1.
Selective oxidation of betulin for betulinic acid preparation
非金属选择性催化氧化桦木醇制备桦木酸
2.
Preliminary Study on Betulinic Acid and Betulin Derivatives' Anti-cancer Acitivity and Mechanism in Inducing Cell Apoptosis
桦木酸及桦木醇衍生物抗癌活性和诱导凋亡机理初步研究
3.
Molecular Mechanisms of Betulin-induced Apoptosis in A549 Cells
桦木醇诱导人肺癌A549细胞凋亡机制的研究
4.
Synthesis and solubility comparison of 3,28-Di-O-acylated betulin derivatives
桦木醇二酸酯衍生物的合成及溶解性能比较
5.
Synthesis of 3,28-Di-O-glutaryl-betulin and Analysis of Its Solubility Properties
桦木醇戊二酸酯的合成及溶解性能分析
6.
a genus of trees of the family Betulaceae (such as birches).
桦木科的一个乔木属（例如桦树）。
7.
Inotodiol-the active compound in Inonotus obliquus
桦褐孔菌中的活性化合物桦褐孔菌醇
8.
wood alcohol
【化】甲醇, 木醇
9.
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
10.
The reality wood flat floor takes wood assortments such as birch, oak wood, elm, color wood as raw material.
实木平板地板以桦木、木、木、木等材种为原材料。
11.
any betulaceous tree or shrub of the genus Betula having a thin peeling bark.
桦属的任何一种桦树或灌木,有薄的剥落的树皮。
12.
a smooth leather tanned with willow, birch, or oak, and scented on the flesh side with birch oil.
一种光滑的皮革，经过柳木、桦木、橡木硝制，内壁用桦树油加上香味。
13.
well-seasoned oak, birch, etc
充分风乾可用的栎木、 桦木等.
14.
alder: tree of the birch family,usu growing in marshy places
桤木（桦木科,通常生长于沼泽地带）.
15.
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
16.
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
17.
any shrub or tree of the genus Grevillea.
任何属于银桦属的灌木和树。
18.
He used a piece of birch to make a small boat.
他用一块桦木做一只小船。