1) Water Movement and Regression
水流推进与消退
2) water flow recession
水流消退
1.
The paper analyses the behaviors of surface water flow motion of film hole irrigation based on field experimental data, and studies the effects of discharge per unit width and holed ratio on the behaviors of water advance and recession, and presents that water flow advance curve of film hole irrigation accords with power function and water flow recession curve accords with quadratic function.
根据膜孔灌溉大田灌水试验资料 ,分析了膜孔灌溉田面水流运动特性 ,研究了单宽流量和开孔率对田面水流推进及消退特性的影响 ,提出了膜孔灌溉田面水流推进曲线符合幂函数规律 ,水流消退曲线符合一元二次函数规律。
3) water flow advance
水流推进
1.
The quadrilateral difference cells are adopted to calculate water flow advance curve; and the rectangular difference cells are adopted to compute the water recession curve in film hole irrigation.
根据膜孔灌溉田面水流运动特性,将膜孔灌溉不连续的入渗界面等效概化成均匀连续的透水界面,对膜孔灌水流推进阶段采用四边形曲线差分网格,消退阶段采用矩形差分网格进行计算,建立了膜孔灌溉田面水流运动零惯量数学模型,并将其与优化理论相结合,提出了确定膜孔灌溉田面综合糙率系数的优化模型。
2.
The paper analyses the behaviors of surface water flow motion of film hole irrigation based on field experimental data, and studies the effects of discharge per unit width and holed ratio on the behaviors of water advance and recession, and presents that water flow advance curve of film hole irrigation accords with power function and water flow recession curve accords with quadratic function.
根据膜孔灌溉大田灌水试验资料 ,分析了膜孔灌溉田面水流运动特性 ,研究了单宽流量和开孔率对田面水流推进及消退特性的影响 ,提出了膜孔灌溉田面水流推进曲线符合幂函数规律 ,水流消退曲线符合一元二次函数规律。
3.
Based on water flow advance data observed in fields, infiltration parameters under surge water application were determined with water balance method.
基于田间实测的地表水流推进过程 ,利用水量平衡法推求波涌灌溉间歇供水条件下的土壤入渗参数。
4) Water flow regression curve
水流消退曲线
5) recession
[英][rɪ'seʃn] [美][rɪ'sɛʃən]
退水;消退
6) mixed-flow waterjet pump
喷水推进混流泵
1.
In this paper,numerical simulation of cavitation phenomenon in a mixed-flow waterjet pump has been performed by calculating the full cavitation model and Navier-Stokes equation with k-εturbulence model.
本文应用三维Navier-Stokes方程和κ-ε两方程湍流模型以及全空化模型,对一台喷水推进混流泵叶轮内的空化流动进行数值模拟。
补充资料：固液混合火箭推进剂(见火箭推进剂)
固液混合火箭推进剂(见火箭推进剂)
solid-liguid hybrid rocket propellant
guye hunhe huoiian tui)in)i固液混合火箭推进剂(s olid一Iiguid hy-brid rocket proPellant)见火箭推讲齐，}_
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