查询词典 solvent

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。

The main results are as follows: 1.Through the solvent contrast test and the single-factor tests ensure that the best extraction solvent and the relevant factors effect on extraction rate.Orthogonal tests are use to assure the optimal method of extracting phenol compounds from Pistacia vera L .

主要结果如下： 1、通过溶剂对比试验及单因素试验确定了从阿月浑子叶片中提取总酚的最佳提取溶剂及影响浸提率的相关因素，并通过正交实验优化了最佳提取工艺条件：利用80%的丙酮水，按1：50的料液比，在60℃下连续浸提两次，每次60min。

Polyvinylidene fluoride was used to prepare solvent base fluorocarbon coating, and the solvent constitution of PVDF coating was screened and optimized.

摘要用聚偏氟乙烯树脂制备了溶剂型氟破涂料，筛选并优化了PVDF涂料的溶剂组成。

The activity of the reaction performed in protonic solvent was higher than that of non-protonic solvent.

发现在质子型溶剂中的反应活性要优于在非质子型溶剂中的活性。

The resin is prepared by swelling chlorine balls in a solvent such as nitrobenzene; adding catalyst to obtain polystyrene-divinylbenzene adsorptive resin; removing reaction mother solution; washing to remove residual solvent and catalyst; swelling; adding pyrane reagent to further react with chloromethyl residual on inner and outer surfaces of the resin to obtain the pyranyl modified adsorptive resin with the composite function.

该树脂的制备方法：将氯球溶胀于硝基苯等溶剂中，加入催化剂，得到聚苯乙烯-二乙烯苯吸附树脂；抽尽反应母液，洗去残留的溶剂和催化剂；溶胀，加入吡喃试剂与树脂内外表面残留氯甲基进一步反应，可制得吡喃基修饰复合功能吸附树脂。

With hydroxy safflor yellow A as the standard, the conditions of extracting yellow pigment were discussed, including extraction solvent, extraction temperature, extraction time and the volume of extraction solvent.

方法］以羟基红花黄色素A为对照品，对萃取红花黄色素影响因素，包括提取剂，提取温度、提取时间、提取溶剂体积等进行单因素的考察。

Squeege solvent, and aim at gender plate in use to contact various types of inks and solvent, such as ethanol, gasoline and so on.

刮不活的耐溶剂性别不活在搁置洋给隔绝百般油墨及溶剂，例如：乙醇，汽油等。

General styryl products use of alcohol and petroleum solvent kind of weak solvent-cracking occurs, some substrate materials because of their factors will also cause cracking phenomenon.

凡是苯乙烯成品搁置酒精和火油解溶剂类弱溶剂也会爆发龟裂，一些承印物质料由于本身成分也会导致龟裂的本体爆发。

Supercritical carbon dioxide extraction of lutein ester from marigold(Tagetes erect L.)with continuous co-solvent ;2. This paper reviews comprehensively the machinary and methods of co-solvent added in the supercritical CO2 for extraction of natural products.

综述了夹带剂在超临界CO2萃取天然产物中的作用机理、使用方法、夹带剂的种类，以及夹带剂在提取生物碱、酚酸、皂苷、黄酮、脂肪酸等天然产物中的应用。

Parameters for extraction of polyphenols from pu"er teaThe influence of temperature, heating time, ratio of tea to solvent, con centration and pH value of solvent on extraction rate of pu"er tea polyphenols were studied.

1普洱茶多酚浸提条件的优化以普洱茶为原料，研究浸提温度、浸提时间、料液比、溶剂浓度对普洱茶多酚提取率的影响。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