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Study on volume and velocity of stem sap flow of Haloxylon ammodendron by heat-pulse technique;
采用热脉冲法对梨树树干液流速度径向变化规律进行了系统研究。
The best sowing time of Haloxylon ammodendron in the east of Helan Mountain in Ningxia autonomy is studied.
目的：研究确定宁夏贺兰山东麓梭梭育苗的适宜播种期。
The transpiration rate of degenerated H. ammodendron increases in the form of power when the temperature increases.
退化梭梭的蒸腾速率随着温度的增加以乘幂的形式增加。
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