美['?s??t?l] 1 . Butyraldehyde 1,2 proparediol acetal was synthesized by using stannous chloride as catalyst.
以非質子酸氯化亞錫為催化劑,催化合成了丁醛-1,2-丙二醇縮醛.
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2 . Butyraldehyde 1,2 propanediol acetal was synthesized by using stannous chloride as catalyst.
以非質子酸氯化亞錫為催化劑,催化合成了丁醛-1,2-丙二醇縮醛.
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3 . The synthetic method of acetal suitable for the industrialization was introduced.
介紹了適合工業化的乙酰乙醛縮二甲醇合成路線.
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4 . The necessary material of 2 - ( 2 - methoethyl ) acetaldehyde diethyl acetal was synthesized in addition.
另外還合成了必需原料 2- ( 2- 甲氧基乙氧基 ) 乙醛二乙醇縮醛.
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5 . UNC Zinc Plated Bolt, 2 X Self Lubricating Acetal Journal Bearings, Tread is mechanical interlock to hub.
不C鋅鍍金的門閂,2X自己的潤滑縮荃日記舉止, 踏是對轂的機械互鎖.
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1.縮醛
1.乙縮醛：醛與乙醇縮合而成的有機化合物
