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Advantages Of Long Wave Infrared Technique
The biggest difficulty encountered in night observation is insufficient candlepower and poor contrast. Before night-sight technology appeared or when the technology wasn’t developed, it had been difficult to watch the target and therefore the environment in the dark with human eyes alone.
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既然維他命C能增強免疫力,長期服用不就百病不侵了?!
有的父母在給孩子服食一種成分為維他命C的保健產品,說能夠 增強免疫力,降低發燒感冒。確實有那麼奇妙嗎?
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納米材料給食品包裝產生新作用
今年,馬里蘭大學食品科學與營養系在國際期刊《Annual Review of Food Science and Technology》上發表了一篇題為《Advances in Using Nanotechnology Structuring Approaches for Improving food packaging》的綜述論文。