1) vertical current
垂直电流
1.
Basing on the Maxwell’s equations, we obtained the calculation formulas of the underground electrical potential of finite vertical currents, and gave a discussion on the formulas.
从电磁场的基本原理麦克斯韦尔微分方程组出发，推导出地面上垂直电流在地下产生的感应地电位分布计算公式，并对典型情况进行了数值计算与分析，结果显示了输电线短路时的一些重要特
2) vertical line source of current
垂直线电流源
1.
In monitoring water- or mud-injection of oil well by electrical method, the potential electrodes are placed on the surface and the corresponding current electrode is the steel case of oil well which is a vertical line source of current.
数据处理中需解决垂直线电流源的三维电阻率反演。
3) vertical electric current sounding
垂直电流测深法
1.
The topics include vertical electric current sounding, detection and assessment of hydrocarbon reservoirs, imaging beneath high-velocity layers, and case studies of electrical and gravity prospecting methods.
对第 6 5届EAEG年会上发表的 2 0余篇讨论非地震地球物理勘探技术的论文进行了归纳和总结 ,概要了非地震地球物理勘探技术 ,特别是电法在油气勘探应用方面的主要进展 ;介绍了垂直电流测深法、油气藏的直接探测与评价、高速层下成像、以及电法和重力勘探方法的应用史例等。
4) VFW
垂直流
1.
The research results indicated that the removal efficiencies of the vertical flow wetland(VFW)or subsurface flow wetland(SFW)and free surface wetland(FSW)decreased along with the increase of the HLR, especially for the FSW,which is very obvious.
研究表明,随水力负荷的增加,垂直流、潜流和自由表面流人工湿地的处理效率均呈下降趋势,尤以自由表面流人工湿地变化最为明显。
5) vertical flow
垂直流
1.
Effect of different recirculation ratios on removal efficiency of nitrogen in unplanted vertical flow constructed wetlands
不同回流比对无植物垂直流人工湿地除氮效果的影响
2.
The motion equation of particles was established in a vertical flow, and the relationship between the velocity of particles, moving distance and time was deduced, which shows that the velocity of small particles increases slowly after acceleration in short time or distance.
建立了描述颗粒在垂直流中的基本运动疗程,确立了颗粒运动速度与时间及距离关系的解析式,发现颗粒经过极短时间或距离加速后进入速度增加缓慢的平缓区。
3.
The design method of small-scale vertical flow constructed wetland was expounded and its purification effect was tested preliminarily in this paper.
阐述了垂直流人工湿地小试系统的设计方法,并对其净化效果进行了初步的测试。
6) Vertical-flow
垂直流
1.
The purification efficiency of phosphorus by means of vertical-flow constructed wetlands treatment system;
垂直流人工湿地系统对污水磷的净化效果
2.
Removal efficiencies of simulated mixed matrix vertical-flow constructed wetlands for wastewater effluent treatment
混合基质垂直流人工湿地净化废水效果
3.
It shows that vertical-flow of the efficiency of removing COD_(Cr),NH_3-N is better;but subsurface-flow removing NO~-_3-N is better.
通过小型垂直流与潜流人工湿地实验,监测了水力停留时间为50小时下的CODCr、TP、NO3--N、NH3-N等指标,旨在通过实验,比较垂直流芦苇人工湿地与潜流芦苇人工湿地对化粪池出水的净化效果。
补充资料：垂直线
1.见"垂线"。
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