Researchers have discovered that concentrating a 'cold plasma' beam on soft fruit kills off the spores which cause mould. It can keep it away for up to a week.
This paper introduces the structure characters and working principle of mould for cold stamping buttefly pallet.
介绍用于碟形托盘冷冲压成形模具的结构特点及工作原理。
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The literatures concerned show that the developed countries possess a great variety of cold work tool and mould steels and can satisfy various property requirements of users.