1) ethanol gas certified reference material
乙醇气体标准物质
1.
The uncertainty sources of ethanol gas certified reference material preparation by injection gravimetric method were analyzed, which included weighing process of ethanol and nitrogen, the purity of ethanol and nitrogen.
分析了注射重量法制备乙醇气体标准物质不确定度的来源,包括乙醇称量过程引入的不确定度、氮气称量过程引入的不确定度、乙醇纯度引入的不确定度、氮气纯度引入的不确定度。
2) gas reference material
气体标准物质
1.
The preparation method of gas reference material for Kr and CF4 in He is discussed.
论述了氦中氪、四氟化碳气体标准物质的制备方法、稳定性参考值、不确定度计算,证明达到国家二级气体标准物质要求。
2.
The preparation method of gas reference material for H2 and CF4 in Ar is discussed.
论述了氩中氢、甲烷气体标准物质的制备方法、稳定性参考值、不确定度计算,证明达到国家二级气体标准物质要求。
3.
Taking the preparation of secondary gas reference material for CO_(2) in N_(2) as an example,approach preparation of secondary gas reference material is prepared by comparison method,and the analysis and calculation of uncertainty,in which reference material by weighing method.
以氮中二氧化碳二级气体标准物质的研制为例,探讨采用比较法研制二级气体标准物质及其不确定度的分析计算,其中标准物质的制备采用称量法配制,并对所研制的样品进行了均匀性、稳定性试验,结果表明,所研制的氮中二氧化碳气体的标准物质在一年的考察期内,其均匀性、稳定性、量值不确定度均达到国家二级标准物质要求,符合申报条件。
3) calibration gas
气体标准物质
1.
In comparison with gravimetric method,dynamic volumetric method advantage,dynamic volumetric method preparing principle,preparing equipment,preparing process are introducedThe source of the certification uncertainty of dynamic volumetric method preparing calibration gas is analyzed,and the calculation of the related combined standard uncertainty.
介绍了与重量法相比,动态配气法的优点,以及动态法配气的原理、装置和制备过程,分析了动态配气法制备的气体标准物质量值的不确定度的来源及其相对标准合成不确定度的计算。
2.
The calibration gases of alcohol in nitrogen with about 10-6 were prepared in the form of diffusion tubes by dynamic volumetric method, the uncertainties of the calibration gases were in the range of 2%-3%.
用动态配气装置配制体积分数为10~(-6)的氮气中乙醇扩散管气体标准物质,其量值不确定度为2％～3％。
4) gas standard material
气体标准物质
1.
In order to ensure the supply of standard material for chemistry production and apparatus,we did the research of high purity neon gas standard material.
随着我国工业的发展,对氖气产品质量提出了更高要求,为了保证化工生产和仪器仪表服务所需要的标准物质,我们研制了高纯氖气体标准物质。
2.
Prepared the packaged gas standard material by using weighing method,fixed the value of the prepared gas standard material with the weighing result,and analyzed and calculated the indefinite degree of the fixed value.
采用称量法制备了瓶装的气体标准物质 ,用称量结果对所配制的气体标准物质定值 ,并对其定值不确定度进行分析计
6) carbon monoxide gas standard material
一氧化碳气体标准物质
补充资料：德国国家标准(见德国标准化学会、德国标准体系)
德国国家标准(见德国标准化学会、德国标准体系)
National Standards of Germany: see Deutsches Institut für Normung, DIN;standards system of Germany
Oeguo Guol心日icozhun德国国家标准(Natio.吐S加Ln山切曲of Gen”旧ny)见德国标准化学会;德国标准体系。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条