白桦,Betula platyphylla
1)Betula platyphylla白桦
1.Study on the anti-fungal activity of the bark and the leaves ofBetula platyphylla;白桦皮和白桦叶体外抗真菌作用研究
2.Genetic Variation and Correlation in Wood Properties ofBetula platyphylla in Natural Stands;白桦天然种群木材材质性状的变异与相关性
英文短句/例句
1.Research progress and foreground of betulin and betulinic acid白桦脂醇、白桦脂酸的研究进展及其前景
2.Photosynthetic Characteristics and Water Use Efficiency of Betula platyphylla and Betula maximowicziana Seedlings白桦和真桦光合特性及水分利用效率的比较
3.Extraction of Betulin from Changbai Mountain Birch Bark, Synthesis of Its Derivatives and Study on Their Bioactivities;长白山白桦树皮中白桦脂醇的提取、衍生化及生物活性研究
4.Expression and Forecast of 4CL and CCoAOMT of Birch白桦4CL与CCoAOMT基因表达分析及蛋白预测
5.HPLC Determination of Catechin and Betulin in White Birch Bark高效液相色谱法测定白桦树皮中儿茶素和白桦酯醇的含量
6.a canoe made with the bark of a birch tree.有白桦树的树皮制成的小舟。
7.Don"t skin the Bark off a Birch tree不要把白桦树的树皮剥去。
8.carbonated drink containing an extract from bark of birch trees.碳酸饮料，含有白桦树树皮的提取物。
9.Study on Drying Properties and Technology of Birch with Thickness of 55mm;55mm厚白桦干燥特性与干燥技术的研究
10.Genetic Transformation of Cellulose Synthase Gene BpCesA4 from Betula Platyphylla白桦纤维素合成酶基因BpCesA4的遗传转化
11.Construction of Genetic Linkage Maps of Silver Birch Based on AFLP Markers用AFLP标记构建白桦遗传连锁图谱
12.Histochemical Study of β-glucuronidase Activity in Transgenic Birch转基因白桦中GUS基因表达的定量分析
13.Content Determination of 3-Epibetulinic Acid in Nodus Nelumbinis Rhizomatis Charcoal藕节炭中3-表白桦脂酸含量的测定
14.Management Techniques of Natural Birch Forests and Its Objective management天然白桦林经营调控技术及目标管理
15.Seasonal changes of soil respiration in Betula platyphylla forest in Changbai Mountain, China长白山白桦林地土壤呼吸的季节变化(英文)
16.Cloning and Sequence Analysis of Full-length cDNA of Actin Gene from Birch(Betula platyphylla Suk.)白桦肌动蛋白(Actin)基因全长cDNA克隆与序列分析
17.Soil CO_2 released effluxes of Birch forest in the Changbai Mouhtains长白山天然次生白桦林土壤CO_2释放通量研究
18.I pass my hands lovingly about the smooth skin of a sliver birch, or the rough shaggy bark of a pine.我爱抚着光滑的白桦树皮或粗糙的松树皮。
相关短句/例句
Betula platyphylla Suk白桦
1.Research on Difference of Betulin Content in Different Parts and Provenances of Birch(Betula platyphylla Suk.);白桦不同部位及种源间白桦酯醇含量的差异分析
2.Isolation,Purification and Selection of Sapstain Fungi fromBetula platyphylla Suk;白桦变色菌的分离、纯化与筛选
3)Birch[英][b?:t?][美][b?t?]白桦
1.Studies on the Optimum Site-Type and Seedling-Age-Type of ArtificialBirch Afforestation;营造白桦人工林适宜地类与苗龄型研究
2.A multiplex polymerase chain reaction method for rapid detection of foreign genes in transgenic birch (Betula platyphylla);转基因白桦外源基因的多重PCR快速检测
3.A Method for DNA Extraction from MatureBirch Leaves Rich in Polysaccharide;富含多糖的白桦成熟叶片DNA的提取方法
4)Asian White Birch白桦
1.Determination of Discoloration Types and of Chemical Components during Discoloration ofAsian White Birch;白桦木材的变色类型及变色前后化学成分分析
2.The Preliminary Study on Drying Process Traverse Strains ofAsian White Birch;白桦木材干燥过程横纹流变特性的初步研究
5)Betula Platyphylla Suks白桦
1.Study on Tissue Culture and Regeneration System of Betula platyphylla Suks(Ⅲ):Change of Endogenous Hormones in Tissue Culture;白桦组培再生系统的研究(Ⅲ)——组培过程中内源激素的变化
2.Study on Tissue Culture and Regeneration System of Betula platyphylla Suks (Ⅱ):Influence of Factors on Culture and Culture Protocols;白桦组培再生系统的研究(Ⅱ)——影响因素及培养程序
6)Betulinic acid白桦脂酸
1.Orthogonal test for optimizing extraction technique of betulinic acid in Semen Ziziphi Spinosae;正交试验法优选酸枣仁中白桦脂酸的提取工艺
2.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
3.Determination of betulinic acid in spine date seed by HPLC-ELSD;高效液相色谱-蒸发光散射检测器测定酸枣仁中白桦脂酸的含量
延伸阅读
白桦脂醇分子式：C30H50O2分子量：442.72CAS号：473-98-3性质：熔点256-257°C。
