乙二酸

Ingredients: water,decyl glucoside,glycerin,sodium cocoamphodiacetate,sodium pca,polysorbate-20,cocamidopropyl betaine,carya illinoensis powder,panthenol,carbomer,aloe barbadensis leaf juice,lavandula angustifolia oil,perfume,tetrasodium edta,lactic acid.

主要成份：去离子水，葵基葡聚糖，甘油，椰油两性二醋酸二钠，吡咯烷酮羧酸钠，聚山梨醇酯-20 ，椰油酰胺丙基甜菜碱，核桃粉，泛醇，卡波姆，芦荟叶萃取物，薰衣草精油，香精，乙二胺四乙酸四钠，乳酸。

DFA-PEG polyester was synthesized with DFA and PEG 400 at first, and then bysulfating DFA-PEG polyester with NH_2SO_3H or terminating DFA-EG polyester withrosin acid, two derivant, these are sulfated DFA-PEG polyester and terminateDFA-PEG polyester, were synthesized. The reaction conditions of synthesis wereoptimized by orthogonal experiments.The molecular weight of product was analyzed by GPC.

5以二聚脂肪酸和聚乙二醇400为原料，首先合成了DFA-PEG聚酯，再以DFA-PEG聚酯为衍生体，硫酸化或用松香封端，合成了两种DFA-PEG聚酯衍生物——DFA-PEG聚酯硫酸酯盐和松香酸封端DFA-PEG聚酯，通过正交试验，对合成的条件进行了优化。

P-toluene sulphonic acid catalyst ; ethanediol ; 1; 4-dioxane synthesis

对甲苯磺酸；催化；乙二醇； 1； 4-二氧六环

The determination of glyoxal and glyoxalic acid in aldehyde solution was performed by high performance liquid chromatography.

利用醛基与2，4-二硝基苯肼反应得到的腙产物对紫外-可见光有吸收的特性，采用高效液相色谱法测定乙醛溶液中乙二醛和乙醛酸的含量。

A proper composition of the plating solution was obtained as follows: copper sulfate 16 g／L,EDTA·2Na 30 g／L,glyoxylic acid 13 g／L,2,2'- bipyridine 10 mg／L.

优化工艺条件：硫酸铜16 g／L，乙二胺四乙酸二钠30 g／L，乙醛酸13 g／L，2，2′-联吡啶10 mg／L，pH 12.5，温度 40℃。

Glyoxylic acid was prepared by reaction of sodium hydroxide surplus with methyl dichloroacetate in methanol solution via neutralization of filtrate with 50 percentage sulfuric acid to pH 2～3 and hydrolyzation after separation of salts.

二氯乙酸甲酯和过量的氢氧化钠在甲醇溶液中反应，滤出氯化钠后，直接加入适量的 5 0 %的硫酸调 pH值为 2～ 3，滤出硫酸钠，蒸馏回收甲醇，水解、浓缩，得到不含乙二醛的 4 0 %乙醛酸溶液。

Ingredients:marine salt,oiea europaea oil,caprylic/capric triglyceride,prunus amygdalus dulcis oil,simmondsia chinensis oil,persea gratissima oil,peg-40 hydro genated gastor oil,silica,dimethicone,tocopheryl acetate,lavandula angustifolia oil,perfume.

主要成分：海盐，橄榄油，辛酸/葵酸三甘油酯，杏仁油，霍霍巴油，鳄梨油，聚乙二醇-40氢化蓖麻油，硅石，聚二甲基硅氧烷，生育酚乙酸酯，薰衣草精油，香精。

Ingredients: Sucrose,Oiea Europaea Oil,Caprylic/Capric Triglyceride,Prunus Amygdalus Dulcis Oil,Simmondsia Chinensis Oil,Persea Gratissima Oil,Peg-40 Hydro Genated Gastor Oil,Silica,Dimethicone,Tocopheryl Acetate,Lavandula Angustifolia Oil,Perfume.

成分：蔗糖，橄榄油，辛酸/葵酸三甘油酯，杏仁油，霍霍巴油，鳄梨油，聚乙二醇-40氢化蓖麻油，硅石，聚二甲基硅氧烷，生育酚乙酸酯，薰衣草精油，香精。

In this paper, it mainly reaearch the gringding aids and mineralizer. The contents are as follows:In this paper, TEA, calcium lignosulphonate, DMF, NF-2, DEG and glycol are used as grinding aids and fly ash is selected for active composite material.

本文主要对水泥助磨剂和矿化剂进行了试验研究，具体内容如下：本文主要选用了三乙醇胺、木质素磺酸钙、DMF、高效减水剂NF—2、二甘醇和乙二醇作为助磨剂，选用粉煤灰作为活性混合材。

THE ADDITION REACTION OF ALKENES AND DIETHYL MALONATE

烯类与丙二酸二乙酯的加成反应

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。