利用植物生产纯化对苯二甲酸(PTA)和单乙二醇(MEG)。
Use plants to manufacture purified terephthalic acid (PTA) and monoethylene glycol (MEG).
探讨了以负载型对甲苯磺酸为催化剂合成乙二醇硬脂酸单酯的工艺。
The synthesis of ethylene glycol mono stearate by supported p-toluene sulfonic acid was investigated.
报道了单油酸聚乙二醇(400)磷酸酯的合成、分析和应用;
The preparation, analysis and application of mono-oleic polyethylene glycol(400)phosphate were presented.
介绍了乙二醇单甲醚回收装置的工艺流程、操作控制及其应用效果。
The technological process and operational control of glycol monoethyl ether's recovery package and applied effect were introduced.
考察了乙二醇单甲醚和冰乙酸摩尔比及催化剂用量对酯化率的影响。
The effect of molar ratio of ethylene glycol monomethyl ether and glacial acetic acid and catalyst dosage on esterification are discussed.
相比之下乙二醇双硬脂酸酯产生的珠光较强烈,乙二醇单硬脂酸酯产生的珠光较细腻。
Comparatively the glycol double stearin produces the pearly luster is intense, the glycol single stearin produces the pearly luster is exquisite.
在此条件下,产物中聚乙二醇(6000)单硬脂酸酯的含量可达93%。
The content of polyethylene glycol(6000) monostearate in the product could reach 93% under the optimum condition.
以聚乙二醇- 200与丙烯酸直接缩合反应,在不加有毒带水剂的条件下合成了丙烯酸聚乙二醇单酯。
Acrylate polyethylene glycol monoester was synthesized by condensation of PEG (200) and acrylic acid without water-carrying reaction.
在美国、日本的化妆品市场,至今仍将乙二醇单苯醚作为重要的杀菌剂。
So far the EPH is still used as an important disinfectant in the cosmetics market in America and in Japan.
介绍了乙二醇单异丁醚的反应机理及原料的摩尔比、反应温度和反应时间等因素对合成反应的影响。
This paper dealt with reaction mechanisms and synthesis and the effects of raw materials mole ratio, reaction temperature and reaction time.
以高氯酸锌为催化剂,环氧乙烷和低碳醇反应生成窄分子量分布的乙二醇单低碳醇醚,确定了适宜的工艺条件。
Reaction of lower primary alcohol and ethylene oxide was studied by zinc perchlorate as catalyst, and the products are narrow distributed. The suitable process conditions have been established.
将硫酸氢钠作为由乙二醇单甲醚和乙酸酯化合成乙二醇单甲醚乙酸酯的催化剂。
Sodium bisulfate was used as the catalyst for esterification of ethylene glycol mono-methyl ether and acetic acid to ethylene glycol monomethyl ether acetate.
在美国、日本的化妆品市场,至今仍将乙二醇单苯醚作为重要的杀菌剂。
The effectiveness of adding EPH in detergent and cosmetics used as disinfectant, preservative and deodorant is described in some examples.
研究对甲苯磺酰氯与乙二醇制备单对甲苯磺酸乙二醇酯的合成工艺。
Toluene-4-sulfonic acid 2-hydroxy-ethyl ester was synthesised by p-toluenesulfonyl chloride with glycol.
乙二醇单甲醚; 乙二醇甲醚;
为解决胶原酶免疫原性,采用经氯甲酸对硝基苯酯活化的单甲氧基聚乙二醇来修饰胶原酶。
In order to overcome the immunogenicity of collagenase, the enzyme was modified with monomethoxypolyethylene glycol 5000 (mPEG) activated by p nitrophenyl chloroformate.
二硫代磷酸与聚乙烯乙二醇单葵醚和聚乙烯乙二醇单辛醚的O,O-混合二酯;
Phosphorodithioic acid, mixed O, O-diesters with polyethylene glycol monodecyl ether and polyethylene glycol monooctyl ether;
乙二醇单乙酸醋酸酯做为一种高档溶剂,有着广阔的应用前景。
As a high-grade solvent, 2-ethoxyethanol acetate will have a good future to be used in chemical industry.
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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