查询词典 glacial acetic acid

Its main synthesis method is nitration of guaiacol by fuming nitric acid and glacial acetic acid as nitration agent.

它的合成目前主要采用愈创木酚硝化法，以发烟硝酸和冰醋酸混酸做硝化剂。

Products: 3 - benzoyl-ethyl acrylate (97% min), acyl phosphorus acid methyl ester (98% min), P acyl three ethyl acetate (98% min), a phosphorus acid acyl The ethyl esters (98% min), 3 - bromine -1,3,4,5 - tetrahydrocannabinol -2 H-1-benzo-Aza Zhuo -2, 1 - naphthalene-tetrahydrocannabinol (98% min), 3,5 - dimethyl benzoyl chloride (99% min), 3,5 - dichloro benzoyl chloride (97% min), the ethyl benzoyl chloride (99% min), a TCA Ester (99.5% min), o-benzoyl methyl benzene (99% min), 4 - phenyl benzophenone (99% min): glacial acetic acid (99% min), methanol (99% min), liquid chlorine (99.5% min), caustic soda (30% min), isopropyl alcohol (99% min), anthranilic acid (99% min), dichloroethane (99% min ), Chunben (99% min), toluene 99% min

3-苯甲酰基丙烯酸乙酯（97%min）、磷酰基乙酸三甲酯（98%min）、磷酰基乙酸三乙酯（98%min）、磷酰基乙酸甲酯二乙酯（98%min）、3-溴-1，3，4，5-四氢-2H-1-苯并氮杂卓-2酮、1-四氢萘酮（98%min）、3，5-二甲基苯甲酰氯（99%min）、3，5-二氯苯甲酰氯（97%min）、对乙基苯甲酰氯（99%min）、氯乙酸甲酯（99.5%min）、邻苯甲酰基苯甲酸甲酯（99%min）、4-苯基二苯甲酮

Using p-toluensulphonic acid supported by activated carbon as catalyst,glycerol triacetate was synthesized from glacial acetic acid and glycerin.

三醋酸甘油酯，学名三乙酸丙三醇酯，无毒、无刺激性，是一种良好的溶剂和增塑剂，广泛用于医药、食品、香料和印染工业[1]。

Results Qidan Granules could relieve the pain caused by glacial acetic acid and heat stimuli; significantly inhibit the oxytocin-induced dysmenorrheal in mice; It also showed obvious inhibitory effects on the increased capillary permeability induced by glacial acetic acid, carrageen-induced toe edema in rats and dimethylbenzene-induced ear swelling in mice, and cotton pellet-induced granuloma formation in rats. It could also significantly inhibit oxytocin-induced dysmenorrhea in mice.

结果 奇丹颗粒能明显抑制乙酸和热刺激所致的小鼠疼痛反应；对缩宫素所致实验性痛经小鼠具有良好的镇痛作用，对乙酸所致小鼠腹腔毛细血管通透性增高以及大鼠角叉菜胶足趾肿胀、二甲苯所致小鼠耳廓肿胀、大鼠棉球肉芽肿等急慢性炎症模型均有明显抑制作用。

Rats in the experimental group received conventional fixation, and then decalcified with modified decalcifying fluid [10 mL of methanoic acid, 8 mL of concentrated hydrochloric acid (1.19 relative density, 3 g of aluminum chloride, 20 mL of formaldehyde (0.4 volume fraction), 3 mL of glacial acetic acid, adding to 200 mL with saline solution], dehydrated, transparentized with chloroform, and then embedded for a long time, dyed, mounted and made into tissue sections.

实验组经过常规固定，而后应用改良脱钙液（甲酸10 mL、浓盐酸(相对密度1.19)8 mL、氯化铝3 g、体积分数为0.4的甲醛20 mL、冰乙酸3 mL，加生理盐水至总体积200 mL）脱钙、脱水、氯仿透明、包埋时间延长、染色、封固和切片；对照组进行常规固定、脱钙、脱水、透明、包埋、染色、封固和切片。

Five chalcones were synthesized via the aldol condensation reaction of acetophenone or parasubstituted acetophenones with 1-phenyl-3-methyl-5-phenoxyl-pyrazol-4-aldehyde, which reacted with two kinds of hydrazine in glacial acetic acid under refluxing to give a series of bipyrazoline derivatives. In this synthetic course, glacial acetic acid is not only a solvent, but also a catalyzer.

