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- Tow step process was involved in the preparation of the copolyester:acetylsis of p acetoxybenzoic acid and synthesis of copolyester(PET/PHB). 反应分两步进行:对羧基苯甲酸(PHB)乙酰化和PET/PHB共聚酯的制备。
- A series of polyester based liquid crystalline ionomers(LCI) with various sulfonate group content were prepared from p acetoxybenzoic acid and sulfonated PET ionomers through melt copolycondensation. 对乙酰氧基苯甲酸与含磺酸基PET离聚物通过熔融共缩聚反应,获得一系列不同离子含量的液晶离聚物。
- 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 mind my p's and q's whenever I see him. 每当我见到他我都谨慎行事。
- In English, b, p, m and w are bilabials. 英语中的b、p、m、w为双唇音。
- 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。
- AB and CD intersect at (the point) P. AB线和CD线在P点相交。
- acetoxybenzoic acid 邻乙酰氧基苯甲酸
- The time now is 10:00 p, m, sharp. 现在的时间是晚上10点整。
- 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。
- 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。
- 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。