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- Synthesis of kojic distearate from stearate acid, chloro-sulfoxide and kojic acid was studied. 介紹了以硬脂酸,氯化亞碸,曲酸等為原料製備雙硬脂酸曲酸酯的方法。
- Ingredients : Deionized Water, Stearic Acid, Strawberry Extract, Seamollient, Propylene Glycol Dipelargonate, Polyglycol Ester, Myristate DEA. 用法:以清水洗臉,取適量並於臉上輕輕按摩,再以清水洗凈。
- Cross-linked polyglycol diacrylate is a kind of organic polymer, which is envirmental friendly and has a high water absorbency. 交聯聚乙二醇二丙烯酸酯是一種高分子聚合物材料,性質溫和,吸水性強,其獨特的結構和性能使其可能成為漆酶固定化的潛在載體。
- The composite polyglycol additive is prepared,the cloud point of composite polyglycol can be adjusted by changing the proportion of the composition. 研製了複合聚合醇處理劑,複合聚合醇的濁點可以通過改變組分的比例進行調節。
- The synthesis of nonionic polyurethane emulsion, made from polyglycol ether (hydrophilic monomer), polyether N220 and TDI was discussed in this paper. 主要討論了以聚乙二醇為親水單體,聚醚多元醇N220為多元醇製備非離子水性聚氨酯乳液。
- When the pore pressure is relatively low,the positive-charged polyglycol is mainly used to ensure the muds having good performance. 在地層孔隙壓力較低時,主要使用正電聚醇處理劑確保鑽井液具有良好的性能;
- The effects of the kind of anti-oxident and its add-on on the thermal stability of polyglycol were studied by using DSC and TG in this paper. 採用熱分析方法研究抗氧劑種類及其添加量對聚乙二醇熱穩定性的影響。
- This study concentrates on the behavior of ruthenium tetroxide (RuO4) staining on some polymers such as polyglycol (PEG), nylon 6 and polystyrene (PS). 本文研究了RuO4對聚合物聚乙二醇、尼龍6及聚苯乙烯的染色行為。
- A type of co-poly carboxylic acid with different polyglycol side-group,carboxylic acid group was synthesized,by using a "purpose building" approach. 通過「分子設計」,研製出一類帶有不同側鏈的聚醚基團,羧酸基團的聚羧酸共聚物減水劑,著重討論了側鏈長度對分散性能的影響。
- When the pore pressure is relatively low, the positive-charged polyglycol is mainly used to ensure the mud having good performance. 在地層孔隙壓力較低時,主要使用正電聚醇處理劑確保鑽井液具有良好的性能;
- According to the basic character of gas reservoir in Dongpu depression,novel formate/positive-charged polyglycol drilling fluid was newly developed. 針對東濮凹陷儲氣層特徵,研製了新型的甲酸鹽/正電聚醇鑽井液體系。
- When the pore pressure is relatively low,the positive-charged polyglycol is mainly used to ensure the mud having good performance. 在地層孔隙壓力較低時,主要使用正電聚醇處理劑確保鑽井液具有良好的性能;
- A method was established for the direct determination of fatty acid polyglycol ester in DTY finish by infrared spectrometry. 建立了紅外光譜法直接測定DTY油劑中脂肪酸聚乙二醇酯含量的分析方法。
- In our experiment, we synthesised alkyl polyglycol ether sulfonates (APES), electrolytically stable fatliquor, and tried to apply it in the pickle and tanning bath. 在我們的實驗中,我們合成了烷基聚乙二醇醚磺酸鹽(APES),一種電解穩定加脂劑,並將其試用於浸酸浴和鞣浴中。
- Using the synergetic effect between potassium chloride and polyglycol to prepare potassium chloride/polyglycol drilling fluid system,and evaluate its performance. 利用聚合醇與氯化鉀的協同增效作用,研製了氯化鉀/聚合醇鑽井液體系,對鑽井液體系性能進行了評價。
- A new kind of formate/positivc-charged polyglycol drilling fluid system has been developed making full use of the coordinated effect of formate and positive-charged polyglycol. 充分利用正電聚醇和甲酸鹽的協同增效作用,研製了新型甲酸鹽/正電聚醇鑽井液體系。
- The results showed that the additivelevel of anti-oxident is increased.the start temperature and the top temperature of thermaldegradation of the polyglycol is increased. 結果指出,隨著其添加量的增加,聚乙二醇的熱分解起始溫度和頂峰溫度等增加;
- The out layer is made up of the gelatin with a high purity and a low molecular weight, and the inner one of polyglycol with a molecular weight of 20000. 方法:選用高純度低分子量明膠和色譜純分子量為20000的聚乙二醇為原料製備血管吻合用中空支架,使前者構成支架壁的表層,後者構成支架壁的內層,並觀察在類吻合環境下支架表面結構的改變。
- If the content of hindered phenol group in antioxident is higher and its thermal stability is better,then the anti-thermo-oxidative ability forthe polyglycol is stronger. 具有高阻礙酚基團含量且耐熱的抗氧劑,對聚乙二醇的熱氧化保護能力最強。
- Test results show that by adding suitable amount of polyglycol and temporary plugging agent in the foam drilling fluid, the permeability recovery increases from 66. 實驗結果表明;泡沫鑽井液中加入適量暫堵劑和聚合醇后;滲透率恢復值從66.;54%25增加到84