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- resorcylic acid lactones 二羥基苯甲酸內酯
- resorcylic acid lactone 二羥基苯甲酸內脂
- Hydroxycyclohexaneacetic acid lactone,a new prefume,has been synth esized from cyclohexanone via enamine reaction,NaBH4 reduction and lacyonization . 本文以環(huán)己酮為原料通過(guò)烯胺反應、還原反應以及內酯化反應合成了新型香料2-羥基環(huán)己烷乙酸內酯。
- 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。
- resorcylic acid 二羥基苯酸
- 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。
- trihydroxy-stero-cholanic acid lactone 三羥基甾膽烷酸內酯
- Carbolic acid can be used to make antiseptic. 石炭酸可用來(lái)做防腐劑。
