查询词典 acetic acid

Aureomycin on reduction with zinc-acetic acid gives desdimethylaminoaureomycin under mild conditions and desdimethylaminodesoxyaureomycin under more drastic conditions.

金霉素在冰醋酸与甲醇溶液中，用锌粉氢解，在温和条件下，产生脱二甲胺金霉素；较剧烈条件下，则生成脱二甲胺脱羟金霉素。

Monosaccharides from polysaccharides in boletus edulis bull are hydrolyzed in aqueos trifuoro-acetic acid.

用糖氰乙酸酯衍生物气相色谱法测定了美味牛肝菌多糖中单糖的组成，为美味牛肝菌的结构和功能的研究提供更有用的信息。

MethodsAcute gastric ulcer mouse models induced by water immersion stress and chronic gastric ulcer rat model induced by acetic acid were used to observe the anti-gastric ulcer action of Boltonia indica.

结果路边菊高剂量组小鼠应激性胃溃疡指数显著低于对照组(P.05)；路边菊高剂量组与低剂量组大鼠乙酸致慢性胃溃疡溃疡指数显著低于对照组(P.05)。

Further refining of acetic acid at a low concentration range wouled bring a bout a great increase in theoretical stages for distillation.

在较低乙酸浓度范围内，进一步精制乙酸，采用精馏方法所需理论级数大大增加。

The main contents are:(1) The polarized laser Raman spectra of acetone, methyl alcohol, alcohol, ethylene glycol, formamide, acetonitrile, acetic acid, Chloroform, Methylene chloride, and Bromoform are measured in the experiment.(2) The depolarization ratio of Raman shift in the measured spectrum are

主要的结果有：得到了丙酮分子9条喇曼谱线、甲醇分子5条喇曼谱线、乙醇分子9条喇曼谱线、乙二醇分子7条喇曼谱线、甲酰胺分子8条喇曼谱线、乙腈分子8条喇曼谱线、乙酸分子8条喇曼谱线

The analgesic effect of brucine was studied by Usage of ache model caused by acetic acid in mice.

采用醋酸扭体法，分3次给药，每次间隔10min，末次给药30min后腹腔注射0.6%的醋酸，观察小鼠25min内的扭体数。

The esterification of acetic acid with n -butanol was used for measuring the activation of catalysts.

制备 Fe2 O3 / SO4 2 -固体超强酸催化剂，通常使用的方法是沉淀-硫酸酸化法[1～ 3 ] 。

Cyclophos phamide confecting dilution solvent to make full use of solvent-methylbenzenesulfonic class, aminomethylbenzoic: acetic acid: butanone = 2: 5: 3 of the mixed solvent

配制不浓缩溶剂时只管即便多用甲苯类溶剂，可以采取甲苯：乙酸：丁酮=2：5：3的纯合溶剂

Under different conditions, acetic acid conversion and the yield of butyl acetate were close or reached to 100% in a short operating time.

在不同反应条件下，较短的反应时间内，乙酸的转化率、乙酸正丁酯的产率都能接近或达到100%。

China,calcium carbide, acetic acid,vinyl acetate,pentaerythrite,polyvinyl butyral resin,polyvinyl butyral film,"AVS"paint for interior and exterior walls,cement,carbonized bricks etc,over 40 chemicals and building materials.

主要有聚乙烯醇系列产品、聚乙酸乙烯酯乳液系列产品、电石、冰醋酸、醋酸乙烯、季戊四醇、聚乙烯醇缩丁醛树脂、聚乙烯醇缩丁醛胶片、AVS内外墙涂料、水泥、碳化砖等40多种化工产品和建材产品。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。