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1)  Freeze of the Liquid Nitrogen
液氮冻存
2)  Liquid nitrogen freezing preservation
液氮冷冻保存
3)  Recryopreservation
再次液氮冷冻保存
4)  Liquid nitrogen quick freezing
液氮速冻
1.
Study on freezing technology of Pleurotus ferulate varnebrodensis lenzi by liquid nitrogen quick freezing;
白灵菇液氮速冻工艺研究
2.
Slow freezing and liquid nitrogen quick freezing by spray fluidization were compared in an experiment with Tricholoma matsutake.
采用喷雾式流态化液氮速冻及缓冻,探讨了在选用不同的筛板、风速和食品层高,以及不同的冻结温度下松茸的流化状态,冻结速率与解冻后冻品汁液流失率之间的关系等。
5)  thawing and freezing test of liquid nitrogen
液氮冻融
1.
The measurement of amylose in glossy ganoderma sporule powder treated with ultrasonic and thawing and freezing test of liquid nitrogen was analysed by the method of phenol-sulfuric acid.
利用苯酚-硫酸法对超声波-液氮冻融处理的灵芝孢子粉多糖含量进行了测试,结果表明采用液氮进行淬冷破壁具有效果好,操作简便等特点;增加冻结-解冻循环次数在一定程度上能提高多糖含量,循环次数以4次左右为宜;将超声波处理法和液氮处理法很好地结合起来,其内容物释放更高,效果更佳,此方法更具实用价值。
6)  liquid nitrogen flash freezer
液氮速冻
1.
The Boletus aereus freezing pattern was studied through analyzing the freezing curve at different temperature, freezing speed and juice leakage by liquid nitrogen flash freezer.
采用液氮速冻,研究在不同的冻结温度下黑牛肝菌的冻结温度曲线及其冻结速度和汁液流失率之间的关系等。
2.
The cantharellus cibarius freezing technics was studied through analyzing the freezing curve at different temperature,freezing speed and juice leakage by liquid nitrogen flash freezer.
采用液氮速冻 ,探讨在不同冻结条件下鸡油菌的冻结温度曲线及冻结温度与解冻后鸡油菌的汁液流失率之间的关系。
补充资料:液氮(N2)
分子式:
CAS号:

性质:无色无臭的液体。相对密度0.808(-195.8℃)。熔点-209.8℃。沸点-195.8℃。在空气分离设备内除制造大量的氮气和氧气外,还可得微量的液氮。用于稀有气体的提制过程以及作为仪器或机件需要深度冷冻处理时的冷冻剂。

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