1) film hole irrigation
膜孔灌溉
1.
Experimental Study on Technological parameters of film hole irrigation;
膜孔灌溉技术要素试验研究
2.
Based on water flow motion behaviors of the film hole irrigation field surface, the incontinuous infiltration interface of film hole irrigation can be equivalently uniformed into the even continuous infiltration interface.
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。
3.
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。
2) film-hole irrigation
膜孔灌溉
1.
The paper researched on the influences of different film-hole irrigation schedules on soil water content,yield,and water use efficiency in corn field.
通过大田试验,研究了膜孔灌溉条件下不同灌溉制度对玉米土壤水分动态、产量及其指标以及水分利用的影响。
3) irrigation through membrane crack
膜缝灌溉
4) Film-furrow irrigation
膜沟灌溉
1.
Film-furrow irrigation is a combination of techniques of film-mulching irrigation and furrow irrigation.
膜沟灌溉是与地膜覆盖技术相结合的沟灌,它将带有渗水孔的地膜敷贴在灌水沟内形成膜沟,灌溉时水在沟内的膜上流动,并通过膜孔渗入土壤。
5) film-mulched irrigation
覆膜灌溉
1.
This paper studies on the influence of different irrigation measures including film-mulched irrigation, "shallow to wet" irrigation and "shallow water" irrigation on the ecological environment of paddy field by field experiment.
通过大田试验,研究了水稻浅水灌溉、浅湿灌溉和覆膜灌溉对生态环境的影响机理。
2.
Compared with the paddy irrigation methods of both "shallow to wet" (CK_1) and "shallow water"(CK_2), the ecological environment effects of film-mulched irrigation (FM)in paddy field are studied by field experiments.
通过大田试验,与浅湿灌溉(CK1)和浅水灌溉(CK2)相比较研究了覆膜灌溉对水稻生态环境的影响。
6) Irrigation on film mulch
膜上灌溉
补充资料：多孔膜
分子式：
CAS号：
性质： 指每平方厘米含有一千万至一亿个孔，孔隙率占总体积70％～80％，孔径均匀，孔径范围在0.02～20μm之间的分离膜。当膜的孔径大于5nm时称为微孔膜(microporous membrane)；孔径在1～5nm时称细孔膜(fine-pored membrane)，包括超滤膜和反渗透膜。
CAS号：
性质： 指每平方厘米含有一千万至一亿个孔，孔隙率占总体积70％～80％，孔径均匀，孔径范围在0.02～20μm之间的分离膜。当膜的孔径大于5nm时称为微孔膜(microporous membrane)；孔径在1～5nm时称细孔膜(fine-pored membrane)，包括超滤膜和反渗透膜。
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