丙二醇

TiSiW_(12)O_(40)/TiO_2 is an excellent catalyst for synthesizing butyraldehyde 1,2-propanediol acetal and the yield could be up to.

报道了以TiSiW_(12)O_(40)/TiO_2为多相催化剂，通过丁醛和1，2-丙二醇反应合成丁醛缩1，2-丙二醇。

Sodium bisulfate is an excellent catalyst for synthesizing butanone 1,2-propan.

以一水合硫酸氢钠为多相催化剂，由丁酮和1，2-丙二醇反应合成了丁酮1，2-丙二醇缩酮。

The new synthetic technology of propandiol butyl ether and its comparison with the traditional production process are given in this article.

介绍了合成丙二醇丁醚的新工艺并和传统生产方法进行了比较，阐明了丙二醇丁醚作为溶剂和化学反应中间体的应用和发展前

It was regarded as being widely used chemical indudstry material in 21 century and more and more researchers pay attention to that.At present, the primary method to produce 1,3-propanediol is chemosynthesis method.

目前生产1，3—丙二醇的方法主要是化学法，由于化学法生产成本高，且对环境污染大，因此微生物法生产1，3—丙二醇成为当前研究的热点。

Benzaldehyde 1, 2-propylene acetalization was carried out with benzaldehyde and 1, 2-propylene alcohol in the presence of polyaniline doped with ferric chloride.

在以苯甲醛和1，2-丙二醇为原料合成苯甲醛1，2-丙二醇缩醛的反应中，探讨了PAn-FeCl3催化剂对缩醛反应的催化活性。

In this paper, the synthesis, performance and kinetics of C_(36) DFAbased di-polyester or tri-polyester and its derivant, their polyesters were synthesizewith DFA and EG or PEG and PPG, were systemically and roundly studied.

本文以天然油脂加工产物——二聚脂肪酸为主要原料，系统地研究了二聚脂肪酸与乙二醇、聚乙二醇、聚丙二醇之间二元或三元缩聚反应的理论问题及合成物应用性能。

Under microwave irradiation ,cyclohexanone 1,2-propylene ketal was synthesized from cyclohexanone and 1,2-propanediol using HPW as catalyst.

在微波辐射下，以磷钨酸为催化剂，以环己酮和1，2-丙二醇为原料合成了环己酮1，2-丙二醇缩酮。

Silicasulfuric acid was used as the catalyst for synthesis of Cyclohexanone 1, 2-propylene ketal from cyclohexanone and 1, 2-propylene glycol. The effect of catalyst dosage, molar ratio and reflux time to reaction were investigated.

以磺化硅胶为催化剂，以环己酮和1，2-丙二醇为原料合成环己酮1，2-丙二醇缩酮，考察了催化剂的用量、原料配比和回流时间对反应的影响。

The paper take the Ce (SO4)2/PAn as catalyst and cyclohexanone, 1,2-propylene glycol as raw materialr to synthesize cyclohexanonel 1,2-propylene glycol ketal.

以硫酸高铈[Ce (SO4)2]掺杂聚苯胺为催化剂，环己酮和1，2-丙二醇为原料，催化合成环己酮1，2-丙二醇缩酮。

Water, Kaolin, Montmorillonite, Stearic Acid, Cetyl Alcohol, Glycereth-26, Glyceryl Stearate, Peg-100 Stearate, Aloe Barbadensis Leaf Juice, Triethanolamine, Titanium Dioxide, Menthyl Pca, Lauryl Pca, Fragrance, Diazolidinyl Urea, Propylene Glycol, Ethoxydiglycol, Methylparaben, Citric Acid, Panax Ginseng Root Extract, Zinc Pca, Copper Pca, Yellow 5, Blue 1

水，高岭土，蒙脱土，硬脂酸，鲸蜡醇，Glycereth-26，甘油硬脂酸酯，培格100硬脂酸，芦荟叶汁，三乙醇胺，二氧化钛，薄荷醇，香料，尿素醛，丙二醇，乙氧基二甘醇，对羟基苯甲酸甲酯，柠檬酸，人参精华，锌，铜，黄色5#，蓝色1#。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了