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Effect of dolomite on reduction swelling property of iron ore pelletsXU Bin(许斌), HOU Tong(侯通), CHEN Xu-ling(陈许玲), LI Qian(李骞), JIANG Tao(姜涛), LI Peng(李鹏) (School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China)Abstract:The effect of various dosages of dolomites on the reduction swelling property of iron ore pellets was studied. Experimental results......
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Influence of hydrolysis in sulfate process on titania pigment producing TIAN Cong-xue(田从学)1, 2, DU Jian-qiao(杜剑桥)1, CHEN Xin-hong(陈新红)1, MA Wei-ping(马维平)1, LUO Zhi-qiang(罗志强)1, CHENG Xiao-zhe(程晓...; Abstract: Using industrial titanyl sulfate solution as feedstock, titania white pigment was prepared by self-generated seeded thermal hydrolysis method......
Preparation of Agarose Sulfate and Its Antithrombogenicity揭油平,汤顺清Biomedical Engineering Institute, Jinan University摘 要:As one of the seaweed polysaccharide... of the insoluble agarose sulfate (below 37 ℃) were synthesized with degree of substitution (DS) being 0.17 and 0.43 respectively. Infrared spectroscopy (IR) and 13C nuclear magnetic resonance (13C-NMR......
J. Cent. South Univ. (2016) 23: 44-51 DOI: 10.1007/s11771-016-3047-7 Numerical simulation of chemical vapor deposition reaction in polysilicon reduction furnace XIA Xiao-xia(夏小霞)1, 2, WANG Zhi-qi(王志... Central South University Press and Springer-Verlag Berlin Heidelberg 2016 Abstract: Three-dimensional model of chemical vapor deposition reaction in polysilicon reduction furnace was established......
Trans. Nonferrous Met. Soc. China 23(2013) 548-555 Response surface optimization of process parameters for reduction roasting of low-grade pyrolusite by bagasse Ke-di YANG1, Xian-jia YE1, Jing SU1... University, Nanning 530004, China Received 8 October 2011; accepted 9 April 2012 Abstract: The reduction roasting processes for low-grade pyrolusite using bagasse as the reducing agent was statistically......
J. Cent. South Univ. Technol. (2010) 17: 1310-1319 DOI: 10.1007/s11771-010-0636-8 Multi-label dimensionality reduction based on semi-supervised discriminant analysis LI Hong(李宏), LI Ping(李平), GUO... algorithm called multi-label dimensionality reduction via semi-supervised discriminant analysis (MSDA) was proposed. It was expected to derive an objective discriminant function as smooth as possible......
的影响如图6所示. 图6 反应温度对砷,碲,铋还原沉淀率的影响 Fig. 6 Effect of on reduction precipitation rate of As, Bi and Te 由图6可知,碲还原沉淀率随着反应温度的增加而增加,当温度为50℃增加到70℃时碲还原沉淀率从86.66%增加到96.56%,继续增加反应温度碲还原沉淀率没有明显增加.因此,适宜的...XRD和SEM实验,实验结果如图8和9所示. 图7 反应时间对砷,碲,铋还原沉淀率的影响 Fig. 7 Effect of reaction time on reduction precipitation rate of As, Te and Bi 图8 还原沉淀渣的XRD谱 Fig. 8 XRD pattern of reduction......
Trans. Nonferrous Met. Soc. China 28(2018) 783-793 Thermodynamics and kinetics of fluoride removal from simulated zinc sulfate solution by La(III)-modified zeolite Yan-qing LAI, Kai YANG, Chao YANG...: To understand the mechanism of fluoride removal from the simulated zinc sulfate solution by the La(III)-modified zeolite, the adsorbent was characterized by XRD, SEM and EDS. The effects of absorbent dose......
J. Cent. South Univ. (2021) 28: 1279-1290 DOI: https://doi.org/10.1007/s11771-021-4696-8 ZIF-67 derived CoSx/NC catalysts for selective reduction of nitro compounds ZHANG Guang-ji(张广吉)1, TANG Fei... possesses higher degree of S defects and larger specific surface areas, can achieve high conversion, selectivity and stability for catalytic reduction of nitro compounds into amines under mild reaction......