甘油酯

The activity coefficient of main composition (i.e., methanol) is around 1.The kinetics of transesterification of triolein with methanol catalyzed by K/KOH/γ-Al_2O_3 was studied under the optimized reaction conditions.

以K/KOH/γ-Al_2O_3作催化剂，在优化的反应条件下对三油酸甘油酯与甲醇的反应体系进行了动力学研究，建立了以表面反应为控制步骤的动力学模型。

Aim To prepare triamcinolone-acetonide-acetate-loaded solid lipid nanoparticles carbomer gel with tripalmitin glyceride, and investigate their characteristics and transdermal drug delivery.

目的以醋酸曲安奈德为模型药物，以三棕榈酸甘油酯为脂质材料制备醋酸曲安奈德固体脂质纳米粒卡波姆凝胶，考察其特性以及药物经皮渗透性能。

Step procedure. Firstly, glycidyl rnethacrylate was photo梘rafted onto the surface of PVC without degassing. An activated surface with active epoxy groups was formed. The grafted polymer can also act as the spacer between heparin and PVC; Secondly, heparin is attached to the grafted surface through its functional groups reacted with the epoxy groups.

第一步，通过紫外光接枝反应将甲基丙烯酸缩水甘油酯接枝到PVC材料表面，接枝链作为肝素和聚氯乙烯材料之间连接的间隔基，同时也得到了带有环氧基团的反应性表面；第二步，通过肝素分子所带功能基团与PVC材料接枝表面上的环氧基之间的反应将肝素共价键合到PVC材料表面。

Objective To prepare sustained-release capsules of cinnamon oil with stearic acid, polyethylene glycol 6000 and gluceryl monostearate.

目的 以硬脂酸、聚乙二醇6000和单硬脂酸甘油酯为辅料，制备肉桂油缓释胶囊。

The influence of saturated FAMEs on LTFPs of BDF was investigated by changing the distribution of saturated FAMEs in the BDF from rapeseed oil. The influence of five cold-flow additives, methanol, water, glyceride, NO.0 diesel fuel(DF0), NO.-20 diesel fuel(DF-20) and ethanol on LTFPs and viscosityof methyl esters from soybean oiland rapeseed oil was researched.

研究了5种降凝剂以及共存物(如脂肪酸甘油酯、甲醇和水)对大豆油和菜籽油生物柴油低温流动性能以及黏度的影响；测定了与我国0号、-20号柴油以及乙醇调和后，生物柴油的低温流动性能和黏度；考察了降凝剂对调和油(20%菜籽油生物柴油与80% 0号或-20号柴油)低温流动性能和黏度的影响。

Chinensis by the methods of column chromatography (normal and reversed phase silica gel, Sephadex LH-20), preparative TLC and HPLC. On the basis of spectroscopic methods including IR, ESI-MS, 1-D and 2-D NMR, forty eight of them were identified as seventeen flavonoids, seventeen tritepenoids, one cumarin, five steroids and some benzene derivative etc.

中药射干为射干植物的干燥根茎，从中共分离出53个化合物，通过红外、质谱及核磁共振等波谱方法鉴定了包括12个新化合物在内的48个，结构类型分别属于iridal型三萜及其新颖的二聚体、异黄酮、黄酮及黄酮醇、香豆素、甾体、芳香酸和脂肪酸及其甘油酯等。

Fresh fats contain glycerides of fatty acids and very little free acid.

新鲜脂肪包含脂肪酸的甘油酯和极少量的自由酸。

The average relative molecular weight of its glycerides and free fatty acids were 846.839 and 269.609, respectively.

甘油酯的平均相对分子量为846.839；游离脂肪酸平均相对分子量为269.609，含量为2.602%。

The glycerides may have only a few different component fatty acids or as many as 100.

甘油酯可能只含有少量脂肪酸，也可能多至一百种。

One option could be the exploitation of carbohydrate-based microorganism grease a,s it consists of similar fatty acids to that of plant oila,nd some organisms may also produce glycerides with high content of poly-unsatu-rated fatty acids.

微生物油脂主要是微生物利用碳水化合物合成的甘油酯，其脂肪酸组成和植物油相近，有的还含有较丰富的多不饱和脂肪酸，具有广阔的开发应用前景。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。