音標發(fā)音英式音標 [?pr??.p?.n??n]美式音標 [?pro?.p?.no?n]英式發(fā)音 美式發(fā)音 基本解釋n.丙酮同根派生 propanone相關(guān)詞英漢例句Ethel ether, propanone and methyl alcohol were used for the separation of sample, BRUKER VECTOR33 FTIR spectrometer was used for test. 分別采用乙醚、丙酮、甲醇等有機溶劑對樣品進行分離處理,通過BRUKER VECTOR33傅里葉變換紅外光譜儀進行測試,對分離后各組份的紅外光譜特征進行解析,給出樣品的定性和定量分析結(jié)果;Methyl 1 phenyl Propanone was synthesized with benzene and iso butyryl chloride by using anhydrous aluminium trichloride as catalyst. 由苯與異丁酰氯在無水三氯化鋁作催化劑的條件下制備苯基異丙基酮。Result shows that the organic releasing film basing on propanone dissolved acrylic resin can give aluminum film or aluminum flake with uniform thickness. 結(jié)果發(fā)現(xiàn),通過丙酮溶解丙烯酸樹脂基有機釋放膜,可獲得厚度十分均勻的鋁膜或鋁鱗片。The proposed method was applied to extracting pure spectra and determining background of a two component system which consists of dichloroethane and propanone, satisfactory results were obtained. 本方法用于二氯乙烷及丙酮中各組分紅外光譜的提取,獲得了滿意的結(jié)果。1 - Phenylsulfonyl - 2 - Propanone 1-苯砜基-2-丙酮propanone更多例句英英字典劍橋英英字典 a clear liquid that burns easily and is used in paints, glues, etc. to make them flowpropanone劍橋字典propanone柯林斯字典