Polyether diol mainly adopts polytetramethylene ether glycol ( PTMEG ).聚醚二醇主要采用聚四氢呋喃醚二醇 ( PTMEG ).Polyhexamethylene adipate diol and Polyurethane aquocmulsion based on the polyester are prepared.以己二酸、己二醇为原料合成聚己二酸己二醇酯二醇,并...
No clear spherulitic morphology was observed in polarizing optical micrograph of PHB - diol.在PHB-diol的偏光显微镜照片中观察不到明显的球晶形态.The water - borne polyurethane was based on polyester diol and toluene diisocyanate etc.以聚酯多元醇、甲苯二...
The Greenpeace flagship is voyaging through the Arctic cold of the Barents Sea.绿色和平组织的旗舰正在穿越巴伦支海的北极寒冷地带。The submarine lies at a depth of 6,000 feet in the Barents Sea.潜艇位于巴伦支海水下6,000英尺深处。Seesaw structure of subsurface te...
It exposes the fallacy of short-term industrial gain at long-term environmental expense.这暴露了以长久的环境破坏为代价换取短期工业利益的错误。It is a fallacy to say that the camera never lies.说照相机绝不骗人，这是谬见。Facts once again give the lie to the fall...