hexamethylene的例句（hexamethylene在句子中的用法）

• Hexamethylene diisocysnate ( HMDI ) may be used in prepolymer, in place of TD I. 六亚甲基二异氰酸酯 ( HMDI ) 可用在预聚物中代替甲苯二异氰酸酯〔TOI〕.
• R is tetramethylene, pentamethylene, or hexamethylene. R为四甲撑 、 五甲撑或六甲撑.
• Hexamethylene diisocyanate ( HMDI ) may be used in prepolymer, in place of TDI. 六亚甲基二异氰酸酯 ( HMDI ) 可用在预聚物中代替甲苯二异氰酸酯〔TDI〕.
• A series of Copolyimides, derived from hexamethylene diamine ( HMD ) , 4,4� � - diaminodiphenyl ether ( ODA ) and 3,3� �, 4,4� � - oxydiphthalic dianhydride ( ODPA ), were prepared. 采用二苯醚3,3, ′4, 4′-四 甲酸 二酐与己二胺和4, 4′-二氨基二苯醚为 单体 合成聚酰胺酸, 经热酰亚胺化制备共聚型聚酰亚胺.