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“九二○”生产中一级斜面培养所用的琼脂价格昂贵,倘若仅使用一次就弃掉,实为可惜。二二一团二连“九二○”组,经多次试验,可以将琼脂还原再利用。将用过的琼脂培养基放入杯子里,置于开水锅中加热,使之培养基溶化(最好维持80℃),保持一小时,取出凝固。这时悬浮的微粒沉淀到底部,然后将杯子微微加热,把琼脂倒出,用刀子切去沉淀,并将透明的琼脂切成薄片放在纱布中,置流水中冲泡两昼夜,洗
It is a pity that Agar used at the first level of slant culture in the “920” production is expensive and should be discarded if used only once. Two hundred twenty-two regiment two even “nine two ○” group, after many tests, agar reduction can be reused. The used agar medium into the cup, placed in a boiling water pot to heat the medium (preferably maintained at 80 ℃), hold for an hour, remove the solidification. At this time the suspended particles precipitated to the bottom, and then the cup slightly heated, the agar poured, cut off the pellet with a knife, and the transparent agar cut into thin gauze placed in water for two days and nights, wash