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high arsenic refractory gold concentrate by bacterial oxidation-cyanidation YANG Wei 1, QIN Wen-qing 1, LIU Rui-qiang 2, REN Yun-chao 3 (1. School of Resources Processing and Bioengineering... shows that the iron-arsenic mole ratio of arsenic-containing gold concentrate has direct effect on the bacteria oxidation, bacteria activity and iron-arsenic molar ratio in solution. High iron-arsenic......
；细菌群落 中图分类号:X172 文献标志码:A 文章编号:1672-7207(2013)02-0847-07 Bacterial community distribution... 100124, China) Abstract: Techniques of scanning electron microscopy (SEM), denaturing gradient gel electrophoresis (DGGE), cloning and sequencing were utilized together to study bacterial community......
J. Cent. South Univ. Technol. (2009) 16: 0223-0229 DOI: 10.1007/s11771-009-0038-y Acidophilic bacterial community reflecting pollution level of sulphide mine impacted by acid mine drainage WAN...; Abstract: To reveal the impact of mining on bacterial ecology......
Why does nitrogen-doped graphene oxide lose the antibacterial activity?Jiajun Qiu1,Lu Liu1,Shi Qian1,Xuanyong Liu1,31. State Key Laboratory of High Performance Ceramics and Superfine Microstructure... surface presented antibacterial activity,while nitrogen-doped GO lost the antibacterial activity.The reason is that antibacterial mechanisms for the GO-metal system contain two steps.First,electron transfer......
by liquid hydrolysis method and characterized using XRD. Its antibacterial activity against two representative bacterial, Escherichia coli and Staphylococcus aureus, was also studied. The experimental...Preparation of Nano-TiO2 by Liquid Hydrolysis and Characterization of Its Antibacterial Activity张启焕1,2,YAN Xin1,邵荣1,DAI Honglian2,LI Shipu21. College of Chemical and Biological Engineering,Yancheng......
(Ⅵ) reduction activity is basically correlated with bacterial growth. Cr(Ⅵ) concentration gradually decreases with the increase of bacterial growth, and there is a significant increase in bacterial growth as Cr... on the cells, the strain reduces 40 mg/L Cr(Ⅵ) to about 18 mg/L Cr(Ⅵ) in 72 h. 3) There is a good correlation between Cr(Ⅵ) reduction activity and bacterial growth. A drop of pH value......
An approach for complex activity recognition by key framesXIA Li-min(夏利民), SHI Xiao-ting(时晓亭), TU Hong-bin(涂宏斌) (School of Information Science and Engineering, Central South University, Changsha 410075, China)Abstract:A new method for complex activity recognition in videos by key frames was presented. The progressive bisection strategy (PBS) was employed to divide the complex activity......
with petroleum-degrading bacterium in combination with wheat grass; petroleum degradation rates, microbial population, dehydrogenises activity were measured, and degradation of n-alkanes was analyzed by GC.... Increased soil microbial biomass and dehydrogenase activity are beneficial to oil degradation. The effects of petroleum-degrading combined with bacterium-plant on high carbon number n-alkanes......
J. Cent. South Univ. Technol. (2010) 17: 755-759 DOI: 10.1007/s11771-010-0552-y Photocatalytic activity of bauxite-tailings supported nano-TiO2 LU Qing-hua(卢清华) , HU Yue-hua(胡岳华), WANG Meng(王梦... of phenol concentration under different illumination time. Effects of the calcination temperature, the pH and the cycles on the photocatalytic activity of TiO2/BTs composites were investigated......
Equivalent Activity Coefficient Phenomenon of Cerium Reacting with Lead or Bismuth in Ag, Cu and Zn Alloy 钱乙余1,薛松柏1,董健2 (1.National Key Laboratory of Advanced Welding Production Technology, Harbin Institute of Technology, Harbin 150001, China;2.Harbin Welding Institute, Harbin 150080, China) Abstract:The relation between contents of cerium and impurity lead or bismuth to their activity......
