High purity nitrogen

Methods : The contents of residual solvents in Ginkgo biloba Leaves for injection were determined by headspace GC on HP 5 column , with FID detector , high purity nitrogen as the carries gas .

方法：采用顶空GC方法测定注射用银杏叶（冻干）有机溶剂残留量，使用HP5固定相的开口毛细管柱；以高纯氮为载气；

The purity of nitrogen produced by high purity nitrogen plants is approximately same , but other specifications specified by individual nitrogen plants , such as nitrogen pressure , LN 2 output , partial production of oxygen at the same time are considerably different .

高纯氮设备所产氮气纯度大致相同，但对其他一些要求，如氮气压力、液氮产量、是否同时生产一部分氧气等却差异甚大。

The Analysis of Factors Which Can Effect Production of High Purity Nitrogen by Pressure Swing Adsorption

变压吸附制取高纯氮气影响因素分析

A Study for Purification and Trace Impurities ' Analytical Methods of High Purity Nitrogen

高纯氮气纯化工艺及微痕量组分分析方法的研究

Measurement of Oxygen in High Purity Nitrogen by Means of Air Pressure Ionic Mass Spectrum

用大气压离子质谱法测量高纯氮中的氧

Atmospheric Pressure Ionization Mass Spectrometer and Its Applications in Analysis of High Purity Nitrogen

大气压离子质谱仪及高纯氮中二氧化碳的质谱分析

High purity nitrogen plants for semiconductor industry

用于半导体工业的高纯度制氮设备

Some kinds of technology and development that use gas purification technology to produce high purity nitrogen are introduced .

介绍了利用气体纯化技术制取高纯氮气的几种工艺路线及发展情况。

An Effect on Gas Nitriding Brought by Step Reciprocating Temperature Change and High Purity Nitrogen Gas

阶梯往复变温和高纯氮气对气体渗氮的影响

Determination of Trace Impurities N_2O and NO in High Purity Nitrogen Gas by Atmospheric Pressure Ionization Mass Spectrometer

用大气压离子质谱测定高纯氮中的痕量N2O和NO

Using compositional soluble polysiloxane 1710A as film coating material , vacuum or high purity nitrogen pyrolysis experiments are made in different temperatures .

用组合成的可溶性聚硅烷1710A作涂膜材料，进行不同温度的真空热解或高纯氮下热解实验。

Laboratory Physics Common purity nitrogen as the material , through some special technics , wipe off the oxygen and water in nitrogen , then get high purity nitrogen .

普通物理实验（B）原理：利用普氮为原料，通过一定的特殊工艺的处理，去除普氮中的氧、等杂质，得到高纯氮气。

This paper presents the structure and parameters of an overall sealing test method for transformers , which exposes leakage in transformer sealed parts by pressurizing them with high purity nitrogen filled via the top of transformers .

提出一种非常简单而又适用的变压器整体密封试验的方法，它利用在变压器顶部充入高纯度氮气，给变压器各密封部位加压的方法来观察变压器是否渗漏。介绍了该方法的结构和参数。

We have quantitatively analyzed the trace oxygen in high purity nitrogen by means of API MS. The results show that the measurement sensitivity reaches 1 × 10 - 9 mol / mol with accuracy better than ± 10 % .

我们用API－MS法对高纯氮中的痕量氧进行了定量分析，结果表明，测量灵敏度达1×10－9mol／mol，而测量精度优于±10%。

Sheath gas pressure ( high purity liquid nitrogen ) was 35 kPa .

鞘气（高纯液氮）压力35KPa。