1) moisture evaporation rate
水分蒸发效率
1.
The results showed that:1) the microwave drying process of wood was divided into three stages:accelerating,constant-speed and decelerating;2) during the microwave drying process,the average drying rate and specific moisture evaporation rate were higher when the wood moisture c.
结果表明:木材微波干燥过程可以分成加速段、恒速段和减速段3个阶段;在微波干燥过程中,木材含水率在纤维饱和点以上时,其平均干燥速率和水分蒸发效率比在纤维饱和点以下时的高;采用适当间歇辐射对木材输入微波能,微波能利用率较高。
2) rate of water evaporation
水分蒸发速率
1.
In order to study the effect of retention rate and air content on the plastic shrinkage and cracking of mortar,relations between retention rate and air content with the rate of water evaporation and the plastic tensile strength was studied under three different conditions.
通过研究在三种不同环境条件下的砂浆保水率、含气量与塑性抗拉强度和水分蒸发速率的关系,探讨砂浆保水率和含气量对砂浆塑性收缩开裂的影响。
3) evaporating efficiency
蒸发效率
1.
Calculating material balance and evaporating efficiency ofdouble decomposition reaction produce KNO_3;
生产硝酸钾的物料平衡及蒸发效率计算
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 evaporation rate
土壤水分蒸发速率
补充资料：配置效率和生产效率
在经济学上，经济发展的动力，或者说效率的来源，分为两类：一类是配置效率，二是生产效率。所谓配置效率，是指给定资源和技术的条件下，怎么样使资源从边际生产率低的地方流向边际生产率高的地方，从而使得资源和利用更合理、社会总价值达到最大;而生产效率是指如何通过技术进步提高每一种资源的生产率，也就是把社会的生产可行性边界向外移。
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