terpene

['tɜ:pi:n]['tɜ:pi:n]

n.萜烯,萜(烃)

  • Objective : To detect the total flavonol glycosides and terpene lactones in Xinghong particles .

    目的:测定复方杏红颗粒中的总黄酮醇苷和 内酯的含量。

  • Terpene - Maleic resins based on turpentine have wide usage in different industry department .

    以松节油为基础的 萜烯马来树脂在各种不同的部门得到广泛的应用。

  • Investigating the property of hydrolysate of domestic lac resin and based on the property differences between the salts of long chain aliphatic and terpene acids aleuritic acid and shellolic acid were isolated .

    研究了国产紫胶树脂水解物的性质,利用长链脂肪酸及环状 萜烯酸某些盐类性质的差异,分离得到了紫胶桐酸和壳脑酸。

  • The chemical ionization ( CI ) mass spectra of a series of terpene functional group positional isomers and stereoisomers have been studied using ammonia and isobutane as reagent gases .

    本文研究了一系列 官能团位置异构体和立体异构体的氨及异丁烷化学电离质谱;

  • The review focuses on the different catalysts and craft on the hydrogenation of the major terpene : pinene dipentene citronellal citral geraniol etc over catalysts and craft .

    主要介绍蒎烯、双戊烯、香茅醛、柠檬醛、香叶醇和橙花醇等 化合物的加氢催化剂种类及其工艺条件。

  • The terpene emission rate increased with irradiation and temperature .

    萜烯 二烯排放速率随日照和温度的升高而增加。

  • The common toxins include alkaloid glucoside terpene phenols and their derivatives inorganic and simple organic matter .

    较常见的有毒植物所含有的主要毒物成分为生物碱、甙类化合物、 化合物、酚类及其衍生物、无机物和简单有机物。

  • Lewis says that isoprene and terpene were responsible for30 percent of the ozone in the air during the hottest part of the summer .

    他还指出,在夏天最热的时候,空气中的臭氧有30%是由异戊二烯和 萜烯生成的。

  • Studies on the extraction of terpene compound from chinaberry seeds

    从苦楝籽中提取多 化合物的研究

  • Trees produce natural chemicals called isoprene and terpene that are thought to protect their leaves from too much heat and sunlight .

    树木分泌的天然化学物质异戊二烯和 萜烯被认为可保护树叶免受过多热量和阳光的伤害。

  • Methods : The contents and components of different Ginkgo Biloba terpene lactones were determined by RP-HPLC .

    方法:利用RPHPLC法分析银杏叶中不同银杏 内酯含量。

  • In the stem terpene and steroid also exist in phloem and cortex .

    茎的韧皮部及皮层薄壁细胞中也有 大量 类甾类物质存在。

  • Results show that the essential oils of rhodiola crenulata mainly fatty acid terpene alcohol and a small amount of esters ketones aldehydes paraffin phenols and other ingredients .

    结果表明,大花红景天的挥发油主要是脂肪酸类、 、醇类及少量酯、酮、醛、烷烃、酚类等成分。

  • Isoprenoid ( terpene ) : Class of organic compounds made up of two or more structural units derived from isoprene .

    类异戊间二烯化合物( 亦称烯):由两个或多个异戊间二烯单元组成的一类有机化合物。

  • Synthesis of terpene-catechol resin from terpene resin and catechol was reported in this paper .

    对水性油墨用 丙烯酸树脂乳液的制备进行了研究,以便为工业化生产提供依据。

  • Many acid soils are also characterised by vegetation that produces polyphenolic and terpene compounds that inhibit microbial activity .

    酸性土壤中的许多植被能分泌酚类和 萜烯 化合物,进而影响土壤生化过程并降低微生物活性。

  • A liquid terpene with a lemon odor ; found in lemons and oranges and other essential oils .

    一种带柠檬味的液态 萜烯,见于柠檬、柑桔和其他香精油中。

  • The synthesis of terpene-catechol resin from terpene resin and catechol and copolymer coating based on the produced resin with raw lacquer were reported in this paper . UV analysis of the coating showed that the reaction between terpene-catechol resin and raw lacquer was a copolymerization reaction .

    讨论了 萜烯邻苯二酚树脂与生漆的不同质量比和不同反应时间对此共聚涂料性能的影响,并进行了紫外光谱分析测试,结果表明生漆中的邻苯二酚和萜烯邻苯二酚树脂中的邻苯二酚都参与了聚合反应。

  • There is an important medical value of the Ketone and Terpene which are extracted from Ginkgo leaf .

    银杏叶提取物的主要成分黄酮和 内酯有着重要的医学价值。

  • Terpene lactone content of stem were the lowest corresponding to 1 / 3 of leaves and 1 / 2 of root while bilobalide in leaves had a high ratio of total terpene lactone .

    银杏茎中 内酯含量最低,相当于叶含量的1/3和根含量的1/2。叶中白果内酯含量在总萜类内酯中所占比例较高,而在根和茎中所占比例则较低。

  • This paper deals with the polymerization process of high softening point terpene resin .

    本文探讨了 制造高软化点 萜烯树脂的聚合工艺。

  • The primary active components of GBE include 5-7 % terpene lactones ( ginkgolides and bilobalide ) and 22-27 % ginkgo flavonol glycosides ( e.g. the flavones quercetin kaempferol and isorhamnetin ) .

    GBE的主要活性成分是5-7%的 内酯(银杏内酯和白果内酯)和22-27%的黄酮醇糖苷(如:苷元槲皮素、山奈素和异鼠李素)。

  • Application and Development Prospects of Modified - terpene Resins

    改性 萜烯树脂( TS树脂)的开发及应用

  • New Abstraction Technics of Flavones and Terpene from Propolis and Nano-praeparatum

    蜂胶提取活性黄酮及酯 新工艺和其纳米制剂

  • Study on methods of determining bromine number of terpene phenolic resin

    萜烯酚树脂溴值测定方法的研究

  • Quality and quantity analysis of terpene lactones from Ginkgo biloba leaves by GC-MS

    银杏叶中 银杏 内酯的GC-MS定性定量分析

  • The largest tensile strength was obtained at mass ratio 0.3 of the terpene resin emulsion and the EVA emulsion .

    萜烯树脂乳液与EVA乳液的质量比值为0.3时,复膜胶的 剥离强度最大。

  • Laser Raman spectra of several terpene compounds such α - pinene β - pinene and camphene are presented .

    本文报导几种 化合物:α蒎烯、β蒎烯和茨烯的激光喇曼光谱。