Consulted the hydrostat discount rate method used in the tunnel lining designation to determine the external water pressure, the slope stability factor algorithm simplified osmotic pressure in aeration zone to hydrostatic pressure after discount on the basis of investigation was suggested for the first time.
以现场调查为基础，参照水工隧洞设计中考虑外水压力的水力折减系数法，首次提出了将包气带渗透力概化为经水力折减后的面力的简化算法。
The supplementation of groundwater from precipitation infiltration or its transformation into atmospheric water through evaporation are realized by the increment, decrement or transportation of water in aeration zone constituents under the action of hydraulic gradient in rock and soil.
水文地质意义；降水入渗；补给地下水；含水率；水势梯度；变化幅度；岩土；包气带水；降水入渗补给地下水或者地下水蒸发转化为大气水，都是在岩土水势梯度作用下，通过包气带水分量的增加、减少和传输实现的。
We researched the transport and transformation of COD in aeration zone by the simulative experiment in.
在实验室内采用一定浓度的COD废水为水样，进行了静态吸附、静态降解和动态土柱试验，对COD在饱和土层中迁移转化规律进行研究，提出了描述COD在包气带中迁移转化规律的数学模型。
When underbalanced drilling or drilling easy leaky zone by using aeration fluid, the determination of fluid density and downhole fluid column pressure is very important.
文中从钻井现场能够采集的数据入手，介绍了泡沫流体、充气流体密度及液柱压力的计算方法，并开发出相关的计算软件，对泡沫和充气流体钻井设计及现场作业具有一定的指导意义。
In addition, according to the air source in the aeration control circuit the method to increase proportionality (scale) of actuating mechanism and to set up controlled dead zone is adopted in order to improve aeration control performance.
针对选矿厂的气源情况，在充气量控制回路中，采用了提高执行机构比例度和设置控制死区的方式来改善充气量控制特性。
In the alpine-gorge area exists a very thick aeration zone, where the bifurcation of tracing water occurs ubiquitously.
在高山峡谷区，包气带深厚，示踪水流的分流现象十分普遍；
Study on Biodegradation of Oil Pollutants on the Polluted Soils of the Aeration Zone
包气带土层中石油污染物的微生物降解研究
By using the black? box model, the variation quantity of COD passing the aeration zone layer is determined.
通过黑箱模型，确定了COD经包气带地层的变化量。
The groundwater recharge rule study in the condition of aeration zone incrassation
包气带增厚条件下地下水补给规律研究
Experimental study of the self-purification capacity of COD in the aeration zone layers
COD在包气带地层中自净能力的试验研究
Experimental Research on Contamination Status of Groundwater System and Aeration Zone Self-purification of Yanji City
延吉市地下水系统污染现状及包气带自净规律试验研究
Crude oil contaminant shift in aeration zone and is controlled by concentration of crude oil contaminant, contaminant shall shift down and pollute groundwater when concentration of crude oil contaminant has exceeded the approximate remnant saturation degree.
油污染在包气带中迁移受油污染浓度大小的控制，当石油污染物的浓度大于近似残余饱和度，污染物向下迁移，对地下水产生污染。
This article introduces a method for determining hydrogeological parameters such as the field capacity in zone of aeration and the specific yield in aquifer where water content is varied.
本文介绍利用中子仪测定水文地质参数包气带田间持水量和含水层变幅带给水度的原理与方法。
According to particular conditions of Zhanjiang city's hydrogeological condition, DRASTIC model is simplified specifically and zone of aeration (thickness, lithology, structure) as well as topography is selected as assessment factors of shallow groundwater.
根据湛江市浅层地下水水文地质状况，在特定情况下对DRASTIC模型进行合理简化，选取包气带岩性、厚度与结构、地形作为评价因子，并利用GIS技术编制浅层地下水防污性能分区图。
The Effect of Coal-mining Subsidence on Aeration Zone Structure in the Shenfu-Dongsheng Mining Area
神府&东胜矿区采煤塌陷对包气带结构的影响
By modelling the aeration environment of agricultral irrigation in soil columns, the cultral microorganism cleaning nitrate by denitrification in aeration zone is studied.
利用土柱模拟农田污灌下的包气带环境，对人工微生物在包气带中反硝化作用除氮进行了研究。
Mixed liquid internal reflux revolving gate, specifically designed for surface aeration oxidation ditch with prepositive denitrification treatment, the greatest feature is available to achieve high reflux ratio of nitrification liquid to the anoxic zone to get a higher level of nitrogen removal.
混合液内回流旋转门是专为设置有前置反硝化区的表曝型氧化沟而设计，其最大特点是可实现硝化液至缺氧区的高回流比，达到较高程度总氮的去除。
Some problems of common theories-capillary potential theory, soil moisture potential theory, laminar flow theory and wetting front infiltration theory-studying the moisture migration in aeration zone are summarized.
该文对研究包气带水分运移常用的毛管势理论、土水势理论、层流理论和湿润锋面入渗理论存在的问题进行了综述。
Study of the Movement of Water in the Aeration Zone by the Zero Flux Plane Method
应用零通量面方法研究包气带水分的运移规律
The movement of the water in aeration zone is different at different depth, if the Zero flux potentials exist in the aeration zone.
当包气带中存在零通量面时，包气带中水分的运移是分带的。