Considering certain boundary and initial conditions,the mathematic software is used to calculate the pressure field,the funneled drop of pressure and velocity field after 100 day production of single well and multi-wells.
在基本假设条件下,建立了多井煤层气渗流数学模型;在一定的边界条件及初始条件下,利用数值模拟软件进行编程计算后,得到单井及多井开采100d后的压力场、压力漏斗降和速度场。
A method for extraction of depression cone based on digital groundwater level models
基于数字水位模型的地下水降落漏斗提取
Large quantity of continuously groundwater pumping in an area forms regional groundwater depression cone,and overexploitation leads to a series of environmental and geological problems.
对地下水资源的长期大量集中开采形成了区域性地下水位降落漏斗,地下水的超采引发了一系列环境地质问题。
After the groundwater in the middle and deep aquifers are exploited for nearly 50 years,regional depression cones in groundwater levels have formed.
文章研究了湛江市50年来的地下水流场变化特征,得出以下结论:市区中、深层承压水经过近50年的集中开采,已形成了以人工开采区为中心的区域水位降落漏斗;浅层水一直未作为集中供水水源,未形成区域水位降落漏斗。
Donglan allxiliary inclined shaft past through a especially big watery stratum by the well point method This paper introduces the well point method and analyses the construction parameter by using the Dupuit precipitation funnel theory.
屯兰矿副斜井利用井点降水法通过了特大含水表土层 ,并应用Dupuit降水漏斗理论对施工参数进行了计算 ,所得结果与实测数据一致。
A method for extraction of depression cone based on digital groundwater level models
基于数字水位模型的地下水降落漏斗提取
Analysis on Evolution of Groundwater Depression Cones and Its Leading Factors in North China Plain
华北平原地下水降落漏斗演变及主导因素分析
Limit Equilibrium Analysis of Environment Bearing Capacity for Extracting Groundwater Resource in Cove of Depression of Sanqiao,Guiyang,Guizhou
贵阳市三桥降落漏斗地下水资源开采环境承受能力极限平衡分析
Study on the Key Technologies of Water Resouces Regulation by Groundwater Depression Cone in Daqing City;
大庆市地下水位降落漏斗区水资源人工调蓄关键技术研究
Form Princple and Controlling-adjusting Research about Deep Groundwater Depression Cone in Dezhou
德州深层地下水位降落漏斗演变机制与可调控性研究
Study on Funnel-shaped Zone of Groundwater and Ground Subsidence in Linqing City
临清市地下水漏斗区与地面沉降研究
Measurement of Spherical Ceramic Particles Flowing from Three-dimensional Hopper by Particle Image Velocimetry
陶瓷球颗粒在圆形漏斗中下落速度的PIV研究
Analysis on Meteorological Contributing Factors of Groundwater Drawdown Funnel in Langfang
廊坊市地下水位下降漏斗的气象成因分析
The fighter pilost tried to set the burning plane down.
战斗机飞行员试图把起火的飞机降落下来。
Something resembling this utensil in shape.
漏斗状物外形象漏斗的物体
The Investigation of Underground Reservoir Construction in the Excess Exploited Funnel Area
超采漏斗区漏斗填充式地下水库研究
Hopper: Station on a machine (especially in binding) where printed sections are are stacked and dropped on to a conveyer belt.
漏斗:机器上的装载台（特别是装订机器）。书帖叠放其上并逐帖落下于运送带上。
infundibulectomy of right ventricle
右心室漏斗部分切除术
rivet hopper feeder
铆钉的漏斗送料机构
glory-hole system
露天放矿漏斗开采法
funnel-type guide frame
具漏斗形承口的导向架
underground milling
地下放矿漏斗开采法
He funneled the oil into the bottle.
他用漏斗把油注入瓶中。