liquid nitrogen

liquid nitrogen的基本解释

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液氮, 液化氮, 液态氮

与liquid nitrogen相关的网络例句 [注：此内容来源于网络，仅供参考]

The influences of heat exchanger and engine on system efficiency are distinguished. The thesis also analysis the efficiency of the compound cycle of liquid nitrogen engine operating on open Rankin cycle together with the liquid nitrogen refrigeration cycle and economy in detail.

首次采用变质量系统热力学原理探讨了通过对进气温度与缸内残余质量温度的控制有助于实现准等温膨胀的可行性；首次采用有限时间热力学对具有压降不可逆液氮发动机开式朗肯循环进行了工作过程分析，研究了漏气和压降对液氮发动机效率和功率的影响关系。

The results showed that the positive rates of RNA integrity in grind with liquid nitrogen group and in homogenizer without liquid nitrogen group were 68.42% and 29.79% respectively, and there was significant difference between these two groups; however, there was no statistic difference in positive rate of RNA integrity, OD260/OD280 ratio and 3-actin gene expression level between the drug-induced labor group and non-drug induced labor group.

结果发现，液氮研磨组分离完整RNA的阳性率高於匀浆器处理组，分别为68.42%和29.29%，两组比较有显著性差异；药物引产组及非药物引产组在分离完整RNA阳性率、胚胎组织RNA的OD260/OD280比值和胚胎组织β-actin基因表达量上均无统计学差异。

To investigate the method of RNA isolation from human embryonic tissues and the factors influencing the quality of RNA, the RNA from human embryonic tissues obtained with drug-induced labor or non-drug induced labor were isolated by using grind with liquid nitrogen or homogenizer without liquid nitrogen.

为探讨人类胚胎组织完整RNA的分离方法及其影响因素，采用液氮研磨及匀浆器两种制备组织匀浆方法，对不同引产方式的人类胚胎组织进行总RNA分离，并对RNA质量进行鉴定。

与liquid nitrogen相关的网络解释 [注：此内容来源于网络，仅供参考]

liquid nitrogen：液态氮

冷冻治疗可是常用的皮肤病物理低温疗法,将致冷剂(Cryogenic agent)作用于病灶,使病灶骤然降温而坏死、脱落,以达到治疗的目的;冷冻治疗所用的致冷剂有氟氯昂(Freon)、二氧化碳干冰(Solid CO2)、液态氮(Liquid nitrogen),目前临床上常使用的致冷剂主要为液态氮(Liquid nitrogen),

liquid nitrogen：液态氮气

液晶显示器 LCD | 液态氮气 Liquid Nitrogen | 液体辅料,液体类生产辅料 Auxiliary Liquid Material

liquid nitrogen：液体氮

liquid nitrogen 液态氮 | liquid nitrogen 液体氮 | liquid overfill protection 液体过量冲注保