共搜索到7005条信息,每页显示10条信息,共701页。用时:0小时0分0秒574毫秒
groups and with CXXC functional motif, these proteins may be directly involved in the sulfur activation by use of their thiol group (Pr-SH) to bond the elemental sulfur. Key words: sulfur oxidation... be eliminated by bio-oxidation of acidophilic sulfur-oxidizing bacteria in typical acidic environments[1,3]. It is known that oxidation of elemental sulfur by acidophilic sulfur-oxidizing bacteria is a complex......
Interfacial Behavior of Sulfur and Yttrium in Yttrium Modified Ni3Al-Based Alloy IC6 during High Temperature Oxidation Process XIAO Cheng-bo1,HAN Ya-fang1 (1.Beijing Institute of Aeronautical Materials, Beijing 100095, China) Abstract:The interfacial behavior of sulfur and yttrium in the yttrium-modified Ni3Al-based alloy IC6 during oxidation at 1100 ℃ was analyzed by X-ray line scan......
Sulfur poisoning and regeneration of MnOx-CeO2-Al2O3 catalyst for soot oxidation李亨烈,刘爽,翁端Laboratory of Advanced Materials, Department of Materials Science and Engineering, Tsinghua University摘 要... catalyst exhibited a poor resistance to sulfur dioxide after the treatment in 100 ppm SO2/air at 350 °C for 50 h. The formation of manganese sulfate and especially cerium sulfate reduced the availability......
Sulfur poisoning and regeneration of MnOx-CeO2-Al2O3 catalyst for soot oxidation李亨烈,刘爽,翁端Laboratory of Advanced Materials, Department of Materials Science and Engineering, Tsinghua University摘 要... catalyst exhibited a poor resistance to sulfur dioxide after the treatment in 100 ppm SO2/air at 350 °C for 50 h. The formation of manganese sulfate and especially cerium sulfate reduced the availability......
, increasing attention has been focused on the application of sulfur and/or ferrous-oxidizing thermophiles, which possess a higher mineral oxidation capacity [9-10]. For instance, MOUSAVI et al [10... for the passivation [23]. We think that the difference might come from the different sulfur oxidation activities of the strains applied, because thermophiles possess higher sulfur oxidation activity, thus......
J. Cent. South Univ. (2021) 28: 2179-2192 DOI: https://doi.org/10.1007/s11771-021-4761-3 Performance and mechanism of solid waste coking sulfur paste modified asphalt mixture before and after... waste coking sulfur paste and the improvement of performance of the asphalt mixture, a method for preparing modified asphalt mixture with coking sulfur paste modifier (CSPM) is herein proposed......
Oxidation Reactivities of Organic Sulfur Compounds in Fuel Oil Using Immobilized Heteropoly Acid as Catalyst颜学敏,雷家珩摘 要:Heteropoly acid of Keggin structure phosphotungstic(HPW)and phosphomolybdic(HPMo) were chemically anchored to the modified SBA-15 channel.The materials were used as catalyst for oxidative desulfurization of organic sulfur compounds......
Trans. Nonferrous Met. Soc. China 23(2013) 2383-2388 Characterization of apparent sulfur oxidation activity of thermophilic archaea in bioleaching of chalcopyrite Wei ZHU1,2, Jin-lan XIA1,2... of Education, Central South University, Changsha 410083, China Received 12 July 2012; accepted 30 October 2012 Abstract: The apparent sulfur oxidation activities of four pure thermophilic archaea, Acidianus......
The Oxidation State of Sulfur Detected in Na2O-CaO-SiO2 Float Glass by X-ray Absorption Near Edge Structure Spectra孟政1,JIANG Hong2,HUANG Yourong1,LI Changjiu1,WANG Jinzhen1,CUI Zhu11. China Building Materials Academy2. College of Materials and Chemical Engineering, Hainan University摘 要:The oxidation state of sulfur is detected in Na2O-CaO-SiO2 float......
:1672-7207(2010)03-0852-07 Desulfuration of high sulfur bauxite by oxidation roasting HU Xiao-lian, CHEN Wen-mi, XIE Qiao-ling (School of Metallurgical Science and Engineering, Central South University, Changsha 410083,China) Abstract: Using the two kinds of ore from Henan province, the oxidation roasting process of the desulfuration from the diasporic high sulfur bauxite was studied......