Betula的例句大全

To oak trees, Betula , Chatham, Yang and other broad-leaved forest dominated.

树种以栎 、 桦、漆 、 杨等阔叶林为主.

Arimatsu economic timber , Parkinson , Chatham , Betula, Tilia, Green and other species.

经济用材林有松 、 柏、漆、桦 、 椴 、 青等树种.

In the zonal area from 500 to 700 m , plant community is Betula ovilifolia-Carex schmidtii-Sphagnum palustre community.

距河流500-700m的带状区域植物群落为油桦-臌囊苔草-泥炭藓群落.

The microwave-assisted extraction ( MAE ) of betulin from Betula platyphylla Suk.

利用均匀设计法优化了微波辅助提取白桦树皮中桦木醇的工艺.

A new method of determining the antioxidant activity of betulin from betula bark is established.

建立了一种测定白桦树皮中白桦脂醇对羟自由基清除率的新方法.

In coMpetition with other accoMpanying species, the Betula luMinifera is a predoMinant tree at present.

另外,光皮桦在与其它主要伴生树种的竞争中, 目前处于优势地位.

For your career, Betula forest without relying on heaven-sent, mainly by self-seeking.

适合你的事业, 白桦林不靠天赐, 主要靠 自我 寻找.

Response of dry matter allocation and nutrition of red birch ( Betula albosinensis) seedlings to elevated CO_2

红桦幼苗干物质分配与营养对CO2升高的响应

In all factors of vegetation structure characteristic, the average height of shrubs, the average canopy of trees and the average canopy of grass are difference factors in whole level, and the density of Black birch ( Betula dnvurica) is difference factor in specific composition level.

各样地的植被结构特征因子中，灌木平均高度、乔木平均盖度（郁蔽度）、草本平均盖度是各样地在总体水平上的差异因子，黑桦密度是样地树种组成水平上的差异因子；

However, little is known about the background of gene expression in flower phase of B. platyphylla, but several genes related to floral development were successfully cloned in Betula pendula in latest years.

然而白桦花期基因表达背景却鲜为人知，直到最近几年，若干花发育相关基因在欧洲白桦中才得以成功克隆。

Growth Traits and Selection of Fine Families of Young Betula pendula Seedlings

欧洲白桦早期生长性状表现与优良家系选择

The effect of medium and explant in organ regeneration of Betula pendula

外植体及培养基对欧洲白桦器官再生的影响

Studies on Rooting in Vitro and Transfer of Betula pendula Superior Clones from Germany

欧洲白桦优良无性系试管苗生根与移栽的研究

Effect of Exogenous Hormones on Organogenesis and Subculturing of Betula pendula

外源激素对欧洲白桦器官再生与继代培养的影响

EUROPE A Trial on Grafting of Betula pendula

欧洲白桦嫁接试验