This was not the first time that microbiologists experienced problems with agar. A phenomenon called “The Great Plate Count Anomaly” baffled researchers in the early 20th century when they observed that the number of cells seen under a microscope didn’t match the actual number of colonies growing on an agar plate. Investigating this discrepancy, researchers found agar itself to be the culprit: when nutrient broths are heated with agar during boiling, harmful byproducts (hydroperoxide) can form due to the reaction of agar with phosphate minerals contained in the media. Researchers can avoid this by autoclaving agar separately from the nutrient broth, or by reducing the amount of agar used.
挂上电话，Maggie姐的脸很快切换到斗志昂扬的状态，果然，另一个手机响了，一家即将开张的夜总会想挖走她，开出了比现在公司更好的薪酬，让她左右为难。她反复说，自己是一个重感情的人，既然和公司签了约，就一定会做下去。
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International business
尤其让我惊艳的，是它在每页备注中生成的演讲词：内容口语化，且熟练使用了「在正式开始之前」、「接下来」等衔接词。这甚至让我感到一丝被硅基生物支配的恐惧：也许未来在台上的某次宣讲中，我们已分不清演讲者是在阐述自己的思想，还是仅仅充当了 AI 的「肉身代言人」。