从母亲断断续续的叙述和日后寻访中拼凑出的图景是,越南南北统一后一度大肆驱赶南方的华人,作为华裔商贾之家,他们首当其冲,一家人被反复分开审问,承受巨大的精神压力。母亲曾在市集卖布,被抓到就要行贿。后来,他们被迫迁往所谓“新经济区”艰难渡日。
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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.
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12月22日,重庆渝北,一则男子爬树解救被困小猫的视频引发关注。视频中,男子小心翼翼地爬上树,将小猫带到安全高度后,才将它递给地面等待的主人。视频拍摄者周女士介绍,这只小猫前一天晚上受到惊吓,蹿到了树顶。一位大哥看到这一情况后,才爬上去施救,猫主人对此非常感激。SourcePh" style="display:none"