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- The testing methods for total nitrogen and the denitrogenation technologies such as acid refining,solvent refining were also reviewed. 综述了酸精制、溶剂精制等脱除石油产品中氮及各种总氮的测定方法。
- According to practical production, some related work of remaking sealing components of import suphuric acid refine device are introduced. 从生产实际出发，介绍了国外引进硫酸精制装置玻璃管路密封件国产化改造的相关工作.
- CLEAN PRODUCTION PROCESS FOR WHITE OIL SULFURIC ACID REFINING 白油硫酸精制的清洁生产工艺
- The transformation on sealing components of glass pipeline in import sulphuric acid refine device from abroad and sealing structures of the imported high pressure plunger pump is introduced. 介绍了引进硫酸精制装置中玻璃管路密封件以及高压柱塞泵密封结构的改造。
- 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。
- 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。
- The acid burnt a hole in the carpet. 酸把地毯烧了个洞。
- Carbolic acid can be used to make antiseptic. 石炭酸可用来做防腐剂。
- The acid eats into metals quickly. 酸腐蚀金属很快。
