populus的例句大全

morphological characteristics shown by the uredospores of different species of poplar rusts ( melanopsora) are easily distinguishable.

寄生在杨属（Populus）树种上的栅锈菌属（Melampsora）锈菌，不同的菌种其夏孢子的形态特征有明显的差异，可以作为分种的依据。

Populus me sibilat, at mihi plaudo Ipse domi simul ac nummos contemplar in arca.

笑骂由你,我自为之;家藏万贯,唯我独赏.

Main tree species are pine, northern larch, oriental arborvitae, tree, Populus, etc. more than 40 kinds.

主要树种有油松 、 华北落叶松 、 侧柏 、 栎树 、 山杨等40余种.

The CesA gene promoter MDCesAP was amplified from triploid Chinese white poplar ( Populus tomentosa Carr. )

从三倍体毛白杨-93 ( PopulustomentosaCarr. ) 中分离得到了MDCesAP这 一木质部纤维素合酶基因启动子.

Objective : To obtain the fragment related to rooting gene of mutant Populus tomentosa.

目的: 克隆芽变毛白杨生根相关基因片段.

By determination and theory, actual consumption of Populus simon ii x nigra was analysed and studied.

通过观测和理论推导, 分析研究了小黑杨幼龄林对土壤水的实际消耗量.

Ecological and Physiological Research on VA Mycorrhizas of Populus Ussuriensis.

大青杨VA菌根生理生态学研究.

Effects of Site Condition on Growth and Spatial Differences of Soil Nutrient in Populus simonii Carr.

与小叶杨人工林生长及土壤养分空间差异的影响>>相似的文献.

A quantitative study on flower taxonomic characters of Populus tomentosa.

毛白杨花器分类性状的数量化探讨.

Poplar ( Populus deltoides ) veneers were used to make plywood for concrete forms.

摘要采用浸胶玻璃纤维布强化方法制造杨木胶合板模板.

Days of the original desert song Populus place A good place!

天漠胡杨的原创歌曲里的地方.好地方!

All that is certain is that its cause lay in the struggles between plebs and populus.

只有一点是肯定的,这就是革命的原因在于平民和populus之间的斗争.

There were no detailed studies on litter and forest floor of Populus davidiana and Fraxinus mandshurica in this region.

针对帽儿山林区的水曲柳、山杨两种主要林分类型凋落物以及林下凋落物层进行细致的研究较少。

Selection and Breeding of Male Alee tree New Varieties of Populus tomentosa in Beijing

北京地区毛白杨雄株行道树新品种选育

Analysis on the Relevance between Populus's Trunk Annual Ring and Their First Branch Annual Ring

胡杨主干与一级枝年轮宽度相关性分析

Study on Selection of Directive Breeding for Non-floccus Populus Variety

无絮杨树品种的定向选育研究

Isolation and Functional Analysis of a MADS Box Gene in Populus tomentosa

一个毛白杨MADS盒基因的克隆与功能分析

Isolation and Functional Analysis of CesA Gene Promoter from Populus

杨树木质部特异启动子的分离与功能分析

The absorption, utilization and distribution of nitrate~ ( 15) n and ammonium~ ( 15) nin Populus tomentosa seedlings

毛白杨对~（15）N-硝态氮和铵态氮的吸收、利用及分配

In this paper, Populus ussuriensis wood was modified with fire retardant WFR J1. The properties of fire retardant, dimensional stability and painting performance of the modified wood were determined.

用阻燃剂WFRJ1处理大青杨木材并对处理材的阻燃性能、涂饰性能和体积稳定性进行测定。