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in the selective removal and reuse of heavy metals from wastewaters[J]. Water Science and Technology, 2003, 47(10): 9-16. [17] SAMPAIO R M M, TIMMERS R A, XU Y, KEESMAN K J, LENS P N. Selective..., WANG Qiang. Progress in gold cementation from ammonium thiosulfate solution[J]. Chinese Journal of Rare Metals, 2015, 39(5): 473-480. [30] 杨志强, 王玉华, 李 娟. 一种从钴铜锌锰生产废液中选择性回收钴铜的方法. 中国: 201410810213.0[P......
and 4PC can extract Cu(II), Ni(II), and Co(II) from acidic multi-metal sulfate solutions with about pH 2, and the extraction efficiency of copper is higher than that of other metal ions [5]. Moreover...; (2) where N is the total number of particles, and P(q) and S(q) are the form and structure factors, which correspond to the shape and size of the scattering particle and the interparticle......
system with P507 and Cyanex272[J]. The Chinese Journal of Process Engineering, 2012, 12(3): 415-419. [17] SHEN Y, XUE W Y, NIU W Y. Recovery of Co(Ⅱ) and Ni(Ⅱ) from hydrochloric acid solution of alloy.... 北京科技大学 冶金与生态制造工程学院,北京 100083) 摘 要:本文以成型壳聚糖为吸附剂进行溶液中Ni-Co的分离,通过Ni2+和Co2+与壳聚糖上氨基的络合能力差异达到Ni2+,Co2+分离的目的.结果表明:利用NaOH与壳聚糖醋酸溶液可制备出粒度约为60 μm的层状成型壳聚糖；成型壳聚糖对Ni2+,Co2+的吸附符合拟二级动力学方程和Freundlich方程；经吸附焓变计算......
. Investigating the tribological and biological performance of covalently grafted chitosan coatings on Co–Cr–Mo alloy [J]. Tribology International, 2019, 127: 302-312. DOI: 10.1016/j.triboint.2018.06.018. [5......
P, JAIN R, SINGH S, SEDER-COLOMINA M, HULLEBUSCH E D V, RENE E R, AHAMMAD S Z, CARUCCI A, LENS P N L. Effect of temperature on selenium removal from wastewater by UASB reactors [J]. Water Research... MgAl-LDH coating on aluminum alloy [J]. Transactions of Nonferrous Metals Society of China, 2015, 25 (10): 3498-3504. [14] ZHANG Li, DAI Chao-hua, ZHANG Xiu-xiu, LIU You-nian, YAN Jian-hui. Synthesis......
beams and observed superior performance and improved efficiency over other strengthening techniques. ALI et al [36] examined the influence of engineered cementitious composite with shape memory alloy..., DARVISH I Y S. Use of steel fibers as shear reinforcement [J]. Structural Journal, 1987, 84(3): 216-227. [3] EZELDIN A S, BALAGURU P N. Normal and high strength fiber reinforced concrete under compression......
or 75% of the structure length). Aluminum alloy AA6060 was used for the stiffeners, inner and outer tubes, whose material properties are: yield stress sy=80 MPa, ultimate stress su=173 MPa, elastic...]. Journal of Applied Mechanics, 1983, 50: 727-734. [5] Hosseini-Tehrani P, Pirmohammad S. Collapse study of thin-walled polygonal section columns subjected to oblique loads [J]. Proceedings......
/MES/P CS/BI交互分析系统,开阳磷矿与金蝶公司合作开发了管控一体化管理平台,将设计,计划,生产组织,远程控制,视频监控,物资管理,人事管理,成本考核等均集成于该平台,构建生产现场,业务系统,资源管理,决策分析4层架构,建立16个业务子系统,实现100多个功能点.目前在马路坪矿试运行的管控一体化系统有五大板块,分别为设备管理版块,基础数据管理版块,系统平台版块,生产管理和经营管理版块,系统.../fraes-e.htm. 1996. [8] SINGH S P. Non-explosive applications of the PCF concept for underground excavation[J]. Tunneling and Underground Space Technology, 1998, 13: 305-311. [9] PICKERING R, YOUNG C......
; (6b) 3.5 Porosity analysis The porosity, P, can be determined from the refractive index in porous, np, and non porous, n, materials acording to the expression...) is P=0 in dense non-porous materials, since npn. In porous materials, where np1, porosity tends to be a maximum value, i.e., P1. Taking into account that the films grown without substrate......
Technology, 2014, 264: 78-85. [17] FOWLER G, PASHBY I R, SHIPWAY P H. The effect of particle hardness and shape when abrasive water jet milling titanium alloy Ti6Al4V [J]. Wear, 2009, 266(7): 613-620. [18...; (4) where εf is the gas volume fraction; ρf is gas density (kg/m3); t is time (s);is the gas velocity vector (m/s); P is pressure......
