查询词典 distilled

During preparation, mercapto ethanol isooctanoate, alkyl or ester tin chloride and organic solvent are first heated and refluxed while adding catalyst; organic layer is then obtained through separating liquid and decompression distilled; and through further steps, the compound is obtained. The synthesis process of the present invention is simple, and has conversion rate higher than 95 %, normal pressure and low reaction temperature, low power consumption and less pollution, and the prepared compound has high reaction activity and low toxicity.

制备时，将异辛酸巯基乙醇酯、烷基或酯基氯化锡和有机溶剂加热回流，同时加入催化剂，然后通过分液，保留有机层，再对有机层进行减压蒸等步骤制得所述化合物；本发明合成工艺简单，转化率大于95％，反应在常压条件下，反应温度低，从而降低了能耗，减少了污染，所制备的化合物具有反应活性高和毒性小的特点，使用安全。

This is one kind by the neutral distilled water the bamboo coal factor which for the carrier, auxiliary purifies and essential becomes the membrane assistant, to seal the solid anti-alkali member contour molecular compound naturally to undergo a series of complex craft purification to become, this green environmental protection, can form compact protective film fast on the wall surface, has the stable wall surface, waterproof, the anti-alkali function, can prevent the wallpaper mildewy deterioration effectively, the enhancement wallpaper and the wall coheres the strength, is advantageous in the wallpaper construction, the extension wallpaper service life.

本品是一种以中性蒸馏水为载体、辅以精制的竹炭因子和必要的天然成膜助剂、封固抗碱分子等高分子化合物经过一系列复杂的工艺精制而成，本品绿色环保，能快速在墙面上形成一层致密的保护膜，具有稳定墙面，防水、抗碱的作用，能有效防止壁纸发霉变质，增强壁纸与墙体黏结力，有利于壁纸施工，延长壁纸的使用年限。

Purpose. The major complication of traditional monopolar TURP is water intoxication due to absorption of distilled water during extended resection.

目的 传统单极电刀在从事经尿道摄护腺刮除手术的最大并发症是水中毒，低血钠等经尿道刮除手术症候群。

In the experiments, some facters such as the proportion of tetraethyl orthosilicate to coupling agents and distilled water to tetraethyl orthosilicate,the concentration of ammonia,reaction time and reaction temperature were controlled.

研究了正硅酸乙酯与偶联剂的比例、水硅比、氨水用量、反应温度与反应时间等因素对包覆效果的影响，其中重点讨论了偶联剂的添加方式对成膜效果的影响。

The synthesis method of the invention is as follows: first, 5-amino-2-(p-aminophenyl)- benzoxazole and aliphatic diacid are respectively recrystallized; NMP is distilled; solubilizer is dried; second, in an atmosphere of nitrogen, after Py and NMP are mixed evenly and added to a sealed reactor, the solubilizer is added into the reactor, followed by the 5-amino-2-(p-aminophenyl)- benzoxazole, then the mixture in the reactor is stirred; second, in an atmosphere of nitrogen, the mixture in the second step is stirred and heated to 50-150 DEG C, then the aliphatic diacid is added, followed by TPP for condensation; fourth, after methanol is poured into the reactor, the sediment is separated out from the mixture, filtered, washed and dried, so the semi-aromatic polyamide containing oxazole ring is obtained.

本发明的合成方法如下：一、分别重结晶5-氨基-2-苯并唑与脂肪族二酸；蒸馏NMP；干燥增溶剂；二、在氮气气氛下，Py与NMP混匀后加入密封的反应器中，再加入增溶剂，然后加入5-氨基-2-苯并唑，搅拌；三、在氮气气氛下，将步骤二的混合液搅拌并升温至50℃～150℃后加入脂肪族二酸，再加入TPP后缩聚；四、再倾入甲醇析出沉淀，过滤，清洗沉淀，再干燥；即得到含唑环半芳香聚酰胺。

The test solution is prepared by dissolving 4 g of copper sulfate pentahydrate in 250ml of distilled water to which 1ml of sulfuric acid has been added.

将4g五水硫酸铜（CuSO4 5 H 2O）溶于已经加入了1ml 硫酸的250ml 的蒸馏水里。

Al (OC3H7)3 was added to an excess of distilled water (Al : H2O = 1:60-100 ) under vigorous stirring. Nitric acid [HNO3] was then added to peptize the hydroxide precipitate (Al: HNO3 = 1: 0.16). The reaction vessel was then closed and maintained for 48h at 90° C to get clear boehmite sol.

水解和缩聚反应的最终产物为非晶态的一水氢氧化铝，由许多 AlOOH 相互聚合交联形成的胶核处于中心位置，其外层是紧密吸附的同种离子 Al2O22+，它们共同构成了胶粒。

Slaking pretreatment: distilled water and potassium persulphate solution are added and placed into a slaking hole of a COD slaking instrument, and simultaneously blank solution is taken and processed together with a sample to be detected with the same method; C.

消解预处理：加入蒸馏水和过硫酸钾溶液，置于COD消解仪的消解孔中；同时另取空白溶液，与待测样品同时以同样方法处理；C。

A little of the diaylsed solution was dilluted with distilled water (1:4) and applied to metallic sample plate following negative staining with sodium phosphotungstate solution. The sample was freeze-dried and examined by transmission electron microscopy 1.4 IFvs size and size distribution measured 1.5 The shape morphology of IFvs 1.6 Measureing the encapsulation efficiency and loading capacity of Liposomal Gd-DTPA A sample volume of 5ml was sent to analyze (Zhongshan University Analytical Center, Guangzhou).

1.6 Gd-DTPA脂质体包封率及载药量的测定取5ml前述离心后所得上清液送交中山大学分析测试中心，采用高频电感耦合等离子发射光谱法测定离心液中Gd-DTPA含量，用加入总的Gd-DTPA量减去离心液中的Gd-DTPA含量即得包封量。

In order to do further analysis, they were treated with distilled water and pond water experiments, they were thrown in the Shek Pik, the obtained is the same result.

为了能够做进一步的分析，他们分别用蒸馏水和池塘里的水做实验，将它们分别泼在了石壁上，得到的却是同样的结果。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。