Acrylic acid is an important unsaturation organic acid.

丙烯酸系一种重要的不饱和有机酸。

The problems in production of low unsaturation polyether with DMC catalyst were introduced.

介绍了使用DMC催化剂生产低不饱和度聚醚时存在的问题。

The concept and calculation of degrees of unsaturation in organic chemistry are discussed in detail in this paper.

阐述了有机化学中不饱和度的概念，并对其计算作了详尽的介绍。

In addition, the content of unsaturated fatty acids is rich (74.223%), denoting a high degree of unsaturation in fatty acids.

此外，鸡汤中含有较丰富的不饱和脂肪酸，占总脂肪的74.223%，不饱和程度较高。

This paper gives the method of judging the hybridization form of central atomic orbital by unsaturation, applications and its laws.

提出了由分子的“不饱和度”判断中心原子轨道杂化方式的方法、应用及规律。

The increased unsaturation of membrane lipids is only the response to low temperature and has no directly relation to cold hardiness.

而膜脂脂肪酸不饱和度的增加是植物对低温生长的反应，与抗寒性无直接关系。

Based on the energy state of soil moisture content, soil hydrodynamics studies water flow, solute and heat transport in unsaturation soil.

土壤水动力学是以土壤中水分的能态为基础研究非饱和土壤中水分、溶质和热量运移问题的学科。

The results showed that the oxidative stability of fats and oils were effected by the temperature, unsaturation of fatty acid, antioxidant and enhancer.

结果表明，温度的高低，脂肪酸不饱和度，抗氧化剂和增效剂的使用，均与油脂氧化稳定性有着密切的关系。

The essay probes into the relation between the unsaturation and the functional group as well as the influence of the functional group on the organic compound.

前言： 本文探讨了不饱和度与官能团关系以及官能团对有机化合物合成的影响。

Our results showed that silicon promoted the growth of wheat, alleviated peroxidation of membrane lipid, and increased unsaturation of fatty acid in the leaves.

结果显示，施硅促进了小麦的生长；降低了膜脂过氧化程度，提高了叶片类脂脂肪酸的不饱和度。

Conjugated unsaturation of abietic resin acids can be removed through catalytic hydrogenation to overcome the shortcomings of oxidation and color degradation in rosin.

将松香催化加氢可去除枞酸型树脂酸的共轭不饱和性，克服其易于氧化变色的缺点。

The sulfonating reaction was found on the unsaturation bonds of polybutadiene basing on the research of dynamics of the sulfonating action and FTIR analysis of reacted products.

通过研究磺化反应的动力学和对磺化产物的分析测试，提出磺化发生在聚丁二烯的双键上新观点。

The polyether polyols prepared by these DMC catalysts are of low unsaturation, high relative molecular mass, narrow molecular distribution compared with traditional KOH catalysts.

实验发现，用DMC催化剂合成的聚醚与用KOH催化剂合成的聚醚相比不饱和度低，相对分子质量高，相对分子质量分布窄。

The ability of Sunfish amphiphiles to attain a nonbilayer packing is a function of the interplay between the two alkyl chains, determined by their length and presence of unsaturation(s).

Sunfish两亲化合物可以形成非双层结构的堆积，这与两个烷基链间的相互作用有关（这种相互作用由烷基链的长度与不饱和度决定）。

The polyether polyols which has higher molecular weight, narrower molecular weight distribution and lower unsaturation can be prepared by using double metal cyanide (DMC) complex catalysts.

用双金属氰化物(DMC)络合催化剂可制得相对分子质量高、相对分子质量分布窄和不饱和度低的聚醚多元醇。

This invention relates to a new duplex metal cyanide catalyst (DMC) used in synthesizing polyether polyol with high molecular weight and low degree of unsaturation and method for making same.

本发明主要涉及一种用于合成高分子量低不饱和度聚醚多元醇的新型双金属氰化物催化剂(DMC)及其制备方法。

The photocrosslinking process and the amount of residual unsaturation in the cured film were shown to depend primarily on the nature of prepolymer and on the functionality of crosslinking agents.

结果表明，光交联过程及固化膜中剩余双键含量与预聚体的性质及交联剂官能团的性能有关。

To produce micro-biodiesel from microbial oil, transesterification conditions were studied using oil from Rhodotorula glutinis as raw material using unsaturation index of fatty acid (UIFA)as index.

为了开发微生物油脂生产微生物柴油，以胶红酵母油脂为材料，以脂肪酸不饱和指数（UIFA）为指标，探讨了微生物油脂生成脂肪酸甲酯工艺的影响因素。