Ulmus pumila
英
美
网络 白榆; 榆树; 家榆; 榆樹
双语例句
- The result shows that the soil water content in which Ulmus pumila and Hippophae rhamnoides have high-output and high-efficiency respectively is 11.4%~ 17.2%;
结果表明白榆沙棘具有高产高效的土壤含水量分别为11.4%~17.2%； - Comparison of the Effects of Different N, P and K Fertilization On the Growth of Ulmus pumila Seedlings in Containers
不同氮、磷、钾量对金叶榆容器苗生长效果的比较 - Effects of Elaeagnus angustifolia and Ulmus pumila on Physical and Chemical Characteristics of Chestnut Soil
栗钙土区栽植沙枣、榆树对土壤理化性质的影响 - Compared with Ulmus pumila, Platycladus orientalis showed stronger adjustability in the semi-arid area of Loess Plateau.
在黄土半干旱区侧柏具有比白榆更强的适应能力。 - Ion Distributing Characteristic of Ulmus pumila, Fraxinus velutina, Amorpha fruticosa and Tamarix chinensis in Different Saline and Alkali Area
不同盐碱区白榆、白蜡、紫穗槐、柽柳体内离子分布特征 - Responses of Photosynthesis Characteristics and Transpiration Characteristics of Ulmus pumila Species to the Light under the Water Stress Conditions
水分胁迫条件下白榆光合与蒸腾特性对光的响应 - Ulmus pumila open forest ecosystem plays an important role in Otindag Sandy Land.
榆树疏林生态系统是浑善达克沙地的重要组分之一。 - The grafting and cutting propagation tests of Ulmus pumila cv.
对中华金叶榆进行嫁接和扦插繁殖试验。 - Comparison of water use efficiency of Zizyphus jujube and Ulmus pumila in semi-arid zones of the Loess Plateau
黄土半干旱区枣、榆水分利用效率的比较研究 - Determination of Maslinic Acid Content in Root and Bark of Ulmus Pumila by HPLC
HPLC法测定榆树根皮中马斯里酸的含量 - Relationship between Plantation Density and Species Diversity under Forest of Ulmus pumila in Semi-arid Region of Loess Plateau
黄土半干旱区白榆人工林密度与林下物种多样性的关系研究 - Study on Growth Dynamics and Ecological Function of Robinia Pseudoacacia and Ulmus Pumila Mixed Forest in the Loess Plateau
黄土区白榆/刺槐混交林生长动态与生态功能研究 - The Research on the Ecological Field Behavior of Ulmus Pumila Individual
榆树个体生态场行为的研究 - The paper is based on the test data from the physical and strength properties of 14 Ulmus Pumila clones. With principal component analysis, 12 factors of affecting the wood physical and strength properties are divided into two classes& strength index, shrinkage index.
以14个白榆优良无性系木材物理力学性质测试数据为研究材料，采用主成分分析方法，将影响白榆木材物理力学性质的12个指标分为强度指标和干缩指标两大主成分。 - The patterns of water transportation along Ulmus pumila were studied based on pipe model through biological coloration.
根据管道模型理论并通过生物染色剂染色实验，对榆树的水分年轮输导模式进行了研究。 - 10-year results of progeny and clonal tests for Ulmus pumila in China
白榆子代测验的十年结果 - The principal component analysis on the physical and strength properties of Ulmus pumila clones wood
白榆优良无性系木材物理力学性质的主成分分析 - A study on genetic variation and selection of provenance of Ulmus pumila
白榆种源遗传变异和种源选择研究 - Among six kind trees observed, SOD activity of Picea koraiensis, Salix matsudana, Populus berolinensis and Ulmus pumila in pollution areas is higher than comparison.
供试的6种树木中，云杉、旱垂柳、中东杨、白榆的SOD活性污染区高于对照区； - A Study on Occurrence Regularity of Ulmus pumila Withered Disease
白榆干枯病发生规律的研究