硬脂酸

Except for measuring the yields and comparing the experimental conditions, the article also confirmed the accurate composition of product biodiesel, and results indicated that the biodiesel made by oil and fat mainly consists of Oleicacid methyl ester, Linoleic acid methyl ester, Hexadecanoic acid methyl ester, Octadecanoic acid methyl ester and some other acid methyl ester.

结果表明油脂制的生物柴油主要是油酸甲酯、棕榈酸甲酯、亚油酸甲酯、硬脂酸甲酯和癸酸甲酯的混合脂肪酸甲酯。

He fatty acid composition of grass carp was analyzed using GS-MS and more than 18 fatty acids were identified, including hexadecanoic acid, 9-hexadecenoic acid, 9-octadecenoic acid, 6,9-octadecadienoic acid, 9,12,15-octadecatrienoic acid, octadecanoic acid, 5,8,11,14-eicosatetraenoic acid, 4,7,10,13,16,19-docosahexaenoic acid, 5,8,11,14,17-eicosapentaenoic acid, pentadecanoic acid, heptadecanoic acid, and 5,8,11-heptadecatrienoic acid. There were some fatty acids with odd carbon atoms besides the fatty acids with even carbon atoms common in animals and plants.

P能改善蛋白质的乳化性和凝胶性。3、利用GC-MS对草鱼鱼肉中的脂肪酸进行分析，鉴定出草鱼中含有棕榈酸、十六碳烯酸、油酸、亚油酸、亚麻酸、硬脂酸、花生四烯酸、DHA、EPA、十五烷酸、十七烷酸、十七碳三烯酸等十八种以上脂肪酸，除含有动植物中常见的偶数碳脂肪酸外，还含有一定量的奇数碳脂肪酸。

ConclusionThe main components of essential oils are 2,4-bis(1,1-dimethylethyl) phenol (4.4%), tetradecanoic acid (6.96%), n-hexadecanoic acid (7.69%), 9,12-cctadecadienoic acid (6.37%), hexadecanoic acid-2-hydroxy-1- ethyl ester (4.79%) and octadecanoic acid-2-hydroxy-1- ethyl ester (4.77%), respectively.

结论阿给炭挥发油的主要成分为2，4-二树丁基苯酚（4.4％）、十四酸（6.96％）、n-十六酸（7.69％）、-9，12-十八碳二烯酸（6.37％）、软脂酸-2-羟基-1-羟甲基乙酯（4.79％）、硬脂酸-2-羟基-1-羟甲基乙酯（4.77％）。

Hexadecanoic acid,stearic acid,oleic acid,linoleic acid and linolenic acid from soybean salad oil have been quantitatively analyzed by using gas chromatograph combined with,Heated-filament pyrolyzer and Curie-Point pyrolyzer.

方法采用气相色谱仪，FID检测器，FFAP毛细柱，热丝型裂解器及居里点裂解器，对大豆色拉油的五种主要组分：软脂酸，硬脂酸，油酸，亚油酸，亚麻酸进行了定量分析。

By adding appropriate copper stearated, melamine, the PVC U products have excellent properties of pulverization preventing and ageing resistance such as inoxidizable, uvioresistant, weatherproof, ageing resistant properties, and excellent heat stabilization.

在户外用PVC U型材配方中加入适量的硬脂酸铜和蜜胺，既可防止PVC U表面的粉化现象，同时又能抑制其耐热老化性能的降低。

VPO catalyst precursor is prepared by adding sodium laurate,oleic acid,stearic acid and Tween 60 to study the effect of biosurface- active materials on the structure and properties of VPO catalyst precursor.

为了探讨生物表面活性物质对VPO催化剂前驱体结构和性能的影响，制备了月桂酸钠、油酸、硬脂酸和吐温60四种物质存在下的VPO 催化剂前驱体。

Lauric acid, stearic acid, oleic, rapic acid affection the quality of lipopeptide is also studied.

对由月桂酸、油酸、硬脂酸、菜籽油脂肪酸为原料合成的脂肽性能做了对比研究。

The nutritional composition of six kinds of seed which belong to Labiatae plants have been studied,the results showed:the contents of fatty oil in the seeds was abundant and the contents of unsaturated fatty acid were rich,its unsaturated fatty acid in these kinds of seed oil reached 90% all.the main constituents of fatty acids were:α-Linoleni acid,linolic acid,oleic acid,arachidonic acid palmitic acid and stearic acid.

对六种唇形科植物种子营养成分研究的结果表明：种子含有丰富的脂肪油，其不饱和脂肪酸总量均在 90 %以上。种子油的主要成分为：α亚麻酸、亚油酸、油酸、花生烯酸、棕榈酸和硬脂酸等成分。

Saturated fatty acids in the two genotype pigs mainly included stearic acid and palmitinic acid. But unsaturated fatty acids mainly included oleinic acid、linolic acid and palmitoleic acid.

荣昌猪和DLY猪肌内脂肪酸组成中饱和脂肪酸主要为硬脂酸和棕榈酸，不饱和脂肪酸主要为油酸、亚油酸和棕榈油酸，其它脂肪酸则较少。

As we known, fatty acid mainly composed of palmitic acid（6-8%）, stearic acid（1-2%）, oleic acid（7-10%）, linolic acid（60-70%） and -Linolenic acid（7-10%）.

脂肪酸主要是棕榈酸（6-8%）、硬脂酸（1-2%）、油酸（7-10%）、亚油酸（60-70%）和—亚麻酸7-10%组成。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。