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.
研究人员发现集中一束冷等离子到变软的水果上可以杀死其中导致霉变的孢子，并且这种作用可以维持一个星期。
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。
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.
有关文献表明，发达国家冷作工模具钢的种类多而全，性能具有无缝化的特点，能满足各行业的需求。
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