| 释义 |
bet·u·la 英'betʃələ美'betʃələ COCA¹²⁷³⁸⁷BNC⁶⁸⁶⁷³
基本英英例句
桦木属
Noun:
a genus of trees of the family Betulaceae such as birches By the means of LICOR-6400 photosynthetic system, the photosynthetic characteristics of birch Betula platyphylla in climax community in Great Xingan Mountain were studied.
应用LI-6400光合作用测定系统，研究了大兴安岭不同演替阶段白桦光合生理生态学特征。 cnki
If you have never worn Birkenstock Betula sandals, you are in for a real treat.
世界上没有绝对的公平，不过相对的公平还是存在的。 china-roll
In this paper. the feature of birch Betula platyphylla secondary forest was analysed including succession analysis, died- tree analysis and management analysis by measuring plots.
通过白桦林样地调查、对白桦林进行了径级分析、死亡木分析和经营分析。 cnki
The bound water content, water-possessing ability of Betula albosinensis is higher , and resisting drought by delaying dehydrate.
红桦组织细胞束缚水含量较高、持水力较强，主要以延迟脱水的方式抵御干旱； sswcc
The content variation of GA, ZR, ABA and IAA during the development of male flower of Betula platyphylla was measured with ELISA.
利用酶联免疫吸附法 ELISA测定了白桦雄花发育过程中赤霉素 GA、玉米核苷素 ZR、脱落酸 ABA及吲哚乙酸 IAA的含量变化。 cnki
The results were as follows:There were various plants in the community of Betula luminifera.
结果表明：群落植物种类丰富，区系成分复杂。 cnak
The soil seed bank in logging gaps of different sizes and ages was studied in Populus davidiana- Betula platyphylla secondary forests in Changbai Mountain.
研究长白山杨桦次生林不同大小采伐林隙的土壤种子库特征。 dictall
There was a weak relationship between the SLW and photosynthetic capacity for1- year-old of Betula platyphylla and Pinus koraiensis.
白桦和红松1年生叶的比叶重与光合能力的相关性很弱。 cnki
A new species of Betula L. from China.
文章题目中国桦木属一新种。 www.cvh.org.cn
Aiming at the characteristic of sapstain for Betula platyphylla, the separation methods for sapstain fungi was dis- cussed.
针对白桦木材易变色的特点，探讨了东北白桦变色菌的分离方法。 chemyq
Besides, pollen of Abies, Picea, Pinus, Tsuga, Betula, Ericaceae, Labiatae and Cyperaceae and spores of Pteris, Polypodium and Selaginella were also observed.
此外，有冷杉、云杉、松、铁杉和桦等属乔木花粉和杜鹃科、唇形科、莎草科灌木和草本植物花粉及凤尾蕨、水龙骨、卷柏等属孢子。 cnki
Classification and distribution of the genus Betula L. in Inner Mongolia.
标题内蒙古桦木属植物的分类与分布。 www.cvh.org.cn
Combining with the morphology and anatomy, the relationship between the development of male flower on Betula and these endogenous hormones was researched.
结合白桦雄花形态解剖观察，研究了这些内源激素与白桦雄花发育的关系。 cnki
Compare with the Betula platyphylla & Betula dahurica patch, the fragmentation degree of Quercus liaotungensis patch is high.
相对白桦棘皮桦斑块而言辽东栎斑块的破碎化程度较高。 cnki
It expounded its distribution, habitat, physiognomy characteristics, structural feature, and forecast of the succession dynamic status of Betula platyphylla forest was put forward.
详细论述了其分布、生境、种类组成、外貌特征、结构特征，并对群落的演替动态进行了分析。 cnki
Main ingredients: Okinawa Deep Sea Water, Betula Alba Extract, Arbutin, Aloe Vera Extract & etc.
主要成份：冲绳岛深层海洋活水、白桦树精华、熊国树精华、芦荟精华、月桂精华等。 www.malaysiab2c.com
Main ingredients: Okinawa Deep Sea Water, Betula Alba Extract, Mulberry Bark Extract, Aloe Vera Extract, Hydrolyzed Silk Solution& etc.
主要成份：冲绳岛深层海洋活水、白桦树精华、桑白皮精华、芦荟精华、水解蚕丝等。 www.malaysiab2c.com
Objective To analyze the relationship of N and P utilization and triterpene synthesis in birch Betula platyphylla suspension cell culture system induced by fungal elicitor.
目的分析真菌诱导的白桦悬浮体系中 N、 P的吸收利用和三萜合成的关系。 tiprpress
Studies on the pollen morphology of the genus Betula in Nei Mongol.
标题内蒙古桦木属花粉形态的研究。 www.cvh.org.cn
This paper is an experimental analysis on the pollen assemblages of Betula alba-sinensis at Mountain Shennongjia, the relations of its vegetation and its forest vegetational history.
本文是在鄂西神农架山区的红桦林中，进行的孢粉组合与植被关系，及其森林植被历史的实验研究。 cnki
This research demonstrated: Surface pollen content of Betula and Pinus is much more than their coverage in community, so they have extra representation;
研究表明：桦属和松属在表土中的花粉百分含量大于群落中植物的盖度，具超代表性； cnki
This shows natural Betula L. in Hebei province basically belongs to the relative even-aged stand.
这表明目前河北省的桦树天然林基本上是同龄林相对。 cnki
Using several renewed Logistic models to fit Betula luminifera population and compare the results in order to offer a theory method for Population ecology dynamic research.
本文用多种模型对光皮烨种群的增长进行拟合比较，目的是给林业工作者一个参考，以便为种群生态的动态研究提供理论依据和方法。 cnki
We still skim the back waters of ponds and streams for the seed of Betula, Acer Salix and Populus species.
我们仍然要在池塘的静水上和溪流中捞取桦木，槭树、杨、柳等树的种子。 bab
When relative humidity was80%, Betula platyphylla could maintain strong photosynthesis.
当相对湿度是80%时，白桦能维持较强的光合作用； cnki
Betula also-sinensis forests are mature or over-mature at present, artificial regeneration should be strengthened.
目的本区红桦林多属成熟林或过熟林，应加强人工更新。 magsci |