PEG400

The results showed that the catalytic effect of PEG400 is the best .

结果表明：PEG400的催化效果较好；

Using PEG400 / KI for catalyst , the yield was 92 % .

用聚乙二醇（PEG）400和KI双组分催化剂，得产率92%。

Microwave-assisted Solid-state Synthesis of Cu Nanoparticles in the Presence of PEG400

表面活性剂PEG400存在下单质铜的微波固相合成

METHODS PEG400 , PEG6000 were used as suppository base and the drug concentration was determined by UV-spectrophotometry .

方法以PEG400，PEG6000为基质，熔融法制备奥硝唑栓剂，采用紫外分光光度法测定其含量。

The etherification was catalyzed by PEG400 in the absence of solvent .

醚化反应在聚乙二醇400催化和无溶剂条件下进行。

Studies on the synthesis of nitriles using PEG400 as phase transfer catalyst or microwave irradiation under solvent-free conditions were carried out .

本文研究了在无溶剂条件下，相转移催化剂聚乙二醇400和微波辐射下腈类化合物的合成，获得了比较满意的结果。

Synthesis of BLP was studied by using PEG400 as catalyst and phthalic anhydride , butyl alcohol and lauryl alcohol as reactants .

研究了以聚乙二醇400（PEG-400）为催化剂，以邻苯二甲酸酐、正丁醇、月桂醇为原料合成邻苯二甲酸丁基月桂酯（BLP）的试验过程。

The results show that the composite materials modified by the PEG400 improved the compatibility between thermoplastic starch and poly ( lactic acid ), and enhanced plasticity of composite materials .

结果表明所制备的PEG400改性的复合材料在一定程度上改善了聚乳酸和热塑性淀粉之间的相容性，提高了复合材料的塑性。

Spherical and rod-like nano α - MnO_2 were successfully prepared by using KMnO_4 , AEO-3 and PEG400 via reduction reaction in solution at room temperature .

以KMnO4、十二烷基醇聚氧乙烯（3）醚（AEO-3）、聚乙二醇400（PEG400）为原料，采用常温液相还原反应法成功制备出球形和棒状纳米-αMnO2。

Single PEG400 can only do some effect on the sample without SC , and the change in attenuation coefficient of samples is just 2 / 3 of that treated by mixed solution .

单纯的PEG400仅对去角质皮肤有一定的光透明效果，并且所导致的皮肤衰减系数的降低仅为混合液作用后的2/3。

Stenting might lead to evident decrease of esophageal mucosal blood flow , which significantly impaired the junction of epithelial cells and mucosal structure , and the permeability for PEG400 was increased significantly .

由此可见支架置入可导致食管局部粘膜血流量明显降低；支架术后上皮细胞间连接及粘膜结构破坏明显，对PEG400通透性显著增高。

This paper has studied strong alkali catalyst KOH and phase transfer catalyst PEG400 in synthesizing Metoprolol by 4 - ( 2-methoxy-ethyl ) phenol and epichlorohydrin by etherification reaction and amination reaction .

以对甲氧乙基苯酚和环氧氯丙烷为原料，强碱KOH为催化剂，PEG400（聚乙二醇400）为相转移催化剂，通过醚化反应和胺化反应合成了美多心安。

Using orthogonal design experiments , the process conditions were studied , the effects of the molar ratio of PEG400 to lauric acid 、 the reaction temperature 、 the weight of the catalyst and the reaction time on saponification value of the product had been discussed .

采用正交实验对聚乙二醇（PEG400）酯化月桂酸的工艺条件进行了研究，探讨了醇酸摩尔比、反应温度、催化剂用量和反应时间对产品皂化值的影响。

To the system of PEG400 , for example , its spectral transmittance reached 92 % , its impact strength was 3.6 times higher than PMMA , its thermal deformation temperature was 2.2 times higher than PMMA and could be used as a new kind of transparent polymer material .

以PEG400体系为例，材料的透光率达92%以上，冲击强度是PMMA的3.6倍，热变形温度比PMMA高100℃左右，可用于耐高温、抗冲击、尺寸精度高的特殊光学领域。

The results showed that AKF-PD was slightly soluable in water , and the solubility was 2.5 mg-mL-1 ( 25 ℃) which was not sensitive to pH ; AKF-PD was freely soluble in ethanol , soluble in PEG400 , propylene glycol and isopropanol , and slightly soluable in glycerin .

结果表明AKF-PD在水中微溶，溶解度为2.5mg-mL-1（25℃），pH对溶解度影响小；AKF-PD易溶于乙醇，可溶于PEG400、丙二醇和异丙醇，微溶于甘油。