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With optimized component of multi span plastic greenhouse structure, author established different span number s structure model, and analyzed model structure in the same load condition by use of optimum structural design theory and software of finite element analysis.

在相同设计载荷及组合下 ,借助结构有限元分析软件进行理论分析 ,认为塑料温室结构的稳定性和相应的安全性随着连栋数的增加而有所提高 ,因此 ,相应的结构杆件截面优化值 ,对于任意栋数的塑料温室结构具有通用

The light environment of a practical multi-section poultry housing withnatural lighting windows in Penglai, Shandong province, was tested.

分析了大型连栋鸡舍自然采光的设计原理和屋顶采光富的设计方法，测定了山东蓬莱某自然采光连栋鸡舍的室内光环境状况。

The results showed that the content of salts of surface soil in import connective plastic greenhouse was 10.

对江汉平原地区大棚土壤的盐分特征进行了研究,结果表明,连栋大棚表层土壤盐分含量达到10。

Analysis of heating duration and heating load of multi-span greenhouse in China;

中国连栋温室采暖期的确定及采暖能耗分布

Thermal model of multi-span greenhouses with multi-layer covers;

多层覆盖连栋温室热环境模型构建