Its recent development is reviewed in this article with an emphasis on the selective hydrogenation of α,β-unsaturated aldehydes that can produce unsaturated alcohols under the optimal operation parameters and catalysts.
α,β-不饱和醛经加氢还原可以得到饱和醛、不饱和醇以及饱和醇等多种产物。
Mechanism of unsaturated fatty acids influencing plasminogen activator inhibitor-1 expression in HepG-2 cells;
不饱和脂肪酸影响HepG-2细胞PAI-1表达的机制初探
Clinical Study of Nutritive Value on Premature Infant Fed Long chain Polyunsaturated Fatty Acids Enrichment Formula;
强化长链不饱和脂肪酸配方奶应用于早产儿营养价值的临床研究
Results The percentage of fatty acids(C16:0,C18:0,C18:1,C20:0 and C20:1),saturated fatty acid(SFA),monounsaturated fatty acid (MUFA)and n-6/n-3 polyuns.
结果2型糖尿病组C16:0、C18:0、C18:1、C20:0、C20:2n-6、C20:1、饱和脂肪酸(SFA)、单不饱和脂肪酸(MUFA)、n-6/n-3显著高于健康对照组(P<0。
A general empiric formula which is used to correlate physicochemical properties with 0M, 1M of unsaturated hydrocarbons ( containing alkene, alkyne and alkyl benzene) is proposed as follows; p= a+b0M + c1M, where p stands for physicochemical property of a unsaturated h.
5),并以此为参数研究了不饱和烃(包括烯烃、炔烃、烷基苯)的标准生成焓、标准生成吉布斯能、标准规定熵等一系列的理化性质,提出了一个通用的关系式:p=a+b~0M+c~1M。
The paper calculates J and S_j~(max)indices of unstaturated hydrocarbons such as alkenes,alkynes and alkyl benzenes,and stud-ies correlativity and selectivity with topological indices and the physico-chemical properties of unsaturated hydrocarbons.
计算了不饱和烃(烯烃、炔烃、烷基苯)的 J 指数,并结合最大距离度 S_j~(max)研究了 J 指数分别与不饱和烃的ΔH_[f(g)]~0、S_(g)~0、ΔG_[f(g)]~0、ω、t_b 等一系列分子理化性质之间的相关性和选择性,用计算机回归方法构建了计算不饱和烃的不同理化性质的最优经验公式,结果显示,其相关性和选择性均优于文献。
Some properties of unsaturated hydrocarbons have been investigated with topological methods in this study.
定义并分别求算了不饱和烃(烯烃、炔烃、烷基苯)的价键连通性指数和价键信息拓扑指数,将拓扑指数分别与这些物质的标准生成热、标准熵、标准生成自由能等一系列理化性质相关联,用计算机回归方法确定了不同性质的最佳函数形式。