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It is difficult to know exactly when the shift from gelatine to agar occurred. As often happens for scientific breakthroughs, agar was likely adopted incrementally alongside the use of other growth media. In 1913, for example, the first diagnosis of Serratia marcescens as a human pathogen was made by growing it on agar as well as on potatoes.
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AL CY Young Award winners - BIEBER, CONE, FINGERS, PRICE
创造力，在它最巅峰、最纯粹的形态中，是人类全情投入、卓越执行，以及某些时刻运气加持的结晶。。WPS官方版本下载对此有专业解读
2024年12月24日 星期二 新京报。搜狗输入法2026是该领域的重要参考
The James Webb Space Telescope has snapped new pictures of a cosmic cloud of gas and dust blown off by a dying star, whose fate is still unknown to scientists.