1) Spray irrigation in arc shed
拱棚喷灌
2) Border irrigation in arc shed
拱棚畦灌
3) small plastic greenhouse
拱棚
1.
A Model for formulated fertilization of N-P-K was established according to the study on these three main fertilization factors in cultivation process of potato planted in the small plastic greenhouse in the central plains with two-time crops, using"3414"regression combination design approach.
试验针对中原二季作区的早春拱棚马铃薯,采用"3414"回归组合设计,将在马铃薯栽培过程中三大主要的肥料因子作为研究对象,建立了马铃薯氮磷钾配方施肥模型,通过对建立的数学模型进行综合分析,探讨出氮磷钾单因素对产量的影响、经济最佳施肥量和每公顷45000～52500kg施肥模式。
4) Arch shed structure
拱棚结构
1.
Inner force analysis of arch shed structure reinforced by freezing whose shield is unkenneling;
盾构出洞冻结加固拱棚结构内力分析
2.
Arch shed structure of soil freezing reinforcement for a shield to break through the launching pit wall is simplified into two computation models: fixed-end circular arch with single centre and arch supported on vertical walls.
将盾构出洞冻结法加固拱棚结构简化为单心固定无铰拱和直墙拱两种计算模型,利用实例工程对结构进行内力计算和验算,比较安全系数,并与实例工程实测压力结果对比,表明直墙拱模型是较为接近实际冻结壁结构的一种可行简化计算模型,为类似工程设计提供参考。
3.
The arch shed structure of soil freezing reinforced method to the shield tunne- ling setting out is simplified into these two calculation models Non-articulated Arch with single centre and arch-wall.
本文将盾构出洞冻结法加固拱棚结构简化为单心固定无铰拱和直墙拱两种计算模型,利用实例工程对结构进行内力计算和验算,比较安全系数,并与有限元法计算结果和实例工程实测压力结果对比,表明直墙拱模型是较为接近实际冻结壁结构的一种可行简化计算模型,为类似工程设计提供参考。
5) arch barrier
格棚拱架
6) planstic tunnel
小拱棚
1.
The results indicated that planstic tunnel,planstic film mulch in planstic tunnel and only planstic film mulch all increased the soil temperature and preceded the sprouting and harvest time.
以"格兰蒂"为试材,研究了小拱棚、小拱棚加地膜覆盖(双膜覆盖)和地膜覆盖的增温效应及对绿芦笋早春生长和产量的影响。
补充资料：拱棚
顶部成弧形、上面覆盖塑料薄膜的棚，用于冬季培育花木、蔬菜、秧苗等。
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