暗管排水的英文

• closed drainage
• tile drainage

• "暗管"英文翻译    concealed piping; covered co ...
• "排水"英文翻译    drain off water; drain away ...
• "暗管 暗沟 排水暗管" 英文翻译 :    underdrain
• "排水暗管" 英文翻译 :    closed drain
• "陶管排水" 英文翻译 :    tile drainage
• "瓦管排水" 英文翻译 :    clay pipe drainage; tile drainage
• "瓦管排水沟" 英文翻译 :    tile drain
• "瓦管排水系统" 英文翻译 :    tile drainage system
• "竹管排水暗沟" 英文翻译 :    bamboo drain
• "暗管" 英文翻译 :    concealed [conduit] piping; covered conduit◇暗管排水 closed drainage; covered drain
• "地下花管排水系统" 英文翻译 :    underground perforated drainpipe system
• "呼吸管排水吹气" 英文翻译 :    the whale blast
• "集组瓦管排水系统" 英文翻译 :    group tile drainage system
• "沥滤场 瓦管排水场" 英文翻译 :    tile field
• "前置式呼吸管排水" 英文翻译 :    the dolphin puff
• "管排" 英文翻译 :    bank of tubes; row of tubes
• "暗管,暗渠" 英文翻译 :    closed conduit
• "暗管道" 英文翻译 :    closed conduit
• "暗管流" 英文翻译 :    closed conduit flow
• "暗管线" 英文翻译 :    closed conduit wiring
• "管排；管架" 英文翻译 :    pipe rack
• "暗管连线" 英文翻译 :    conduit wiring
• "暗管系统" 英文翻译 :    conduit system
• "地面暗管道" 英文翻译 :    underfloor duct
• "横向暗管" 英文翻译 :    cross conduit

• Analysis of spatial variability of soil characteristics and crop yield under subsurface drainage
  暗管排水条件下土壤特性和作物产量的空间变异性分析
• Application of nitrogen leaching losses mixed simulative model in tile effluent from the drained paddy rice field
  暗管排水稻田中氮素淋失动态混合模型及应用
• Experiment and research on seepage effect by underground pipe drainage system of paddy field in saline soil coastland
  滨海盐土地区稻田暗管排水效果试验研究
• Determining optimal space and depth of the subsurface plastic drainage tubes is a main task in planning and design of a drainage system
  农田塑料暗管埋深和间距的确定，是塑料暗管排水系统规划设计的主要任务，关系到排水效果和投资效益。
• The permeability of 12 types of geotextiles , used as sub - drain pipe filters , were tested andcompared under two kinds of soils sampled from ningxia yinbei drainage project area
  采用一维和二维渗透模型对土工织物作为农田暗管排水外包滤料进行了试验研究。
• Abstract : the permeability of 12 types of geotextiles , used as sub - drain pipe filters , were tested andcompared under two kinds of soils sampled from ningxia yinbei drainage project area
  文摘:采用一维和二维渗透模型对土工织物作为农田暗管排水外包滤料进行了试验研究。
• After analyzing the adaptability of molepipe drainage , an underground water table regulation is given out . finally , the efficiency of the drainage technique is determined after its comparison with gutter drainage and vertical drainage , and deep research on the effect of molepipe drainage on water table in a typically selected area
  对暗管排水的适应性进行分析，提出了灌区地下水调控标准，与明沟排水和竖井排灌相比较，对暗管排水典型区调控地下水位的效果进行深入的分析研究，以确定这一排水技术的效果。
• This paper evaluates the underground water resources and its safe levels of miming , and then studies the availability of molepipe drainage , a kind of practical underground water regulation technique . starting with the elevation of underground water resources and a safe level of mining through variable system theory , this paper analyzes the conditions of underground water resources based on the well - studied determination method of determining the two hydrographical coefficients : rainfall infiltration replenishment rate and irrigation replenishment rate . then considering irrigation , rainfall , drainage and other related factors , a mathematical model is set up for the calculation of underground water storage , exploitation on water regulation
  论文从灌区的地下水资源及其可开采量评价分析方面入手，在对两个主要的水文地质参数即降雨入渗补给系数、灌溉入渗补给系数确定方法研究的基础上，对灌区的地下水资源状况进行分析，依据灌区的灌溉、降雨、排水条件及各种现状因素，建立了地下水资源量计算的数学模型，西安理工大学工程硕士专业学位论文计算得到青铜峡灌区地下水的最大补给量和可开采量;另外对在开发利用地下水资源过程中的地下水位的调控进行了初步的探讨，在银北灌区开展对暗管排水调控地下水位的试验研究。
• Compared with the reality , it shows that this model and its parameters are defined reasonablly . to analyse the arrangement of drainage system with different spacings and depths , with unsteady flow formula and benefit index , this paper gives a two - dimensional non - linear programing model for arrangement of drainage system in the barley field , which can be solved by the method of projected gradient . by this model , we make out the optimum solution of spacings and depth of pvc pipe in littoral area of changjiang river that is s = 21 . 5 8m , h = l . lm
  论文通过对不同埋深、间距的塑料暗管排水布局的分析，结合非稳定流公式和效益指标，提出了麦田排水暗管布局的二维非线性规划模型，并利用梯度投影法求解，得出长江下游滨海地区塑料排水暗管埋设的最优方案为埋深h = 1 . 1m ，间距s = 21 . 58m 。