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- The polyamide acid (PAA) is in situ synthesized by chemical synthesis theory, and the polyimide composite is prepared by TEOS modification. 摘要依据化学合成原理，采用原位一体工艺，合成聚酰胺酸(PAA)，通过正硅酸乙酯的改性，制成聚酰亚胺复合材料；
- Keywords Polyamide Acid;Film;Stretching;Polyimide; 聚酰胺酸;薄膜;拉伸;聚酰亚胺;
- Keywords polyamide acid;polyimide;film;stretch;cast;monoaxial;biaxial; 聚酰亚胺;聚酰胺酸;薄膜;流涎;单轴拉伸;双轴拉伸;
- Keywords polyimide fiber;polyamide acid;imidization;morphology;preparation; 聚酰亚胺纤维;聚酰胺酸;酰亚胺化;形态结构;制备;
- Keywords polyimide fiber;polyamide acid;thermal imidization;mechanical properties; 聚酰亚胺纤维;聚酰胺酸;热酰亚胺化;力学性能;
- He gave me a taste of his acid wit. 他让我尝到了他敏锐尖刻之机智的滋味。
- Acid irritates the stomach lining. 酸能刺激胃黏膜。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- I am doing an experiment of neutralizing acid. 我在做一个中和酸的实验。
- Can Jones beat Smith? That's the acid test. 琼斯能击败史密斯吗？那是个严峻的考验。
- A salt or an ester of boric acid. 硼酸盐一种硼酸盐或硼酸酯
- She dropped acid in high school. 她高中时代服迷幻药。
- The metal is fretted with the acid. 金属被酸腐蚀。
- The chemical can behave as an acid. 这种化学制品能起酸的作用。
- The acid has eaten through the metal cover. 酸已把金属盖子蚀穿了。
- A Mature Polyamide Resin Producer and Exporter. 成熟的聚酰胺树脂生产商和出口商。
- The worker's overalls were badly burned by acid. 这位工人的工作装被酸腐蚀得很厉害。
- Fibre ropes for general service. Polyamide. 通用纤维索。聚酰胺。
- An acid can react with a base to form a salt. 酸可以和碱起反应而生成盐。
- This substance must be treated with acid. 这材料得用酸来处理。
