1) soil cover
上覆土壤
2) overlying water
上覆水
1.
Effect of submerged plant Hydrilla verticillata on the concentrations of different phosphorus species in overlying water;
沉水植物黑藻对上覆水中各形态磷浓度的影响
2.
The distribution of nutrients in the interstitial water and overlying water in Daya Bay;
大亚湾表层沉积物间隙水与上覆水中营养盐分布特征
3.
Study on distribution characteristics of heavy metals in the overlying water and pore water of the sediments of Moshui Lake was carried out.
应用ICP-MS对墨水湖上覆水和沉积物间隙水中的主要重金属元素进行了定量测试,并分析了其空间分布特征和变化规律。
3) overlying strata
上覆岩层
1.
Analysis on the mechanism of the face-contacted blocks structure in overlying strata above the longwall face;
采场上覆岩层面接触块体结构的力学机理分析
2.
Based on the experiment with similar material,the laws of the extra subsidence on the surface and the stress vary inside overlying strata by newly increased load on the surface above worked-out area formed by fully mined and partial mined were researched.
通过相似材料模拟实验,研究了全部开采和部分开采条件下的采空区在地表新增荷载后,地表附加沉降和采空区上覆岩层内应力的变化规律。
3.
Directed at complete study on the law of the overlying strata and the characteristics of stress distribution on mining in steeply dipping seams,this paper is focused on research on the law of overlying strata and the stress variation characteristics by simulating the exploitation of the fully mechanized coal mining face in steeply dipping seam of Xinzhuangzi mine.
为了全面研究大倾角煤层开采上覆岩层垮落特征和围岩应力分布规律,运用相似材料模拟新庄孜矿大倾角综采工作面的开采,研究开采后大倾角工作面上覆岩层移动规律及应力变化特征。
4) overlying water
上覆水体
1.
Effects of chemical agents on the overlying water during in-situ sediment treatment;
底泥原地稳定化过程中药剂对上覆水体的影响
2.
By lab-scale experiments,in the iron-added reactor and a contrast reactor,the changes of TP and pH in overlying water,changes of WSP,various phosphorus according to Golterman and TP in the sediments have shown that cheap and easily-gotten iron scraps can be used to reduce the concentration of soluble phosphorus in scenic water from 0.
实验考察了加铁反应器与空白对照反应器中上覆水体总磷浓度和pH的变化,并分析了底泥中水溶性磷、G法各种形态提取磷以及全磷含量变化。
3.
We examined self- purifying coefficient- BOD and COD reduction coefficient in overlying water at the presence and absence of dredging sediment as well as comparison the dredging effectiveness.
分别在已疏浚和未疏浚河道底泥的影响下,考察了上覆水体自净系数———BOD减少速度系数和COD减少速度系数,以比较疏浚对于改善水体自净能力的效果。
5) overburden
上覆岩层
1.
Underground coal seam mining,stope roof caving,overburden subsidence,destruction and even surface settlement is a entire process,a unified system.
通过比值法、"三带"判别法、围岩平衡法、数理统计法对七五煤矿下组煤上行开采的可行性进行了研究论证,得知上行开采是可行的;为上行开采的上覆岩层运动规律理论分析与可行性研究论证提供了重要经验和借鉴。
2.
The casing deformation caused by sand production of unconsolidated sandstones and caving of the overburden is studied .
以东濮凹陷WZ油田历年井况大调查套管损坏资料为依据,在对出砂油井套管损坏形态、层位与射孔状况、岩石性质等因素进行综合分析基础上,对疏松砂岩出砂、上覆岩层坍塌等主要方面导致的套管受力变形进行研究,为探讨及防治措施提供依据。
6) overburden pressure
上覆压力
1.
Calculation of excess pore water pressure of saturated sand foundation with different vertical drainage conditions and overburden pressure;
竖向不同排水条件和上覆压力作用下砂基超静孔隙水压力计算
2.
In the measuring of core permeability in low permeability reservoir,overburden pressure,net overburden pressure and pore pressure affect the accurate measuring of core permeability.
低渗透气藏岩心渗透率测试中 ,上覆压力、净上覆压力和孔隙压力都极大地影响着渗透率的准确测量。
3.
overburden pressure and conso1idation ratio are tested so as to rationallyset up the control density of saturated sandy soil.
试验研究了剪切波速与上覆压力和团结比的关系，提出了一个由实际测定的剪切波速估算试验控制密度的方法，通过实际计算验证该法的可行性。
参考词条
补充资料：土壤水分运动基本方程(见土壤水运动)
土壤水分运动基本方程(见土壤水运动)
turang shuifen yundong iiben土壤水分运动基本方程fangeheng见土壤水运动。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。