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.
The glistening golden ram’s head would seemingly be worthy of any museum, but it remains hidden within the regiment’s mess at Larkhill in Wiltshire.
,这一点在同城约会中也有详细论述
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