酯

According to molecular design, an inter-molecular-coordination borate eater containing nitrogen as coupling a-gent was synthesized. There are two reactive groups, amino and butoxy in the borate ester molecule.

中文文摘］通过分子结构设计，合成了一种氮-硼内配位结构的硼酸酯偶联剂，解决了硼酸酯水解稳定性差的问题，同时分子结构中含有氨基、丁氧基等活性基团。

Any of three glycerides of butyric acid .

一种苦味油质的丁酸甘油三酸酯，丁酸甘油酯的一种形式。

The catalyst prepared by coprecipitation-impregnation has good catalytic performance of maleic anhydride hydrogenation to γ-butyrolactone.

共沉淀-浸渍法制备的20％CuO-20％SnO〓/Al〓O〓催化剂具有较好的顺酐加氢制γ-丁内酯活性，在280℃，顺酐转化率为94.4％，γ-丁内酯选择性为100.0％。

In this paper isopropyl -γ- chlorobutyrate was prepared from γ- butyrolactone by one - step. The effects of molar ratio of reactants, reaction temperature, reaction time on the yield of product were discussed, the optimum reaction condition was obtained.

一氯代丁酸异雨酯是合成新型拟除虫菊酯中间体环丙烷较酸及高效抗菌新药丙氟见酸和环丙氟院酸中间体环丙胺的重要原料［''］。

For the purpose of research on relationship between liquid crystal phenomena and blood compatibility, the propionic, n-butyric esters of hydroxypropyl cellulose were prepared with hydroxypropyl cellulose and propionyl chloride/ butyryl chloride. The reaction conditions and phase behavior have been studied. The results show that the reaction time, temperature and amount of propionyl chloride have effect on content of propionyl, and the amount of proionyl chlorideis more obvious than the other factors.

液晶态的血液相容性是目前抗凝血材料研究的一个新领域，本文是在一系列液晶态材料血液相容性研究的基础上以羟丙基纤维素和丙酰氯为原料合成羟丙基纤维素丙酸酯和羟丙基纤维素丁酸酯两种液晶高分子化合物，并对其合成条件和相变行为进行了研究，结果表明：反应时间、反应温度和酰氯的用量均对产物中的酰基含量有影响，其中以酰氯用量影响最为明显。

Water Purified, Aloe Vera, Vegetable Glycerin, Hi-olec Canola Oil, Geranium, Stearic Acid, Caprylic/Capric Triglycerides , Cetyl Esters, Camellia Oil, Vitamin C, Vitamin A, Our Proprietary Essential Oil Blend, Our Proprietary Broad Spectrum Preservative System* organic or sustainable

净化水，芦荟，蔬菜甘油，高olec菜籽油，天竺葵，硬脂酸，辛酸/癸甘油三酯，烷基酯，山茶花油，维生素C，维生素A，我们独有的精油配方，我们的专有广谱防腐剂系统*

Ingredients:water,glycerin,capr-ylic/capric triglyceride,cetyl alcohol,prop-ylene glycol,glyceryl stearate,panthenol,betaine,dimethicone,simmondsia chinensis,oiea europaea oil.

成分：去离子水，甘油，辛酸/葵酸三甘油酯，鲸蜡醇，丙二醇，硬脂酸甘油酯，泛醇，甜菜碱，聚二甲基硅氧烷，霍霍巴油，橄榄油。

The by-product including yellow water and ending water in liquor production was used to produce esterifying liquid through the addtion of ending liquor,Daqu,quality aged pit mud,fermented grains,quality edible alochol,caproic acid and esterifying enzyme and yeast for liquor use only etc.

以白酒生产的副产物黄水和尾水，添加酒尾、大曲、优质老窖泥、酒醅、优质食用酒精、己酸、酯化酶和酒用酵母等生产酯化液。

Two kinds of tough curing agents were respectively prepared by using epoxy-oleic methyl ester and epoxy-oleic capryl ester as termination agents of epoxy-amine adduct.

本文选择环氧油酸甲酯和辛酯，分别对环氧树脂—多胺加成物的端胺基进行封端改性，得到了封端改性固化剂G-甲酯和G-辛酯。

Compounds were determined from more than 3 stages, including germacrene D, caryophyllene, phenol, 2, 6-bis (1, 1-dimethylethyl)-4-methyl-,β-elemene,γ-elemene, 1-octanol, 2-butyl-, dibutyl phthalate, cyclohexane, 1-ethenyl-1-methyl-2-(1-methylethenyl)-4(1-methylethylidene)-and butyl caprylate.

其中，3个时期以上能检测到相同的化学成分有9种，分别是大牻牛儿烯D、丁香烯、2，6-二叔丁基－4-甲基苯酚、β-榄香烯、γ-榄香烯、2-丁基－1-辛醇、邻苯二甲酸二丁酯、1-乙烯基－1-甲基－2-（1-甲基乙烯基）－4-（1-甲基亚乙烯基）环己烷和辛酸丁酯。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。