十八酸

Their friction and wear behaviors as additives in rapeseed oil were evaluated and compared with octadecanoic acid using a four-ball test machine.

以实验室合成的无臭硫化十八酸和硫化廿二酸作添加剂，在四球摩擦磨损试验机上考察了二者对菜籽油摩擦学性能的影响，并同十八酸进行了比较。

The conversion of stearic acid reach 52 % and the selectivity of monoglyceric stearate can reach 96 % under the condition: reaction time 10 h, catalyst loading 5 wt %, reaction temperature 110℃.

反应时间10 h，催化剂用量5 wt%，反应温度110℃，十八酸的转化率为52%，硬脂酸单甘酯的选择性达96 %。

The assemblies of the C60 mixed film and the behenic acid film were made successfully by means of Langmuir-Blodgett technique with BA, arachic acid, stearic acid and octadecanyl amine as the assistant material, and the reorganization of the LB films was directly observed by liquid atomic force microscopy.

利用Langmuir-Blodgett方法，以二十二酸(behenic acid， BA)、二十酸(arachic acid， AA)、十八酸(stearic acid， SA)和十八胺(octadecanyl amine， OA)作为辅助成膜材料，组装了C60复合膜和BA膜，液下原子力显微镜直接对LB膜在水相中的重组进行观察。

Components were identified which represented 85.1% of the total essential oil by the silica gel column separately.Conclusion 10 components were identified which included Bicyclo (6,3,0) undeca-dien-3-one, 5,5-dimethyl ect. of the essential oil from Angelica acutiloba Kitag were analyzed for the first time.

结果超临界CO2萃取物为黄棕色油状物，得率为0.9%，用GC-MS联用技术从中鉴定出亚油酸乙酯、5，5-二甲基-双环（6，3，0）-1，7-十一烯-3-酮等30种成分，占挥发油总含量65.66%；萃取物经硅胶柱色谱分离纯化，从中鉴定出十八酸乙酯等11种成分，占总含量的85.1%。

Components were identified which represented 65.66% of the total essential oil includding 9.12-octadecadienoic acid, ethyl ester and ect. 11 components were identified which represented 85.1% of the total essential oil by the silica gel column separately.conclusion 10 components were identified which included bicyclo (6,3,0) undeca-dien-3-one, 5,5-dimethyl ect.

结果超临界co2萃取物为黄棕色油状物，得率为0.9%，用gc-ms联用技术从中鉴定出亚油酸乙酯、5，5-二甲基-双环（6，3，0）-1，7-十一烯-3-酮等30种成分，占挥发油总含量65.66%；萃取物经硅胶柱色谱分离纯化，从中鉴定出十八酸乙酯等11种成分，占总含量的85.1%。

Professional sales companies operating bromide products: sodium bromide, sodium bromide, potassium bromide, potassium bromate, Tetrabromobisphenol A, Deca-BDE, ten PBDEs, DBDPE, hexabromodiphenyl Central dodecane, dibromo neopentyl glycol, neopentyl bromide three alcohols, three bromine phenol, octabromodiphenyl ether, brominated polystyrene, bromide, calcium bromide, dibromo succinic acid, dibromo-D ene glycol, bromide surfactants series: Dodecyl trimethyl ammonium bromide, tetradecyl trimethyl ammonium bromide, cetyltrimethyl ammonium bromide, octadecyl trimethyl ammonium bromide dodecyl trimethyl ammonium chloride, tetradecyl trimethyl ammonium chloride, cetyl trimethyl ammonium chloride, octadecyl trimethyl ammonium chloride, tetrabutyl ammonium bromide wholesale sales: dimethylolpropionic acid, DL-malic acid, isophthalic acid PIA, glycolic acid, adipic acid.

公司专业经营销售溴化物系列产品：溴化钠、溴酸钠、溴化钾、溴酸钾、四溴双酚A、十溴二苯醚、十溴联苯醚、十溴二苯乙烷、六溴环十二烷、二溴新戊二醇、三溴新戊醇、三溴苯酚、八溴醚、溴化聚苯乙烯、溴化铵、溴化钙、二溴丁二酸、二溴丁烯二醇、溴化表面活性剂系列：十二烷基三甲基溴化铵、十四烷基三甲基溴化铵、十六烷基三甲基溴化铵、十八烷基三甲基溴化铵、十二烷基三甲基氯化铵、十四烷基三甲基氯化铵、十六烷基三甲基氯化铵、十八烷基三甲基氯化铵、四丁基溴化铵批发销售：二羟甲基丙酸、DL-苹果酸、间苯二甲酸 PIA、羟基乙酸、己二酸。

Result 16 kinds of fatty acids were separated from Anak chicken muscle and identified. Among them, 7 kinds fatty acids, including lauric acid, myristic acid, pen-tadecanoic acid, palmitic acid, margaric acid, stearic acid and eicosanoic acid, were saturated fatty acids and its content accounted for 38.55% of the total fatty acids; 9 kinds fatty acids, including 11-teteadecenoic acid, 9-hexadecenoic acid, 9-vaccenic acid, 9,12-octadecadienoic acid, 6,9,12-octadeca-trienoic acid, 11-eicosenoic acid, 10, l3-eicosenoic acid, 7,10, 13-eicosatriennoic acid and 5,8,11,14-arachidonic acid, were unsaturated fatty acids, and its content accounted for 61.45% of the total fatty acids.

结果］安卡鸡肌肉中共分离和鉴定出16种脂肪酸，其中饱和脂肪酸7种，包括月桂酸、豆蔻酸、十五烷酸、棕榈酸、十七烷酸、硬脂酸和花生酸，其含量占总脂肪酸的38.55%；不饱和脂肪酸9种，包括11-十四碳烯酸、9-十六碳烯酸、9-十八碳烯酸、9，12-十八碳二烯酸、6，9，12-十八碳三烯酸、11-二十碳烯酸、10，13-二十碳二烯酸、7，10，13-二十碳三烯酸以及5，8，11，14-二十碳四烯酸，共含量占总脂肪酸的61.45%。

The proliferation effects of standard materials were investigated by MTT method and flow cytometry. Cholesterol myristate and palmitic acid methyl ester showed proliferation bioactivity while stearic acid showed inhibition effect.

对标准品也采用了MTT法和流式细胞仪研究了它们对rMSCs的增殖作用，结果表明十四酸甾醇酯和十六酸甲酯具有促进rMSCs增殖的作用，而十八酸具有抑制作用。

In the case of n-propyl alcohol addition, the molar percent of unsaturated eicosly acids increased, unsaturated octadecyl acids reduced.

在添加正丙醇后，膜脂中不饱和二十酸的摩尔百分含量增加，不饱和十八酸的摩尔百分含量下降。

Among the five oily ingredients tested, C16~18 fatty alcohol can well facilitate the formation of liquid crystal; polar materials PPG-15 stearyl ether and stearic acid are not favorable for the formation of liquid crystal, while non-polar material white oil shows no effect on the formation of liquid crystal.

在所研究的五种油质原料中，十六~十八醇可以很好的促进液晶结构的形成；极性的 PPG-15硬脂醚与十八酸不利于液晶的形成；而非极性的白油则不影响体系液晶结构的形成。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了