... preservation measures保全措施 nitrogen preservation充氮保藏 chemical preservation化学防腐,化学防污...
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fill nitrogen preservation 充氮保藏法
Liquid nitrogen freezing preservation 液氮冷冻保存
preservation in liquid nitrogen 液氮超低温冻结法
Cord blood separation and volume reduction is first needed to meet THD practical bank requirement for the high expense of liquid nitrogen preservation equipment.
同时由于脐血库液氮保存设备费用昂贵，需要预先分离脐血单个核细胞以减少样本冻存体积，以满足建库实际需求。
These results indicate that bovine follicular oocytes can be frozen for long term preservation in liquid nitrogen and mature in vitro after thawing.
研究结果证明，牛卵巢卵母细胞可作超低温冷冻长期保存，解冻后可以体外培养成熟。
Conclusion the liquid nitrogen rapid freeze method is the best anti-ice crystal mation method for section preservation.
结论低温骤冷法是这三种防冰晶法中最利于保存切片的方法。
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