Once food has left the farm gate, then we are mainly dealing with carbon dioxide from transport and packaging.

一旦粮食已经离开了农场，那么，我们主要处理的二氧化碳运输和包装。

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This basis is the amount of carbon dioxide generated per kilogramme of packaging material.

这依据是二氧化碳的含量每公斤的包装材料产生的。

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Packaging - Evaluation ot the ultimate aerobic biodegradability of packaging materials under controlled composting conditions - Method by analysis of released carbon dioxide.

包装。在受控的合成条件下包装材料最大需氧生物降解能力的评定。释放二氧化碳的分析方法。

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These plastics not only serve as superior barriers to the flow of oxygen and carbon dioxide, keeping all kinds of products fresher longer, but also block out smells and prevent the packaging from absorbing any of the flavor or vitamin content of the food.

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