1) Water evaporation capac ity
水分蒸发量
2) evaporated quantity of water
水蒸发量
3) water evaporation quantity
蒸发水量
1.
Influence of calculation formula of water evaporation quantity on water saving of circulating cooling water system
蒸发水量计算公式对循环冷却水节水的影响
4) water evaporation
水分蒸发
1.
A program is coded to simulate the water evaporation on airway surface and heat transfer between wet airway surface and airflow.
对计算潮湿巷道中风流温度和湿度的方法进行改进,提出将饱和空气含湿量与温度的关系拟合为二次曲线计算巷道壁面水分蒸发的方法,编制模拟潮湿巷道中风流与围岩热交换和巷道壁面水分蒸发的计算机程序,解算出风流温度及湿度的变化规律。
2.
Wetness factor was adopted to deal with the water evaporation on airway surface.
笔者采用湿度系数法对壁面水分蒸发进行了处理,对计算壁面处饱和空气含湿量的方法进行了改进,将饱和空气含湿量与温度的关系拟合为二次曲线;建立了在考虑壁面水分蒸发情况下解算巷道围岩温度场分布及围岩向风流的散热量的数学方程,并采用异步长有限差分法对其进行了数值模拟求解;解算出巷道壁面水分蒸发情况下围岩温度分布、壁面温度和围岩散热量的变化规律;并与将饱和空气含湿量与温度的关系拟合为线型关系曲线时的解算结果进行了对比,将饱和空气含湿量和温度之间的关系拟合为线性的计算结果存在一定的误差,通风时间越长,湿度系数越大,风流相对湿度越小,拟合为线性时计算出来的壁面温度和围岩散热量的误差越大。
3.
A general mathematical model for investigating simultaneous heat and moisture transfer and water evaporation in porous soil with unsaturated and dry regions was proposed by considering of the temperature effect on soil moisture migration, based on the volume - averaging method and a set of governing equations were developed.
考虑温度对土壤湿分迁移的影响,建立描述存在干饱和层时的土壤热湿传递的数学模型,并就自然环境和恒定太阳辐照下两种情况进行数值模拟,获得不同环境条件下土壤中温度和湿分分布以及水分蒸发的动态特性,分析干饱和土壤层对土壤热湿迁移与水分蒸发以及温度对土壤湿分传输的影响。
5) evaporation
[英][i,væpə'reiʃən] [美][ɪ,væpə'reʃən]
水分蒸发
1.
The water evaporation and plastic-shrinkage cracking of cement mortars with different mix proportions were studied using concrete brick as base material.
以混凝土小砌块为基板,研究了不同配比砂浆表面的水分蒸发和塑性收缩裂缝情况,结果表明:随着胶砂比和水胶比的减小,水分蒸发总量和水分蒸发速度逐渐减小,塑性收缩裂缝出现较早,裂缝数量及裂缝总权值均有所减小;掺加聚丙烯纤维后砂浆表面的水分蒸发总量和水分蒸发速度等都有所下降,塑性收缩裂缝出现较晚,裂缝数量和裂缝总权值也显著减少;砂浆表面的水分蒸发越快、蒸发量越大,砂浆越容易出现塑性收缩裂缝,且裂缝总量也较大;当砂浆表面水分蒸发速度小于0。
2.
To study the influence of the content of fly ash and slag and the proportions of slag-fly ash on the early-age restraint cracking behaviors of concrete,the cracking behaviors of concrete was analyzed combining the test of the evaporation capacity and electrical resisitivity of the concrete using the modified flat-type specimen.
为了研究粉煤灰、矿渣掺量及其复掺比例对混凝土早期约束开裂性能的影响,本文采用改进的平板法进行混凝土早期约束开裂性能的试验研究,同时结合水分蒸发量和电阻率试验进行混凝土开裂性能研究分析。
3.
Based on nature evaporation experimentation with artificial controlled precipitation, the evaporation and availability of soil water to plant under 50% cover rate conditions with four types of mulch materials, including plastic film, water permeable plastic film, hay and sponge plastic sheet, were studied.
采用旱棚人工控水,蒸发桶整体称重法,对4种地面覆盖材料、50%覆盖度条件下,土壤水分蒸发与移动性能进行了研究。
6) water surface evaporation
水面蒸发量
1.
According to the conventional meteorology observation data and the water surface evaporation of 20 m2 experimental pool from 1997 to 2000 in Changji,the paper sets up the forecast model of water surface evaporation of the Xinjiang plain area based on BP Neural Network.
利用新疆地矿局昌吉地下水均衡试验场1997—2000年非冻结期20 m2水面蒸发池的蒸发量数据,基于BP神经网络,建立新疆平原地区水面蒸发量的预测模型,结果表明:模型构建简单,误差较小,且所需资料易于获得。
2.
There are low precipitation and high evaporation in Xinjiang while water surface evaporation main stem from water loss of river runoff.
农业是新疆经济的主要支柱和优势产业,而新疆的农业是灌溉农业,渠系众多,水面蒸发量损失较大,合理地预测水面蒸发量是有效利用水资源和促进农业发展的基础。
3.
In order to make ET estimated conveniently,this research analyzed the correlation between water surface evaporation(E0) and crop evapotranspiration(ET) measured by large scale lysimeter,and the variation of evaporation coefficient.
为了更方便地估算作物蒸发蒸腾量,以大型称重式蒸渗仪实测的冬小麦蒸发蒸腾量(ET)为依据,分析了水面蒸发量(E0)与实测蒸发蒸腾量(ET)的相关性,并研究了蒸发系数的变化规律。
补充资料：蒸发量
蒸发量
evaporation amount
旧ng(evaPoration amount)一定时段内从一定的表面积的纯净水(冰)面上可能逸出的水汽量。通常所指的蒸发量实际上是指水汽分子从燕发面逸出的通量与水汽分子返回蒸发面的通量之差，即蒸发面净逸出的水汽通量。地面气象观测项目中的*.蒸发量”指的是将水置于特定容器(即蒸发器)中这样一种特殊情况下所测得的蒸发。气象上通常用所燕发的水层深度来表示蒸发量的大小，以毫米为单位。 (林哗)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条