2) range of particle diameter
粒径区间
3) area of radial flow
径向流区
1.
As to multi-layer reservoirs,each layer can be divided into three areas:area of gravel-packing,area of perforation,area of radial flow.
针对多层砾石充填完井的渗流特点 ,将每个产层在径向方向上分成 3个区域 ,即砾石充填区、射孔区、地层径向流区 ,每个区域有各自的渗流方程 ,对n层油藏将有 3n个渗流方程 ,对砾石充填区采用边界元 ,对射孔区采用有限元 ,对地层径向流区采用半解析半数值解 ,最终得到各区域的压力损失及表皮系数 ,以及井底压力及分层产量与时间的变化关系。
4) runoff plots
径流小区
1.
Design and testing of the depth profile sediment sampler for runoff plots;
径流小区集流桶含沙量全深剖面采样器的研制与试验
2.
Automated weighting system for measuring flow rate from runoff plots;
称重式坡面径流小区水流流量自动测量系统
3.
We use the depth profile sediment sampler,which is designed by Beijing normal university,to monitor the sediment concentration in the collecting tanks of the runoff plots.
径流小区作为土壤侵蚀监测的一种重要方法,在土壤侵蚀模型及预报中具有重大意义。
5) runoff plot
径流小区
1.
Continuous observations of surface runoff and through fall in six runoff plots with different kinds of land usage,on karst slopes,and groundwater level in the outlet of the catchment,were carried out.
通过对喀斯特坡地6种不同土地利用条件下径流小区的地表径流和植被穿透雨量以及地下水出口水位变化进行野外定点连续观测研究,结果表明,6个径流小区地表径流系数均非常小,介于0。
2.
The 7Be content in runoff and sediment from different runoff plots under single rainfall event was analyzed.
通过分析次降雨下,来自坡耕地、荒草地、灌木林地径流小区径流、泥沙中7Be含量,发现径流中7Be浓度较小,均值为0。
3.
The soil samples were collected in 6 cultivated runoff plots with grid sampling method, and the soil erosion rates derived from 137 Cs measurements were calculated.
通过在 6个农耕地径流小区的网格点采样 ,经过和经验水蚀模型的比较 ,验证了在 5 0m坡长范围内张信宝、周维芝、杨浩和Walling利用13 7Cs示踪所建立的模型的精确度 ,表明四种模型除了对 1 0m坡长、缓坡度的小区的计算值误差较大外 ,对其他坡长、坡度小区的计算值都比较精确 ,误差小于 1 0 %。
6) residence runoff
小区径流
补充资料：闭区间
闭区间
interval, dosed
闭区l’ed[勿加口幻，d胎ed;o，e3o二」，线段(segnlellt) 直线上处于两给定点a和b之间的一切点(包括两端点a和b)的集合.记为【a，bl.亦见区间和线段(Intel砚laxldsegr阴nt).张鸿林译
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条