Study on Production of Chiral Acetoin and (2s, 3s) -2, 3-butanediol by Biocatalysis.
生物法生产手性乙偶姻及(2s,3s) - 2,3 -丁二醇的研究。
Fatty acids, coco, hydrogenated, polymers with adipic acid, 1, 3-butanediol and 1, 6-hexanediol.
氢化可可脂肪酸与硬脂酸、1,3 -丁二醇和1,6 -己二醇的聚合物。
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。
The catalysis of big pore strong acid resin for 1,4-butanediol dehydration to tetrahydrofuran is investigated.
考察了大孔强酸性树脂对1,4 丁二醇脱水制四氢呋喃的催化作用。
This article describes the technological process, production capacity, output and market demand of 1, 4-butanediol.
介绍了1,4 -丁二醇的生产工艺、生产能力、产量和市场需求。
Water, organic compounds such as phenylcarbinol or 1,4-butanediol and other additives are beneficial to this reaction.
水以及己二醇、苯甲醇和1,4-丁二醇等一些有机物添加剂对环己烯产率和选择性的提高也有积极的作用。
Experimental results show that under single UV irradiation only, the naphthalene is first converted into 1, 4-butanediol and benzene.
实验结果表明在单纯紫外光条件下,萘首先会发生开环反应,生成1,4 -丁二醇和苯。
In this paper (s) -3-methyl-1, 1-diphenyl-1, 2-butanediol has been synthesized. The structure is conformed by IR? NMR and element analysis.
本文合成了(S) - 3 -甲基- 1,1 -二苯基- 1,2 -丁二醇,并通过元素分析、核磁共振、红外光谱测定了其结构。
Bis(p-hydroxybenzonic acid butanediolate)(BBHB)as mesogenic unit was prepared with methyl p-hydroxybenzoate, 1,4-butanediol and catalyst by melting transesterification.
以对羟基苯甲酸甲酯、1,4丁二醇为主要原料,经熔融酯交换合成介晶基元双-对羟基苯甲酸丁二醇酯(BBHB);
This invention relates to glycerinoid polybasic alcohol compositions which are solid or liquid compositions composed of sorbitol and diglycol, 1,3-butanediol or 1,4-butanediol.
本发明的类甘油多元醇组合物是由山梨醇与二甘醇、1,3-丁二醇或1,4-丁二醇组成的固态或液态组合物。
A series of polyurethane (PU) elastomer were synthesized from polyester(PEA, PEPA) or polyether(PTMG), toluene dissocyanate (TDI), mixture of triisopropanolamine(TIPA) and 1,4-butanediol(BDO).
以聚酯(PEA、PEPA)或聚醚(PTMG)和TDI为原料合成聚氨酯预聚体,用三异丙醇胺 (TIPA)和1,4-丁二醇(BDO)的混合物作扩链剂制备聚氨酯弹性体。
The raw product from hydrogenation is continuously rectified. 1,4-Butanediol from continuous rectification is subject to PBT polymerization test, and is found to be up to the polymerization grade.
对加氢所得的1,4-丁二醇粗产品进行了连续精馏和PBT聚合试验,表明试验所得的1,4-丁二醇产品达到了聚合级要求。
Ingredients: deionized water, rose extract, glycerol, allantoin, butanediol, imidazolidinyl urea, CI 17200.
成份:去离子水、玫瑰花提取物、甘油、尿囊素、丁二醇、双咪唑烷基脲、CI 17200。
Main ingredients: arbutin, ginseng extract, gherkin extract, 1, 3 - butanediol, amino acid moisturizer, hydrolyzed collagen, dimethyl glycyrrhizinate, white mulberry essence, etc.
主要成分:熊果苷、人参提取液、小黄瓜提取液、1,3-丁二醇、氨基酸保湿剂、水解胶原蛋白、甘草酸二甲、白桑葚精华等。
Production technology, market prospect and application of 1,4- butanediol are introduced in this paper.
本文介绍了1,4-丁二醇的几种生产技术,市场需求及应用。
The one step method was adopted in this study to synthesize aliphatic polyurethane with 4,4 methylene dicyclohexyl diisocyanate(HMDI), 1,4 butanediol(BDO) and poly (tetrahydrofuran)(PTMG).
采用一步法合成以4 ,4 '-甲烷二环已基二异氰酸酯(HMDI)、扩链剂1,4 -丁二醇(BDO)为硬段,聚四氢呋喃醚(PTMG)为软段的脂肪族聚氨酯。
The restrain effect of cryoprotective agents on eutectic is different. The best is glycerol and then is ethylene glycol, DMSO, 1,2 propylene glycol and 1,3 butanediol respectively.
不同种类保护剂的抑制共晶的能力从强到弱依次是甘油、乙二醇、DMSO、1,2丙二醇和1,3丁二醇。
Ingredients: Deionized Water, Glycerin, Butanediol, Aloe Extract, ha, Allantoin, Phenoxyethanol, Ethyl Ascorbic Acid, PEG-40 Hydrogenated Castor Oil, EDTA-Disodium Salt, Essence.
产品成分:去离子水、甘油、丁二醇、芦荟提取液、透明质酸、尿囊素、苯氧乙醇、维生素c乙基醚、PEG - 40氢化蓖麻油、EDTA -二钠、香料。
Ingredients: Deionized Water, Glycerin, Butanediol, Hamamelis Extract, Cucumber Extract, ha, Allantoin, PEG-40 Hydrogenated Castor Oil, Phenoxyethanol, EDTA-Disodium Salt, Essence.
产品成份:去离子水、甘油、丁二醇、金缕梅提取液、黄瓜提取液、透明质酸、尿囊素、PEG - 40氢化蓖麻油、苯氧乙醇、EDTA -二钠、香料。
Ingredients: Deionized Water, Glycerin, Butanediol, Safflower Extract, Allantoin, Phenoxyethanol, ha, PEG-40 Hydrogenated Castor Oil, Pyrrolidone Carbozylic Acid, EDTA-Disodium Salt, Essence.
产品成份:去离子水、甘油、丁二醇、红花提取液、尿囊素、苯氧乙醇、透明质酸、PEG - 40氢化蓖麻油、吡咯烷酮羧酸钠、EDTA -二钠、香料。
Ingredients: Deionized Water, Glycerin, Butanediol, Cactus Extract, Hamamelis Extract, Melarrest l, ha, Allantoin, Phenoxyethanol, PEG-40 Hydrogenated Castor Oil, EDTA-Disodium Salt, Essence.
产品成分:去离子水、甘油、丁二醇、仙人掌提取液、金缕梅提取液、甘草提取液、透明质酸、尿囊素、苯氧乙醇、PEG - 40氢化蓖麻油、EDTA -二钠、香料。
Ingredients: Deionized Water, Glycerin, Butanediol, Cactus Extract, Hamamelis Extract, Melarrest l, ha, Allantoin, Phenoxyethanol, PEG-40 Hydrogenated Castor Oil, EDTA-Disodium Salt, Essence.
产品成分:去离子水、甘油、丁二醇、仙人掌提取液、金缕梅提取液、甘草提取液、透明质酸、尿囊素、苯氧乙醇、PEG - 40氢化蓖麻油、EDTA -二钠、香料。
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