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Porous carbon supported atomic iron as electrocatalysts for acidic oxygen reduction reaction: 《Science Bulletin》2018年第4期213-215,共3页Peiwen Yu Renjie Chen Qiao Zhang Sihui Liang Mei Ni Wen Yang; supported by the Beijing Natural Science Foundation (2172051);State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University,the Open Funds of the State Key Laboratory of Electroanalytical Chemistry SKLEAC201708); Iron and nitrogen co-doped carbon(Fe-N-C)materials are promising oxygen reduction reaction(ORR)catalysts due to its considerable catalytic performance[1–4].Currently,the catalytic activity of the Fe-N-C materials sti...; 关键词：反应原子催化剂线多孔铁氧碳催化活动

High-performance oxygen reduction catalysts in both alkaline and acidic fuel cells based on pre-treating carbon material and iron precursor被引量：1: 《Science Bulletin》2017年第23期1602-1608,共7页Ping Song Heather M.Barkholtz Ying Wang Weilin Xu Dijia Liu Lin Zhuang; supported by the National Basic Research Program of China (2012CB932800, 2014CB932700);the National Natural Science Foundation of China (21503212, 21503211, 21433003, 21422307, and 21303180);the financial support from U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy, Fuel Cell Technologies Office; We demonstrate a new and simple method for pre-treating the carbon material and iron precursor to prepare oxygen reduction reaction(ORR) catalysts, which can produce super-high performance and stability in alkaline so...; 关键词：Pre-treatment Uniform nanoparticle Super-high performance High stability Fuel cell

MicroRNAs in hypoxia and acidic tumor microenvironment被引量：5: 《Chinese Science Bulletin》2014年第19期2223-2231,共9页Haojie Jin Ning Wang Cun Wang Wenxin Qin; supported by the National Natural Science Foundation of China (81201627);the Shanghai Natural Science Foundation of China (13ZR1440300);the Shanghai Municipal Program of International Cooperation in Science and Technology (12410709800); MicroRNAs(miRNAs)are short non-coding RNAs of*22 nucleotides that play important roles in diverse biological functions including tumor adaption,survival,and metabolism homeostasis in specific tumor microenvironment,su...; 关键词：肿瘤发生 microRNA 缺氧症微环境酸性 miRNA 低氧诱导因子非编码RNA

Adsorption of Cd(Ⅱ) from acidic aqueous solutions by tourmaline as a novel material被引量：11: 《Chinese Science Bulletin》2012年第24期3218-3225,共8页WANG CuiPing WANG BaoLin LIU JingTing YU Li SUN HongWen WU JiZhou; supported by the National Natural Science Foundation of China (20907024);the Fundamental Research Funds for the Central Universities; Batch experiments were conducted to investigate the behavior and mechanisms for the adsorption of Cd(Ⅱ) from aqueous solutions by tourmaline under acidic conditions. The results indicated that the adsorption of Cd(Ⅱ...; 关键词：酸性水溶液吸附时间镉(Ⅱ) 电气石 LANGMUIR模型 FREUNDLICH模型碱性水溶液 Cd(Ⅱ)

The synthesis and characterization of a Co-N/C composite catalyst for the oxygen reduction reaction in acidic solution被引量：3: 《Chinese Science Bulletin》2011年第11期1086-1091,共6页SI YuJun CHEN ChangGuo YIN Wei CAI Hui; supported by the Innovative Talent Training Project(CDJXS11220004);the Fundamental Research Funds for the Central Universities of Chongqing University;the Scientific Reserch Fund of SiChuan Provincial Education Department(10ZB126);the Natural Science Foundation Project of Chongqing,China(CSTC2009BB6213); A non-precious metal Co-N/C catalyst for the oxygen reduction reaction (ORR) was synthesized by heating a mechanical mixture of cobalt chloride,urea and acetylene black under a nitrogen atmosphere.The catalyst was cha...; 关键词：复合催化剂氧还原反应酸性溶液合成线性扫描伏安法 H2SO4溶液表征催化剂活性

Preparing amphiphilic acidic zeolite via chemically coating alkylamine被引量：1: 《Chinese Science Bulletin》2007年第17期2316-2319,共4页SUN RuiQin CHUN Yuant MA BingLi LI Ping DONG JiaLu XU QinHua; Supported by the National Natural Science Foundation of China (Grant No. 20203010);the Opening Test Fund of Nanjing University (Grant No. 0205001330); Amphiphilic ODA/HY and ODA/ Hβ zeolites have been prepared via chemically coating octadecylamine (ODA) with alcohol as solvent. IR and titrimetric results indicate that ODA molecules are chemisorbed on the acidic sit...; 关键词：酸性沸石两性分子化学涂覆烷基胺制备方法

An acidic polysaccharide with xylose branches from Porphyra yezoensis被引量：3: 《Chinese Science Bulletin》2001年第3期207-210,共4页ZHANG Weiyun CHEN Hao WANG Shuijuan XIA Zhonghao FEI Xiugeng TAN Renxiang; This work was supported by the National Natural Science Foundation of China (Grant Nos. 39725033 and 39970083);and also by the Research Fund for the Doctoral Program of Higher Education (Grant No. 1999028419).; An acidic polysaccharide (PY3) was isolated from the hot water extract of the red algae Porphyra yezoensis by successive column chromatographies over DEAE-cellulose and Sephadex G-200. PY3 with an average molecular we...; 关键词：PORPHYRA YEZOENSIS ACIDIC POLYSACCHARIDE structure elucidation.

MAS NMR studies of modified HY zeolites: 《Chinese Science Bulletin》2000年第4期325-330,共6页LI Wenli WANG Yi TAN Zhongyin BAO Xinhe; The variations in structure and acidity on the internal and external surfaces of HY zeolites modified by MgO and SiO2 have been studied by MAS NMR, together with the selective adsorption of perfluorotributyl-amine. 27...; 关键词：HY ZEOLITE MAS NMR modification ACIDIC SITE loading.

Effect of the control proliferation of astrocyte on the formation of glial scars by antisense GFAP retrovirus: 《Chinese Science Bulletin》2000年第1期38-44,共7页HUANG Qilin CAI Wenqin ZHANG Kecheng; Astrocytes play an important role in the formation of glial scars. in order to investigate the effect of inhibiting GFAP gene expression on normal, reactive astrocytes and on glial scar formation, the efficiency of th...; 关键词：ASTROCYTE GLIAL fibrillary ACIDIC protein brain injury retrovirus.

Intermediate-acidic silicate melt found in continental mantle of East China被引量：6: 《Chinese Science Bulletin》1997年第10期879-880,共2页Fan, QC Liu, RX Xu, P Lin, ZR; CO₂-RICH fluid inclusions have been found in 6 anhydrous peridotite xenolith minerals in Ceno-zoic basalts of 5 areas in East China.Electron probe backscattering electron image reveals thatseveral inclusion...; 关键词：Intermediate-acidic silicate melt found in continental mantle of East China

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