Agar’s low viscosity also makes it easy to pour into Petri dishes, and its transparency permits observation of microbes growing on its surface.7 Also aiding in this is its low syneresis (extrusion of water from the gel), guaranteeing less surface “sweating”: Once a plate is inoculated, bacterial colonies stay in place and do not mix.
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Waymo's ongoing expansion follows a financing round that raised $16 billion for the company.。业内人士推荐同城约会作为进阶阅读
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