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共找到 150 條與 β 射線法 beta-ray 相關(guān)的標準,共 10

本文件規(guī)定了測定環(huán)境空氣中顆粒物的β射線法的術(shù)語和定義、方法原理、干擾和消除、試劑和材料、儀器和設(shè)備、采樣和測定、結(jié)果計算和表示、質(zhì)量保證和質(zhì)量控制及注意事項等內(nèi)容。 本文件適用于環(huán)境空氣中顆粒物的測定,也適用于無組織排放中顆粒物的測定。 本文件檢出限為1μg/m 3 ,測定下限為4μg/m 3

Determination of ambient air particulate matter β-ray method

本文件規(guī)定了測定環(huán)境空氣中顆粒物的便攜式β射線法。 本文件適用于環(huán)境空氣中顆粒物(TSP、PM10、PM2.5)的測定,也適用于無組織排放中顆粒物的測定。 本文件檢出限為1 μg/m3,測定下限為4 μg/m

Portable beta-ray method for the determination of particulate matter in ambient air

本標準規(guī)定了測定固定污染源廢氣中低濃度顆粒物的β射線法。 本標準適用于固定污染源廢氣中低濃度顆粒物(≤50 mg/m 3 )的測定。 當采樣體積為1 m 3 (標干體積)時,方法檢出限為0.1 mg/m 3

Determination of low-concentration particulate matter in exhaust gas from stationary pollution sources β-ray method

METHOD FOR HANDLING R-RAY AND HARD X-RAY FILM BADGES

METHOD FOR HANDLING R-RAY AND HARD X-RAY FILM BADGES

This non-destructive inspection method is needed to ascertain the following conditions: a. Innerlayer shift is within acceptable tolerances. b. One

X-Ray (Radiography)@ Multilayer Printed Wiring Printed Board Test Methods

Lays down standard requirements and gives examples of acceptable methods, and also specifies general characteristics, general test conditions

Radiation Protection Instrumentation – Alpha, Beta Energy > 60 keV) Contamination Meters and Monitors

本標準規(guī)定了用 X 射線衍射法對聚丙烯(PP)管道產(chǎn)品中β晶相對含量測試分析的一般方法。 本標準適用于β晶型聚丙烯管材、管件,也適用于其它可得到平整測試平面的β晶型改性聚丙烯固體樣品

Determination of β-crystal content in β-crystal polypropylene pipes and fittings (X-ray diffraction method)

La norma si applica alla valutazione della contaminazione su superfici di attrezzature e strutture, contenitori di materiali radioattivi e sorgenti

Evaluation of surface contamination - Part 1: Beta-emitters (maximum beta energy greater than 0,15 MeV) and alpha- emitters

Sealed radionuclidic beta-radiation sources. Methods of parameters measurement

1.1 This test method covers the nondestructive measurement of the mass per unit area of coating using beta backscatter gages. It also covers

Standard Test Method for Measurement of Coating Thickness by the Beta Backscatter Method

WARNING Beta backscatter instruments used for the measurement of coating thicknesses use a number of different radioactive sources. Although

Metallic and non-metallic coatings - Measurement of thickness - Beta backscatter method

Metallic and Non-Metallic Coatings - Measurement of Thickness - Beta Backscatter Method (ISO 3543 : 1981)

The thickness or mass per unit area of a coating is often critical to its performance. For some coating-substrate combinations, the beta

Standard Test Method for Measurement of Coating Thickness by the Beta Backscatter Method




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