Ulmus
美 
英
英汉解释
例句
Ivela ochropoda is one of the main defoliator pest occurred in Ulmus pumila, and is very serious in Wuqi County.
榆毒蛾是榆树的食叶害虫之一，在吴起县发生严重。
There was no poison phenomenon of Ulmus pumila L. in the whole experiments. 2.
在本试验处理浓度之内没有出现白榆受重金属毒害至死的现象。
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。
the extract duration and temperature also have influence on the quantity of Ulmus pumila volatile.
萃取时间和萃取温度对家榆挥发物不同组分的萃取量也有影响。
Wind tunnel test indicated that the volatiles of Ulmus pumila and Ricinus communis have high efficiency to attract Holotria diomphalia.
风洞生测表明，家榆和蓖麻的挥发物对东北大黑鳃金龟具有明显的引诱作用。
A Study on the Distant Hybridization between Populus alba Linn. And Ulmus pumila Linn.
银白杨与白榆远缘杂交的研究。
Study on the Relation Between the Photosynthetic Physiological Properties of Ulmus pumila and Hippophae rhamnoides and Soil Water Content
白榆沙棘光合生理参数与土壤含水量关系研究
The Ecological Characteristics of Ulmus gaussenii and Its Conservation Measures
醉翁榆的生境特征及保护对策
Research on Photosynthetic Daily Course of Ulmus crassifolia and Its Influencing Factors
南方岩榆光合作用日变化及其影响因子研究
Response to Light of Ulmus pumila in Different Soil Moisture
不同土壤水分条件下白榆的光响应研究
Ecological characters of rare-endangered plant Ulmus lamellose in Shanxi Province
山西稀有濒危植物脱皮榆的生态学特征
The Seedling Stage Test of Ulmus Pumila L. Excellent Provenance and Family Combine Selection
白榆优良种源、家系配合选择苗期试验
Size Structure and Neighbor Pattern of Ulmus pumila L. Population at Southern Edge of the Otindag Sandy Land
浑善达克沙地南缘榆树种群的大小结构和邻体格局
A Study on Occurrence Regularity of Ulmus pumila Withered Disease
白榆干枯病发生规律的研究
Study on the Root Distribution Characteristic and Biomass of Ulmus pumila in Hunshandake Sands
浑善达克沙地榆树根系分布特征及生物量研究
Experiment on control mulberry borer by boring and injecting poison on the trunk of Ulmus pumilavar
打孔注药防治垂榆桑天牛试验
The Reasons for the Death of Ulmus Pumila in Northern Shaanxi
陕北榆树大量死亡原因探析
Cuticular structure of Ulmus harutoriensis Oishi et Huzioka and its palaeoenvironment significance
角质层特征及古环境意义
Spatial Heterogeneity of Ulmus pumila Open Forest Ecosystem in Otindag Sandy Land
浑善达克沙地榆树疏林生态系统的空间异质性
Chemical constituents of root barks of Ulmus pumila
榆树根皮的化学成分
Programmed cell death of Ulmus pumila L. Seeds during aging
家榆种子老化过程中的细胞程序性死亡研究
On the Water Transportation along Ulmus Pumila L. Growth Ring Based on the Pipe Model Theory
基于管道模型的榆树水分年轮输导模式研究
The Study on Half-Sib Family Selection of Ulmus Pumila Linn
白榆优良半同胞家系选择研究
The comparative anatomical study on leaves of 12 species and 2 varieties of Ulmus in China
中国榆属12种2变种叶的比较解剖学研究
