白桦 birch(286) betulinic(65) betulaplatyphylla(0)   birch     The result of the analysis of birch bleeding liquid is that it contains 0. 8% glucose and 0.55% frucose, a little of amino acid, about twenty kinds of inorganic elements, e. g. 62.4g/ml Ca and 11.47 g/ml Mg and 0.492 g/ml Zn, and 0. 485g/ml Mn and so on, it also contains xylite (qualitative).     对白桦(Betula Platyphylla)树液初步分析结果是:合有0.8％葡萄糖、0.55％果糖、少量的氨基酸、62.4μg/ml钙、11.47μg/ml镁、0.492μg/ml锌、0.485μg/ml锰等20余种无机元素,还含有木糖醇(定性)。 短句来源     ANALYSIS OF THE NUTRITIVE COMPOSITION OF BIRCH BLEEDING LIQUID     白桦树液营养成分分析 短句来源   betulinic     RESULTS: The Betulinic Acid had a good linearity relationship( r=0. 999 5, n=6) between 10. 10～ 161. 60μ g· mL- 1. The average recovery of Betulinic Acid in Spina Date Seed was 97. 95% ( RSD=0. 25% ) .     结果白桦脂酸检测浓度在10.10~161.60μg·mL-1范围内线性关系良好(r=0.9995,n=6); 平均加样回收率为97.95%(RSD=0.25%)。 短句来源     Compounds were identified by their physical characteristics and spectral data. RESULTS Eight compounds were isolated and identified as Betulinaldehyde(1),β-sitosterol(2),betulinic acid(3),oleanolic acid(4),betulin(5),daucossterol(6),jasminoside(7)and syringin(8),respectively.     结果分离鉴定了8个化合物:白桦脂醛(1),β-谷甾醇(2),白桦脂酸(3),齐墩果酸(4),白桦脂醇(5),胡萝卜苷(6),jasminoside(7),丁香苷(8)。 短句来源     The influence of 23-hydroxyl betulinic acid on the proliferation and migration of blood vessel endothelial cell     23-羟基白桦酸对血管内皮细胞增殖和迁移的影响 短句来源     Content Determination of Betulinic Acid in Spina Date Seed by HPLC-ELSD     HPLC-蒸发光散射检测法测定不同产地酸枣仁中白桦脂酸的含量 短句来源     2: betulin; 3: betulinic acid;     2：白桦醇(betulin)：3：白桦酸(betulinic acid)； 短句来源 更多          “白桦”译为未确定词的双语例句     Separation and Identification of the 3-epibetulinic Acid in the Joints of Lotus Roots     藕节中3－表白桦脂酸的分离与鉴定 短句来源     By FCM methods, the apoptotic rates of LoVo cells were 11.32%±0.92%, 19.23%±0.78%, 24.51%±5.88%, 42.22%±2.32%, after treatment of 23-hydroxybetulinic acid at concentrations 25, 50, 100, 200 μmol·L-1, which showed obvious concentration-dependent relationship.     23-羟基白桦酸25、50、100及200μmol·L-1作用LoVo细胞48h后,其凋亡率分别为11.32%±0.92%、19.23%±0.78%、24.51%±5.88%及42.22%±2.32%,显示一定的剂量依赖性关系。 短句来源     Determination of 23-hydroxylbetulinic acid in 23-Hydroxylbetulinic Acid Injection by HPLC     HPLC法测定23-羟基白桦酸注射液中23-羟基白桦酸的含量 短句来源     Determination of 23-Hydroxybetulinic Acid in Mouse Plasma by Liquid Chromatogram-Mass Spectrometry     液相色谱-质谱联用测定鼠血浆中的23-羟基白桦酸 短句来源     Apoptotic activity of 23-Hydroxybetulinic acid and the change of mitochondrial membrane potential in human colorectal cancer cell line LoVo     23-羟基白桦酸诱导LoVo细胞凋亡与线粒体膜电位的变化 短句来源 更多        查询“白桦”译词为用户自定义的双语例句     我想查看译文中含有：的双语例句 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法，我们为您准备了出自英文原文的大量英语例句，供您参考。   birch The growth process of natural poplar-birch forests 例句来源       With a combination of permanent and temporary sample plots, we investigated the growth conditions of natural poplar-birch forests. 例句来源       On this basis, the growth of natural poplar-birch forests in the different site classes was studied. 例句来源       Results of this study provide a theoretical basis for the directive cultivation of natural poplar-birch forests. 例句来源       microsperma) (41.15%) >amp;lt; Ermans birch (Betula ermanii) (41.53%) >amp;lt; fir (Abies nephrolepis) (42.62%). 