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- coumar ic acid 香豆酸, 羟苯基丙烯酸辣
- Isobutyl acetate was synthesized by the esterification of acet ic acid with isobutyl alcohol using chitosan sulface as catalyst. 以壳聚糖硫酸盐为催化剂,由冰醋酸和异丁醇合成乙酸异丁酯。
- The perniciousness of bacteriophage contamination to 2-keto -D -glucon ic acid fermentation by Pseudomonas fluorescens K1005was studied in the laboratory. 在实验室条件下,考察了噬菌体污染对荧光假单胞菌K1005的2-酮基-D-葡萄糖酸发酵的危害。
- Cement mortar was modified with soap- free emulsion VAC(vinylac et ic acid)/DMC(methacyloy loxyethyl trimethylammohium chloride)/VHE(vinyl- 4- hy drobutyl- ether)copolymerization. The effect of VAC/DMC/VHE on the strength of cement mortar was studied. 研究了无皂乳液醋酸乙烯酯(VAC)/甲基丙烯酰氧乙基三甲基氯化铵(DMC)/乙烯基羟丁基醚与水泥共混所形成的水泥基复合材料的性能。
- The functional food factors of regulating lipid metabolism were su mmerized,including soya proteins,chitosan,phytosterol,sesamin,conjugated linol e ic acids,structured lipids etc. 综述了几种调节脂质代谢的功能食品因子，包括大豆蛋白质、壳聚糖、植物甾醇、芝麻素、共轭亚油酸、结构脂质等。
- Keywords cornea;corneal stroma;polyglycol ic acid;biocompatible materials; 关键词角膜;角膜基质;聚羟基乙酸;生物相容性材料;
- Keywords retino ic acid;basic fibroblast growth factor;neural stem cells; 视黄酸;碱性成纤维细胞生长因子;神经干细胞;
- 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。
- Now IC card telephones have come into use. 现在IC卡电话已投入使用。
- 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。
