而环氧粉末涂料的固化反应只有环氧树脂与固化剂 - 双氰胺的交联反应.The cross - linkedstructure of epoxy and phenolic resins increased because of the crosslinking between the two resins.研究了酸度对苯胺与双氰胺加成反应生成苯基双胍的影响.The effect of acidity on synthesis of phen...
A tooth which has been hit hard may discolour.受过重击的牙齿可能会变色。Plastic tends to discolour with age.塑料久而久之便会退色。Benzoyl peroxide can cause fabric to discolour on contact. Use with care.过氧化苯可能导致织物脱色, 请小心使用....
Fish such as cod, flounder, and haddock are caught in this way.鳕 、 比目鱼 、 黑线鳕等都是用这种方法捕捞的.Use Scottish smoked haddock if you can.如果可以的话就用苏格兰熏黑线鳕。Tonight the haddock were shoaling massively in three hundred fathoms.今晚鳕鱼将要大量...
收藏家们会花5万到100万美元去购入一份稀有标本。Collectors will pay $50,000 to $1 million for a rare specimen.他身为艺术历史学家和收藏家，同时也是一名从业建筑师。An art historian and collector, he was also a practising architect.他的作品在收藏家们那里很抢手。His work is much sought a...
许多学生被浓烟和大火困在了较高的一层上。Many students were trapped by smoke and fire on an upper floor.通常是那些受教育程度较高的人在全民公决中投赞成票。In general, it was the better-educated voters who voted Yes in the referendum.溶液中的气体由浓度较高的区域向浓度较低的区域扩散.A gas in ...
The doctors gave numerous examples of patients being expelled from hospital.医生们列举了大量病人被逐出医院的实例。Scientific development meant the growth of numerous professions ancillary to medicine.科技发展意味着许多医学衍生职业的增长。This year numerous b...