| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a pneumatic membrane structure having a large-scale closed arable space into which moist air is supplied from a water source unsuitable for irrigation and fresh water necessary for vegetation is supplied. Ž<P>SOLUTION: The pneumatic membrane structure 1 comprises a dome 2, a blower 7, a water evaporator 4 and a water condenser 5. Further the pneumatic membrane structure 1 comprises a means of passing air for supporting a film, sent from the blower through the water evaporator to obtain moist air with increased moisture content, and a means of passing a flow of the moist air through the water condenser and recovering moisture from the air as fresh water to send air with a larger moisture content than outside air into an inside space of the pneumatic membrane structure. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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