环二酯

Amphiphilic graft copolymers were synthesized by the copolymerization of polyoxyethylene macromer with butyl acrylate and methyl methacrylate in benzene using azobisisobutyronitrile as initiator.

以偶氮二异丁腈为引发剂，将大单体聚环氧乙烷与小单体丙烯酸丁酯、甲基丙烯酸甲酯在苯溶液中进行共聚，合成了两亲性接枝共聚物。

The macromer cationically copolymerized with tetrahydrofuran to give a copolyether grafted with PEG chain. Using copolyether with about 1.3grafts per molecule, the S-PEU with PEG grafted onto soft segments was synthesized.

以四氢呋喃与少量大分子单体进行正离子开环共聚合制得每个链接有约1.3个PEG枝的聚丁二醇，用以合成了在软链段上接有PEG枝的聚醚氨酯。

Three methods for the preparation of 1,2,4-trizolone~5 are provided. 22 compounds are prepared. 3, 4-disubstituted 1,2,4-trizolone-5 is prepared by reacting amide with ethyl hydrazine-fornate at 110癈 for 3h in the presence of phosphorus oxychloride, following neutralization and cyclization reaction, giving to 74.5 % yields,which is 30% more than the literature value.

以三氯氧磷为缩合剂，使酰胺和肼基甲酸乙酯在110℃反应3h，经碱中和、环化反应，合成3，4-二取代-1，2，4-三唑酮-5，两步反应总产率达74.5％，与文献报道值相比，高出了30％以上，在三唑酮类衍生物的合成方法中具有很大的突破性。

Ingredients: olive extract,whitening factor,squalane, caprylic/decanoic acid glycerol ester, methyl silicone oil, dimethyl silicone oil, rrimethylglycine, xanthane.

成分：橄榄提取液，美白因子，合成角鲨烷，辛酸癸酸甘油酯，环甲基硅油，二甲基硅油，三甲基甘氨酸，汉生胶。

Ingredients: lemon extract, honey,whitening factor, squalane, caprylic,decanoic acid glycerol ester, methyl silicone oil, dimethyl silicone oil, rrimethylglycine, xanthane

成分：柠檬提取液，蜂蜜，美白因子，合成角鲨烷，辛酸癸酸甘油酯，环甲基硅油，二甲基硅油，三甲基甘氨酸，汉生胶

Ingredients: shea butter extract,whitening factor, moisturizing factor,squalane, caprylic/decanoic acid glycerol ester, methyl silicone oil, dimethyl silicone oil, rrimethylglycine, xanthane.

成分：乳木果提取液，美白因子，保湿因子，合成角鲨烷，辛酸癸酸甘油酯，环甲基硅油，二甲基硅油，三甲基甘氨酸，汉生胶。

The esterification reaction and itsinfluencing factors of hexanoic acid with n-butanol, catalyzed by lipaseNovozym100T, were studied in water-in-oil microemulsions formed by alkylpolyglucoside C_(12)G_(1.50)/n-butanol/cyclohexane/water system.

研究发现，十二烷基聚葡糖苷C_(12G_(1.50)／正丁醇／环己烷／H_2O体系形成的油包水微乳液中，脂肪酶Novozym100T催化正己酸和正丁醇的酯合成反应，反应初始速率V_0随正己酸的初始浓度C_~0增大而增大；随正丁醇的初始浓度C_~0的增大而减小，后V_0进入一&坪区&。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。