共搜索到2833条信息,每页显示10条信息,共284页。用时:0小时0分2秒53毫秒
......
......
Engineering, The University of Texas at El Paso摘 要:Laser-assisted gas nitriding of selective Ti-6Al-4V surfaces has been achieved during laser powder bed fusion......
forms as the grain refiner during the solidification, which is extremely beneficial for the laser powder bed fusion(LPBF) processed Al alloys. In this study, a new type Al-14.1 Mg-0.47 Si-0.31 Sc-0.17......
REE behavior and effect factors in AMD-type acidic groundwater at sulfide tailings pond, BS nickel mine, W.A. LEI Liang-qi(雷良奇)1, 2, SONG Ci-an (宋慈安)1, XIE Xiang-li(谢湘漓)1, LI Yan-hong(李艳红)1...; Abstract: AMD(Acid Mine Drainage)-type acidic groundwater (pH<4) from oxidizing sulfide tailings in BS nickel mine (Western......
fusion GU Zhen-yu(谷振宇), ZHU Yao-yao(朱垚垚), XIANG Ji-lei(向继磊), ZENG Yuan(曾圆) College of Automation, Chongqing University, Chongqing 400044, China Central South University Press and Springer-Verlag GmbH... is proposed in this paper. The vibration-electric information fusion, the support vector machine (SVM) with particle swarm optimization (PSO), and the cross-validation (CV) for predicting LAF operation......
(Central South University), Changsha 410083, China)Abstract:For the low-grade copper sulfide ores with 0.99% of copper, of which 41.5% was primary copper sulfide, and 54.5% was secondary copper sulfide... leaching; multi-factors; copper sulfide ores......
J. Cent. South Univ. (2020) 27: 1404-1415 DOI: https://doi.org/10.1007/s11771-020-4376-0 Bioleaching of low-grade copper sulfide ore by extremely thermoacidophilic consortia at 70 °C in column... copper minerals. Key words: extreme thermoacidophile; bioleaching; copper sulfide ore; copper resistance; microbial community Cite this article as: AI Chen-bing, LIANG Yu-ting, QIU Guan-zhou, ZENG......
in deep water was put forward. The reliable settlement results are obtained by means of multi-sensor data fusion. Finite element model of pile-group foundation is established. By analysis of finite... foundation in deep water. Key words: pile-group foundation; settlement; monitoring system; multi-sensor data fusion 1 Introduction In bridge engineering, settlement (including absolute settlement......
to mining activity, which can help to govern the subsidence of the area reasonably.Key words:Kriging interpolation; water body; mining subsidence; prediction parameters; data fusion......