化学化工专业英语.ppt

09级化学类演讲人:贾会友制作者:刘月宇Theme:poundsinTapWater幅光漾遭川微季渊颓阑坑美斤黔陈蚀仟询氮训片询咬净勉胞遣幂脉峻鹃如化学化工专业英语化学化工专业英语Asweallknowchemicalpollutionisglobalproblem,Howtoreducingchemicalpollution?,anicreactionshasattractedconsiderableinterestrecentlybecausewaterisconsideredtobeasafeandenvironmentallybenignsolvent绝钨拳瓤孽塞桓漳拐宪诫始塔累葡帅箩币昧啪贸诺人吝扯蚕曰空禾召听微化学化工专业英语化学化工专业英语ThefirstofexperimentstepFirstly,toinitiatetheexperiment,amixtureofbenzaldehyde,allylbromide,,thereactionwasmonitoredbyTLC,andthereactionmixturewasextractedwithether;subsequently,theetherextractwaswashedwithwateranddriedwithmagnesiumsulfate臆隋纶烘俭案啼菠端广愚病整宿尼氖堂切谱景两烧懒歼够氢疏复漆舷召观化学化工专业英语化学化工专业英语ThethirdofexperimentstepAfterremovalofthesolvent,,-,thegreatertheratioofsurfacetovolume,whichleadstoalargeincreaseofatomsonthesurfaceandanabundanceofsuspendedandunsaturatedbondsandsoon,,,,replacingthedistilledwaterwithtapwaterhadnoinfluenceontheallylations,anicexperimentinthewater引攻露擦军秘涯福毡蛮猫院钦斡费泥防恫言踌犀答莆赫艾寻刹蚤锄脉卵娥化学化工专业英语化学化工专业英语