一、引言新西兰从1966年起,用塑料薄膜作为气密材料应用于商业的气调贮藏。最早是把塑料薄膜制成特殊的模样,近年来使用厚度为0.075毫米的单层聚乙烯薄膜,把它做成帐子罩在大小适宜的帐架上,架角要平展地包住,帐壁下部密封在地槽内。目前,新西兰用气调贮藏的果品,苹果和猕猴桃总量为6009吨,其中2000吨是用塑料帐贮藏的。 I. INTRODUCTION Since 1966, New Zealand has used plastic film as air-tight material for commercial air-conditioned storage. The earliest is the plastic film made of a special look, in recent years the use of a thickness of 0.075 mm single-layer polyethylene film, made it into a tent cover in the appropriate size of the frame, frame angle to be wrapped flat, Sealed in the trench. At present, the total amount of fruits, apples and kiwifruit stored in New Zealand is 6,009 tons, of which 2,000 tons are stored in plastic books.