共搜索到10624条信息,每页显示10条信息,共1063页。用时:0小时0分0秒250毫秒
In photochemical preparation of the colloidal Au or Ag particals, PEG was mainly used as the protective agent and acetone can accelerate the photoreduction reaction. After 10min irradiation, yellowy gold solution...Article ID: 1003-6326(2005)02-0310-04 Photochemical synthesis of bimetallic Au-Ag nanoparticles with "core-shell" type structure by seed mediated catalytic growth DONG Shou-an(董守安), TANG Chun(唐......
海水与淡水中氰化物光化学降解的对比研究安路阳1,薛文平1,尤飞1,姜雪1(1.辽宁省大连市大连工业大学化工与材料学院)摘 要:氰化物的光化学降解是水中氰化物污染去除的重要途径之一,但在不同水体中氰化物的降解差异较大.文中对含氰海水与淡水进行了不同自然光照条件下的降解模拟试验.试验结果表明,光照越强,温度越高,氰化物降解越快;在相同试验条件下,氰化物在海水中的降解速率高于淡水.同时,还进行了紫外光照射条件下加入光催化剂TiO2的含氰海水降解试验,反应150min即可达到排放标准要求.对降解反应的动力学进行了分析,......
......
......
the ability to relieve the inhibition of the photochemical reaction of chloroplast caused by lino-lenic acid to some extent.关键词:...Alleviation effects of Ce3+ on inhibition of photochemical activity caused by linolenic acid in spinach chloroplast刘晓晴,黄浩,刘超,马玲兰,刘洁,殷四涛,洪法水摘 要:<正>......
......
Reaction mechanism of molten NaOH decomposing Zn2SiO4 in willemiteZHAO Chang-ming(赵昌明)1, 2, ZHAI Yu-chun(翟玉春)2, ZHANG Chong-min(张崇民)1, LI Jun-li(李军丽)1, LI Sheng-li(李胜利)1(1. School of Materials... form of Zn2SiO4 in willemite, the chemical precipitation method was used to synthesize Zn2SiO4. Through the orthogonal experimentation, the reaction conditions of melten NaOH decomposing Zn2SiO4 were......
Electrochemical and Reaction Bonding Processing of Thick ZrO2/Al2O3 Composite Coatings WANG Zhou-cheng1,XIAO Ping2 (1.Dept. of Materials Science and Engineering, Xiamen University, Xiamen, China;2.Manchester Materials Science Centre, University of Manchester, Manchester, UK) 摘要:A novel technique combining electrophoretic deposition (EPD) and reaction bonding process (RBP) is developed......
Formation of composites fabricated by exothermic dispersion reaction in Al-TiO2-B2O3 system ZHU He-guo(朱和国)1, WANG Heng-zhi(王恒志)1, GE Liang-qi(葛良琦)1, CHEN Shi(陈 湜)1, WU Shen-qing(吴申庆)2 1...; Abstract: The formation of aluminum matrix composites fabricated by exothermic dispersion reaction in Al-TiO2-B2O3 system was investigated. The thermal......
Reaction diffusion in continuous SiC fiber reinforced Ti matrix composite L? Xiang-hong(吕祥鸿), YANG Yan-qing(杨延清), HUANG Bin(黄 斌), LUO Xian(罗 贤), LIU Yu-cheng(刘玉成) State Key Laboratory... pure Ti(TA1) matrix composites were fabricated by a vacuum hot pressing(VHP) method and then heat-treated in vacuum under different conditions. The interfacial reaction and the formation of interfacial......