depositional dip

By means of the basic climatic principle and the local astronomical parameters the optimal dip angle, maximum wind pressure borne by the roof material, the depth of the cold proof ditch and the suitable distance between the greenhouses in Chengdu area are calculated.

应用气侯学基本原理,当地天文参数与气候资料,计算了成都地区节能日光温室采光面最佳倾斜角,顶面覆盖材料承受最大风压,防寒沟深度及温室间适宜距离。