以1-苯基－3-甲基－5-苯氧基－吡唑-4-甲醛为原料，与苯乙酮发生羟醛缩合，生成相应的查尔酮，再在冰醋酸中与不同的肼反应，高产率的合成出10种新的5位含1-苯基－3-甲基－5-苯氧基－吡唑基的吡唑啉类衍生物。

The invention relates to a fabric nanometer following cleaning agent for obtaining TiO2/ZnO composite hydrosol, and relative production and cleaning method, wherein it uses butyl titanate and zinc acetate as predecessor, uses glacial acetic acid as catalyst and peptizer, uses water as solvent, uses absolute ethyl alcohol as the solvent of butyl titanate, and uses ethanolamine as deposit agent and supplies OH-, to be hydrolysed and polycondensated to form TiO2/ZnO composite hydrosol. And its components and mass percents are: butyl titanate at 1-15%; zinc diethyl at 1-12%; absolute ethyl alcohol at 1-20%; glacial acetic acid at 5-15%; and aminoethyl alcohol at 0.1-5%, and the left is water. The invention has lower cost and simple process.

本发明涉及一种可以得到TiO 2 /ZnO复合水溶胶的纺织品纳米后整理试剂及其制备工艺及对织物的整理方法，以钛酸丁酯和乙酸锌为前驱物，冰乙酸为催化剂和胶溶剂，水为溶剂，无水乙醇为钛酸丁酯的溶剂，乙醇胺为沉淀剂并提供OH -，经过水解、缩聚反应形成的TiO 2 /ZnO纳米溶胶整理剂，其组分和重量百分比含量如下：钛酸丁酯占1～15％；二水乙酸锌占1～12％；无水乙醇占1％～20％；冰乙酸占5％～15％；乙醇胺占0.1％～5％；水余量，具有耐洗性、无毒、无刺激、成本低廉、制作工艺简单可靠的优点，可实现对对织物的抗紫外、抗菌、抗静电功能整理。

Objective To establish HPLC-UV method for determination of glycyrrhizin acid in compound nasal spray of glycyrrhizin and flower flos magnoliae,the chief active ingredient of formulation,glycyrrhizin acid,and to observethe therapeutic effect of this formulation on guinea pig's hypersensitive rhinitis.Methods A compound nasal spray formulation was prepared using extracts of glycyrrhizin and measured by HPLC-UV method.Mobile phase conˉsisted of methanol,0.2mol/L ammonium acetate and glacial acetic acid（67:33:1,v/v）,analytical column was Zorbax ODS C 18 and wavelength250nm.

目的 建立测定复方甘草和辛夷喷雾剂含量的方法并观察该制剂对豚鼠超敏性鼻炎的疗效方法以甘草提取的甘草甜素和辛夷花蒸馏提取液主药制备成鼻用喷雾剂，用反相高效液相色谱法测定制剂中甘草酸含量，检测波长为250nm，Zorbax ODS C 18 分析柱，流动相为甲醇：0.2mol/L醋酸铵：冰醋酸（67：33：1）。

This year the company operating the various organic chemical raw materials, varieties are: methanol, ethanol, ethylene glycol, butanol, isobutanol, isopropanol, glacial acetic acid, vinyl acetate, B lipid, Ding acetic acid lipid, styrene, toluene, phthalic anhydride, xylene, acetone, butanone, cyclohexanone, DMF, sulphuric acid, methyl isobutyl ketone, glycol Dingmi, three toluene, 2 Xin fat, melamine.

本公司常年经营各种有机化工原料，品种有：甲醇、乙醇、乙二醇、正丁醇、异丁醇、异丙醇、冰醋酸、醋酸乙烯、醋酸乙脂、醋酸丁脂、苯乙烯、甲苯、苯酐、二甲苯、丙酮、丁酮、环己酮、DMF、硫酸、甲基异丁基酮、乙二醇丁醚、三甲苯、二辛脂、三聚氰胺。

Compared to the samples without using glacial acetic acid, the powders using glacial acetic acid showed big crystallite size and good crystallization.

与未加冰乙酸制备的样品相比，使用冰乙酸制得的粉体晶粒尺寸大，结晶性能好。

It goes back to what I told you...

现在回到我告诉过你的。。。

With a supporter in Mr Charest and an admirer in Mr Dumont, Mr Harper may be encouraged to call an election himself.

由于在沙雷那边有个支持者，杜蒙那边有个崇拜者，鼓励哈珀为自己举行一次选举。