共搜索到18685条信息,每页显示10条信息,共1869页。用时:0小时0分0秒673毫秒
): 51-68. [31] BENAFAN O, NOEBE R D, HALSMER T J. Shape memory alloy rock splitters (SMARS)-A non-explosive method for fracturing planetary rocklike materials and minerals[R]. NASA/TM-2015-218832, National......
of Yucatan, CP 97130 Merida, Yuc., Mexico; 3. Instituto de Ciencia y TecnologIa de Materiales, Universidad de La Habana, Zapata s/n esq. G, Vedado, Plaza, La Habana 10400, Cuba Received 14 March 2019... electrodes for light-emitters [J]. J Alloy Compd, 2017, 724: 813-819. [14] KHAN I, BAUCH M, DIMOPOULOS T, DOSTALEK J. Nanostructured as-deposited indium tin oxide thin films for broadband antireflection......
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......
alloy steel under hot compression [J]. Journal of Central South University, 2017, 24(2): 284-295. [20] ZHOU W, TANG J Y, HE Y F, ZHU C C. Modeling of rough surfaces with given roughness parameters [J......
, 2010, 101(18): 7079-7086. DOI: 10.1016/j.biortech.2010.04.003. [30] JIANG Bi-xian. The Mensuration of the copper contents in the Stannum based alloy with BCO light-intensity method [J]. Heavy......
mg/L的污酸,按照固液比0.04 kg/L加入酸改性钢渣,在氧化剂作用下并在室温振荡反应120 min,处置后污酸残余砷浓度降至88.44 mg/L,砷去除效率达到97.89%,除砷后钢渣浸出毒性低于危险废弃物鉴别标准
, such as cold- drawn pearlitic steel wires [46], high-strength low-alloy structural steels [47], and prestressed strands [48]. For hot rolled bars with a long yield platform used in RC structures, CHALAFTRIS [20... evolution reaction on electrodeposited Zn-Cr alloy coatings [J]. Journal of Electroanalytical Chemistry, 2016, 783: 68-75. DOI: 10.1016/j.jelechem.2016.10.059. [43] NESIC S, POSTLETHWAITE J, OLSEN S......
of the European Ceramic Society, 2014, 34(3): 831-835. [10] 邹芹, 关勇, 李艳国, 等. TiAl合金及其复合材料的研究进展与发展趋势[J]. 燕山大学学报, 2020, 44(2): 95-107. ZOU Qin, GUAN Yong, LI Yanguo, et al. Advances and perspectives of TiAl alloy......
工程运用.合金化是一种重要的改善方法,在Mo5Si3中添加Cr,Ti,Co,Ni,B[13],Nb,V[14]等元素,可有效提高该化合物的韧性. 点缺陷对材料强度[15],抗蠕变以及延展性[16]等力学性能[17]有着十分重要的影响,也影响着晶体材料的光学[18-19],导电[20-21]和导热[22]等物理性能.除此之外,点缺陷,特别是空位型缺陷,主要影响着材料的扩散动力学,从而影响其界面生长状...: 150-153. [13] STROM E, ZHANG J, ERIKSSON S, LI C H, FENG D. The influence of alloying elements on phase constitution and microstructure of Mo3M2Si3 (M=Cr, Ti, Nb, Ni, or Co)[J]. Mater Sci Eng A, 2002......
盖了未反应的低冰镍表面.第一性原理计算结果显示,Cu5FeS4和Fe5Ni4S8矿相氧化活性位点都是铁原子,并且金属与硫的化学键有明显的共价键特征;硫化物矿相中过渡金属原子的氧化优先顺序依次为:Cu5FeS4矿相中(Fe)>Fe5Ni4S8矿相中(Fe)>Fe5Ni4S8矿相中(Ni)>Cu5FeS4矿相中(Cu). 关键词:低冰镍;界面反应;氧化分解;第一性原理计算;镍黄铁矿 文章编号...酸浸的浸出率更高.虽然氧压酸浸出能够有效地回收有价金属,但对设备要求高,投资成本较大,因此在一定程度上限制了它的应用.MUZENDA等[8]在常压条件下对镍铜锍进行了氧化氨浸的实验研究,镍,铜的浸出率低于50%.陈光炬等[9]对低冰镍进行了FeCl3-HCl浸出实验,其金属元素浸出率分别达到Ni 98.4%,Cu 98.9%和Co 97.3%,但是浸出的时间较长.相对于常压氨浸[10],常压酸浸......