α,β-Unsaturated alkynyl alcohols, such as dehydronerolidol, dehydrogeranyllinalool, and dehydroisophytol, were prepared by ethynylation of turpentine derivatives,namely terpenylacetones, e.
松节油衍生物萜烯基丙酮,如香叶基丙酮、金合欢基丙酮和植物酮在常压条件,碱金属氢氧化物和有机溶剂存在下可发生乙炔化反应,形成对应的α,β-不饱和炔醇化合物脱氢橙花叔醇、脱氢香叶基芳樟醇和脱氢异植物醇。
The essential oil constituents from pinus tabulaeformis carr.
对辽宁油松松针挥发性成分进行分析和鉴定,测得松针挥发油的含量为1。
In this study,the steam distillation was used to extract the volatile constituents from the bark of Pinus tabulaeformis Carr.
采用水蒸气蒸馏法对兰州产油松松皮的挥发性成分进行提取 ,采用 GC/MS方法分离、鉴定了其中 4 2个化学成分 。
Isolation and identification of flavonoids from pine needle of Pinus tabulaeformis Carr.
油松松针中黄酮类成分的分离与鉴定
Analysis of Volatile Constituents in Leaf of Pinus Tabulaefornis Carr. at Different Seasons by GC/MS
不同季节油松松针挥发性化学成分的GC/MS分析
Analysis of the Volatile Oil Constituents of Pinaceae --Analysis of the Volatile Constituents of Pinus Tabulaeformis Carr. Pine Needles with Liaoning Different Districts;
松属植物挥发性成分分析——辽宁不同地区的油松松针挥发油成分的研究
Study on Cuttage and Cutting of Needle Fascicles of Pinus Tabulaeformis and Pinus Elliottii;
油松、湿地松的枝插和针叶束插的研究
Affection of Contents of Some Substances in Needle of \%Pinus tabulaeformis\% Carr. Induced by \%Dendrolimus spectabilis \%Butler
赤松毛虫的危害对小油松针叶内物质含量的影响
Studies on the Effect of Heat Stress on Profective Matters in Leaves of Larix Principis Rupprechtii and Pinus Tabulaeformis Carr;
热胁迫对华北落叶松、油松针叶保护性物质影响的研究
Study on Distilling Pineleaf Essential Oil and Puerarea-Flavonoid with Enzymatic Hydrolysis;
酶解提取松针粉挥发油和葛根黄酮的研究
Study on Antitumor Effect and Mechanism of Petroleum Ether Extract of Pine Needles in vivo and vitro
松针石油醚提取物体内外抗肿瘤及机理研究
Effects of elevated O_3 and CO_2 on Pinus tabulaeformis antioxidant system
O_3和CO_2浓度升高对油松针叶抗氧化系统的影响
A resin derived from the sap of various coniferous trees, as the pines.
松脂，树脂某种松脂，自某些针叶树（如松树）上提取
Studies on effective compositions of Pine cone Ⅵ. Antitumor activity of fractions from pine cone and pine nut shell of Pinus koraiensis Sieb et Zucc and P.tabulaeformis Carr.;
松果有效成分研究——VI.红松与油松松塔及松子壳的抗癌活性
Though its needles are eaten the insects are still thin, Pine cones stay as green as moss.
“松针已尽虫犹瘦，松子余年绿似苔。
Preliminary Study on Fire Resistance of Needles from Pinus yunnanensis and P. armandii
云南松和华山松针叶耐火性初步研究
Spatial Distribution Pattern of Pinus tabulaeformis Populations in North China
华北油松林油松种群的空间分布格局
Study on Application of Central European Coniferous Forest Management Theory and Technology in Pinus Tabulaeformis and Larix Kaempferi on Qinling Mountain;
中欧针叶林培育理论和技术在秦岭落叶松和油松人工林抚育中的应用研究
an area planted with pine trees or related conifers.
种植松树或针叶林的林
soft white wood of white pine trees.
白色软质的五针松木料。
cylinder ,toothed for esparto-grass openers
针茅草开松机带齿滚筒