Researches in propanediol methyl ether synthesis catalysts were reviewed in this paper.
综述了丙二醇甲醚合成催化剂研究的最新进展。
Hamamelis mollis extract, vitamin e, almond oil, mink oil, squalane, and propanediol etc.
金缕梅提取液、维生素e、杏仁油、貂油、角鲨烷、丙二醇等。
Propyleneglycol, polymer with terephthalic acid, fumaric acid and 2,2-dimethyl-1,3-propanediol.
丙二醇与对苯二甲酸、反丁烯二酸和2,2-二甲基-1,3-丙二醇的聚合物。
Pyruvaldehyde was synthesized with acetone or 1, 2 propanediol as starting material respectively.
分别用丙酮和1,2丙二醇做原料合成了丙酮醛。
Qualitative and Quantitative Analysis of 2,3-Butanediol in 1,3-Propanediol Broth of Klebsiella Oxytoca.
产酸克氏杆菌1,3-丙二醇发酵液中2,3-丁二醇的定性和定量分析。
As an important chemical material, 1, 3-propanediol (1, 3-pd) has numerous promising properties and applications.
丙二醇(1,3 - PD)是一种重要的化工原料,具有许多优良特性和很好的应用前景。
The latest technical advance of 1, 3-propanediol for PTT raw materials production technique were introduced emphatically.
以及生产ptt的原料1,3 -丙二醇生产工艺近期所取得的新进展。
E. agglomerans possesses the abilities of de-halogen, degrading trinitrin, and transforming glycerol into 1,3-propanediol.
在生物代谢途径方面具有脱卤素、降解三硝酸甘油及将甘油转化为1,3 丙二醇的能力。
The use of methanol, 1,2-propanediol and vitrification in the cryopreservation of the red sea bream's embryos was advised.
综上推测:使用丙二醇、甲醇作为抗冻剂以及玻璃化冷冻保存方法对真鲷心跳期胚胎超低温保存也许较为合适。
The experiment results show that tinidazole gel is stable in the mixed solvents of propanediol and ethanol with antioxider.
结果表明,以丙二醇和乙醇作替硝唑的混合溶媒,并配以抗氧剂获得质量稳定的替硝唑凝胶。
The ethyl stearate react with sucrose and to synthesize the sucrose fatty acid ester in the poisonless solvent (propanediol).
由硬脂酸乙酯与蔗糖在无毒溶剂丙二醇存在下进行酯交换反应,合成了硬脂酸蔗糖酯。
New utilizations were introduced in this paper, such as 1,3- propanediol, dihydroxy acetone, 1,2- propanediol, epichlorohydrin.
介绍了甘油新的开发应用,包括1,3-丙二醇、二羟基丙酮、 1,2-丙二醇和环氧氯丙烷的制备研究及应用。
Copper-containing catalysts are the most suitable catalysts for producing 1,2-propanediol through catalytic hydrogenolysis of glycerol.
对甘油催化氢解制取1,2-丙二醇效果最好的是含铜的催化剂。
The technology for production of 1, 3-propanediol by the gene engineering has been broken through, especially by the pathway engineering.
利用基因工程技术生产1,3 -丙二醇,特别是途径工程的利用已取得了重大突破。
A new spectrophotometric method for determining magnesium content in foodstuffs with EBT-1, 2-propanediol as color reagent was developed.
建立了EBT - 1,2 -丙二醇水溶液光度法准确测定食品中镁含量的新方法。
Citral 1, 2-propanediol acetal was synthesized using citral and 1, 2-propanediol as raw materials and copper methanesulfonate as catalyst.
以柠檬醛和1,2 -丙二醇为原料,甲基磺酸铜为催化剂,合成了柠檬醛缩1,2 -丙二醇。
When both 1, 2-propanediol and 1, 3-propanediol are produced, it is difficult to tell what factors have a decisive effect on their selectivity.
在同时产生1,2 -丙二醇和1,3 -丙二醇的情况下,很难判断哪些因素对它们的选择性具有决定性作用。
CONCLUSION Transfersulin system with azone and 1, 2-propanediol can improve the penetration efficiency on mice skin and eliminate the blood glucose.
结论:1,2 -丙二醇,月桂氮卓芯酮—胰岛素传递体经皮给药系统可进一步提高胰岛素传递体的透皮吸收效率,降低血糖。
This invention involves a continuous and high yield separation method for 1, 3-propanediol from fermentation liquor by reaction-extraction coupling.
本发明涉及一种从发酵液中利用反应-萃取耦合法连续、高收率分离提取1,3 -丙二醇的方法。
Ingredients: Deionized Water, Propanediol, Acrylic Acid Polymer, N-Hexadecyltrimethylammonium Chloride, Pawpaw Extract, Melarrest l, DMDM Hydantoin, Essence.
产品成分:去离子水、丙二醇、丙烯酸聚合物、西曲氯铵、木瓜提取液、甘草提取液、DMDM乙内酰脲、香料。
The butyraldehyde 1, 2-propanediol acetal is synthesized from the acetalization reaction of butyraldehyde and 1, 2-propanediol, and used iodine as catalysis.
以单质碘为催化剂,通过丁醛和1,2丙二醇反应合成了丁醛1,2丙二醇缩醛。
Polyurethane foam wastes were recycled by alcoholysis with 1, 2-propanediol. Polyol and amine compound were gained. Polyol compound was analyzed by infrared spectrum.
以1,2-丙二醇醇解废旧聚氨酯得到多元醇混合物和胺类化合物,红外光谱法分析了多元醇混合物。
This project makes use of biodiesel byproduct glycerine or outsourcing shoddy glycerine, b, producing 1,3-propanediol project by biological fermentation with annual output:60000 tons.
本项目拟利用生物柴油副产甘油或外购粗甘油,采用生物发酵法进行生产,年产6万吨1,3-丙二醇。
Polyterephthalate produced based on monomeric 1, 3-propanediol is a new polyester material with excellent performance, it is becoming a hot point to develop new synthetic fiber currently.
以1,3 -丙二醇为单体生产的聚对苯二甲酸二醇酯是一种新型聚酯材料,具有优良的特性,是目前合成纤维新品种开发热点。
And the surface material includes propanediol, which is capable of enhancing moisture keeping performance of tobacco leaf, making leaf crushing in the cutting process uneasy, and yield high.
另外表料中含有丙二醇,加料可提高烟叶保湿性能,使切丝过程中不易碎叶,出丝率高。
The activity level of glycerol dehydrogenase, 1,3-propanediol oxidoreductase and glycerol dehydratase are 2.24, 1.59 and 1.50 times higher respectively compared to conditions before optimization.
在该条件下得到的甘油脱氢酶、1,3—丙二醇氧化酶和甘油脱水酶活力水平分别为对照组的2.24倍、1.59倍和1.5倍。
The activity level of glycerol dehydrogenase, 1,3-propanediol oxidoreductase and glycerol dehydratase are 2.24, 1.59 and 1.50 times higher respectively compared to conditions before optimization.
在该条件下得到的甘油脱氢酶、1,3—丙二醇氧化酶和甘油脱水酶活力水平分别为对照组的2.24倍、1.59倍和1.5倍。
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