脂肪酮

以豆腐果苷为原料，通过Mannich反应与取代苯胺和脂肪酮共合成了七个豆腐果苷衍生物，均未见文献报道。

Seven novel helicid derivatives have been designed and synthesized by the Mannich reaction of helicid with substituted aniline and aliphatic ketone .

在相同反应条件下，我们也试验了配体4f催化苯乙炔对脂肪酮（isopropylmethylketone，异丙基甲酮）的加成效果，可以得到54%ee值，产率可达到80%。

Used 4f as ligands , the ee values were up to 90 % while yields up to 90 % were obtained . Under the same conditions , we also used ligands 4f in the addition of phenylacetylene to the aliphatic ketone : isopropyl methyl ketone .

本文利用自编的成键轨道线性组合分子轨道法计算程序对四个C6脂肪酮的C&C骨架键断裂几率进行理论计算。

A self-edited LCBO-MO calculated program has been used for the calculation of cleavage probabilities of skeleton C-C bonds in four C6 aliphatic ketones . The probable fragments of the ketones are predicted .

吲哚与脂肪酮和芳香酮给出中等程度的产率。

Aliphatic ketones and aromatic ketones show sluggish the reactions and gave moderate yields .

该催化剂适用于各种脂肪酮、芳香酮、杂环酮和位阻酮。

This approach covers the substrate range of aliphatic , aromatic , heterocyclic and steric hindrance ketones .

计算结果表明，脂肪酮燃烧热和生成热计算值与实验值的一致性令人满意。

The results calculated show that the predicted values of heat of combustion and heat of formation agree satisfactorily with the experimental values .

本文用图论方法探讨了气态脂肪酮的燃烧热和生成热与分子结构的关系，提出了一个结构基础明确的定量关系。

Based on the characteristics of molecular structure , the relationship between heat of combustion , heat of formation of aliphatic ketone and its molecular structure is studied with the graph theory .

基于有机概念图，探索脂肪醛酮化合物的有机性无机性比值OI与其沸点bp之间的相关性，结果令人满意。

Based on organic concept drawing , a research is conducted in search of the relativity on the ratio of the lipophilicity to the hydrophilicity OI and boiling point of aliphatic compounds , and the result is satisfactory .

脂肪醛酮结构参数与其物理性质的相关性

Correlativity between physical properties of aliphatic aldehydes and alkones and structural parameters

为预测脂肪醛酮热容、沸点、临界温度和临界体积提供了有效的办法。

Therefore , an effective method to forecast heat capacity , boiling point , critical temperature and critical volume of aliphatic aldehydes and alkones is provided .

实验研究结果表明，反应底物脂肪环酮的环的大小以及脂肪支链酮的链长等因素都会对反应结果产生一定的影响。

The experiment results demonstrated that not only the reactivity of activated nitrile , but also the ring size of the aliphatic cyclic ketone and the chain length of the aliphatic branched chain ketone could influence the yield .

此外，两种生物油都含有一定量的含氮化合物以及很少量的烃类、糖类和脂肪醇/酮。

In addition , the two bio-oils contained a certain amount of nitrogen compounds and small quantities of hydrocarbons , carbohydrates and fatty alcohols / ketones .

定义了新的价连接性指数mJ，并用于脂肪酯、脂肪酮等有机污染物的QSARQSPR研究。

The novel valance connectivity index () ~ mJ was defines for studying on QSAR / QSPR of organic pollutions .

以脂肪胺、芳香酮和甲醛为主要原料，室内合成了母体缓蚀剂MNX，与四种增效剂（PA、XI、YCl和ZCl）进行了复配，制备出了高温酸化缓蚀剂YSH-05。

Inhibitor MNX was synthesized using amine , ketone and aldehyde . Corrosion inhibitor YSH-05 for high-temperature acidification was prepared by combining inhibitor MNX and four synergistic agents ( PA , XI , YCl and ZCl ) .

淀粉酶和脂肪酶分析仪脂肪醛和脂肪酮凝聚型性能与分子结构的关系

Relationship Between Cohesive Properties and Molecular Structure for Aliphatic Aldehydes and Aliphatic Ketones

新的价连接性指数与脂肪酯、脂肪酮的溶解度及疏水参数的预测

Prediction of aqueous solubility , hydrophobic parameter for esters and ketones with novel valence connectivity index

非酯化脂肪酸（NEFA）升高是围产期奶牛能量负平衡的标志，也是导致奶牛发生脂肪肝和酮病的直接原因。

Increase in nonesterified fatty acids ( NEFA ), the mark of negative energy balance ( NEB ) in periparturient dairy cows , is the direct cause that leads to fat liver as well as ketosis .