Superconductivity - Part 13: AC loss measurements - Magnetometer methods for hysteresis loss in superconducting multifilamentary composites
发布日期:2012-07-25 实施日期:2012-07-25
Flat magneting sputtering target-Niobium target for optical coating
发布日期:2009-12-04 实施日期:2010-06-01
Method of Determination for Niobium and Jantalum in Ores
发布日期:1987-02-17 实施日期:1987-02-17
Hardmetals; determination of contents of metallic elements by X-ray fluorescence; solution method; identical with ISO 4883:1978
Methods for chemical analysisof ferroniobium--The thiocyanate photometric method for the determination of tungsten content
发布日期:1983-05-02 实施日期:1984-03-01
Standard Specification for Nickel-Chromium-Molybdenum-Columbium Alloys (UNS N06625 and UNS N06852) and Nickel-Chromium-Molybdenum- Silicon Alloy (UNS N06219) Pipe and Tube
实施日期:2006-12-01
Capacitors--Electrical properties of niobium powder--Method of verification
Steel -- Determination of niobium content -- PAR spectrophotometric method
发布日期:1988-12-01 实施日期:1988-12-01
Methods for chemical analysis of iron ores--The sulfochlorophenol S photometric method for the determination of niobium content
发布日期:1986-08-18 实施日期:1987-07-31
Standard Specification for Niobium-Hafnium Alloy Ingots
实施日期:2010-05-01
Methods for chemical analysis of tantalite colubite concentrate-Part 9:Determination of antimony content-Inductively coupled plasma atomic emission spectrometry
发布日期:2011-12-20 实施日期:2012-07-01
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