丙二醇

Main Ingredients: Water,Hamamelis Virginiana Water,Glycerin,Propylene Glycol,Gm Euglena Gracilis Polysaccharide,Betaine,Aloe Barbadensis Leaf Juice,Hydrolyzed Wheat Protein,Sodium Pca,Tocopheryl Acetate,Polysorbate 20,Creatine,Hyaluronic Acid.

主要成分：去离子水，金缕梅蒸馏液，甘油，丙二醇，细小裸藻多糖，甜菜碱，芦荟叶提取物，水解小麦蛋白，吡咯烷酮羧酸钠，生育酚乙酸酯，聚山梨醇酯-20，肌酸，透明质酸，乙二胺四乙酸四钠，香精，苯氧乙醇，辛二醇，山梨酸。

Ingredients: Water,Hamamelis Virginiana Water,Glycerin,Propylene Glycol,Glyceryl Polymethacrylate,Betaine,Aloe Barbadensis Leaf Juice,Hydro-lyzed Wheat Protein,Sodium Pca,Tocopheryl Acetate,Polysorbate 20,Creatine,Hyaluronic Acid,Tetrasodium Edta,Perfume,Phenoxyethanol,Caprylyl Glycol,Sorbic.

成分：去离子水，金缕梅蒸馏液，甘油，丙二醇，甘油聚甲基丙烯酸酯，甜菜碱，芦荟叶提取物，水解小麦蛋白，吡咯烷酮羧酸钠，生育酚乙酸酯，聚山梨醇酯-20，肌酸，透明质酸，乙二胺四乙酸四钠，香精，苯氧乙醇，辛二醇，山梨酸。

The process of esterification of propylene glycol monomethyl ether with acetic acid to synthesize propylene glycol monomethyl ether acetate is investigated using 98% sulfuric acid as catalyst.

研究了以浓硫酸为催化剂，丙二醇甲醚和醋酸酯化合成丙二醇甲醚醋酸酯的过程，考察了醚和酸比例、催化剂用量等因素对反应的影响，并选择甲苯为水萃取剂。

In the preformulation study, the ultraviolet spectrum and HPLC methods for the assay of α-asarone were established firstly and then the physicochemical properties, especially the octanol/water partition coefficient and the solubility in various solvent systems such as alcohol, PEG 400, IPM, octanol were examined. The prediction permeability was then compared with actual transdermal parameters obtained from the in-vitro diffusion study , and feasibility of drug transdermal absorption was then analyzed.

在制剂开发的处方前研究工作中，首先建立了α-细辛醚的紫外及HPLC分析方法，测定了药物的油水分配系数及在生理盐水、各系列浓度的乙醇、PEG400、肉豆蔻酸异丙酯、正辛醇等溶媒中溶解度；其次，确立了药物体外经皮渗透研究的方法，并考察溶媒及促渗剂(乙醇、丙二醇、肉豆蔻酸异丙酯等)对药物体外经皮渗透性能的影响，计算药物经皮渗透的各参数，根据药物的药物动力学参数，分析了药物经皮吸收的可行性。

Ingredients: Water, Cetyl Alcohol, Propylene Glycol, Sodium Lauryl Sulfate, Stearyl Alcohol, Methylparaben, Propylparaben, Butylparaben.

它非常轻柔，可以用来清洗婴儿的娇嫩皮肤水，十六醇，丙二醇，硫酸月桂酰钠，硬脂醇，对羟基苯甲酸甲酯，丙对苯，羟苯丁酯

Also may catalyze the synthesis trimethylene glycol, with this craft production trimethylene glycol, discharges without the waste water, simultaneously reduces about production cost each ton 5,000 Yuan.

其主要原因是硫、脱除。也可催化合成丙二醇，用本工艺生产丙二醇，无废水排放，同时降低生产成本每吨5000元左右。

Glycerol as a by-product is yielded at about 10% of biodiesel during the process of biodiesel production .How to convert glycerol has become a common problem which has to be resolved if considering large amount of biodiesel production. 1,3-propanediol is a valuable chemical material and especially it could be copolymerizes with terephthalic acid to form polytrimethylene terephthalate, which has aroused people's interesting.

在生物柴油的生产过程中，最高可得到约10%的副产物甘油，副产物甘油的去向将成为生物柴油大规模产业化发展所面临的严峻问题。1，3-丙二醇是一种重要的化工原料，作为合成新型聚酯PTT的原料，1，3-丙二醇已引起人们的广泛关注。

Propanediol phenyl ether was synthesized from phenol and propylene oxide in the presence of a series of solid-based catalysts derived from hydrotalcite-like compounds. The effects of the composition and structure of the catalysts, and the reaction conditions on the synthesis of propanediol phenyl ether were studied.

以不同类水滑石化合物为前驱体制得的复合氧化物作为合成丙二醇苯醚反应的固体碱催化剂，考察了催化剂组成、结构及反应条件对催化合成丙二醇苯醚反应的影响。

Direct determination for free propylene glycol content in propylene glycol ester was put forward.

提出丙二醇酯中游离丙二醇含量的直接测定方法。

The present invention provides one simple and economic fermentation process for propylene glycol production.

其优点是发酵工艺简单经济，既简化了操作条件，降低了生产成本，又缩短了发酵时间，提高了生产效率，而且微氧条件下发酵液中1，3－丙二醇的浓度与厌氧发酵相当或略高一些，为微生物发酵法生产1，3－丙二醇的工业化提供了简单经济的发酵工艺。

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