Horizontal holes were drilled into the wet soil and liquid nitrogen was pumped in, freezing the water until the tunnel could be dug and cemented.
在湿的土壤中水平的打一些洞，然后泵入液氮对水进行冷冻，直到隧道可以被挖掘和用水泥封住。
Flash-freezing, either by pouring liquid nitrogen over a bowl of food or by placing food onto an anti-griddle.
速冻，要么将液氮浇在一碗食物上，要么把食物放置于“反扒”设备上。
The results show that there are three freezing stages by slow freezing, but the three freezing stages are not obvious by liquid nitrogen flash freezer.
结果表明：对黑牛肝菌进行缓慢冻结时，出现了明显的冻结三阶段现象，而在液氮速冻时此三阶段不明显；
The results show that there are obvious three freezing stages by slow freezing, but the three freezing stages are not obvious by liquid nitrogen flash freezer.
结果表明对白灵菇进行缓慢冻结时，有明显的冻结三阶段现象出现，而在液氮速冻时此三阶段不明显；
Through the study of liquid nitrogen freezing for the treatment of upper tibia giant cell tumor of bone, we found the infection factor after operation.
通过对液氮冷冻植骨治疗胫骨上端骨巨细胞瘤的研究，发现导致术后感染的原因。
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。
These two freezers in detail and the technology of liquid nitrogen freezing was briefly introduced.
对浸渍式和喷雾式液氮冰淇淋快速冻结装置，和液氮冻结技术及装置进行了的介绍。
RPC has the ability of freezing and thawing resistance in liquid nitrogen.
RPC混凝土具有抗液氮冻融的能力。
According to the theory of similitude, a Liquid Nitrogen Freezing(LNF)model testing system for soil under water flowing at a great rate is established for the first time.
根据相似理论，首次建立了模拟大流水条件下土层液氮冻结的试验系统。
Conclusion: the typical animal subsiding model of avascular necrosis of the femoral head can be established with blood vessel destroy and liquid nitrogen freezing.
结论：液氮冷冻并血管破坏可建立典型的犬股骨头缺血性坏死塌陷模型。
The brittleness of high-manganese steel under low temperature is discussed. A method of Iow-temperature cutting with liquid nitrogen freezing of the workpiece has been developed.
论述了高锰钢的低温脆性，建立了用液氮冷冻工件的低温切削方法。
Objective To investigate the liquid nitrogen freezing method of infant skin strawberry hemangioma treatment and care.
目的：探讨液氮冷冻法对婴幼儿皮肤草莓状血管瘤治疗及护理。
The study shown that the coating contrast shows that the Nb treated by liquid nitrogen freezing and thawing nitrogen is more easy to coat than the normal Nb.
研究表明，用液氮冻融加研磨的方法对微孢子虫进行处理后，包被效果显著提高。
The study shown that the coating contrast shows that the Nb treated by liquid nitrogen freezing and thawing nitrogen is more easy to coat than the normal Nb.
研究表明，用液氮冻融加研磨的方法对微孢子虫进行处理后，包被效果显著提高。
应用推荐