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- heptane dioic acid 庚(烷)二酸
- Through the peculiarity contact-coat,composes the ethoxy methylene propane dioic acid dio-ethylest which improves the quality and yield of the product. 根据缩合原理，研究并提出了“克兰逊”催化缩合法，通过特性触煤合成了乙氧基甲叉基丙二酸二乙酯产品，提高了产品质量及回收率。
- Keywords whitening;skin;melanin;octadecene dioic acid; 美白剂;皮肤;黑色素;十八烯二酸;
- Keywords epoxidation reaction;butene dioic acid;heteropolyacid;catalyst; 环氧化反应;丁烯二酸;杂多酸;催化剂;
- Keywords whitening agent;octadecene dioic acid;efficiency optimisation; 美白剂;十八烷基烯二酸;功效优化;
- Keywords ethoxy methylene propane dioic acid dio-ethylest;methyl acid triethylest propane dioic acid dio-ethyl-est;catalyst;condensation; 乙氧基甲叉基丙二酸二乙酯;甲酸三乙酯丙二酸二乙酯;催化剂;缩合;
- 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。
