diisocyanate是什么意思

diisocyanate的音标：diisocyanate的英式发音音标为：[daɪaɪsə'saɪəneɪt]diisocyanate的美式发音音标为：[daɪaɪsə'saɪəneɪt]...

Polyurethane elastomers based on glycols ( PEA, PPG PTMG ) , diisocyanate ( TDI ) and chain extender ( E - 300 ) were prepared.以多元醇 ( PEA, PPG,PTMG ),PDI, E300为原料,制备了 PU 弹性体.Polyether - type isocyanate prepolymers are pr...

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〕.Polyurethane elastomers based on glycols ( PEA, PPG PTMG ) , diisocyanate ( TDI ) and chain extender...

follower的音标：follower的英式发音音标为：['fɒləʊə(r)]follower的美式发音音标为：['fɑloʊə(r)]...

Dangerous undertows make swimming unsafe along most of the coastline.由于存在着危险的下层逆流，在大部分海岸线附近游泳都不安全。The ice on that pond is unsafe for skating.在那个池塘的冰面上溜冰不安全。In the larger neighbourhood, I felt very unsafe.在大一点的小区里，我感到很不安全...

Isoamyl butyrate was synthesized by using potassium bisulfate as the catalyst.以硫酸氢钾为催化剂,正丁酸和异戊醇为原料合成了正丁酸异戊酯.Isoamyl butyrate was synthesized by using ceric sulfate as the catalyst.以硫酸高铈为催化剂,正丁酸和异戊醇为原料合成了正丁酸异戊酯.Isoamyl bu...

lithothrypty的音标：lithothrypty的英式发音音标为：[laɪθəʊθ'rɪptɪ]lithothrypty的美式发音音标为：[laɪθoʊθ'rɪptɪ]...

restaurateur的音标：restaurateur的英式发音音标为：[ˌrestərə'tɜ:(r)]restaurateur的美式发音音标为：[ˌrɛstərə'tɚ]...

lymphogranulomas的音标：...

She didn't know whether to feel flattered or indignant.她不知道应该感到高兴还是愤怒。She was very indignant at the way she had been treated.她对于自己受到的待遇大为光火。She waxes righteously indignant if anyone tries to contradict her.如果有人想反驳她,...

她好像捕捉到他语气中不坚决的成分.She seemed to catch the uncertainty of his voice....

clicks的音标：...

“远日点”的英语可以翻译为：aphelion ...

adj.交叉存取的，隔行扫描的v.插入纸( interleave的过去式和过去分词 )...

Protestant的音标：Protestant的英式发音音标为：['prɒtɪstənt]Protestant的美式发音音标为：['prɑtɪstənt]...

我没当母亲，所以觉得那样的闲谈无聊透顶。Not being a mother, I found the chit-chat exceedingly dull.这本书里都是些饶有趣味的闲谈瞎扯。The book is enjoyable hokum.这个传闻会是闲谈专栏作家的又一素材。This story will be more fodder for the gossip columnists....

“漂白”的反义词：染黑。...

Gymnopleura的音标：...