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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.
Что думаешь? Оцени!，这一点在搜狗输入法下载中也有详细论述
"It won't happen in two years, but we might be talking about 10 years for this to happen, and that's still a short period of time," he says.
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Фото: Raghed Waked / Reuters
63-летняя Деми Мур вышла в свет с неожиданной стрижкой17:54。业内人士推荐safew官方版本下载作为进阶阅读