Retardation of geological barriers to transport of harmful substance;
地质屏障对有害物质在环境中运移的阻滞效应
Numerical simulation of petroleum pollutant transport in soil;
石油污染物在土壤中运移的数值模拟初探
Model verification of water and nitrate transport from a surface point source;
滴灌施肥灌溉的水氮运移数学模拟及试验验证
Experimental study on infiltration and transportation of ammonia nitrogen through the clayey soil layer;
氨氮在黏土防渗层中渗透和运移规律试验研究
Study on Simulation of Adsorption, Degradation and Transportation of Pesticide Butachlor in Sandy Loamy Soil;
农药丁草胺在砂质壤土中吸附、降解和运移规律的模拟
This paper discusses anew method of caculating critical rotational speed on the basis of studying the transportation rule of long screw drilling sludge and points out that critical rotational speed changesradially along the blade,and it is the function of feed speed.
作者在研究长螺旋钻进钻屑运移规律的基础上，建立了新的临界转速计算方法，指出临界转速沿叶片径向是变化的，并且是给进速度的函数。
Analysis of water cycle characteristics and soil water movement in the agricultural irrigation area in Inner Mongolia;
内蒙古农业灌区水循环特征及对土壤水运移影响的分析
Movement and Distribution of Anions in Cucumber Greenhouse Soil with Drip Irrigation under Film;
设施黄瓜膜下滴灌土壤中无机阴离子的运移和分布规律
Movement and Distribution of Anions in Cucumber Greenhouse Soil;
黄瓜设施栽培土壤中无机阴离子的运移和分布规律研究
Tectonic stress field and oil migration in the east of Huabei district;
华北地区东部应力场变化与油气运移
An simulating experimental study on influence of permeability of sandstone to oil migration and accumulation in Gaochentou;
高尘头地区砂层渗透率对石油运移与聚集影响的模拟实验研究
Tectono-thermal event in west foreland basin of Ordos and its effects on oil-gas migration;
鄂尔多斯西缘前陆盆地构造热事件与油气运移
Main oil-gas migration pathways of S_(2-3) oil layer in western slope zone and their effect on oil-gas accumulation;
西斜坡区萨二、三油层油气运移优势路径及对成藏的作用
The surpressure distribution and oil-gas migration in the southern slope of Dongying Depression;
东营凹陷南坡异常高压分布与油气运移
The ratios of Ts/(Ts + Tm),tricyclic terpane to 17α(H)-hopane and rearrangement sterane to regular sterane are chosen as oil migration parameters.
对塔河油田近几年开采的油井原油样品进行系统采集后,分析了原油中生物标志化合物,选取Ts/(Ts+Tm)、三环萜烷/17α(H)-藿烷和重排甾烷/规则甾烷比值作为油气运移指标,研究了塔河油田原油的运移特征。
Based on the composition and concentration changes of nitrogen compounds in the study oil samples as well as the maturity indexes of saturated and aromatic biomarkers, this paper investigated the oil migration and injection direction of Caofeidian and nearby areas in the offshore part of the Bohai Bay Basin.
利用原油中含氮化合物组成和绝对浓度的变化,结合烃类生物标志物指标研究,该文探讨了我国渤海海域曹妃甸及临近地区的油气运移特征和注入方向。
Based on detail investigation of the composition for the oils and their source rocks, pyrrolic nitrocompounds and fluid inclusions have been analyzed to trace the process of oil migration and accumulation in the Wangzhuang-Ninghai region.
在以往原油成因与油源调查基础上 ,利用非烃含氮化合物及包裹体均一化温度对该区进行油气运移方向与相对距离、成藏时间与期次的分析 。
Dynamic conditions of Mesozoic petroleum secondary migration,Ordos Basin;
鄂尔多斯盆地中生界石油二次运移动力条件
Petroleum secondary migration pathway in Mesozoic period,Ordos Basin;
鄂尔多斯盆地中生界石油二次运移通道研究
3-D and 3-phase model for secondary migration of hydrocarbon;
三维三相烃类二次运移模型
The mathematical model of gas migration in goaf was established,based on the theory of seepage and dispersion equation of gas's one-dimension flow.
运用渗流理论和瓦斯流动弥散方程建立了采空区瓦斯运移数学模型,并结合通风网络解算理论对某矿1307工作面三源二汇采空区瓦斯浓度场进行了数值模拟,分析了多种因素的影响。
In order to investigate the influence imposed by drainage gas lane to goaf gas distribuuion,mathematical model of gas migration in goaf was established basing on filtration theory.
为了考察泄排巷对采空区瓦斯分布的影响,运用滤流理论建立了采空区瓦斯运移数学模型,模拟研究了无瓦斯泄排巷、有1条泄排巷和2条泄排巷,以及泄排巷位置发生变化时采场瓦斯分布特性。
The transport equation and numeric simulation equation of gas migration in compressible coal seam with dual pore have been built up.
建立了双重孔隙、可压密煤层瓦斯运移方程和数值模拟方程，通过计算机数值模拟解，并运用相似理论，得到了煤层瓦斯压力分布曲线和煤（孔）壁瓦斯涌出衰减曲线。