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For example of the Shiyang River Basin along the Hexi Corrider,in Gansu province,made the imitial research of the major crop water production function and irrigation schedule optimal model,the results are following: 1Based on the related experimental datum gathered,drawing the relationship curve of several major crop yield and evapotranspiration,such as spring wheat,spring wheat-corn strip field,seed melon,sweet melon,cotton and flax and so on. The result shows these there:linearity and non-linear between crop yield and evapotranspiration.

本研究以甘肃省河西走廊石羊河流域为例,对其主要农作物的水分生产函数及灌溉制度优化模型作了初步研究,取得了以下成果: 1 根据收集的有关试验资料,绘制了春小麦、春小麦-玉米带田、籽瓜、白兰瓜、棉花和亚麻等几种主要农作物产量与耗水量的关系曲线,结果表明,产量与耗水量之间一般存在着线性与非线性的关系。

Results: It is fund that the color turning and precipitation phenomena of Amoxicillin Sodium and Clavulanate Potassium are related to the certain conditions ( e.g. moisture content, temperature, light, menstruum, PH value and time) under which the process takes place.

结果本品配伍液变色与阿莫西林钠和克拉维酸钾在一定条件下(水分、温度、光线、溶媒及pH值、时间)分解有关;沉淀与配伍时温度低、pH值低、浓度高有关。

Results show that phanerophytes is the dominant life form in the three forests, in which micro-phanerophytes is in the largest proportion, and then followed by hemicryptophytes. In the three communities, the principal leaf size is mesophyl1, the main light eco-form is heliophyle, and the dominating water eco-form is mesophyte.

结果发现,3个群落都以高位芽植物为主,其次为地面芽植物;在高位芽植物中又都以小高位芽植物比例较高;3个群落的叶型谱以小型叶为主,光照生态类型谱以阳生种类为主,水分生态类型谱以中生种类占优势。

The dominant light eco-form was heliophyle. The dominant water eco-form was mesophyte.

生活型谱、叶型语和水分生态类型谱都与热带山地雨林群落一致。

Szechuanensis had mesophyte characteristics which were different across elevations; these differences contributed to their adaptation to a range of drought environment; the leaf thickness, vein thickness, vessel number, palisade mesophyll thickness and the P/S ratio were increased, while vessel diameter was reduced with increasing elevation, but no significant differences in epidermal thickness and spongy mesophyll thickness were found along the elevations.

随着海拔的升高,叶总厚度、栅栏组织厚度、P/S值和主脉厚度以及导管分子数目等均呈增大趋势,而导管分子直径减小;表皮厚度、海绵组织厚度等无明显差异。2多元统计分析显示,叶肉组织厚度和叶片总厚度主要受温和度的影响,并随着温和度的降低而增大;P/S值和导管分子数目主要与年降水量和土壤含水量的变化有关,随着水分增加,P/S值和导管分子数目增大,而导管分子直径减小。

5 Meters. The mesquite common on North American deserts in both tree and shrub forms, does not begin to grow above ground until its root system is completely developed, ensuring the plant a supply of moisture.

豆树属植物不论是乔木和灌木,在北美沙漠中常常可见,在它根部系统完全生长发达到能保证提供充足的水分时才长出地面。

MgO insoluble in water, but can absorb moisture and co2 from the air agglomeration and metamorphism.

氧化镁不溶于水,但能从空气中逐渐吸收水分和二氧化碳结块和变质。

The effect of the content of dimethylaminoethyl methacrylate on the properties of the electrophoretic paint was studied.

研究了甲基丙烯酸二甲胺乙酯用量对改性丙烯酸树脂水分散体和漆膜性能的影响规律。

The microclimate and water in both preservation and silviculture belts were studied.

比较分析了保留带与造林带的小气候和水分效应。

Hydrophytes with floating leaves can exchange gases with the atmosphere; many submerged hydrophytes, such as spiked water milfoil have no stomata, absorbing water and gases over their entire surface.

而很多沉水植物,如狐尾藻没有气孔,通过整个植株的表面吸收水分和气体。

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