共搜索到9818条信息,每页显示10条信息,共982页。用时:0小时0分0秒828毫秒
Comparative study on effects of Tween-80 and sodium isobutyl-xanthate on growth and sulfur-oxidizing activities of Acidithiobacillus albertensis BY-05 ZHANG Cheng-gui(张成桂), XIA Jin-lan(夏金兰), ZHANG...; Abstract: Effects of two typical surfactants, Tween-80 and sodium isobutyl-xanthate (NaIBX), with different concentrations on the growth and sulfur-oxidizing activities of a new strain......
brierleyi; cryopreservation; liquid nitrogen; growth activities  ... are filtered or not. In the second activation, three bacterial growth activities remain almost the same compared with the unfiltered one. This means that the autotrophic bioleaching strains may be unfilteredly......
. Adsorption effect of LaCl3 on the electrochemical activities, grain sizes, textures and microstructure of Ni-S coatings were characterized by means of SEM, XRD and electrochemical methods. The results show that LaCl3 can inhibit growth of coatings. The Ni-S coatings obtained from bath containing LaCl3 have larger surface area and much smaller grain sizes than those from the bath without additive. Ni-S......
Y/Eu co-doped TiO2: synthesis and photocatalytic activities under UV-light王瑞芬1,2,王福明2,安胜利1,2,宋金玲1,张胤11. School of Materials and Metallurgy Inner Mongolia University of Science and Technology2. School... transform infrared(FT-IR) spectra. Experimental results indicated that Y and Eu doping inhibited the growth of crystalline size and the transformation from anatase to rutile phase and had the function......
Y/Eu co-doped TiO2: synthesis and photocatalytic activities under UV-light王瑞芬1,2,王福明2,安胜利1,2,宋金玲1,张胤11. School of Materials and Metallurgy Inner Mongolia University of Science and Technology2. School... transform infrared(FT-IR) spectra. Experimental results indicated that Y and Eu doping inhibited the growth of crystalline size and the transformation from anatase to rutile phase and had the function......
Chromium accumulation, microorganism population and enzyme activities in soils around chromium-containing slag heap of steel alloy factory HUANG Shun-hong(黄顺红), PENG Bing(彭 兵... in a steel alloy factory were analyzed for chromium contamination level and its effect on soil microorganisms and enzyme activities. The results show that the average concentrations of total Cr in the soil......
maintenance energy requirement of the microbial community. Moreover, the contents of metals may possibly have negative implications for soil microbial and enzyme activities in reconstructed soil. Key words: reconstructed mine soil; mineral-processing wastes; microbial biomass; enzyme activities 1 Introduction Mineral resources are the most important resources on which human beings depend [1]. However, most......
(NO3)3 on the growth,activities of SOD,CAT and MDA content in shoots and roots of wheat seedlings under mercury stress were evaluated by the nutrient solution culture experiment. The results suggest...Effect of La3+ on Activities of Antioxidant Enzymes in Wheat Seedlings under Mercury Stress 彭安1,李春俭2,邢晓燕1,王东红1,庞欣1,张福锁2 (1.State Key Laboratory of Environmental Aquatic Chemistry, Research Center......
Effect of Neodymium on Physiological Activities in Oilseed Rape during Calcium Starvation ZHOU Xiao-bo1,WEI You-zhang1 (1.Department of Soil Science & Agrochemistry, Zhejiang University, Hangzhou 310029, China) Abstract:It was reported that rare earth elements promote plant growth and other physiological activities. Since the ion radius of Nd3+ is very close to that of Ca2+, the interaction......
J. Cent. South Univ. (2018) 25: 1628-1641 DOI: https://doi.org/10.1007/s11771-018-3855-z Effects of single-walled carbon nanotubes on growth and physiological characteristics of Microcystis... growth control were investigated under lab cultured conditions. Related physiological changes were tested involving several important enzyme of antioxidant defense system (superoxide dismutase (SOD......