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potential experiments and FT-IR analysis. 2 Experimental 2.1 Materials Pure mineral samples of chalcopyrite and sphalerite used in this study were respectively obtained from Hubei and Hunan Province, China..., 2020, 381: 120946. [7] LIU Run-qing, SUN Wei, HU Yue-hua, WANG Dian-zuo. New collectors for the flotation of unactivated marmatite [J]. Minerals Engineering, 2010, 23: 99-103. [8] CAO Ming-li, LIU Qi......
, 31(6): 1672-1685. DOI: 10.11817/j.ysxb.1004.0609.2021-39742 FU Zi-guo, LI Hua, DENG Jian-hui, et al. Bivariate rheological model of ultrafine tailings backfill slurry based on structural parameter..., 1992, 31(2): 119-138. Bivariate rheological model of ultrafine tailings backfill slurry based on structural parameter and its applications FU Zi-guo1, 2, 3, LI Hua1, 2, 3, DENG Jian-hui1, 2, 3, QIAO......
of Mineral Resources, 2019, 39(5): 41-49, 55. [5] 张建军, 陈为亮, 李照刚. 从钴渣中回收钴的研究进展[J]. 矿产综合利用, 2017(4): 11-15. ZHANG Jian-jun, CHEN Wei-liang, LI Zhao-gang. Research progress of recovering cobalt from...): 19-26. [7] 杨佳棋, 李立清, 冯 罗, 等. 铜离子萃取剂的研究进 展[J]. 电镀与涂饰, 2020, 39(9): 60-68. YANG Jia-qi, LI Li-qing, FENG Luo, et al. Research progress of copper extractants[J]. Electroplating & Finishing, 2020......
) 文章编号:1672-7207(2021)07-2402-14 Research on pavement crack detection technology based on convolution neural network ZHANG Weiguang1, ZHONG Jingtao1, YU Jianxin2, MA Tao1, MAO Shuo1, SHI Yilan1 (1. School of Transportation, Southeast University, Nanjing 210096, China; 2. School of Civil Engineering, Henan Polytechnic University, Jiaozuo 454003, China) Abstract: Based on machine learning, a fast......
.铝土矿矿石可分为致密状,碎屑状,半土状,豆鲕状四种类型 [9-10],矿石成分以硬水铝石,绿泥石为主,含部分高岭石,伊利石,黄铁矿,含少量锐钛矿,长石,石英等矿物 [11-16],伴生元素Ga,Li,Sc达到综合利用标准 [17],具有一定的开发潜力.矿石演化过程为致密状→碎屑状→豆鲕状→半土状 [18], 矿石品位依次为半土状>碎屑状>豆鲕状>致密状,但豆鲕状铝土矿矿石中亦有品...地球化学特征[J]. 地质科技情报, 2013, 32(1): 27-33. WANG Xiao-mei, JIAO Yang-quan, DU Yuan-sheng, LIN Wen-li, WU Li-qun. Rare earth element geochemistry of bauxite in Wuchuan-Zheng,an-Daozhen area, northern......
0.78-18.2m [8],区域变化较大.含矿岩系与上覆二叠系梁山组(P1l)泥页岩或栖霞组(P2q)灰岩,下伏石炭系黄龙组(C2h)灰岩或志留系韩家店组(S1hj)页岩均为平行不整合接触.铝土矿矿石可分为致密状,碎屑状,半土状,豆鲕状四种类型 [9-10],矿石成分以硬水铝石,绿泥石为主,含部分高岭石,伊利石,黄铁矿,含少量锐钛矿,长石,石英等矿物 [11-16],伴生元素Ga,Li,Sc达到综合利...土元素地球化学特征[J]. 地质科技情报, 2013, 32(1): 27-33. WANG Xiao-mei, JIAO Yang-quan, DU Yuan-sheng, LIN Wen-li, WU Li-qun. Rare earth element geochemistry of bauxite in Wuchuan-Zheng,an-Daozhen area, northern......
]. 中国有色金属学报, 2021, 31(x): xxxx-xxxx. DOI: 10.11817/j.ysxb.1004.0609.2021-37885 OU Jia-cai, ZHANG Tian-xi, HUANG Li-jin-hong, et al. DFT study on light rare earth ion hydrate Re3+(H2O)n (n=1~12, Re = La...) 表3 Re3+(H2O)n(n=1~12)中Re的电荷分布 Table 3 Charge distribution of Re in Re3+(H2O)n(n=1-12) 2.4 分子硬度和前线轨道分析 Re3+是Lewis硬酸[38-39],有非常强的亲氧性,与水分子的结合符合软硬酸碱理论中"硬亲硬"的结合原则[40].LI,YAN和EVANS[41......
schemes for shield tunneling to adjacent viaduct piles [J]. Advances in Materials Science and Engineering, 2021, 2021: 5546970. DOI: 10.1155/2021/5546970. [24] HUANG K, SUN Y W, HUANG X Q, LI Y J, JIANG M... J. Cent. South Univ. (2021) 28: 2574-2588 DOI: https://doi.org/10.1007/s11771-021-4763-1 Influence of water-rich tunnel by shield tunneling on existing bridge pile foundation in layered soils HUANG......
中图分类号:TF821 文献标志码:A Research progress in theory and technology of gibbsite precipitation from sodium aluminate solution LI Xiao-bin, ZHAO Dong-feng, WANG Dan-qin, YAN Li (School of Metallurgical Science and Engineering, Central South University, Changsha 410083, China) Abstract: The precipitation of sodium aluminate solution is the key process for alumina......
using phase change materials and heat pipes [J]. Desalination, 2017, 409: 128–135. DOI: 10.1016/j.desal.2017.01.023. [40] QU J, WU H, WANG Q. Experimental investigation of silicon-based micro-pulsating... to decrease thermal resistance and achieve a higher heat transfer capability. In the present article, a comprehensive literature review is performed on the nanofluids’ applications in heat pipes. Based......
