According to these water drop diameters and heat conduction formula, the thermo characteristics of rain zone in industrial cooling towers can be computed and illustrated by figures and formulas.
本文首先通过不同淋水高度、淋水密度、过塔风速等的逆流及横流试验塔的热水试验,求出相应条件下的淋水水滴当量直径,再在工业塔的条件下,利用水滴散热公式,计算出雨区散热效果,化为无因次数-冷却数,作出图及计算公式。
This paper focuses the durability influence on concrete structure resulted from the corrosion air(mainly SO-2) in the acid rain zone.
基于酸雨区混凝土的侵蚀机理分析,结合宜宾市的混凝土结构工程实际背景,初步从材料选用、结构设计、施工措施、维护管理以及大气环境制控制等方面提出一些针对性的建议。
According to a serial of wind tunnel experiments,it can be proved that mountain rain shadow region has same effect principle as reflow region of airflow over a vertical plane plate,and it is reasonable to calculate the width of mountain rain shadow region according to 15 H of the height of the mountain in Hainan Island.
风洞系列实验证明,山体雨影区与垂直平板绕流后回流区的作用原理是一致的,山体雨影区的宽度是山体高度的15H。
This text has analyzed the effects of storm in Deqing area on peak flow of Gaoyao hydrological station,and it will be the certain reference significance in analysis of the characteristics of extraordinary flood and the effects of interval storm on the floo.
介绍了洪水的基本情况及流域概况,分析了德庆区间暴雨对高要站洪峰的影响,为了解暴雨洪水的特性及区间降雨对西江洪水预报的影响提供参考借鉴。
The water damage of expressway asphalt pavements is outstanding in rainy regions.
高速公路沥青混凝土路面的水损害,在多雨地区尤其突出。
On the base of the discussion on the drainage system 、mode of drainage and rainwater division,the article get a few conclusions for the municipal construction reference.
雨水规划对城市管网建设、河涌整治等相关工作有指导作用,文章从排水体制、排涝模数、雨水分区等三方面作了一些探讨,可供规划建设参考。
The pollution of acid rain is being stabilized in terms of affecting area and seriousness. Acid rain pollution is rather serious in the south, with acid rain falling on over 90 percent of the cities subject to the control of sulphur dioxide and acid rain.
酸雨区范围和污染程度稳定，南方地区酸雨污染较重，酸雨控制区内90%以上的城市出现了酸雨；
rain forest (thick evergreen forest in tropical regions with heavy rainfall)
雨林（热带地区多雨的茂密常绿森林）.
A Case Study on Dynamics of Summer Rainstorm in Meiyu Period in Huangshan Mountain Area
黄山地区梅雨期暴雨个例的诊断分析
the annual precipitationof the region
该地区的年降雨量.
occasional isolated shower
间中有局部地区性骤雨
spatial variation in rainfall
雨量分布的地区性差异
Eastern regions will have heavy rain today.
东部区域今天将有大雨。
The acid rain pollution in the south is rather serious, with acid rain in over 90% of the cities in the acid rain control zone.
南方地区酸雨污染较重，酸雨控制区内90%以上的城市出现了酸雨。
The region received just half its normal annual fall of rain,
这个地区降雨量只是正常的年降雨量的一半，
Rain in that district is so scarce that several years often go by without a single drop.
那一地区雨水非常稀少，往往几年不下一滴雨。
Much of the Deep South is still getting snow, sleet, and rain.
许多南部地区仍然遭受着大雪，冰雨和大雨中。
Study on rainfall characteristics and rainstorm prediction in Shengfu region of N.Shaanxi
陕北神府地区降雨特征及暴雨预报研究
The Comprehensive Analysis on the Chemical Consistent of Precipitation and the Formation of Acid Rain at Chengdu Urban Area;
成都市区降雨化学组成及酸雨成因综合分析
Study on the Simulation and Utilization of Storm Water in Urban Area;
城市化地区雨洪模拟及雨洪资源化利用研究
The Customs to Pray for Rain in Datong In Yuan Dynasty Seen from "The Gains of Praying for Rain";
从《祈雨感应碑记》看元代大同地区的祈雨风俗
Character Analysis of Meso-scale Rain Group in a Regional Rainstorm Process
一次区域性暴雨过程的中尺度雨团特征分析
A Study on Landslide Susceptivity Classification and Rainfall Threshold in Wanxiu District of Wuzhou City in Guangxi Zhuang Autonomous Region;
广西梧州市万秀区区域降雨型滑坡危险性区划及降雨临界值研究
There are more insects in tropical rainforest zones than in temperate grass zones.
热带雨林区的昆虫比温带草原区的多。