All solvents were of analytical grade.怎么翻译呢

All solvents were of analytical grade.怎么翻译呢 英语翻译The gallotannins of Galla chinensis (GAC) were extracted consecutively by five solvents of different polarity,and the antioxidant and antimicrobial activities of the extracts were evaluated.All of the ether-,ethylacetate-,ethanol-,and wat 英语翻译EXPERIMENTALReagentsODOPB was prepared in our laboratory.26 Epichlorohydrin (EPI) from Janssen Co.and potassium hydroxide from Showa Co.were used as received.All solvents were reagent grade or were purified by standard methods before use. All of My Friends Were There 歌词 求高人翻译一下 英语科技外文的All solvents and reactants were obtained from Aldrich and usedwithout further purification: hydrogen peroxide solution 30%, ace-tonitrile 99.9%, tetrapropylammonium bromide 99%, glacial aceticacid 99%, and p 英语翻译The CdSe/ZnS QDs used in this study were grown using the methods of colloidal NC synthesis utilizing high temperature pyrolysis of organometallic precursors in coordinating organic solvents全句翻译下面那个 many inventins_____ hundreds of years agoA.all were inventedB.were all invented All of us were excited about the exciting news.翻译 All of them were very happy and they c____their hands All of us were _____(amaze) at the news. All of the bus-drivers were women.改为否定句 翻译：We were all scared to death of Mrs Arbour . there were all kinds of shoes and boots in d_colours The girls were playing bu the sea_____swimming suits.A all of them woreB all were wearingC all of whom wearingD all wearing答案是D, ( )of rhe twins( )at school yeasterday a.Both were b.Both was c.All were d.All was All his efforts were a little avail ,All his efforts were of little avail.哪一句正确?请指教. 句子翻译What of the Southern leaders,all of whom were liable to charges of treason? all of us were moved to tears all the sorrowful story.moved tear为什么加s