butyryl

常見例句

• In present study, butyryl chitosans were synthesized by esterification with butyric anhydride as catalyst.
  摘要考察了催化劑和反應(yīng)時間對丁醯化反應(yīng)的影響。
• In present study,butyryl chitosans were synthesized by esterification with butyric anhydride as catalyst.
  考察了催化劑和反應(yīng)時間對丁醯化反應(yīng)的影響。
• Butyryl chitosan can form cholesteric liquid crystalline phase by dissolving in more than ten solvents.
  丁酸殼聚糖能溶於十多種溶劑中形成膽甾型液晶相。
• The TG spectra shows that the butyryl chitosan almost has the similar thermal stability as chitosan.
  同時,利用熱失重(TG)考察了丁醯化殼聚糖的熱穩(wěn)定性,發(fā)現(xiàn)醯化度對丁醯化殼聚糖的初始熱分解溫度影響不大。
• Methyl 1 phenyl Propanone was synthesized with benzene and iso butyryl chloride by using anhydrous aluminium trichloride as catalyst.
  由苯與異丁醯氯在無水三氯化鋁作催化劑的條件下制備苯基異丙基酮。
• Using sodium carbonate and calcium oxide as cheap acid-capturer,perfume furfuryl butyrate was synthesized from furfuryl alcohol and butyryl chloride,and was characterized by GC and IR.
  由丁醯氯和糠醇反應(yīng),以廉價的氧化鈣和碳酸鈉爲(wèi)複郃束酸劑,郃成了香料丁酸糠醇酯,竝用IR、GC等進(jìn)行了表征。
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