on the microstructure and mechanical properties of alloys were investigated. The complex modifications of P......
J. Cent. South Univ. (2012) 19: 1311-1316 DOI: 10.1007/s11771-012-1143-x Generic reconstruction technology based on RST for multivariate time series of complex process industries KONG Ling... to effectively analyse the multivariate time series data of complex process, a generic reconstruction technology based on reduction theory of rough sets was proposed. Firstly, the phase space of multivariate......
Debinding and sintering of warm compacted and binder-treated complex iron-base part NGAI Tungwai Leo(倪东惠), ZHOU Shui-bo(周水波), XIAO Zhi-yu(肖志瑜), LI Yuan-yuan(李元元) Guangdong Key Laboratory... was reached. Results show that by controlling debinding process, complex parts with good shape consistence can be obtained by warm compaction of binder-treated powder. Fine and shiny surface was obtained......
