liquid nitrogen pump是什么意思

用法例句

Apple grinding technology with liquid nitrogen injection to exclude oxygen and lower temperature;

苹果液氮降温排氧打浆技术研究

Pressure drop for liquid nitrogen flow through sintered metal filters;

液氮流过烧结金属过滤器的压降特性研究

Analysis of freezing characteristics on spraying liquid nitrogen;

液氮喷淋冷冻性能计算分析

The paper introduces the fire fighting mechanism of liquefied nitrogen.

文章介绍了液氮的灭火机理和液氮灭火装置的研制 ,分析了液氮灭火的优缺点 ,指出液氮作为一种环保、经济、有效的洁净灭火剂将在消防领域发挥作

The article introduces the technology of liquefied nitrogen freezing for the construction of the drain repairing of communication passage.

本文主要介绍了旁通道排水管修复液氮冻结加固施工技术,为今后类似排水管修复工程提供经验。

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

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。

Synthesis and microstructure of nanocrystalline Al-Zn-Mg-Cu alloy powders by cryomilling;

液氮球磨制备Al-Zn-Mg-Cu纳米晶粉末及组织分析

%) alloy powders were fabricated by mechanically milling at cryogenic temperature(cryomilling) in liquid nitrogen.

用液氮球磨技术制备了纳米晶Al-10。

5083 aluminum alloy and B4C/5083 composite powder were prepared by cryomilling method to produce nanocrystalline powder,and its microstructure and tensile properties were studied.

利用液氮球磨法制备了5083铝合金和B4C/5083复合材料,对该材料的微观结构和拉伸性能进行了研究。