共搜索到7870条信息,每页显示10条信息,共787页。用时:0小时0分0秒671毫秒
Peisheng, et al. Paleo-Elevation of the Tibetan Plateau inferred from carbon and oxygen isotopes of lacustrine deposits[J]. Acta Geologica Sinica, 2007, 81(9): 1277-1288. [24] 郭泽清, 郑得文, 刘卫红, 等. 柴达木盆地西......
leaching without aeration prior to gold extraction and then adsorption of copper on activated carbon. Ammonia and sulphuric acid are often regarded as suitable leaching systems for preleaching of copper......
on friction and wear properties in low carbon steel[J]. Materials Science Engineering A, 2003, 352(1/2): 144-149. [52] TAO Nai-rong, TONG Wei-ping, WANG Zhen-bo, WANG Wei, SUI Man-ling, LU Jian, LU Ke......
bonding in M2SiC requires the calculating their partial density of states (PDOS). The PDOS spectrum for M2SiC, where M belongs to the fourth period, is shown in Fig. 5. Carbon does not contribute......
from synthetic wastewater using coconut shell charcoal and commercial activated carbon modified with oxidizing agents and/or chitosan [J]. Chemosphere, 2004, 54: 951-967. [33] LI Jia-xing, HU Jun, SHENG......
Society of China, 2014, 24(9): 2938-2945. [19] ZARTMAN R E. Plumbotectonics-the model[J]. Tectonophysics, 1981, 75(1/2): 135-162. [20] OHMOTO H, RYE R O. Isotopes of sulfur and carbon[C]// BARNES......
(Natural Science Edition), 2010, 32(1): 92-97. [48] WANG C, HU X, YU J, WEI L, HUANG Y. Intermediate gel coating on macroporous Al2O3 substrate for fabrication of thin carbon membranes[J]. Ceramics......
量与结构式不相吻合,说明苯胺黑药在铁碳颗粒表面吸附的同时,在界面发生了氧化还原反应,被部分或全部降解矿化,其可能降解途径详见下文分析. 图8 铁碳填料表面反应前后的SEM像 Fig. 8 SEM images of surface of iron/carbon filters and flocs before and after processing 表2 铁碳填料反应前后及絮体表面XPS分析结果 Table 2 XPS analysis results of iron/carbon filters before and after processing and flocs 图9 铁碳填料反应后及絮体的XPS谱 Fig. 9 XPS spectra of iron......
) was synthesized through reacting butyl alcohol with sodium hydroxide and carbon disulfide. 2.2 Synthesis of impurity-doped galena Pure galena was synthesized using sodium sulfide as sulfur source and lead......
O, Zn, P, Mg, F, Al and Ca (Table 1). The existence of C is ascribed to the sprayed carbon on the surface of samples prior to the EPMA examination. The Zn-Ca-Ce-P coating exhibits a higher Mg content......