populus的例句大全

The Transformation of Genes Related to Glycine Betaine Biosynthesis from Salicornia Europaea Improves Salt-tolerance of Populus × Eurnmericana and Tobacco

转盐角草甜菜碱合成相关基因提高欧美杨107和烟草的耐盐性

Effect of NaCl stress on photosystem ⅱ functions in Populus nigra leaves

NaCl胁迫对欧洲黑杨组培植株叶片光系统Ⅱ功能的影响

Grafting Triploid Populus tomentose Carr. with Different Rootstock Studies and Application on the Effective Components of Snowbell-leaf Tickclover and Rhubarb Root

三倍体毛白杨不同砧木嫁接试验广金钱草及土大黄有效成分研究与应用

The contrast analysis shows that, the timber physic mechanics character is similar with the other species of Populus. The main orientation of timber utilization is pointed out.

对比分析可知其木材物理力学性质与杨属类其它种木材相近，并指出其木材利用的主要方向。

Regenerating plants were produced from immature leaves of the triploid of Populus tomentosa by tissue culture on MS basic medium with different plant hormone.

采用毛白杨三倍体幼叶作为外植体进行组织培养，以MS为基本培养基获得了再生植株。

The tissue culture system of Cathay Poplar ( Populus cathayana) was developed in the present paper.

建立了青杨（Populus cathayana）组织培养系统。

Establishment of Asepsis Tissue Culture System from Suckers of Populus tomentosa Carr. Review on the Study of Chinese Fir Sprout Regeneration

毛白杨根萌芽建立无菌组培体系的研究杉木萌芽更新

The tissue culture and industrialization breeding techniques were studied by adopting the stem segment of single bud of Populus tomentosa one-year-growth seedling.

采用1年生三倍体毛白杨优质苗木单芽茎段，研究其组织培养技术和工厂化育苗技术。

The effects of litter layer on splash erosion in Populus davidiana woodland

山杨林地枯落物层对溅蚀的影响

Research of cold resistance of new Populus Euramerican a variety

欧美杨新品种抗寒性的研究

Oxygen Delignification and Strengthened Oxygen Delignification of Triploid of Populus Tomentosa of Soda-AQ pulp with Lower-kappa Number

三倍体毛白杨低硬度化学浆氧脱木素和强化氧脱木素的研究

Statistical analysis on date of 55 Populus cathayana plots situated on the boundary between Gansu and Qinghai showed that factors affecting growth of the poplar were topography, soil, aspect, slope steepness, precipitation, elevation in proper oder.

通过对甘青交界区55个样地的青杨样木资料的统计、分析后确认：各立地因子对青杨生长的影响程度依次为地形、土壤、坡向、坡度、降水量、海拔；

The relationship between plebs and the lands they settled and working with in different nature, contrasting with that of the populus Romanus.

由于罗马平民的主体是外来的，因此平民与罗马人民同他们定居和劳动的土地的关系本质不同。

Analysis of Nutritional Components of Male Anthotaxy of Populus canadensis Moench

加杨雄花序营养成分分析

Study on the wood characteristics of southern Populus nigra clone species

南方型黑杨无性系木材材性的研究

Studies on water physiology of the Populus nigra under the influence of site condition

立地条件对农田防护林箭杆杨水分生理的影响

Association Analysis Between SSR Molecular Markers and Wood Properties of Populus nigra

SSR标记与欧洲黑杨材性性状的关联分析

Study on the Drought-resistance and Genetic Variation of Genetic Resources of Populus Nigra

欧洲黑杨基因资源的抗旱性及遗传变异研究

Western blot analysis of transgenic Populus nigra plants transformed with Bacillus thuringiensis toxin gene

抗虫转基因欧洲黑杨的Western印迹法分析

The Preliminary Study on the Chimeric Characteristics of Populus Shenzhou

深州杨嵌合特性的初步研究