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降水
相关语句
  precipitation
    AN EQUILIBRIUM MODEL FOR PRECIPITATION PESOURCES ASSESSMENT IN WATER DEFICIT AREA
    水分不足地区降水资源供需平衡模式
短句来源
    PRECIPITATION RESOURCES AND ITS STABILITY AND POTENTIAL PREDICTABILITY OVER CHINA -PART Ⅱ:POTENTIAL PREDITABILITY
    我国的降水资源及其稳定性与潜在可预报性(Ⅱ)潜在可预报性
短句来源
    THE BASIC PRECIPITATION FEATURES OF YUNNAN PROVINCE IN RECENT 40 YEARS
    云南省40年降水的基本特征
短句来源
    Computational Method of Error Analysis in Precipitation Observation
    降水观测误差分析计算方法
短句来源
    Study on Random Model of Precipitation and Evaportranspiration in Huaihe River Basin
    淮河流域降水蒸发随机模型研究
短句来源
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  rainfall
    Relationship among Summer Rainfall in Shandong and North Pacific SST and Atmospheric Circulations
    山东夏季降水与北太平洋SST和大气环流的关系
短句来源
    Comparative Study of Monthly Rainfall Runoff Models in North China
    华北地区流域月降水径流模型比较研究
短句来源
    Analysis of Rainfall Distribution and the Variation Features in the Region of Hekouzhen to Longmen in the Middle Yellow River
    黄河中游河龙区间降水分布及其变化特点分析
短句来源
    Comparison of the impact of ENSO on the rainfall over Southern China and India
    ENSO对我国江南及印度降水影响的比较
短句来源
    Variation of Rainfall over East Area of Jianghuai Watershed Anhui Province and Its Connection to Sediment Transport in Chi River Watershed
    皖江淮分水岭东部降水变化与池河流域输沙关系的研究
短句来源
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  dewatering
    A PRACTICAL CALCULATION METHOD FOR MULTIPLE WELL DEWATERING SYSTEM
    群井降水的实用计算方法
短句来源
    Dewatering Calculation in Foundation pit not Completely Watertight
    非完全隔水基坑的降水计算
短句来源
    Application of Deep Well Dewatering in Culvert Laying Project for Pivot Overpass in Huaian
    深井降水在淮安枢纽立交地涵工程中的应用
短句来源
    Dewatering Technology for Underdrain Construction
    浑河截流暗渠施工降水技术
短句来源
    Research on Design and Construction of Group Wells and Equivalent Calculation Model of Non-constantly Pumping Dewatering Well in Erhe Project
    二河工程非定常抽水降水井的等效计算模型及群井设计、施工研究
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  “降水”译为未确定词的双语例句
    The Design and Calculation of Wellpoint System in a Pumping Station
    泵站井点降水系统设计计算
短句来源
    The Q3al, Q4eol and basement groundwater flow subsystems receive the influent seepage recharge from the meteoric water, and then discharge at the eastern edge of Q3al.
    Q3al、Q4eol及基岩潜水流动子系统都接受大气降水入渗补给,最终通过Q3al的东侧边界排入黄河.
短句来源
    Simulation of Influence of Climate Change on Water Resource over Luanhe River Valley Using a Hydrological Model (I): Introduction of Precipitation-Runoff Modeling System(PRMS) and Its Replant over Luanhe River Valley
    气候变化对滦河流域水资源影响的水文模式模拟 (Ⅰ)降水径流模式系统(PRMS)介绍及其在滦河流域的移植
短句来源
    Finite element analysis of foundation pit drainage in hydro project
    水利枢纽工程基坑降水问题的有限元分析
短句来源
    Application of Lowering Water Level by Iarge Diameter Well Point to Construction of Berth 31~# and Berth 32~#
    大口径井点降水在31~#、32~#泊位施工中的应用
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  precipitation
The water-soluble glucan was obtained from Pleurotus florida fruit bodies by hot water extraction, ethanol precipitation, DEAE cellulose dialysis and Sephadex G-75 gel filtration.
      
Preparation and characterization of nanocrystalline ZnO by direct precipitation method
      
Nanocrystalline ZnO was prepared with ZnCl2·2H2O and (NH4)2CO3 as raw materials by direct precipitation method.
      
