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十七酸酯

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A salt or ester of fulminic acid .

十七烷酸的一种甘油酯。

Glyceryl isostearate 1 a glyceryl ester of margaric acid .

十七烷酸的一种甘油酯。

Salt or ester of nitrous acid.

十七烷酸的一种甘油酯。

Seven compounds have been isolated from hard coral Acropora pulchra. These compounds are:pentadecoic acid, heptadecyl ester;(2)n-cetanol;(3)batyl alcohol;(4) N- [ 1 --2-hydroxyl--3,7-heptad-ecadienal] -hexadecanamide;(5)1 -0-hexanoyl-glycerol ester;(6)thymine;(7)uracil. Their structures were determined by IR, MS, HNMR, 13CNMR analysis.

从北海佳丽鹿角珊瑚Acropora pulchra乙醇提取液的乙酸乙酯部分分离出七个化合物,经IR、MS、~1HNMR、~(13)CNMR等波谱方法鉴定,其结构分别为:(1)十五酸十七酯,(2)正十六碳醇,(3)鲨肝醇,(4)N-1-羟基甲基-2-羟基—-3,7-十七碳二烯基十六酸酰胺,(5)1-正十六酸甘油酯,(6)胸腺嘧啶,(7)尿嘧啶。

A salt or ester of benzoic acid .

十七烷酸的一种甘油酯。

The cannas natural antistaling agent is separated by column separation methods and recrystallization. Fraction Ⅱ-2 is analyzed by GC-MS. Three compounds which are n-Octadecane, n- Heptacosane and Decanoic acid heptyl ester were identified.A new way of litchi preservation is provided in this paper.

本论文还对此美人蕉天然保鲜剂进行了分离研究,先对其乙醇提取物进行柱层析粗分,然后对组分Ⅱ进一步细分,对其中的组分Ⅱ-2进行了GC-MS分析,鉴定出3个物质,它们分别是正十八烷(n-Octadecane)、正二十七烷(n-Heptacosane)和癸酸庚酯。

The main components were myristic acid (19.37%), palmitic acid methyl ester(7.56%), lascorbic acid 2,6dihexadecanoate(6.27%), 8,11octadecadienoicacid methyl ester(5.22%), heptadecane(4.82%), lauryl ethoxylate(2.98%), 2isopropyl5methyl1heptanol (2.62%), tetracosanoic acid methyl ester(2.12%),2ethyl2methyltridecanol (2.08%), et al.

其化学成分主要为肉豆蔻酸(19.37%),棕榈酸甲酯(7.56%),2,6十六烷基1抗坏血酸酯(6.27%),8,11十八碳二烯酸甲酯(5.22%),十七烷(4.82%),十二烷基乙氧基醚(2.98%),2异丙基5甲基1庚醇(2.62%),二十四烷酸甲酯(2.12%),2乙基2甲基十三醇(2.08%)等。

SM6 and SM7 of uncrystal were analyzed through GC-MS, the results showedthat SM6 main contained unsaturated fatty aldehyde with fragrance, i.e.-2,4-decadienal(58%), tetradecanoic acid (55.78%), 2-decenal(50%), Phthalic acid isobutylundecyl ester(47%), 2, 4-Decadienal(41%), 2-Undecenal (31%), 2-Methyl-Z,Z-3, 13-octadecadi-enol(18.84%), and SM7 contained saturation alkanes, i.e. 1, 2-Benzenedicarboxylic acid, butyl cyclohexyl ester(23.90%), Triacontane(22.63%),Nonacosane(21.04%), Heptadecane(18.84%), Octacosane(13.58%). Toxicological experiments were done to insure the pigment safety.

并对紫红丝膜菌色素非晶体部分的黄色油状物SM6和紫色粉末物SM7作了GC-MS分析,结果显示SM6中主要为具有香气成分的不饱和脂肪醛,其中含量较高的依次为:-2,4-癸二烯醛(58%)、十四烷酸(55.78%)、2-癸烯醛(50%)、邻苯二甲酸异丁基十一烷酯(47%)、2,4-癸二烯(41%)、2-十一碳烯醛(31%)、2-甲基-Z,Z-3,13-十八碳二烯酸(18.45%)等;SM7中主要为饱和直链烷烃,其中含量较高的依次为:1,2-苯二羧酸丁基环己酯(23.90%)、三十烷(22.63%)、二十九烷(21.04%)、十七烷(18.84%)、二十八烷(13.58%)。

A glyceryl ester of margaric acid.

十七烷酸的一种甘油酯。

Our study show that 9, 11-Octadecadienoic acid, methyl ester is the highest content of organic acid ester components in non-hydrocarbon fraction, higher content of 6-Octadecenoic acid, methyl ester reflects mainly terristrial source input, higher content of pentadecane acid, 14-methyl, methyl ester or Heptadeeanoic acid, 16-methyl, methyl ester shows mainly aquatic source input.

原油和岩石抽提物非烃中有机酸酯类化合物的有机地球化学研究报道很少,系统研究发现非烃有机酸酯中9,11-十八二烯酸甲酯含量最高,而次高峰的丰度可用作生源判识,陆源母质输入多的样品次高峰为6-十八单烯酸甲酯,水生母质供给多者次高峰为14-甲基十五烷酸甲酯或16-甲基十七烷酸甲酯。

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随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。