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
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。
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。
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。
systematic measurements were made on compression strength, non evaporable water and CH content of mortar samples.
55的砂浆试样 ,经标准养护 (d) 7,2 8,90 ,180和 36 5时的抗压强度、浆体非蒸发水量和 CH含量 ,进行了系统测试 。
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
cumulative evapotranspiration and precipitation
蒸发蒸腾的积累及降水量
Research on the Relationship of Water Evaporations Between Two Different Evaporators
不同蒸发器水面蒸发量相互关系分析研究
equivalent evaporation
等量蒸发;等效蒸发量;当量蒸发量;蒸发当量
Variation of Precipitation and Evaporation in Haikou City in recent 50 years
近50a海口市降水量与蒸发量变化
Evapotranspiration may deplete the soil moisture and rob supplies of ground water.
蒸发蒸腾作用能消耗土壤水分，减少地下水的水量供应。
Effect of irrigation on winter wheat yield,evapotranspiration and water use efficiency in North China Plain
华北平原灌溉量对冬小麦产量、蒸发蒸腾量、水分利用效率的影响
an instrument that measures rate of evaporation of water.
用来测量水的蒸发作用的比率的仪器。
While water evaporate, a large amount of heat is absorbed.
水蒸发时，大量的热被吸收了。
While water evaporates, a large amount of heat is absorbed.
当水蒸发时，大量的热被吸收了。
Influence of large-scale irrigation and irrigation water sources on pan evaporation
大范围灌溉及不同灌溉水源对蒸发皿蒸发量的影响
There is generally more evaporation over the oceans and more precipitation over the land.
通常在海洋蒸发量较大，而陆地上则降水量较大。
Water quality--Determination of volatile phenolic compounds--After distillation with bromine method
GB/T7491-1987水质挥发酚的测定蒸馏后溴化容量法
Quality criterion of water and steam for generating unit and steam power equipment
GB/T12145-1999火力发电机组及蒸汽动力设备水汽质量
The Determination of Water Surface Evaporation in Mountainous Area With Limited Weather Data
气象数据缺测条件下山区水面蒸发量的确定
Principal Component Analysis of Water Surface Evaporation in Manasi Irrigation Region
新疆玛纳斯灌区水面蒸发量主成分分析
steam generator water tank filler
蒸汽发生器水罐进水口
steam generator water tank drain
蒸汽发生器水罐放水口