Soluble in water and insoluble in ethanol, acetone or glacial acetic acid.
在水中易溶,在乙醇、丙酮或冰醋酸中不溶。
Glacial acetic acid is a dehydrating agent and an irritant and is corrosive.
冰醋酸是个脱水代理及刺激物和腐蚀。
At low temperature, acetic acid is condensed and becomes glacial acetic acid.
在低温时,无水醋酸凝固成冰状,俗称冰醋酸。
Method: The rat gastric ulcer model was made by glacial acetic acid corrosion.
方法:采用冰醋酸腐蚀法造大鼠胃溃疡模型。
MethodsThe model rats with gastric ulcer were prepared by glacial acetic acid.
方法采用冰醋酸烧灼法制备大鼠胃溃疡模型。
It is soluble in acetone, glacial acetic acid, glycerin and inorganic strong acid, not soluble in ethanol.
溶于冰醋酸、甘油和无机强酸,不溶于乙醇。
The technology of one step synthesis of terpinyl acetate from turpentine and glacial acetic acid is described.
论述了松节油与冰乙酸一步法合成乙酸松油酯工艺。
The results show that the potassium bichromate plus nitric acid or glacial acetic acid has the best anti-corrosion effect.
采用硫化铵溶液进行防腐试验。结果表明, 重铬酸钾加硝酸或冰醋酸的处理方法有很好的抗腐蚀效果。
Introduces the process design, equipment arrangement, selection of materials and design measures for glacial acetic acid tank farm.
介绍冰醋酸罐区的工艺设计、设备布置、材料的选用及设计中采取的措施。
Cases in treatment group were smeared glacial acetic acid around their perianal condyloma first, than treated by CO2 laser for 8 weeks.
方法:所有病例随机分两组,实验组先用冰醋酸外涂肛周,随后行CO2激光治疗,疗程为8周,对照组仅给CO2激光治疗。
The effect of molar ratio of ethylene glycol monomethyl ether and glacial acetic acid and catalyst dosage on esterification are discussed.
考察了乙二醇单甲醚和冰乙酸摩尔比及催化剂用量对酯化率的影响。
In synthesizing process, the optimum quanta of hydrogen peroxide solution and glacial acetic acid which affect epoxide number were determined.
对合成过程中影响环氧值的两个重要条件:即双氧水和冰醋酸的用量做了大量实验,确定了最佳条件。
The catalytic activity of the resin acid, which was used as catalyst of esterification, was evaluated by esterification between glacial acetic acid and ethanol.
通过催化冰醋酸与乙醇的酯化反应来考察该树脂酸的催化活性。
This method involves using the glacial acetic acid as a catalyst, adding the litharge in aqueous medium and adding a quantity of oil of vitriol to yield lead sulfate.
该法来用了冰乙酸作催化剂,在水介质中加入氧化铅,再滴加一定量的浓硫酸来合成硫酸铅。
Oxidizing agent was prepared by means of anhydrous manganous acetate dissolved in glacial acetic acid and oxidized to divalent manganic salt by potassium permanganate.
氧化剂的制造是将二价无水醋酸锰溶于冰醋酸中,用高锰酸钾将其氧化成三价醋酸锰。
The hydrated ferric sulfate was used as a catalyst for esterification of alcohol with glacial acetic acid and discussed the best condition in reaction of esterification.
报道了以硫酸铁水合物作催化剂合成乙酸酯的研究结果,并讨论了该酯化反应的最佳条件。
Based on the comparison of coal desulfurization effects of several kinds of oxidants, the mixed oxidant of glacial acetic acid and hydrogen peroxide was selected as the best.
在用多种氧化剂对煤炭脱硫效果进行比较研究的基础上,筛选出脱硫效果最好的冰醋酸与过氧化氢混合物氧化剂。
METHODS: Potentiometric titration was adopted to determine the content of terbinafine hydrochloride using glacial acetic acid as solvent, acetic anhydride instead of mercury acetate.
方法:采用电位滴定法,以冰醋酸为溶剂,用适量醋酐代替现行标准中使用的醋酸汞,建立了测定盐酸特比萘芬原料药含量的方法;
Aromatic dinitriles were prepared with excellent yields by refluxing the corresponding aromatic dialdehydes with hydroxylamine hydrochloride in 85% formic acid or glacial acetic acid.
芳香族二醛与羟胺盐酸盐在85%甲酸或冰醋酸中回流可制备相应的芳香族二腈。方法简便,产率高。
The identification of Radix scutellariae was silica gel G plate, n-butanol-glacial acetic acid-water(7:1:2) as the development reagent, chloride ferric(1%) as color developing reagent.
后者黄芩的鉴别:硅胶G薄层板,正丁醇-冰乙酸-水(7:1:2)为展开剂,1%三氯化铁乙醇溶液为显色剂;
Conclusion The treatment CT-guided percutaneous lumbar puncture needle inject 45% glacial acetic acid made cure one or more of renal cyst is of a simple and safe and efficient operation.
结论CT引导经皮腰穿针穿刺注入45%冰醋酸治疗单发或多发肾囊肿,是一种操作简便且安全高效的治疗方法。
The experiment used glacial acetic acid of mice 'body twisting as model and observed the related signs of laboratory to the influence of pain. The data were analysed with statistics. Results1.
实验研究以小鼠醋酸扭体实验为疼痛模型,观察相关实验室指标对疼痛的影响,并进行相关统计学比较。
The effect of YGLDG on relieving pain was tested by counting body twisting induced by glacial acetic acid and measuring the latent period of licking hind foot with the hot plate method in mice.
结果:养肝利胆颗粒能明显抑制小鼠耳肿胀度和大鼠足跖肿胀,可对抗醋酸致小鼠扭体反应,提高小鼠对热的痛阈值,可缓解乙酰胆碱致离体胆囊痉挛作用。
The animal experiment of analgesic mechanisms about Hua-jian-ba-du membrane have showed: Hua-jian-ba-du membrane had significant analgesic effect in mice twisting reaction of glacial acetic acid.
化坚拔毒膜镇痛机理的动物实验研究表明:小白鼠醋酸扭体法显示出了外用化坚拔毒膜良好的镇痛效果。
Method:Conducted baicalin assaying in this drug by HPLC. Chromatogram condition:Selecting octadecyl Chemically bonded phase silica gel, Methanol:water; glacial acetic acid (40:60:1)as mobile phase.
方法:采用高效液相色谱法对该药中的黄苓苷含量测定,色谱条件:选用十八烷基硅烷键合硅胶,以甲醇:水:冰醋酸(40:60:1)。
The effects of molar ratio of anhydrous ethanol to glacial acetic acid , dosage of catalyst, reaction temperature and reaction time on the esterification ratio and reuse of catalyst were discussed.
探讨了酸醇物质的量的比,催化剂的用量,反应时间和反应温度对酯化率的影响及催化剂的重复使用情况。
The effects of molar ratio of anhydrous ethanol to glacial acetic acid , dosage of catalyst, reaction temperature and reaction time on the esterification ratio and reuse of catalyst were discussed.
探讨了酸醇物质的量的比,催化剂的用量,反应时间和反应温度对酯化率的影响及催化剂的重复使用情况。
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