查询词典 acetic acid

The use of benzazepin-N-acetic acid derivatives which contain an oxo group in the a position to the nitrogen atom and are substituted in the 3 position by a 1--cyclopentyl-carbonyl-amino radical, and of their salts and biolabile esters, for the prophylaxis and/or treatment of heart damage caused by cardiotoxic doses of medicaments or chemicals, in larger mammals and in particular humans.

本发明涉及苯并氮杂∴－N－乙酸衍生物及其盐和生物不稳定的酯的应用，其中苯并氮杂∴－N－乙酸衍生物在氮原子的α位置含有氧代基，且在3－位置上被1－－环戊基－羰基－氨基残基取代，用于预防和/或治疗大的哺乳动物和特别是人体的心脏损伤，其中心脏损伤是由心脏中毒剂量的药物或化学品引起的。

The synthesis of butyl acetate with acetic acid and butanol as reactants and ammonium ceric sulfate as catalyst was studied.

研究了以硫酸铈铵为催化剂，乙酸和正丁醇为原料合成乙酸正丁酯，通过试验确定了最佳合成条件，结果表明，在适宜条件下其酯化率可达 93.4 %。

In the presence of acetic acid and polyethylene glycol, anthracene reacted with ammonium ceric nitrate and sodium bromate to form anthraquinone.

在醋酸、聚乙二醇存在下，蒽与硝酸铈铵和溴酸钠反应生成蒽醌，聚乙二醇作为相转移催化剂可以提高反应的选择性。

Antimicrobial Peptides Raw Extraction of Differ Tissue from Young Chelydra Sserpentina This experiment was used methods of (NH_4)_2SO_4 extraction and improved acetic acid extraction on antimicrobial peptides crude sample from induced Chelydra serpentina's intestines,blood,liver,skin.

试验一、鳄龟不同部位抗菌物质的初提本实验采用硫酸铵提取法和改进的乙酸提取法两种不同的方法从诱导后的稚鳄龟肠道、血液、肝和皮肤组织内分离抗菌肽，研究鳄龟体内产生抗菌肽的能力及抗菌效果。

Methods: Coloclysis the rats with 10% acetic acid solution to create acute colonitis model, after 24 hours, inject 2.5% Evan blue saline solution into the tail veins of the rats. Then, by detecting the photo-absorption rate of the EB in the tissues of the different zones of forepaws to indirectly examine the changes of blood contents in the different areas.

给予大鼠10%乙酸溶液灌肠复制急性肠损伤模型，24 h后从尾静脉注射2.5% Evans blue生理盐水溶液，通过测量前爪不同区域内EB的吸光度值大小，间接了解左右前爪各区域血含量的变化情况。

Methods The rat's colonitis was induced by 8% acetic acid.Twenty hours later,the rats were given the medicine and the hair color and stool had been observing for two weeks.

8%的醋酸灌肠大鼠建立溃疡性结肠炎动物模型，24 h后给药，连续14天，观察大鼠毛色、粪便、体重变化情况。

Methods: The methods of the increase of blood capillary permeability of the abdominal in mice induced by injection of acetic acid and the swelling of the ear in mice caused by crotin were used for antiinflammatory experiments, aspirin and hydrocortison were respectively used as the positive control;...

小鼠随机分组，抗炎实验用醋酸诱发小鼠腹腔毛细血管通透性增高和用巴豆油诱发小鼠耳肿胀，阳性对照分别为阿斯匹林组和氢化可的松组；镇痛实验采用醋酸诱发小鼠腹痛和用热板诱发小鼠足痛，阳性对照为盐酸吗啡组。

Thermoelectric resources to accelerate its comprehensive development and utilization of sea Huangqiao thermoelectric Limited and Taixing Huang Cement Manufacturing Co., Ltd. will carry out extensive market research on the basis on September 9, 2005 by the China Overseas Group Limited approved consent, launched acetic acid with an annual output of 30,000 tons, 25,000 and 10,000 tons of acetaldehyde crotonaldehyde aldehyde chemical projects.

为加快自身热电资源的综合开发利用，中海黄桥热电有限公司和泰兴市黄能水泥制造有限公司在广泛开展市场调研的基础上，于2005年9月9日经中国海外集团有限公司批准同意，上马年产3万吨醋酸、2.5万乙醛和1万吨巴豆醛的化工项目。

Distillation device was slightly improved,analyzed by carbon dioxide and determined by water for the analysis of acetic acid from cuprammonia ,with recovery of 97%.

用蒸馏法测定醋酸铜氨液中醋酸的分析方法，操作简单，终点明显，但是在测定过程中二氧化碳对测定结果有很大影响。

Sodium diacetate,which is the molecular composite of sodium acetate and acetic acid,is a new type of multifunctional addition agent in foods and forages.

双乙酸钠是乙酸钠与乙酸分子的复合物，是一种新型的多功能食品及饲料添加剂。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。