Modified Atmosphere/Packaging (MA or MAP)
Chinese translation: 气变/气变包装
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| 07:54 Aug 5, 2008 |
| English to Chinese translations [PRO] Science - Agriculture | |||||||
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|  Selected response from: lydiachang China Local time: 18:56 | ||||||
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| 4 +2 | 气变/气变包装 |
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Answers
23 mins confidence: 
peer agreement (net): +2
peer agreement (net): +2| modified atmosphere/packaging (ma or map) 气变/气变包装 Explanation: 氣變儲藏 (Modified Atmosphere, MA storage)與CA類似，但較粗略，只是提高CO2或降低O2濃度至某一概數。雖不如CA要求的精確，但已有實用價值。最常見為將產品裝在塑膠袋中，透過塑膠膜的半滲透性與外界空氣的水分，CO2與O2維持於一自然平衡狀態。透過對袋內產品的呼吸率，重量與塑膠膜的有效表面積、透氣速率等，可控制袋內的氣體濃度於一設定的範圍內。此原理描述的多半是個理想，但由於使用上的方便與便宜，使得其應用範圍高過CA許多。 |
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