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The plants on desert steppe exhibited the strongest xeromorphic characteristics, and 3 species of Stipa on the desert steppe had abundant genetic polymorphism.

荒漠草原区的植物是生程度最强的一类草原群落,该区的3种针茅具有丰富的遗传多态性。

Result:The stomatic density and characteristic of leaf epidermis and stem epidermis in six Ephedra species was differenc,there were no ob...

结果:6种麻黄属植物之间气孔密度、茎、叶表面特征存在不同程度的差异;气孔表现出典型生植物的特征,略下陷,气孔保卫细胞被厚的角质层覆盖,并形成突起状角质唇状物;气孔大小、形状在种之间无明显区别;叶表面、茎表面气孔均属于无规则型,但形状明显不同,前者主要呈长方形或六边形,后者为窄条形或哑铃形。

Result:The stomatic density and characteristic of leaf epidermis and stem epidermis in six Ephedra species was differenc,there were no obvious morphological differences in stoma shape and size.

结果:6种麻黄属植物之间气孔密度、茎、叶表面特征存在不同程度的差异;气孔表现出典型生植物的特征,略下陷,气孔保卫细胞被厚的角质层覆盖,并形成突起状角质唇状物;气孔大小、形状在种之间无明显区别;叶表面、茎表面气孔均属于无规则型,但形状明显不同,前者主要呈长方形或六边形,后者为窄条形或哑铃形。

In the 1990s, he conquered the greatest biological constraint to cereal production in Africa - the deadly weed Striga.

发现了S的寄生的化学基础,他在P培养了许多品种的高梁植物,都是耐及搞S寄生的,同时产量也是地方品种的10倍。

The Ethiopian geneticist and seed-breeder, who joined the Purdue University faculty in 1984, is being honored for his work in developing strains of sorghum that are resistant to drought and the parasitic weed Striga, which has been a plague to farmers throughout sub-Saharan Africa.

这位来自于埃塞俄比亚的遗传学家和育种专家在1984年进入普渡大学任教。此次获奖是因为他培育出的高梁不但耐而且能抵制寄生杂草斯特赖加的滋生,这种杂草是非洲整个撒哈拉沙漠以南地区农民面临的最大难题。

Having discovered the bio-chemical basis of Striga's parasitic relationship with sorghum, our laureate's breeding program at Purdue produced many sorghum varieties resistant to drought and to Striga with yields 10 times greater than local varieties.

他发现了斯特赖加寄生于高粱作物的生化基础之后,在普渡大学开展了育种研究项目,培育出许多耐并抗杂草的高粱新品种,这些新品种高粱的产量比当地原来的高粱产量增加了十倍。

Having discovered the bio-chemical basis of Striga's parasitic relationship with sorghum, our laureate's breeding program at Purdue produced many sorghum varieties resistant to drought and to Striga with yields 10 times greater than local varieties.

通过弄清高梁作物与斯特赖加之间的生物化学寄生关系后,我们这位获奖者在普渡大学培育出的很多耐、抗斯特赖加的高梁新品种可比当地高梁品种提高多达10倍的产量。

In the nineteen nineties, Gebisa Ejeta and another Purdue researcher, Larry Butler, identified the complex relationships between Striga and sorghum plants. That finding led to the development of seeds resistant to both Striga and drought.

在九十年代,哥比萨·益节塔及另一位普渡的研究者赖瑞·巴特勒,验明了独脚金与高梁之间的复杂关系,这项发现促成了抗独脚金且耐的种子的发明。

Stylosanthes guianensis is an important drought-tolerant pasture legume of the tropical and subtropical regions.

柱花草是一种热带和亚热带地区广泛种植的耐草种。

The plants of the family Tamaricaceae, a family with long history, have occurred in ancient Mediterranean region since Tertiary. Most of them are drought-telerant plants, which are suitable to be used as wind-preventing, forest-making and soil-holding plants. Ecologically, they are plants of great importance in reforming of desert and improving of climate condition in arid zone.

柽柳科是一个古老的科,起源于第三纪,包括亚洲中部的内的&古地中海&沿岸地区,该科植物主要为生植物,其中大多数种是防风、固沙造林和水土保持的优良树种,对改造沙漠和改善气候条件具有重要的生态意义。

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However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.

然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

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A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.

付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。