• Study on Production of Chiral Acetoin and (2s, 3s) -2, 3-butanediol by Biocatalysis.

    生物法生产乙偶(2s,3s) - 2,3 -丁二醇的研究

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  • Fatty acids, coco, hydrogenated, polymers with adipic acid, 1, 3-butanediol and 1, 6-hexanediol.

    氢化可可脂肪酸硬脂1,3 -丁二醇和1,6 -己二醇的聚合物

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  • Production technology, market prospect and application of 1,4- butanediol are introduced in this paper.

    本文介绍了1,4-丁二醇几种生产技术市场需求应用

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  • 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2,3-丁二醇定性定量分析

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  • 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CI 17200。

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  • The catalysis of big pore strong acid resin for 1,4-butanediol dehydration to tetrahydrofuran is investigated.

    考察孔强酸性树脂1,4 丁二醇脱水四氢呋喃催化作用。

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  • This article describes the technological process, production capacity, output and market demand of 1, 4-butanediol.

    介绍1,4 -丁二醇的生产工艺、生产能力产量市场需求

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  • Water, organic compounds such as phenylcarbinol or 1,4-butanediol and other additives are beneficial to this reaction.

    以及己二醇、苯甲醇1,4-丁二醇一些有机物添加剂环己烯产率选择性的提高也积极的作用。

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  • Experimental results show that under single UV irradiation only, the naphthalene is first converted into 1, 4-butanediol and benzene.

    实验结果表明单纯紫外光条件下,首先会发生开环反应,生成1,4 -丁二醇和苯。

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  • 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结构

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  • 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,熔融交换合成介晶基-对羟基苯甲酸丁二醇酯(BBHB);

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  • 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.

    发明类甘油多元组合山梨醇二甘醇1,3-丁二醇1,4-丁二醇组成的固态液态组合物。

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  • 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尿囊素、苯氧乙醇、维生素c乙基醚、PEG - 40氢化蓖麻EDTA -二钠、香料。

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  • 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、甘草酸二甲桑葚精华等。

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  • 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、苯氧乙醇、EDTA -二钠、香料。

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  • 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.

    不同种类保护剂抑制共晶能力从强到弱依次甘油乙二醇DMSO1,2醇和1,3二醇。

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  • 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).

    采用一步合成4 ,4 '-甲烷二环已基二异氰酸酯HMDI)、扩链剂1,4 -二醇(BDO)为硬段,四氢呋喃醚(PTMG)为软段的脂肪聚氨酯

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  • 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PEG - 40氢化蓖麻、吡咯烷酮羧酸钠、EDTA -二钠、香料。

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  • 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EDTA -二钠、香料。

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  • 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).

    聚酯PEAPEPA聚醚(PTMGTDI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混合物作扩链剂制备聚氨酯弹性体。

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  • 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.

    加氢所得的1,4-丁二醇产品进行连续精馏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

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  • 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.

    加氢所得的1,4-丁二醇产品进行连续精馏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

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