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.
Welcome to your guide to Pips, the latest game in the New York Times catalogue.
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Lionel Wilson, professor of earth and planetary sciences at Lancaster University, believes it is technically possible to place the reactors on the Moon by 2030 "given the commitment of enough money", and he highlights that there are already designs for small reactors.
2. 防水涂料检测报告强制性检测参数不全。（不符合《陕西省建设工程质量检测报告格式及编写指南》附录4中关于必备检测参数的要求。）