Among which, shortages of water resource and lake surface evaporation are the major reasons.
造成断流的主要根源是源区水资源的贫乏和湖面的蒸发。
The methods of the measurement of surface evaporation and influencing factors were discussed.
讨论了目前土壤蒸发的测定和计算方法及主要影响因素;
The amount of the water surface evaporation was approximately 3.35 times that of the saturated soil evaporation.
5干热河谷典型的干热气候致使自由水面蒸发量是饱和土壤蒸发量3.35倍。
The model parameters are determined by the water surface evaporation data of many evaporation stations in different climate area.
并利用不同气候区多站水面蒸发实验资料,确定模型参数。
The surface evaporation is influenced by vapor temperature, vapor-liquid interfacial temperature and vapor-liquid pressure difference.
表面蒸发受蒸汽温度、汽液界面的温度以及汽液压力差的共同控制。
The evaporation capacity calculated by Penman-Monteith formula is suggested to replace the water surface evaporation observed for an improved regression.
建议使用彭曼公式计算的蒸发能力代替实测水面蒸发以提高拟合效果。
In this paper, it is believed that the heat transfer mechanism of phase change in a capillary tube belongs to liquid film conduction and surface evaporation.
本文认为毛细管的相变传热机理为液膜的导热和表面蒸发;表面蒸发受蒸汽温度、汽液界面的温度以及汽液压力差的共同控制。
Through successive improvement, the E-601 type of evaporimeter was stipulated as a standard measuring instrument in China for water-surface evaporation capacity in 1988.
我国水面蒸发量观测仪器类型很多,通过不断改进,1988年规范规定E- 601型蒸发器为水面蒸发测量的标准仪器。
Lower temperatures will reduce surface evaporation of constituents minimizing the capillary action that draws constituents to the surface where they would be volatilized.
较低的温度可减少成分的表面蒸发,使那种将成分吸到表面并挥发掉的毛细管现象降到最小。
In conclusion, there were some differences in the results of soil surface evaporation, when the leaf area index was large. A further study was needed under high-frequency irrigation.
分析认为,当叶面积指数较大时,棵间蒸发的现有研究结果尚存在较大的差别,而且高频灌溉条件下的土面蒸发有待于进一步研究。
As each year's snow accumulation lay on the surface, evaporation and melting caused the snowflakes slowly to lose their feathery points and become tiny grains of ice.
由于每年的雪花积累在表面之上,蒸发和融化使得雪花慢慢失去其羽状尖端而变成微小的冰粒。
While evaporation from the oceans is the primary vehicle for driving the surface-to-atmosphere portion of the hydrologic cycle, transpiration is also significant.
虽然海洋蒸发的水蒸气是水循环中地球表面到大气这一渠道的首要组成部分,植物蒸腾所占的部分也颇为惊人。
Re-dissolve in thinner: When an acrylic lacquer is sprayed onto a surface it dries by evaporation of the thinner.
在稀释剂中再溶解:喷到表面的丙烯酸漆通过稀释剂的蒸发来干燥。
Then, he said, evaporation would slow down as the surface area shrank, and the water level would stabilize.
然后,水的蒸发和水表面积缩小都会变缓,最后水位会趋于平衡。
Leaf area index and surface soil moisture are two basic factors of controlling evaporation.
叶面积指数和表层土壤含水量是控制蒸发的两个基本因素。
Leave a clean, residue - free surface after evaporation.
挥发后留下清洁和没有痕迹的表面。
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。
This paper introduced a concept of soil surface resistance to explain the process of soil water evaporation and put forward a method for determination of soil surface resistance in lab.
引入土壤表面阻力概念来说明土壤水分蒸发过程,提出了实验室测定其大小的整套试验方法。
The model consists of a set of algorithms, describing the processes of advection, turbulent diffusion, surface spreading, vertical dispersion, emulsification and evaporation.
该模型包含了一系列的数学公式来描述对流、湍扩散、表面扩展、铅直扩散、乳化和蒸发过程。
On the basis of the above, the author studied and analyzed the relations between soil surface resistance and evaporation and main factors that influence the evaporation.
在此基础上,对土壤表面阻力与蒸发、影响蒸发的主要因子的关系进行了分析研究。
The experimental study on the performance of nucleate boiling of R22 outside the surface enhanced evaporation tubes was conducted by use of four two-sides enhanced tubes with different geometries.
介绍了表面增强型蒸发强化管,并对氟利昂制冷工质R22在该管外的沸腾换热进行了实验研究。
Soil water is the link of the continuum, which makes soil system, plant system and atmosphere system become a continuum by water absorption of root system and water evaporation of soil surface.
土壤水分通过植物根系和土面蒸发进入大气从而使三者成为一连续统。
Three additional sensitive experiments are carried out to investigate the effect of condensation latent heating, evaporation cooling and surface heat flux.
进行三组敏感性试验,研究凝结潜热释放,蒸发冷却与地表热通量对气旋结构与强度的影响。
The statistic shows the amount of evaporation on surface water is decreasing.
统计资料结果表明,水面蒸发量呈明显减少趋势。
The statistic shows the amount of evaporation on surface water is decreasing.
统计资料结果表明,水面蒸发量呈明显减少趋势。
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