十二醇
- 与 十二醇 相关的网络例句 [注:此内容来源于网络,仅供参考]
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They were eucalyptol, bicyclo[2.2.1]heptan-2-one,1,7,7-trimethyl-,(1R)-, borneol, 1-methyl-2-(1-methyl ethenyl)-(1R-cis)-cyclobutaneethanol, limonene, 1-hydroxymethyl-7,7-dimethy lbicyclo[2.2.1]heptan-2-one,-spathulenol, 3,7,11,15-Tetramethyl-2-hexadecen-1-ol, isocitronellol,-9-Octadecenoic acid, heneicosane, respectively.
阿给中共有11个阿给炭没有检测出的成分,包括桉油精、D-樟脑、冰片、(1R-cis)- 1-甲基-2-(1-甲基乙烯基)环丁基乙醇、二戊烯、1-羟甲基-7,7-二甲基-双环[2.2.1]庚-2-酮、-匙叶桉油烯醇、3,7,11,15-四甲基-2-十六碳烯-1-醇、异香茅醇、-9-十八碳烯酸和廿一烷。
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Then esterification of 3, 7-dimethyl-2-pentadecanol with acetic anhydride, the active component of sex pheromone of pine sawfly, 3, 7-dimethyl2-pentadecanyl acetate was obtained in 83. 4% yield.
最后,用乙酸酐对3,7-二甲基-2-十五碳醇进行酯化,得到松叶蜂性信息素的活性组分--3,7-二甲基-2-十五碳醇乙酸酯,收率为83.4%。
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Rice bran wax to fatty acids and senior wax mainly composed of alcohol, fatty acids are palmitic acid (C16), Gan II acid (C22), wood wax acid (C24), wax acid [26 acid] (C26) and other major components of wax alcohols have wax alcohol (C26), different serine alcohol wax, beeswax alcohol (C30), etc.; also contains alcohol to beeswax (C30), wax alcohol, alcohol wax for different serine The main constituents of unsaponifiable matter and a number of free acid mainly palmitic acid is brown, trace of alcohols, 30, such as carbon six elemene liposome.
米糠蜡以脂肪酸和高级蜡醇为主要成分,脂肪酸中有棕榈酸(C16)、甘二烷酸(C22)、木蜡酸(C24)、蜡酸(C26)等主要蜡醇成分中有蜡醇(C26)、异丝氨酸蜡醇、蜂蜡醇(C30)等;另外还含有以蜂蜡醇(C30)、蜡醇、异丝氨酸蜡醇为主要成分的不皂化物及若干游离酸(主要是棕是棕榈酸、微量醇类、三十碳六烯脂质等。
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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。
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R-4-Methyl-δ-valerolactone was transformed into-methyl 5-bromo-4-methylpentanoate (5) which is a stable and easily reserved reagent.
首次利用甾体皂甙元氧化降解废弃物-4-甲基-δ-戊内酯合成了松叶蜂性信息素(25,3S,7S)-3,7-二甲基-2-十五醇乙酸酯(2)和丙酸酯(3)。
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And the morphologies of lead tungstate crystal were different when different surfactants of polygycol 200 and cetyltrimethyl ammonium bromide were added in the experiments.
以钨酸钠和醋酸铅为原料,分别加以表面活性剂聚乙二醇200和十六烷基三甲苯溴化铵,用沉淀法合成出钨酸铅纳米晶和菱形微晶。
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Little literature on the aspect of surfactants containing boron with long-carbon chain alkyls had been found.Using diethanolamine, boric acid, hexadecanol as starting materials, after a series of reaction such as vapour phase process bromizating, esterifying, alkylating, a new type of surfactants with boron RNB had been obtained. The structures of the compounds had been identified by elemental analysis, IR and HNMR.
本论文采用二乙醇胺、硼酸、十六醇等为主要原料,经气相法溴化、酯化、烷基化等一系列反应合成了一种新型含硼表面活性剂RNB,并通过元素分析、红外、核磁对其结构进行了确认。
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The influence of microemulsion types on resolving power of Eucommia flavonoids was investigated with SDS/n-C4H9OH/n-C7H16/H2O microemulsion as developer on polyamide film.
以十二烷基硫酸钠-正丁醇-正庚烷-水微乳液作为展开剂,通过聚酞胺薄层色谱,研究了微乳液类型对杜仲黄酮分辨率的影响。
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Surfactant p-octyl polyethylene glycol phenyl ether (Triton X-100) or cetyltrimethylammonium bromide was mixed with n-hexane, n-hexanol, and water for preparing reverse microemulsion.
分别以聚乙二醇辛基苯基醚(Triton X-100)或十六烷基三甲基溴化铵为表面活性剂,与正己烷、正己醇和水构成反相微乳液。
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It is made generally with mixed salt of triethanolamine and ammonium hydroxide, twelve-acid isopropyl alcohol amides, for malde-hyde, polyvinyl chloride, wool oil, spice, pigment and water as raw materials.
一般采用硫酸脂肪醇的乙三醇胺与氢氧化胺的混合盐、十二酸异丙醇酰胺、甲醛、聚氧乙烯、羊毛脂、香料、色料和水作为原料。
- 推荐网络例句
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The objective is to subjugate and discourage the people, because that allows the elite to continue to rule unopposed.
其目的是压制和打击人民的积极性,因为这可以让实权派继续统治不会沦为反对派。
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GOD,this is the second time you vanquished me!
天啊,这是第二次你打败了我!
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So a kind of strong antagonism permeated in the relations of two countries.
所以两国这一时期的政治关系始终弥漫着一种强烈的对抗情绪。