例句来源       更多             betulinic Activation of apoptosis by derivatives of betulinic acid in human tumor cells in vitro 例句来源       Two methods of obtaining 3α-betulinic acid and related compounds from their 3β-epimers were studied: the reaction of bimolecular substitution and the stereoselective reduction of 3-ketoderivatives. 例句来源       Practically the same mixture of betulinic acid epimers was obtained when reducing betulonic acid with L-Selectride. 例句来源       The cytotoxic activity of 3α-betulinic acid increased toward the Bro melanoma cells and decreased toward the MS melanoma cells. 例句来源       Synthesis and Antiviral Activity of Hydrazides and Substituted Benzalhydrazides of Betulinic Acid and Its Derivatives 例句来源       更多             betulaplatyphylla Endogenous levels of abscisic acid and gibberellins in leaf protoplasts competent for plant regeneration in Betulaplatyphylla an 例句来源       All tolerant tree species extended their frontiers and allintolerant tree species retracted their frontiers except Betulaplatyphylla. 例句来源       The dominance pattern ofPopulus davidiana, Tilia spp.,Juglans mandshurica, Betulaplatyphylla, Betula dahurica andAbiesnephrolepis changed significantly(p >amp;lt; 0.05). 例句来源                Six chemical constituents (Ⅰ-Ⅵ) were isolated from the roots of Helieteres angustifolia L.. Three of them were shown to be identical with β-sitosterol, betulic acid and oleanolic acid. The other three were found to be new triterpenoids, named methyl helicterate, methyl helicterilate and helicterilic acid with structures elucidated as Ⅰ, Ⅱ and Ⅳ respectively, on the basis of spectroscopic analysis and preparation of derivatives.             从梧桐科植物山芝麻(Helicteres angustifolia L.)的根中分离出6种成分。其中3种为已知化合物β-谷甾醇(β-sitosterol),白桦脂酸(betulic acid)和齐墩果酸(oleanolic acid)。其余3种为新的三萜类化合物,命名为山芝麻酸甲酯(methyl helicterate),山芝麻宁酸甲酯(methyl helicterate)和山芝麻宁酸(helicterilic acid)。其化学结构经光谱分析和衍生物制备分别推定为Ⅰ,Ⅱ和Ⅳ。 文摘来源          An aqueous extract of the twigs of Pyrus communis L.var.sativa (DC) DC.showed in- hibitory effect against S-180.Compounds were isolated from the twigs of P.communis and eight of them were identified as nonacosane (Ⅰ),lupeol (Ⅲ),β-sitosterol (Ⅳ),betulin (Ⅴ), betulinic acid (Ⅵ),daueosterol (Ⅶ),hydroquinone (Ⅷ) and arbutin (Ⅸ) by MS,NMR, IR、UV and some chemical techniques.It was showed that the compounds Ⅲ,Ⅳ,Ⅴ,Ⅵ, Ⅷ and Ⅸ possessed some bacteriostatic activities on Escherichia coli,Salmonella typhi,Shig- ella f...             从西洋梨的枝中分离鉴定了8个化合物,它们分别是正二十九烷(Ⅰ)、羽扇豆醇(Ⅲ)、β-谷甾醇(Ⅳ)、白桦脂醇(Ⅴ)、白桦脂酸(Ⅵ)、胡萝卜甙(Ⅶ)、氢醌(Ⅷ)、和熊果甙(Ⅸ)。初步药理实验表明,化合物Ⅲ、Ⅳ、Ⅴ、Ⅵ、Ⅷ和Ⅸ有一定的抑菌作用,Ⅷ对S-180有一定抑瘤活性。 文摘来源          Two isomeric pentacyclic-triterpenic acids were isolated from the root of Ampelosis brevipedunculata var hancei Rhed for the first time. One acid was identified as oleanolic acid by means of physico-chemical properties and spectral analysis. The other one was acetylatcd and confirmed by X-ray diffraction analysis. This acid was proved to be betulinic acid.             从小叶蛇葡萄根中分离出两个同分异构体的五环三萜酸,通过理化性质和光谱分析等确定其一为齐墩果酸;另一酸之乙酰化物。进一步用X射线单晶衍射确定结构及其绝对构型。此酸为白桦脂酸,两者均首次从该植物根中分离出。 文摘来源   << 更多相关文摘         相关查询: 白桦树脂酸 白桦种苗 白桦林 欧洲白桦 白桦炭疽病 白桦酸 转基因白桦 白桦树汁 白桦树液 北美白桦 白桦木质纤维素 白桦材  对查询结果不满意

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