介绍了环氧乙烷与二元醇的分离方法和条件。
The method and the condition of separation epoxy ethane from dihydric alcohol are described.
可直接使用，二元醇也可在润肤程序后使用。
It can be used directly or after the skin moistening process.
介绍用甲醇醇解法把聚酯或共聚酯解聚成二元酸二甲酯和二元醇。
The polyester or copolyester can be converted into dimethyl terephthalate of binary acid and glycol by method of methanolysis.
实验采用二异氰酸酯与聚醚二元醇、亲水扩链剂反应合成水性聚氨酯。
In the experiment, di-isocyanate, polyether diol and a hydrophilic chain-extender were used to synthesize aqueous urethane.
使用该方法作为二元醇酯的制备方法，能得到高纯度的二元醇酯化合物。
By using the method as the preparation method of the dibasic alcohol ester, the high-purity dibasic alcohol ester compound can be obtained.
本文用热力学和碳正离子化学的观点，对同碳二元醇的稳定性进行了讨论。
The Stability of gem-diols is discussed and interpreted in this paper in terms of thermodynamics and Carbanium Chcmistry.
这些化学制品适合于尿烷泡沫加工，并较传统类型二元醇衍生的泡沫不易燃烧。
These chemicals are compatible and processable in urethane foam formulations and less flammable than foams derived from other conventional type glycols.
先制备具有均一链长的含有酰胺键的硬段单体，然后与二元醇进行缩聚反应生成酯键是制备性能良好的聚酰胺酯的较好途径。
Ester bond can be formed through the polycondensation of hard segment monomer with uniform segment length containing amide bond and dihydric alcohol, which is a better way to prepare polyesteramide.
研究发现，建立的方程可预测二元和三元醇胺混合物的密度。
The results show that the densities of binary and ternary alcohol-amine mixtures are satisfactorily predicted.
结果利多卡因-月桂醇二元共熔混合物的熔点明显比利多卡因低。
Results The melting point of the lidocaine-dodecanol binary eutectic system was markedly lower than that of pure lidocaine.
二元冰是极细小的冰晶与乙二醇水溶液形成的泥浆状混合物，所以也称之为冰浆。
Binary ice is a kind of muddy mixture of very tiny ice crystals and glycol solution, so it is called ice slurry as well.
利用差示扫描量热仪实验研究了几种不同石蜡以及它们的混合物和多元醇二元体系的储热性能。
The thermal storage performances of several kinds of paraffin mixtures and polyalcohols binary systems were studied experimentally by differential scanning calorimeter.
通过对SN悬浮剂、BTA悬浮剂、二元悬浮剂的悬浮性试验，找到了可替代有机膨润土的新型醇基铸造涂料悬浮剂——二元悬浮剂。
After suspension property experiment of SN, bta, binary suspension agent, a new suspension agent for alcohol-base foundry coating was obtained.
研究了以KOH为催化剂，二元或三元醇为起始剂，采用阴离子开环聚合合成淬火剂用共聚醚。 结果表明：产物的分子量随起始剂和杂质量的减少而增加；
The synthesis of oxyethylene oxypropylene copolyethers used for quenchant was studied by using anionic ring opening polymerization, diol or triol as the starting agent and KOH as the catalyst.
利用聚合物NRTL模型对酯化反应器中聚合物- 乙二醇- 水体系进行分析，找出了适合仪化公司聚酯生产线的二元组分参数。
This paper used Polymer NRTL property model to analyse the VLE in polymer EG H 2O ternary system, and found out binary parameters proved to be suitable for the company′s process.
结果表明乙二醇与醋酸钾的混合物是分离甲乙酮水二元恒沸物的理想萃取剂。
The separation of azeotrope of methyl ethyl ketone water has been investigated by extractive distillation using the mixture of ethylene glycol and potassium acetate as an extractant.
本发明涉及一种新型的二元酸酯的制备方法，包括采用固定 化脂肪酶，由二元脂肪酸和一元脂肪醇催化合成二元酸酯的步骤。
The invention relates to a method for preparing a novel diester, which comprises steps of synthesis using immobilization lipase catalyzed by biprotic fatty acid and monohydric fatty alcohol.
本文利用具有配位、溶解和还原能力的乙二胺-乙二醇二元混合溶剂体系制备了近似单分散的二硫化镍微球。
In this thesis, an ethylenediamine-glycol mixed solution system which has good abilities of coordination, dissolution and reductivity has been used to synthesize near monodispersed NiS2 microspheres.
本文利用具有配位、溶解和还原能力的乙二胺-乙二醇二元混合溶剂体系制备了近似单分散的二硫化镍微球。
In this thesis, an ethylenediamine-glycol mixed solution system which has good abilities of coordination, dissolution and reductivity has been used to synthesize near monodispersed NiS2 microspheres.
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