高纯气体

提出了超高纯气体输配管路系统的设计目标和该系统安装应达到的技术标准，最终应达到或满足输送气体的中的杂质含量低于ppb级的水平。

The article put forwards design target and install criterion of the super high purity gases distribution piping system , in order finally to get below ppb level of impurity contents in gases .

高纯气体中痕量杂质的气相色谱分析

Gas Chromatographic Analysis of Trace Impurities in High Purity Gases

介绍ΔF氧传感器的工作原理，高纯气体中痕量氧测定方法的性能比较，着重介绍ΔF氧传感器的正确使用、维护和常见故障的排除。

The working principle of Δ F oxygen sensor was introduced . The determination methods for the trace oxygen in pure gas were compared . The proper use , maintenance and troubleshooting of Δ F oxygen sensor were emphasized .

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 .

色-质联用分析超高纯气体

Analysis of Ultra-high Pure Gases Using GC / MS / MID

电子级高纯气体输送系统

Overview of Electronic Grade High Purity Gas Delivery System

高纯气体分析的高效色谱柱研制

Development of Highly Efficient GC Column for the Analysis of Gases of High Purity

洁净室内高纯气体管路系统的洁净技术

Clean technology of high purity gases piping system

半导体生产用高纯气体供应系统

Ultrapure gas supply system in semicondutor manufacture

脱氧剂用于脱除气体中的微量氧气以提供含氧量极微的高纯气体。

Deoxygenate was used to remove the remanent oxygen from gas for supplying the high purity gas .

然而如果设计及基础安装工作没有考虑周详的话，就会影响到精密仪器以及高纯气体供应的精度。

The advantage of having sophisticated equipment and purest gas supplies will be affected if the design and basic installation perform inappropriately .

论述了放电离子化检测器在高纯气体杂质成分分析中的应用。

The paper describes the application of gas chromatography with discharge ionization detector which analyzes the content of impurities in high purity gases .

本公司销售氧气、乙炔、氩气、二氧化碳、氢气、氮气等普通工业气体及各种高纯气体、电子气体。

The company sells oxygen , acetylene , argon , carbon dioxide , hydrogen , nitrogen , and other general industrial gases and various high-purity gas , electronic gas .

例如，在原子能和半导体工业中所需的高纯气体氩、氦及半导体材料硅和锗等，其纯度都要求在99.99%，有些甚至超过99.9999%。

For example , in the industries of atomic energy and semiconductor , the purity of argon , helium , silicon , and germanium is 99.99 % , some of them even exceeds 99 . 9999 % .

简述909工程高纯气体管道系统设计中气体管道材料的选用，及设计对管道的施工安装，试压及验收的要求。

A general description of gas piping material selection in the design of high-purity gas piping system for Project NO. 909 , as well as the design requirements on high-purity gas piping installation , pressure testing and acceptance .

研究了粉末烧结Cu－0.75%（wt）Al合金在高纯氮气体介质中的内氧化动力学。

Internal oxidation kinetics of the sintered Cu 0.75 % ( wt ) Al alloy has been studied in highly pure nitrogen gases .

用高纯氮气体做介质对Cu-0.75%Al粉末烧结合金进行内氧化处理，用X-ray衍射、SEM和TEM等分析技术对其进行研究。

Internal oxidation treatment were carried out in an internal oxidizing apparatus for a Cu-0.75 % Al powder sintering alloy , and microstructure were investigated by means of SEM , TEM and X-ray .

阶梯往复变温和高纯氮气对气体渗氮的影响

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

主要阐述了我国高纯石油化工气体、标准气体的发展现状，对存在的问题进行了分析，并预测了我国特种气体行业未来的发展趋势。

The status of high purity gases for petro-chemical and standard gases is reviewed briefly , the problems in this field are analyzed , insight into the research and development trend of specialty gases in China in the near future is presented .

在一定温度下，将不同形态的铀样品密闭贮存在容器中并充入一定压力的高纯CO或CO2气体，通过定期测量贮存容器中气体组成，初步研究了铀与CO或CO2的反应动力学。

In order to study the reaction kinetics of uranium with CO or CO 2 , uranium samples of different forms are obturated in reaction vessels and then CO or CO 2 is filled in . Gases in vessels are analyzed at different storage time .

采用离子束溅射反应沉积技术，以高纯N2为工作气体，利用在不同气压下产生的离子束轰击石墨靶，在石英基片上溅射出的碳原子与氮离子反应，沉积出a-CNx薄膜。

Amorphous carbon nitride a-CN . x. thin films are prepared by reactive ion beam sputtering deposition method using N 2 as working gas and a graphite target .

用射频磁控反应溅射法，以高纯Si为靶材，高纯O2为反应气体，在白宝石上制备SiO2薄膜。

SiO_2 thin film was successfully prepared on sapphire substrate by RF magnetron reactive sputtering method , with silicon as the target and oxygen as the reactive gas .

大气压离子质谱（API－MS）法以其高灵敏度及特效性，特别适合于分析高纯气体中的痕量物质。

With high sensitivity and specificity , the method of air pressure ionic mass spectrum ( API MS ) is suitable for measurements of trace materials in high purity gases .

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。

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 .