1) Alder trees belong to the birch family. 赤杨属于桦木科。 2) Betula L 桦木属 1. On the basis of 18 references in the recent decade, chemical constituents ofBetula L. 桦木属植物主要含有三萜、黄酮、木脂素、二苯基庚烷等酚类 。
birch tree Betula, genus Betula - a genus of trees of the family Betulaceae (such as birches) birch - hard close-grained wood of any of various birch trees; used especially in furniture and interior finishes and plywood Betula alleghaniensis, Betula leutea, yellow birch - tree of eastern Nor...
Tree browsing by mountain hares ( Lepus timidus ) in young Scots pine ( Pinus sylvestris ) and birch ( Betula pendula ) woodland Understanding the factors that influence the extent of mammalian browsing of young trees can facilitate the development of management strategies that permi... S.J. ...
5.family tree. 6.a pole, post, beam, bar, handle, or the like, as one forming part of some structure. 7.shoetree. 8.saddletree. 9.a treelike group of crystals, as one forming in an electrolytic cell. 10.a computer data structure organized like a tree whose nodes store data elemen...
Trees covered with snow in the birch alley of the Park.,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世长城、百度、360、招商银行、工商银
silver birchagedbhheightformer agricultural landIn Poland, according to the law (amendment of the act of 21st May 2010) 鈥 on the provision of information on the environment and its protection, public participation in environmental protection and environmental impact assessments etc. (Official Law ...
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a log, the methods each including the step of applying a fertilizer solution, that includes less than about 0.01% (w/v) nitrogen, to a member of the group consisting of an Alder log, a Beech log and a Birch log, in an amount sufficient to promote the growth of shoots from the log....
any shrub or tree belonging to the genusAlnus,of the birch family, growing in moist places in N temperate or colder regions and having toothed, simple leaves and flowers in catkins. [before 900; Middle Englishalder, aller,Old Englishalor, al(e)r,c. Middle Low Germanal(l)erLatinalnus] ...
Street and park trees often endure harsher conditions, including increased temperatures and drier soil and air, than those found in urban or natural forest