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- polyester amide membrane 聚酯酰胺膜
- Polyester amide polyols were synthesized from adipic acid and RDEA which was the mixed polyol of aliphatic alcohol amide prepared with rapeseed oil and diethanolamine. 以菜籽油和二乙醇胺为原料制备了脂肪醇酰胺混合多元醇RDEA,进一步和己二酸等原料反应合成了系列的聚酯酰胺多元醇,并对两类多元醇进行了表征。
- Synthesis of Vegetable Oil Based Polyester Amide Polyols and Its Application in Water-borne PU 植物油基聚酯酰胺多元醇的合成及其在水性聚氨酯中的应用
- He drank off the flagon of wine amid their cheers. 在他们的喝彩声中他喝了一大瓶酒。
- He sat down amid deafening applause. 他在震耳欲聋的掌声中就坐。
- He kept calm amid all these excitements. 他在这些使人激动的事件中保持镇静。
- She left amid a swarm of photographers. 她离开时一群摄影记者围着她。
- He drank off the wine amid the cheers. 他在一片喝采声中把酒一饮而尽。
- A thin layer of bone, membrane, or other tissue. 骨骼、粘膜或其它组织的薄层
- He drank off a glass of beer amid their cheers. 在他们的欢呼声中,他把杯子里的啤酒一饮而尽。
- He felt strange amid so many people. 和这么多人在一起,他感到不自在。
- He drank up the wine amid the cheers. 他在一片喝采声中把酒一饮而尽。
- Amid all the fumes and hurtling missiles we kept our heads. 虽在烟雾弥漫,弹片横飞之中,而我们还是镇定不乱。
- amide membrane package 聚酰胺亲和膜包
- This polyester shirt doesn't breathe. 这件涤纶衬衣不透气。
- A thin skin or film, such as an organic membrane or a liquid film. 薄皮,薄膜如生物膜或液体膜等细薄的皮或膜
- A church stands amid skyscrapers. 摩天大楼之间耸立著一座教堂。
- A tightly stretched sheet or membrane, as on the head of a drum. 绷紧的薄膜状物挤压得很紧的平板或薄膜,如鼓面
- It's made of cotton laced with polyester fibres. 它有棉和聚酯纤维混纺而成。
- A vibrating membrane in the ear helps to convey sounds to the brain. 耳膜的振动帮助声音传送到大脑。