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- The testing methods for total nitrogen and the denitrogenation technologies such as acid refining,solvent refining were also reviewed. 綜述了酸精制、溶劑精制等脫除石油產(chǎn)品中氮及各種總氮的測定方法。
- According to practical production, some related work of remaking sealing components of import suphuric acid refine device are introduced. 從生產(chǎn)實(shí)際出發(fā)，介紹了國外引進(jìn)硫酸精制裝置玻璃管路密封件國產(chǎn)化改造的相關(guān)工作.
- CLEAN PRODUCTION PROCESS FOR WHITE OIL SULFURIC ACID REFINING 白油硫酸精制的清潔生產(chǎn)工藝
- 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. 介紹了引進(jìn)硫酸精制裝置中玻璃管路密封件以及高壓柱塞泵密封結構的改造。
- He gave me a taste of his acid wit. 他讓我嘗到了他敏銳尖刻之機智的滋味。
- Acid irritates the stomach lining. 酸能刺激胃黏膜。
- Acid had pitted the surface of the silver. 酸把銀器的表面腐蝕了。
- I am doing an experiment of neutralizing acid. 我在做一個(gè)中和酸的實(shí)驗。
- Can Jones beat Smith? That's the acid test. 瓊斯能擊敗史密斯嗎？那是個(gè)嚴峻的考驗。
- A salt or an ester of boric acid. 硼酸鹽一種硼酸鹽或硼酸酯
- She dropped acid in high school. 她高中時(shí)代服迷幻藥。
- The metal is fretted with the acid. 金屬被酸腐蝕。
- The chemical can behave as an acid. 這種化學(xué)制品能起酸的作用。
- The acid has eaten through the metal cover. 酸已把金屬蓋子蝕穿了。
- The worker's overalls were badly burned by acid. 這位工人的工作裝被酸腐蝕得很厲害。
- An acid can react with a base to form a salt. 酸可以和堿起反應而生成鹽。
- This substance must be treated with acid. 這材料得用酸來(lái)處理。
- The acid burnt a hole in the carpet. 酸把地毯燒了個(gè)洞。
- Carbolic acid can be used to make antiseptic. 石炭酸可用來(lái)做防腐劑。
- The acid eats into metals quickly. 酸腐蝕金屬很快。
