考察了七种典型农用大棚膜在广州、海南的自然老化。
In this paper, nature weathering phenomenon of seven typical agriculture film exposed in Guangzhou and Hainan was investigated.
一种吹塑界面分子膜大棚膜用喷涂液及其生产方法，属化工领域。
Spraying fluid for a blow molding molecular film greenhouse film and a production process thereof belong to the chemical field.
介绍了生产灯箱膜、大棚膜、土工膜及其它大型膜类的压延双向拉伸设备及生产工艺。
The calendering biaxial stretching equipment for film making, such as light-box film, shed film, earth-work film and kinds of special purpose film as well as its processing technology were introduced.
结构合理、性能稳定、塑化好、产量高、能耗低、分层清晰，是生产高强度、耐老化、无滴、透光、保温等多功能大棚膜、土工膜的理想设备。
The lines are reasonable in structure, stable in performance, wonderful in plasticizing, high in productivity, low in energy consumption, which make the product clear in the interfaces between layers.
一排排的大棚，有些上面的塑料膜被揭去
对覆膜大棚、日光温室及塑料大棚内温度与光照进行了对比与相关分析。
The statistical and Correlation analysis of temperature and light in double plastic shed, green house and plastic shed were done, and regression equations were founded.
它主要由蔬菜钢管塑料大棚、XPS聚苯乙烯挤塑板、地面煤渣保温层、反光膜、专利栽培架等组合而成。
The structure consists of steel pipes normally used for green houses, XPS board, cinder as floor insulation, reflective film and patented shelves for cultivation.
本发明提供一种塑料水泡膜，属于农业大棚保温防火材料，其结构包括薄膜、膜泡和水。
The invention provides a plastic bubble film, belonging to a thermal insulation fireproof material for an agricultural greenhouse. The plastic bubble film comprises films, bubbles and water.
本发明提供一种塑料水泡膜，属于农业大棚保温防火材料，其结构包括薄膜、膜泡和水。
The invention provides a plastic bubble film, belonging to a thermal insulation fireproof material for an agricultural greenhouse. The plastic bubble film comprises films, bubbles and water.
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