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It is a primary object of the present invention to provide an aqueous ophthalmic formulation, for treating myopia, comprising pirenzepine in combination with a pharmaceutically acceptable gel carrier.

本发明主要目的是提供一种用于治疗近视的水性眼用制剂,其含有与药物可接受的凝胶载体结合的哌仑西平。

Using two methods combined(urea and phosphation modification, urea and pH modification) to modify SPI, when urea concentration was 3mol/L, at pH 10, it had the largest adhesive strength, and good water resistance ability.

采用尿素变性和磷酸化、尿素和pH变性两种方法复合修饰SPI,与单一的化学修饰方法相比,尿素浓度为3mol/L、pH为10时,所得到的胶粘强度最大,耐水性也很好。

It is considered that the hydrolysis of phase 5 or phase 3 in water can be themain cause for the poor water resistance,which can be improved by the addition of phosphonic acid or p...

讨论了氯氧镁水泥耐水性的评价方法,并对今后的研究提出了几个尚需深入的方面。

The results showed that preparation methods and conditions have distinct effect on photocatalytic properties and photo-hydrophility of the film.

研究结果表明,TiO_2膜的结构、形貌、光催化活性和亲水性与制备方法和制备条件有很大的关系。

The effect of components including tetracholrophthalic acid, phthalazine and antifoggant with tribromomethyl sulfone groups on photographic properties of FTG materials was investigated in different pH, using polyvinyl alcohol as a hydrophilic binder, in situ formed AgBr as light sensitive component.

本文以水性聚乙烯醇为粘合剂,原位法合成的AgBr作为光敏元,考察了组分四氯邻苯二甲酸、酞嗪以及三溴甲基砜类防灰雾剂在体系不同pH值时对PTG材料感光性能的影响。

These kosmotropes may be divided into two groups which act somewhat differently:(1) polyhydroxy compounds fit in well with the hydrogen bonding arrangements, but stabilize any cluster 'flickering' via hydrogen bond rearrangement, as their hydroxyl groups are similarly separated to water-water separations, and (2) zwitterions where the balance between hydrophilicity, hydrophobicity, anionic and cationic characteristics ensures good solubility but only weak net interactions to surrounding water.

这些kosmotropes可分为两个群体行为稍有不同:(1)多羟基化合物符合了氢键安排但任何稳定集束'摇曳'经由氢键重排,由于其羟基同样隔开水水离职,(2)氨基酸的平衡,亲水性,疏水性,阴离子和阳离子特色ensures溶解性好,但只有弱相互作用网,对周围的水。

The best catalytic activity and selectivity could be found in the prepared catalyst system with the optimum combination of the ionic liquid, nano-Pd, and support. The stabilizer is also used to prevent the aggregation of nano-Pd particles. One of the advantages of this approach is that the prereduction of catalyst is not required.

其中离子液体、奈米钯金属及担体皆有其功能,三者之组合才能达到良好之效果,同时,在合成奈米钯过程中,必须使用稳定剂以避免奈米钯金属之聚集此触媒系统之另一优点为不需先加氢还原处理,耐水性强且可重覆使用,是一种颇具潜力之选择性氢化触媒。

Electrochemical impendance spectroscopy,ultraviolet spectroscopy,salt fog test,chemical resistance,water proofness and mechanical performances were all employed to study its properties.

采用纳米TiO2、缓蚀剂BTA及助剂等对水性丙烯酸乳液改性,制成铜和铜合金防蚀封护剂。

In this paper four watery UV photoinitiators were studied and synthesized through a four-step process. They were l-(4-aminophenyl)-2-piperidino-1-propanone dihydrochloride, 1 -(4-aminophenyl)-2-morpholino-1 -propanone dihydrochloride, 1 -(4-aminophenyl)-2-diethylamino-1 -propanone dihydrochloride, 1 -(4-aminophenyl)-2-burylamino-1-propanone dihydrochloride, which have not been reported in any literatures till now.

本文通过四步反应合成了目前未见报道的四种水性紫外光引发剂:1-(4-氨基苯基)-2-哌啶基-1-丙酮盐酸盐、1-(4-氨基苯基)-2-吗啉基-1-丙酮盐酸盐,1-(4-氨基苯基)-2-二乙胺基-1-丙酮盐酸盐、1-(4-氨基苯基)-2-正丁胺基-1-丙酮盐酸盐。

The influence of various factors, such as n NCO / n OH , the content of extender and dimethylol propionic acid on the synthesis of water borne polyurethane and its film performance was studied.

研究了 n NCO/n OH、扩链剂及二羟甲基丙酸的含量对水性聚氨酯合成及涂膜性能的影响,确定了较佳的配方。

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Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

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