... Bifida ferment lysate：（比菲德氏菌）二裂酵母发酵产物溶孢物。这里考虑为帮助皮肤代谢添加。 Isopentyldiol：异戊二醇，溶剂 Petrolatum：凡士林。保湿很好，有较高致痘性。容易导致皮肤堵塞。在眼霜中使用容易造成脂肪粒。 ...
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Magnesium L-Ascorbyl-2-phosphate 维他命C磷酸镁盐 抗氧化 美白 Isoprene Glycol 异戊二醇 Acrylamide/Sodium acryloyldimethyltaurate copolymer 丙烯酰胺/丙烯酰基二甲基牛磺酸钠共聚物 ..
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本工作首次制备了醇改性负载钛催化剂，并将其用于丁二烯和异戊二烯配位聚合。
Supported titanium catalysts modified by alcohols were prepared for the first time, and the modified catalysts were used for the coordination polymerization of butadiene and isoprene.
以二苯胺甲烷磺酸盐为催化剂，合成了丙酸异戊酯，考察了反应时间、催化剂用量、醇酸摩尔比等因素对酯化率的影响。
The effect of different factors, such as reaction time, the amount of catalyst and the ratio of iso-amyl alcohol to propanoic acid on the yield of iso-amyl propionate were carefully studied.
本文介绍了丁辛醇装置副产物异丁醛的缩合产品2,2,4 -三甲基- 1,3 -戊二醇单异丁酸酯的性质、用途、合成及分离工艺条件。
The properties, applications, and process conditions for synthesis and separation of 2, 2, 4 -trimethyl - 1, 3 - pentanediol isobutyrate are introduced.
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