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   叶片温度 在 气象学 分类中 的翻译结果: 查询用时:0.412秒
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叶片温度
相关语句
  leaf temperature
    THE HEATING EFFECTS OF IRRADIANCE ON RICE LEAF TEMPERATURE AND ITS INFLUENCE ON THE PHOTOSYNTHETIC RATE
    辐射增温效应对水稻叶片温度及光合速率的影响
短句来源
    The results show that when the air tem-perature is less than the temperature suitable for photosynthetic physiological process,the heating effects raise the leaf temperature,thereby improving the photosynthetic ca-pacity.
    结果表明,环境温度低于光合的生理适宜温度时,辐射增温效应将使叶片温度升高,从而有利于光合能力的提高;
短句来源
    The photon flux density shows positive correlation to humidity. The diurnal variation of air temperature is similar to leaf temperature; the diurnal variation of relative humidity is negatively correlated to air temperature and photon flux density.
    光量子通量密度与温度成正比,与湿度成反比,大气温度日变化和叶片温度日变化趋势基本相同,相对湿度的日变化趋势和大气温度的变化趋势正好相反,和光量子通量密度的变化趋势相反。
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  leaf temperature
When soil water is sufficient, the main factors affecting Tr were relative humidity (RH), air temperature (Ta) and leaf temperature (Tl) in July, August and October respectively.
      
The registered indices comprised leaf temperature, leaf transpiration conductivity, and the average daily increment of the leaf area.
      
The drought duration did not affect the adaptation of leaf water balance, it was determined only by leaf temperature and water supply.
      
The authors conclude that water supply and leaf temperature determine plant resistance to soil drought.
      
Measurements of leaf temperature and the vapour pressure gradient between the leaf and the air indicated that leaf surface water originates from the plant.
      
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A synthesis model of single leaf stomatal movement has been established based on the theory of Jarvis and field observations of various environmental factors such as solar radiation and water vapour deficit etc. for spring wheat.

本文利用在田间观测到的辐射、叶片水势、叶温和空气饱和水汽压差对春小麦叶片气孔运动的影响,根据Jarvis的理论建立了上述因子对气孔导度影响的综合模式。对模式的理论分析表明:在低光强下,气孔导度对诸环境因子影响的灵敏度顺序是辐射、叶片温度、叶片水势和空气饱和水汽压差;在高光强下其顺序为叶片温度,叶片水势,光强和空气饱和水气压差。根据此气孔运动综合模式建立了春小麦单叶蒸腾强度的测算模型并将此模型和Pcnman-Monteith公式的计算值和实际观测资料进行了比较,发现蒸腾模型的计算值较实测值偏低,而Penman-Monteith公式的计算值较实测值偏高。

The variation of rice leaf temperature with ambient air temperature and irradianceintensity imposed on the leaf surface is discussed based on the experimental data in acontrolled environment chamber.The heating effects of irradiance on leaf temperaturewill change the patterns of photosynthetic response to light intensity.According to therectangular hyperbola photosynthetic model,The rice leaf photosynthetic character indifferent environment conditions is simulated.The results show that when the air tem-perature...

The variation of rice leaf temperature with ambient air temperature and irradianceintensity imposed on the leaf surface is discussed based on the experimental data in acontrolled environment chamber.The heating effects of irradiance on leaf temperaturewill change the patterns of photosynthetic response to light intensity.According to therectangular hyperbola photosynthetic model,The rice leaf photosynthetic character indifferent environment conditions is simulated.The results show that when the air tem-perature is less than the temperature suitable for photosynthetic physiological process,the heating effects raise the leaf temperature,thereby improving the photosynthetic ca-pacity.Otherwise,the effects are contrary to the results above.

根据人工气候箱试验资料,分析了水稻叶片温度随环境温度、辐射强度的变化规律及辐射增温效应对单叶光—光合曲线的影响;由直角双曲型光合模型模拟了辐射增温效应对叶片光合特征的影响。结果表明,环境温度低于光合的生理适宜温度时,辐射增温效应将使叶片温度升高,从而有利于光合能力的提高;反之则相反。

The environmental effect of mire is the key for understanding ecological function of mire and it has been studied for a long time,especially for the mire in Sanjiang Plain;however,the similar research on the valley mire in Changbai Mountain was lacking.This research investigated the climatic effects caused by typical vegetation in Changbai Mountain via studying its meteorological factors,and we also studied the hydrological-thermal dynamics that is useful for protection and utilization of natural resources in...

The environmental effect of mire is the key for understanding ecological function of mire and it has been studied for a long time,especially for the mire in Sanjiang Plain;however,the similar research on the valley mire in Changbai Mountain was lacking.This research investigated the climatic effects caused by typical vegetation in Changbai Mountain via studying its meteorological factors,and we also studied the hydrological-thermal dynamics that is useful for protection and utilization of natural resources in the region.The Changbai Mountain mire wetland possesses cool effects as same as that of the Sanjiang Plain.The thoroughly thawing time for the studied region is one month ahead of the Sanjiang Plain,the transpiration reaches its peak at July and August with the rate of(H2O) 100~140 mol/(m2.s).The photon flux density shows positive correlation to humidity.The diurnal variation of air temperature is similar to leaf temperature;the diurnal variation of relative humidity is negatively correlated to air temperature and photon flux density.The micro climatic effect of mire wetland in the region was also observed with obvious effects.

通过对长白山区沟谷沼泽典型乌拉苔草湿地土壤温度、乌拉苔草群落相对湿度、叶片温度、风速、光量子通量密度以及蒸腾速率的日变化和蒸腾速率的季节变化的研究,初步揭示沟谷乌拉苔草沼泽湿地的气候效应。结果表明长白山沟谷沼泽湿地具有三江平原沼泽同样的冷湿效应。土壤化通时间比三江平原化通时间提前1个多月,蒸腾速率日变化不同季节趋势基本一致,不同层次叶片的蒸腾速率日变化趋势基本一致,最大值在7至8月份蒸腾速率(H2O)达到100~140 mol.m-2.s-1。光量子通量密度与温度成正比,与湿度成反比,大气温度日变化和叶片温度日变化趋势基本相同,相对湿度的日变化趋势和大气温度的变化趋势正好相反,和光量子通量密度的变化趋势相反。沟谷湿地的同样具有小气候效应。

 
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