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- leaf-air vapour pressure deficit(VPD) 叶-气水气压差
- EFFECTS OF ABA AND VAPOUR PRESSURE DEFICIT ON STOMATAL CONDUCTANCE OF SUNFLOWER LEAVES 脱落酸与蒸汽压亏缺对向日葵气孔导度的影响
- Stomatal conductance in response to the smaller changes in leaf-air vapour pressure deficit 低水平叶-气水气压差条件下气孔导度对其小尺度变化的响应
- Role of Solar Radiation and Water Vapour Pressure Deficit in Controlling Latent Heat Flux Density in a Scots Pine Forest 在控制苏格兰松林潜热通量密度中太阳辐射和水汽压力不足的作用
- vapour pressure deficit 蒸气压差
- Vapour pressure is an important product specification. 蒸气压是一个重要的产品规格。
- Ice possesses a lower equilibrium vapour pressure than water. 冰具有比水低的平衡蒸汽压。
- The most accurate observations are made when we observe the light emitted when the vapour pressure is low. 当蒸气压很低时,可以对原子所发射的光谱作出最精确的观测。
- Net radiation (Rn) and vapor pressure deficit (VPD) were selected as influence factors to construct the regressive formula to calculate ET0. 选取净辐射和空气饱和差建立了参考作物蒸发蒸腾量的简化计算公式,并引入风速函数进行修正。
- It is practically immiscible with water, has a high boiling point and low vapour pressure. 它特别不溶于水,沸点更高,蒸汽压更低。
- The four properties, vapour pressure lowering, freezing point depression, boiling elevation, and osmotic pressure, are known as the colligative properties of solutions. 溶液的这四个特性:蒸汽压下降、凝固点降低,沸点升高和渗透压,称为溶液的依数性。
- Percentage ration of the actual vapour pressure in the air to the saturation vapour pressure with respect to water at the same temperature and pressure. 空气中的实际水气压与在相同温度和气压下的水面饱和水气压的百分比。
- Soil water content, photosynthetic active radiation (PAR), air temperature, relative air humidity, water vapor pressure deficit (VPD) and wind speed were measured at the same time. 结果表明:侧柏在不同月份晴天树干液流速率变化具有明显的昼夜节律性,呈单峰曲线;
- The feed-forward response of stomata to the change of environmental humidity could be used to explain the hysteresis response of stomatal conductance to leaf-atmosphere vapor pressure deficit. 而气孔对环境湿度变化响应的前馈机制,则可用来解释气孔导度对大气-叶片间水汽饱和差的滞后反应。
- Abstract: Reformation of medium, mini-scale boiler by means of single-chip computer can both heighten boiler heat efficiency to save energy, and make vapour pressure stable to implement safe moving and automatical control. 文摘:利用单片微机改造中小型工业锅炉,既能提高锅炉热效率,达到节能效果,又能使蒸汽压力稳定,运行安全可靠,实现控制自动化。
- Reformation of medium, mini-scale boiler by means of single-chip computer can both heighten boiler heat efficiency to save energy, and make vapour pressure stable to implement safe moving and automatical control. 利用单片微机改造中小型工业锅炉,既能提高锅炉热效率,达到节能效果,又能使蒸汽压力稳定,运行安全可靠,实现控制自动化。
- It is unfortunate that very little data exist concerning vapour pressures of solid materials which might be found in the atmosphere. 遗憾的是关于可能在大气中发现的固态物质的气压资料少得可怜。
- A concise physical picture is furnished by chemical potential curve about the law of phase equilibrium, saturated vapour pressure of curved liquid surface, evaporation and condensation etc. 通过曲线描述,提供了关于相平衡、弯曲液面饱和蒸气压以及蒸发、凝结等规律比较直观的物理图像。
- Atmospheric vapor pressure deficit 空气水蒸气压亏缺
- A cloud is a condensation of water vapour. 云是由水蒸汽凝缩而成的。