标准气体

利用配制的标准气体和PID检测仪进行联测优化和线性度测量，并给出了仪器实验性能的实例。

The combined test and optimization and linearity degree measurement with mixed standard gas and PID instrument were carried out .

将合成校准光谱和实验测得的光谱进行非线性最小二乘拟合，得到了不同温度下标准气体CO浓度。

With the nonlinear least squares fit between measured spectra and calibration spectra , standard gas concentrations of CO at different temperatures are obtained .

我国温室气体监测用四氟化碳（CF4）标准气体研究现状

Research Current Situation of the Carbon Tetrafluoride Calibration Gas for Greenhouse Gas Control of Our Country

两个实验的温度、压力和标准气体一致，而传感器结构中的死体积中CO2浓度不一致。

The temperature , pressure and standard gas were kept same in the two experiments while CO 2 concentrations in the dead volume were varied .

氧化亚氮标准气体GC-μECD分析方法的研究

Study on gc - μ ecd analysis method for nitrous oxide calibration gases

我社所使用的标准气体，均用此天平进行调制，把SI基本单位的质量作为标准，从而保持住国际标准。

The standard gases we use are measured against this balance , and thus maintains international traceability since the balance uses SI as the standard unit of measurement .

比较实验结果，定电位电解法相对来说可以测量系统中SO2的瞬时值，测量连续、方便，如果配备不同浓度的SO2标准气体进行定期标定，基本可以满足实验要求。

The constant potential electrolysis method , however , is relatively good in measuring the instantaneous value of SO2 , and it is convenient and continuous in operation . So , by using different concentrations of SO2 , it can basically meet the requirement of measuring .

用称量法研制了瓶装的氮中甲烷与氮中一氧化碳标准气体的混合物，其组份浓度范围为10×10－6～1×10－2mol／mol。

This paper analysis the mixture of methane and carbon monoxide gas in nitrogen in bottle with weight method , the range of concentration is 10 × 10 - 6 ~ 1 × 10 - 2 mol / mol.

OR31系列不锈钢减压器，双级式膜片减压结构，输出压力稳定，适用于高纯气体、标准气体、腐蚀性气体等。

OR31 Series Stainless Steel Regulator , dual-stage diaphragm vacuum structure , the output pressure stability , suitable for high-purity gases , standard gases , corrosive gases .

叙述了温室气体监测用四氟化碳（CF4）标准气体气相色谱的实验方法和条件，给出了气相色谱分析方法的精密度和实验结果。

The analytical method and testing conditions by gas chromatography for carbon tetrafluoride calibration gas in greenhouse gas control are described , and the precision of the method of gas chromatography and the experimental result are given .

介绍了氮中六氟化硫标准气体重量配制、纯度分析以及不确定度的合成方法，给出了根据ISO-6142及GB/T5274&1985而得到不确定度的合成数据和最终不确定度1%的评价结果。

This paper reviewed the methods of gravimetric for sulphur hexafluoride calibration gases and purity analysis and uncertainty combination , at the same time , we obtain the combination is dates of uncertainty based on ISO-6142 and GB / T 5274-1985.The combination uncertainty is 1 % .

重量法制备标准气体量值的不确定度分析

The Evaluation of Uncertainty For Preparing Calibration Gas by Gravimetric Method

标准气体在检测可燃气体报警器中的重要性

Importance of standard gases in the detection of flammable gas alarm

扩散管标准气体及其动态配气方法的研究

Study of Diffusion Tube Calibration Gases Preparation and Dynamic Volumetric Method

微量混合标准气体的容量法简易动态配制研究

A Simple Dynamic Volumetric Method for Preparation of Multi-Component Standard Trace Gas

天然气标准气体气相色谱比对方法的研究

Study on Comparison Method by Gas Chromatography for Natural Gas Calibration Gases

高精度标准气体流量测控仪设计

Designing of Standard Gas Flow Measuring and Controlling System with High Precision

质量流量比法配制标准气体

Preparation of standard gas by gas mass / flow ratio

天然气分析用标准气体系研究

Research of Standard Gas Series Used for Natural Gas Analysis

标准气体静态容量法配气方法研究

Study of Calibration Gases Prepared by Static Volumetric Method

温室监测用空气中甲烷标准气体的性能研究

Research on Performance of Standard Gas of Methane in Air for Greenhouse Measurement

针对传统配制混合标准气体存在的问题，提出一种简易的现场配气方法，并建立了一个简易系统。

A simple system was established for in-situ preparation of mixed standard gases .

戊烷标准气体量值的复现性及性能评价

Study on the Evaluation of Value Reappearance and Performance for Pentane Calibration Gases

扩散管配制甲醛标准气体的研究

Generation system of formaldehyde standard gas by diffusion tube

基于8098的高精度标准气体流量测控仪

8098 Based High Precise Standard Monitor of Gas Flow

GB/T13701-1992单标准气体质谱法铀同位素分析

Isotopic analysis of uranium by single-standard gas mass-spectrometer method

氮气中氧气标准气体的特性分析

Features Analysis of Standard Gas of Oxygen in Nitrogen

环境监测用空气中二氧化碳标准气体的研制

Preparation of Gas Reference Material of Carbon Dioxide in Air For Environmental Monitoring

混合标准气体的简易配制方法

A simple method for preparation of mixed standard gases

标准气体的制备方法及配制技术

Preparation and concoction technique of ST and ard gas