DOJ charges 30 more people in Minnesota anti-ICE church protest
文 | 空间秘探,作者 | 王小熊
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It’s also worth noting that even if alternatives superior to agar were found, scientists are reluctant to abandon established protocols (even when microbiologists do use other jellies, they often still add agar to the mix, for example, to increase the gel strength of the solid media). As agar has been the standard gelling agent in microbiology for around 150 years, an enormous infrastructure of standardized methods, reference values, and quality control procedures has emerged around its specific properties. Switching to a different medium (even a superior one) means results may not be directly comparable to decades of published literature or to other laboratories’ findings.
但內容主張:「為遏制委內瑞拉共產主義,下一任政府必須採取重要步驟,警告其共產黨濫權者,並協助委內瑞拉人民。」