Betula
英
美
网络 桦木; 桦木属; 桦属; 桦树
双语例句
- In this paper, the ecological and economic value of Betula alnoides was systematically demonstrated as well as its geographic distribution, growth property and adapt ecological conditions.
文章系统介绍了西南桦的生态和经济价值，地理分布及其生长特性与适生环境条件等生物生态学特性； - Expression and Isolation of Phenylalanine Ammonia-lyase ( PAL) Gene in Betula platyphylla
白桦苯丙氨酸解氨酶（PAL）基因的分离及其表达 - Effects of Prescription Fertilization on the Seedling Growth of Different Families of Betula platyphylla
配方施肥对白桦不同家系苗期生长的影响 - Objectives: To acquire sterilization material for rare endangered plant Betula halophila in Xinjiang and enhance the rate of survival after transplant.
目的：探讨获得盐桦无菌材料的最适灭菌方法和提高移栽定植成活率的关键性技术要点。 - Physiological Characteristics of Betula halophila Seedlings under NaCl Stress
NaCl胁迫对盐桦幼苗生理特性的影响 - Effects of Light on Growth and Triterpenes Content in Callus of Betula platyphylla
光质、光周期对白桦愈伤组织生长和三萜质量分数的影响 - 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； - The Size Structure and Life Table Analysis of Betula platyphylla Population in Xiaoxing ′ anling
小兴安岭白桦种群径级结构与生命表分析 - This result indicates further that there exist broad inheritance both in populations and in individuals of Betula alnoides.
这一结果进一步表明西南桦在群体、个体上存在广泛遗传变异。 - The Effects of Fertilization on the Growth and Development and Expression of Several MADS-box Genes of Betula Platyphylla
施肥对白桦生长发育和几个MADS-box基因表达的影响 - Soil properties and water conservation function of Betula platyphylla secondary forest with different stand ages
不同林龄白桦次生林土壤特性及其水源涵养功能 - Toadstools were collected from a range of pure stands of Betula and Pinus both in Britain and the U.S.A.
从英国和美国一系列桦木和松树纯林中收集蕈体。 - 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。 - Influence of Decayed Stump in Betula platyphylla Plantation on Soil Temperature in Gap
人工林白桦伐根腐朽程度对林隙内土壤温度的影响 - 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 - In two secondary forests, Populus davidiana fine root decomposition rate was faster than Betula platyphylla's.
在白桦山杨幼林和成熟林中，山杨的细根分解均比白桦细根快。 - This paper describes megasporogenesis, megagametogenesis, and the process of embryonic development of the female inflorescence in20-year-old Betula platyphylla.
以20年生白桦的雌花序为材料，研究了白桦的大孢子发生、雌配子体形成和胚胎发育过程。 - Study on Precipitation Hydro-chemical Characteristic of Different Stages of Betula platyphylla Secondary Forest Soil properties and water conservation function of Betula platyphylla secondary forest with different stand ages
不同林龄白桦次生林降雨水化学特征研究不同林龄白桦次生林土壤特性及其水源涵养功能 - Variations of Betula utilis and Picea purpurea seed germination at different altitudes. Studies on Astragalus Sinicus Red Leaves Formation and Leaves Colour Change
不同海拔梯度糙皮桦和紫果云杉种子的萌发变异紫云英红叶形成与叶色变化机理研究 - Study on Water Conservation and Hydrochemical Characteristic of Different Stages of Betula Platyphylla Forest
不同林龄白桦林水源涵养及水化学特征研究 - The Analysis on the Genetic Testing Result of Betula Luminifera ′ s Clone Grafting Seeding; Various clones families could be propagated commercially without having been clonally tested.
光皮桦无性系当代遗传测定结果分析在这些家系中不同无性系被大量地繁殖，也没有进行无性系的测定。 - Effects of Drought Stress on Wood Structure and Physical Properties of Betula platyphylla
干旱胁迫对白桦木材结构和物理特性的影响 - We still skim the backwaters 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。 - Variations of Growth and Fiber Properties of Half-sib Family Progeny of Betula platyphylla
白桦半同胞子代生长及木材纤维性状变异分析 - There was a weak relationship between the SLW and photosynthetic capacity for 1-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。 - Study on Tissue Culture and Genetic Transformation of Betula platyphylla
白桦的组织培养和遗传转化研究 - Introduction techniques of Picea abies and Betula pubescens
挪威云杉和柔毛桦引进技术的探讨 - Effects of elevated atmospheric CO_2 concentration and increased temperature on Betula albo-sinensis rhizospheric microbe
CO2浓度和温度升高对红桦根际微生物的影响