包气带为地表附近的植物根系提供水分。
The vadose zone supplies plant roots near the surface with water.
地下水位的上方是包气带，雨水从中渗透。
Above the water table is the vadose zone, through which rainwater percolates.
包气带中的水会沉降到地下水位，只在矿物颗粒表面留下一层薄薄的水膜。
Water in the vadose zone drains down to the water table, leaving behind a thin coating of water on mineral grains.
潜水面与地表之间的地带称为饱气带。
The zone between the water table and the surface is called the zone of aeration.
试验结果符合COD在包气带地层中的一般降解规律。
The experimental result agrees with the general relieving law of COD in the aeration zone layer.
通过黑箱模型，确定了COD经包气带地层的变化量。
By using the black? Box model, the variation quantity of COD passing the aeration zone layer is determined.
包气带可以更有效地作为一个单一的水分连续介质来看待。
The zone of aeration may be treated more efficiently as a single moisture continuum.
包气带水分、盐份的分布和运移对地表植被生长有着重要的影响。
The plants growing on the land surface can be affected by the occurrence and movement of water and salt in the aeration zone.
西北荒漠化地区，包气带中的水分除来自大气降水外，还来自凝结水。
In desertification areas of northwest China, the water content in the unsaturated zone originates from atmospheric precipitation and from water condensation.
污水经过包气带，能有效地去除污水中的有害物质，防止地下水污染。
Through the vadose zone can effectively remove the harmful substances in waste water and prevent groundwater pollution.
介绍最近研制的一台双向进气带第二小孔阀型二级脉管制冷机实验情况。
In this paper an experimental investigation on a recently developed two stage double inlet pulse tube refrigerator with a minor orifice is introduced.
冻结滞水指因冬季的冻结作用在包气带冻土层内形成的季节性固态地下水。
The frozen perched groundwater is the seasonal soild state groundwater formed in the aeration frozen layer as a result of winter freezing.
本文以重庆为代表研究了山区城市基岩包气带对污染物传输和净化两种功能。
The two function of transmission and purification of aeration zone for pollutant in mountain city have been discussed by taking Chongging as a typical representative.
在包气带剖面中，在某时刻水土势、含水量、含盐量随深度变化的趋势相同。
Sometime the matrix potential of soil water, moisture capacity and the total content of salt capacity in the soil have the same trends of change with depth.
基于VBA程序的理论分析表明，在排水早期，砂柱包气带中存在大量的水。
Theoretical analyses based on the VBA program show that there is a substantial amount of water in the vadose zone at earlier times of drainage.
不同盆地有不同深度的生油主带，因而也有不同深度范围生气主带(干气带)。
Different basin has different depth for main oil generating zone, so for main gas generating zone (dry gas zone).
研究表明：中国煤层气的有利聚气带和目标区主要分布在华北聚气区和华南聚气区；
The investigation shows that the potential regions and target areas occur mainly in the North China and South China gas accumulation regions.
本文介绍本院野外试验场包气带土壤结构和渗透性参数实验分析的主要方法及其结果。
Measurement of soil grain and pore size distribution, observation of soil microstructure and permeability test are used to study soil structure and permeability.
本文就如何提高酸性气质量，从解决干气带液、强化脱硫装置操作管理等方面进行了论述。
Measures to improve it, such as dehydration of influent gases, enforcement of the management in the Claus unit, etc. are discussed in this paper.
地下水脆弱性主要是由含水层中的环境地球化学效应和包气带土壤结构效应共同作用的结果。
Groundwater vulnerability results from the reaction environmental geochemistry effect in aquifer and soil structure in unsaturated zone.
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。
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.
研究包气带水的形成及运动规律不仅对阐明地下水的形成具有重要意义，而且是实现农业节水的关键。
To study the rule of formation and movement of aeration zone water, it not only has important significance for groundwater forming, but also is the key for realizing water saving in agriculture.
原位渗水试验因精度高(较室内试验)、简便易行和经济成本低而在包气带岩层参数的求取中占有重要地位。
Insitu permeation test plays an important position in calculating parameters of rock formation included aeration zone, because of its high precision, convenient, simple and low cost.
它具有很强的吸附能凝聚水分，使包气带水和潜水从液态、汽态向冻结层迁移富集，形成季节性固态地下水。
The high absorption energy makes ground water in air containing zone move towards the freezing layer and produce seasonal frozen perched ground water.
根据水动力学弥散理论建立农药在包气带中运移与转化过程的数学模型，评价农药使用对地下水环境的影响。
A mathematic equation was established to model the leaching and transformation of pesticides in root zone and assess impact of pesticide on groundwater.
用本院包气带水分运移现场试验数据对HELP程序进行了验证分析，结果表明HELP程序的预测结果是合理的。
The HELP code was validated using data of field aerated moisture movement test by China Institute for RadiationProtection. The results show that simulation of HELP code is reasonable.
只有当生物还原带形成后，生化层才发育成熟，包气带对有机物能进行有效地降解和清除，具有良好的天然降解功能。
After biologic reduction zone is developed and biochemical layer is produced fully, organic contaminants can be naturally biodegraded.
即渗滤液性质对包气带介质中有机物含量具有方向性的影响作用，而包气带介质亚粘土比细砂更容易放大这种作用效果。
It means that the property of landfill leachate influences the organic matter content in the vadose zone; furthermore silt would more likely exaggerate the effects more than clay.
利用淋滤土柱的动态平衡试验法，模拟自然降雨入渗条件下，石油类污染物在吉林油田区包气带土层中的迁移转化过程。
Based on analysis of an oil field in North China, laboratory simulation of soil column and numerical model simulation were used to analyze the petroleum pollutants transportation with groundwater.
利用淋滤土柱的动态平衡试验法，模拟自然降雨入渗条件下，石油类污染物在吉林油田区包气带土层中的迁移转化过程。
Based on analysis of an oil field in North China, laboratory simulation of soil column and numerical model simulation were used to analyze the petroleum pollutants transportation with groundwater.
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