龙脑

lóng nǎo
  • borneol;borneo camphor;camphol;bornes camphor
龙脑龙脑
龙脑 [lóng nǎo]
  • [borneol; bornes camphor] 蒸馏龙脑树的树干而得到像樟脑的物质,有清凉气味。可制香料,也可入药

龙脑[lóng nǎo]
  1. 固体超强酸SO4~(2-)/Al2O3催化α-蒎烯合成龙脑

    Synthesis of borneol from α - pinene catalyzed by solid superacid SO_4 ~ ( 2 - ) / Al_2O_3

  2. MoO3/TiO2固体超强酸催化松节油合成龙脑的研究

    Study on Synthesis of Borneol from Turpentine Catalyzed by MoO_3 / TiO_2 Solid Superacid

  3. GC-MS测定龙脑樟植物不同部位右旋龙脑的含量

    Determination of d-borneol in the different parts of Cinnamomum camphora by GC-MS

  4. 目的建立醒脑滴丸及其血浆中右旋龙脑含量的气相色谱(GC)及气相色谱-质谱联用(GC-MS)方法。

    Objective To find a method for the determination of dextroborneol in Xingnao Gutta Pills and plasma by gas chromatography ( GC ) and GC-mass spectrometry ( GC-MS ) .

  5. 结果表明,中间体龙脑酰基二酯的最佳合成条件为:乙氧基镁丙二酸酯和D龙脑酰氯的物质的量配比为1∶14,反应时间为4h,反应温度为在乙醚溶液中回流;

    Results show that the optimal esterifying conditions are the ratio of 1 ∶ 1.4 and the reaction time of 4 h under reflux .

  6. 本文就龙脑樟矮林施用赤霉素(GA3)和吲哚乙酸(IAA)对龙脑樟鲜枝叶产量和龙脑樟产量的影响作了分析评价。

    The effect of gibberellin ( GA3 ) and indole acetic acid ( IAA ) which applied in coppice on the yield of fresh branches and leaves and borneol Cinnamomum camphora were analyzed and evaluated .

  7. 隶属于龙脑香科(Dipterocarpaceae)坡垒属Hopea,是我国热带季节性雨林的代表性树种之一。

    Blongs to Hopea and Dipterocarpaceae , is a typical plant species of tropical rain seasonal forest in China .

  8. 为了提高产物中右旋龙脑的比例,本课题进行了在碱金属/THF体系中加入溴化金属盐或质子供体来提高产物中右旋龙脑比例的研究,研究表明右旋龙脑比例明显提高。

    In order to improve the ratio of D-borneol , the bromized alkali metal salt or other proton donor was added to improve the ratio of D-borneol of the camphor reduction offsprings , and the ratio of D-borneol obviously improved .

  9. 龙脑香科树种引种育苗技术研究

    Study on the Introduction and Seedling Cultivation Technique of Dipterocarps

  10. 合成龙脑与合成樟脑制备新工艺初探

    A New Preparation Method of Synthetic Borneol and Synthetic Camphor

  11. 龙脑烯醛同单重态氧反应的立体选择性

    Stereoselectivity of the reaction of campholenic aldehyde with singlet oxygen

  12. 气相色谱法测定27种六神丸中龙脑与异龙脑含量

    Determination of Borneol and Isoborneol in 27 Species of Liu-Shen-Wan by GC

  13. 粤北山区有能产天然右旋龙脑的梅片树。

    Mountains of northern Guangdong has natural d-borneol Nengchan plum tree pieces .

  14. 用作香料的α-龙脑烯醛衍生物

    The Derivatives of α - Campholenic Aldehyde Used for Perfumes

  15. 活性膨润土催化水合异龙脑脱氢后处理的工艺研究

    Study on Post-treatment Technology of Catalytic Dehydrogenation of Hydrated Exo-2-camphanol

  16. 蒸馏龙脑过程中的残油成分分析

    Analysis of residue oil constituents from borneol distillating process

  17. 正交设计研制乙酸龙脑酯-β-环糊精包合物

    Study on bornyl acetate - β - CD inclusion body by orthogonal design

  18. 乙酸龙脑酯滴丸制备工艺研究

    Study on Preparing Technology of Bornyl Acetate Dropping Pills

  19. 西双版纳龙脑香林植物区系研究

    Floristic plant geography on the dipterocarp forest of Xishuangbanna

  20. 2,3-环氧蒎烷分子重排制备α-龙脑烯醛的研究

    Study on the Synthesis of α - Campholenic Aldehyde by Isomerization of 2,3-Epoxy Pinane

  21. 结论乙酸龙脑酯具有较显著的镇痛作用;

    Conclusion : Bornyl acetate shows analgesic effects .

  22. 龙脑樟矮林基地施用复壮专用肥效益分析

    Efficiency Analysis of Rejuvenescent Special Fertilizer Applied in Coppice Base of Borneol Cinnamomum camphora

  23. 气相色谱法测定艾奇康胶囊中龙脑的含量目的观察抗病毒胶囊血清抗病毒作用。

    Objective To observe the effect of serum containing antivirus capsule of Chinese herb .

  24. 傅里叶变换红外光谱法在监测龙脑酯化反应中的应用

    Application of Fourier Transform Infrared Spectrometry to the Detecting of Esterification Reactions of Borneol

  25. 龙脑樟矮林植物生长调节剂应用效果研究初报

    Preliminary Study on Effect of Plant Growth Regulator Applied in Borneol Cinnamomum camphora Coppice

  26. 一步法合成正龙脑的反应机理及主要影响因素

    The reactive mechanism and the main effective factors of borneol synthetic in one step

  27. 乙酸龙脑酯药理作用的实验研究

    Studies on Pharmacological Effects of Bornyl Acetate

  28. 樟脑和龙脑等萜类化合物废水处理工艺

    A Treatment Process for Wastewater Containing Terpenoids

  29. 江西吉安龙脑樟资源开发与利用前景

    The Exploitation and Utilization Prospects of Borneol Cinnamomum camphora Resources in Ji'an , Jiangxi Province

  30. 樟脑及龙脑含量低,变化无规律。

    As for camphor and borned , their contents were considerably poor and varied irregularly .