The ion-exchanger LiAlTiO4 of spinel type was prepared by the common precipitation/hydrothermal crystallization method, and was acid-modified.
      
The precursors of Fe2O3-SiO2 mixed oxides prepared through co-precipitation method were modified by microwave hydrothermal treatment for the first time.
      
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  rainfall
The two sites have similar altitudes, soil types, annual mean rainfall and seasonality of dry and wet.
      
At the same time, better correlative relationship between runoff and sediment production and rainfall and rainfall intensity were testified by multiple regression, but the correlation decreased gradually with the increase of canopy density of forest.
      
When the soil is covered only by litter, both the maximal rainfall amount and intensity in different forest stands are different if there is no water infiltration and runoff from the ground surface.
      
The river runoff had a close correlation with annual rainfall, the size of forest harvesting and regeneration.
      
The reduction of peak flow rates was significant when rainfall peak was higher than 0.8 mm/min, especially for short-term rainfall events.
      
更多          
  dewatering
The flocculating activity of polyelectrolytes is determined in aqueous kaolin suspensions and also in dewatering of an active sludge.
      
The annual average sludge production was 46.3 m3d-1, the annual average dosage for dewatering was 40 kg d-1.
      
Even when little saccharification occurred, the enzyme facilitated separation of water, fiber, and ash, so cellulase treatment could be an effective means for dewatering pulp sludges.
      
Dewatering of the released osmolyte would occur in two additional steps, consisting of its hydrolysis and the subsequent active uptake of its metabolites.
      
Dewatering and decontamination of artificially contaminated sediments during electrokinetic sedimentation and remediation proces
      
更多          


This paper states that the runoff is independent of precipitation on the upper Yellow River from April to June, and suggests that the earlier main streamflow is forecasted by the factors such as the snowfall and the temperatures in the past winter and the spring as well as the early runoff and the coefficient of main streamflow. Applying the method of probability statistics, mainly regression analysis and time series analysis, the prediction has been investigated and studied, The authors put forward some suggestions...

This paper states that the runoff is independent of precipitation on the upper Yellow River from April to June, and suggests that the earlier main streamflow is forecasted by the factors such as the snowfall and the temperatures in the past winter and the spring as well as the early runoff and the coefficient of main streamflow. Applying the method of probability statistics, mainly regression analysis and time series analysis, the prediction has been investigated and studied, The authors put forward some suggestions on theory and practical calculation. The prediction of the years 1981, 1982 and 1983 has been tried and forecastad, especially that of the runoff from April to June of the year 1982 is examined. The opinion for completing this work hereafter is also proposed.

本文提出了黄河上游四——六月的径流量不是以降水为主的观点。指出前期的退水(文中称“基流”),冬、春雪,冬、春温,前期流量,退水系数等可作为预报因子。应用概率统计方法(主要是回归分析和时间序列分析),进行了预报的探讨和研究,在理论上和计算实践上提出了一些见介和看法。对81、82、83年进行了试报,着重介绍了82年4—6月径流预报的尝试。对今后怎样继续作好这项工作提出了看法。

Water in a valuable natural resource. With the development of production, the growth of the production and the continuous increase of the living standards of the people, the demands for water also rises. But water is not inexhaustible. In fact, there do exist problems of water supply in some places in Hupei Ptblvince. Therefore, attention should be paid to a comprehensive survey of irsoting sources of water and their rational use. 1. The Value of Water Resources

本文对湖北省大气降水、地表径流、地下水等水资源,及各河流的水质进行了评价。并对水资源的合理利用,即对水利建设、发展水产、开发地下水及充分利用水能等问题进行了探讨。

Several analytical models and kernel functions fot rainfall-runoff relationship are examined in this paper using hydrological principles. Different types of storage models are proposed, including time variant trod invariant, linear and non-linear, and combinations of these. Three solution approaches are proposed, an incomplete Beta function integral, a polynomial integration and an integration byfinite terma. Nonlinear outflow hydrographs are computed for two representative cases for a small watershed.

本文利用水文学原理对降水—径流关系验证了几种分析模型和响应函数,提出了时变、时不变、线性和非线性以及它们各种组合型蓄水模型,并提出了不完全β函数积分法、多项式积分法和有限元积分法等三种近似解法,还对一个小流域的两种典型情况计算了其非线性出流量过程线。

 
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