乙酯基

In this dissertation, polyethylene glycol monomethyl ether of 2000 molecular weight as soluble support, an array of soluble polymer-supported tartrate esters were designed, synthesized, and applied in asymmetric epoxidation of allylic alcohols.

本论文以平均分子量为2000的聚乙二醇单甲醚为可溶性支载体设计和合成了一系列可溶性聚合物支载的酒石酸酯配体，并将它们用于烯丙基醇的不对称环氧化反应。

Paraacetaminophenyl-β-hydroxyethylsulfone can be used as raw material to produce the target product 2-sulfonic-4-(β-sulphatoethyl-sulphone) phenylamine through sulfonationating and hydrolytic reactions.

本文研究了以对乙酰氨基苯基-β-羟乙基砜为原料，经磺化和水解反应，制得产品2-磺酸-4-苯胺的合成工艺，以及2-磺酸-4-乙基砜基硫酸酯苯胺钠盐后处理的最佳操作工艺。

Rosolic acid reacted with acetic anhydride to synthesize rosolic acid -triacelate ester [tri(4-acetoxy) phenyl methane] under reflux condition.

以玫红酸、醋酸酐为原料，采用加热回流法合成了玫红酸三乙酸酯[三(4-乙酰氧基)苯基甲烷]。

With land area of 2,800M2 and completed quality supervision test instrument, its annual sales amount reaches 30,000,000 RMB. Its main products, Succinimide,butanimide,2.5-diketopyrrolidine;N-bromobutanimide or N-bromosuccinimide;N- chlorosuccinimide (N-chlorobutanimide);Bromoacetonitrile,Bromomethyl cyanide; Quinoline;P-Bromophenol;4-Bromophenol;N.N'- dicyclohexylcarbodiimide;S-3-Hydroxy-γ-Butyrolactone;2.3-Dihydrofuran;Ammonia water, Ammonium hydroxide; sell well in the US, South Korea, Europe and other countries and are praised highly by all clients.

占地面积2800M2，年销售额3000万元，公司拥有完备的质量监测检验仪器和手段，主要产品有：琥珀酰亚胺、N-溴代琥珀酰亚胺、N-氯代琥珀酰亚胺、溴乙晴、喹啉（95%）、喹啉（ 98%）、对溴苯酚、N.N'-二环已基碳化二亚胺、s-3-羟基-γ-丁内酯、2.3-二氢呋喃、氨水、氢氧化胺，产品远销美国、韩国、欧洲等国家和地区，深受用户青睐。

A series of ABEPS were synthesized from long chain fatty acids, benzene, polyglycol and 1, 3-propane sultone by the procedure of Friedel-Crafts acylation, Huang-Minlon reduction, Williamson and sulfonation reaction, and these compounds had never been reported in the past time.

以长链羧酸、苯、多缩乙二醇和丙烷磺内酯为初始原料，依次经Friedel-Crafts酰基化反应、Huang-Minlon还原、Blank反应、Williamson成醚以及磺化反应等过程，合成了系列未见报道的ABEPS。

Main products are Perfluorosulfonated acid resin, PFSA aqueous dispersion, and on the basic of them, HFPO,TFE sultone,PSVE,PPVE,MTPME etc fluorinated fine chemicals,and FEP,FKM,PVDF etc fluorpolymers.

公司主导产品有全氟磺酸离子交换树脂、全氟磺酸离子交换树脂溶液，同时以此为依托，配套生产六氟环氧丙烷、四氟磺内酯、PSVE、PPVE、甲氧基四氟丙酸甲酯等含氟精细化学品，聚全氟乙丙烯树脂（FEP，F46）及分散液、氟橡胶、聚偏氟乙烯等含氟高分子材料。

Ingredients: lavender essence,whitening factor,lauric acid, tetradecanoic acid, gydroxysulfobetaine, distearic acid glycol ester.

成分：薰衣草精华，美白因子，月桂酸，肉豆蔻酸，羟磺基甜菜碱，乙二醇双硬脂肪酯。

Ingredients:Rose extract,whitening factor,lauric acid, tetradecanoic acid, gydroxysulfobetaine, distearic acid glycol ester.

成分：玫瑰提取液，美白因子，月桂酸，肉豆蔻酸，羟磺基甜菜碱，乙二醇双硬脂肪酯。

Ingredients: lavender essence,whitening factor,slauric acid, tetradecanoic acid, gydroxysulfobetaine, distearic acid glycol ester.

成分：薰衣草精华，美白因子，月桂酸，肉豆蔻酸，羟磺基甜菜碱，乙二醇双硬脂肪酯。

Ingredients: honey extract , lauric acid, tetradecanoic acid, gydroxysulfobetaine, distearic acid glycol ester.

成分：柠檬提取液，蜂蜜，月桂酸，肉豆蔻酸，羟磺基甜菜碱，乙二醇双硬脂肪酯。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