查询词典 esters

This is often slow because of the ink dry, especially the ink system gleyed binders and water or alcohols, esters formulation of organic solvents which lead to the development business card printing and membership card after monlchamus membrane surface matted or forming a fog.

这往往是因水墨干性慢，尤其是该墨体系里水型连结料与介质的水或醇、酯类有机溶剂的配方设计不合理，导致其制卡和会员卡制作后墨膜表面的无光泽或形成灰雾状。

AIM A new process to prepare the glycerides of eicosapentaenoic acid and docosahexenoic acid from purified ethyl esters of EPA and DHA.

目的：用高纯度的二十碳五烯酸乙酯和二十二碳六烯酸乙酯制备EPA、DHA甘油酯的工艺。

Applications of gas chromatography in the research of biodiesel processing are reviewed with 27 references,including the analysis of fatty acid methyl esters in the reaction products and final biodiesel,the determination of mono-, di-and tri- glycerides ,the contents and distribution of free fatty acids,and the determination of trace methanol in biodiesel.

综述了气相色谱法在生物柴油生产工艺研究中的应用，包括反应产物和生物柴油产品中脂肪酸甲酯含量和分布的测定，单脂肪酸甘油酯、二脂肪酸甘油酯和三脂肪酸甘油酯含量的测定，游离脂肪酸含量的测定以及微量甲醇含量的测定等。

With three hydroxyl groups, it can form three types of esters ( mono glycerides, diglycerides, and triglycerides).

有3个羟基，可形成3种酯(甘油单酯、甘油二酯、甘油三酯)，甘油单酯和甘油二酯是常见的食物添加剂。

METHOD Ethyl esters of EPA and DHA could form a homogeneous solution with glycerol by a certain of homogeneous agent such as oleic acid potassium salt,and changed into glycerides of EPA and DHA by transesterification at reaction temperature.

用一定量的均相化试剂如油酸钾能使互不相溶的甘油和EPA乙酯、DHA乙酯形成均相反应溶液，并在120℃就开始发生酯交换反应。

The relative activity of a lipase from Candida valida Z6 was studied in hydrolysis of simple esters,fatty acid glycerides and lipidse.

通过与一种不同来源的脂肪酶作比较，研究了粗状假丝酵母诱变株Z6产脂肪酶水解不同底物的相对酶活，包括对低级酯、脂肪酸甘油酯和天然油脂的水解。

Industrial synthetic oils currently us a variety of base oils, such as PAOs, diesters, polyalkylene glycols, and phosphate esters, among others.

工业合成油目前我们的基础油，如公共事务干事，二酯，聚亚烷基乙二醇，磷酯等，品种。

Soluble in alcohols, glycol ethers, glycols, esters.

溶解于醇，乙二醇醚，二醇，酯。

Metal complex and metallomicelle as model compounds for artificial enzyme have been widely and extensively studied. In this dissertation, a series of homo- and hetero-dinuclear oxamido-bridged complexes have been synthesized, and the catalytic hydrolyses of carboxylic acid esters and phosphate by these complexes have been systematically investigated, and the catalytic mechanisms have also been dissected.

金属配合物及金属胶束作为人工酶的模型化合物受到广泛而深入的研究，本文通过合成一系列的草酰胺桥联同核和异核双核配合物，较为系统地研究了它们催化羧酸酯、磷酸酯水解反应的动力学，探讨了它们的作用机制；同时，本文还探索了将金属胶束这一较为成功的水解酶模拟模型应用于过氧化物酶模拟研究的可行性。

Nd 2O 3 used as solid catalyst for the preparation of nipagin esters with p hydroxybenzoic acid and alcohol has been studied.

研究了以三氧化二钕为固体催化剂，由对羟基苯甲酸和乙醇合成尼泊金乙酯。

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。