树脂类(Resins)树脂是许多植物正常生长中分泌的一类物质,在植物体内常与挥发油、树胶、有机酸等混合存在。与挥发油共存的称油树脂,如松油脂,与树胶共存的称胶树脂,如阿魏,与大量芳香族有机酸共存的称香树脂,如安息香。这种与树脂共存的芳香酸通称为香脂酸(Balsamic acids),有些树脂与糖结合成甙,称甙树脂,如牵牛甙树脂。树脂可用于制作成光学树脂镜片。
丙烯酸树酯 acrylic resin ; Acrylic acid resin
聚碳酸树酯 Polycarbonates PC ; PC ; PC Plastic
聚缩醛树酯 Polyacetal POM
环氧树酯 epoxy resin ; EP
聚甲醛树酯 polyoxymethylene resin
冷结树酯 GELLAN GUM
酚醛树酯 Phenol-formaldehyde resin PF
耐高温有机硅树酯 heat resistant silicone resin
磺酸型阳离子交换树酯 sulfonic acid ion exchange resin
三聚氰胺甲醛树酯 melamine formaldehyde resin
在脲醛树酯中加入其它高分子材料,降低其脆性和收缩性,提高其耐水性。
Macromolecule materials are added into urea formaldehyde resin to decrease its brittleness and contractility, and increase its water resistance.
对系统进行定期清洗,是杀菌剂、分散剂及其他树酯控制剂的有效补充。
Regular cleaning of the system is an effective supplement to germicide, dispersant and other resin control agent.
研究人员发现,对于普通人来说,两把树生坚果比一把更能降低血液中的胆固醇和甘油三酯。
Researchers found that, for the average person, about two servings of tree nuts did a better job of reducing blood cholesterol and triglycerides than one serving.
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