ZH
RU
ES

focus

focus, Total:22 items.

In the international standard classification, focus involves: Products of the chemical industry, Farming and forestry, Coals, Non-metalliferous minerals, Inorganic chemicals, Analytical chemistry, Quality, Fuels, Medical equipment, Lamps and related equipment, Power stations in general.

Guizhou Provincial Standard of the People's Republic of China, focus

• DB52/T 741-2012 pyrogallic acid

国家林业局, focus

• LY/T 2862-2017 pyrogallic acid

RU-GOST R, focus

• GOST 9521-1974 Coals. Method for the determination of coking property
• GOST 4.110-1984 System of quality characteristics of products. Petroleum cokes. Nomenclature of characteristics
• GOST 9521-2017 Hard coals. Method for the determination of coking property
• GOST R 51044-1997 Spectacle lenses. General specifications

Taiwan Provincial Standard of the People's Republic of China, focus

• CNS 2507-1973 Free Swelling Index of Coal
• CNS 1911-1975 Pyrogallol Pyrogallic Acid 1,2,3-Trihydroxybenzene

ZA-SANS, focus

• SANS 6072:2009 Coking properties of coal (Ruhr dilatometer test)

RO-ASRO, focus

• STAS 5266/1-1990 Solid fuels. Coking power determination. Free bulge method in crucible
• STAS 5266/2-1990 Solid fucls COKING POWER DETERMINATION Roga mcthod
• STAS 10150-1978 SPECTACLE LENSES

International Organization for Standardization (ISO), focus

• ISO/CD 23873:1976 Hard coal — Caking and coking properties — Dilatation

PL-PKN, focus

• PN Z53090-1986 Spectacle lenses

Professional Standard - Aviation, focus

• HB 5220.35-1995 Method for Chemical Analysis of Superalloys-Pyrogallic Acid Absorption Spectrophotometry for Determination of Tantalum Content
• HB 5220.35-2008 Methods for chemical analysis of superalloys. Part 35: Determination of tantalum content by pyrogallic acid photometric method

Standard Association of Australia （SAA）, focus

• AS 1038.12.2:1999 Coal and coke - Analysis and testing - Higher rank coal - Caking and coking properties - Determination of Gray-King coke type

Association Francaise de Normalisation, focus

• NF C74-116:1996 X-ray tube assemblies for medical diagnosis. Characteristics of focal spots.

AENOR, focus

• UNE 9018:1985 COKE'S PROPERTIES, NEEDED FOR BOILER'S PROJECTS.

US-DOT, focus

• DOT MIL-L-21247 (2)-1958 LENSES, BEACON LIGHT, 300MM
• DOT MIL-L-21301 (2)-1960 LENSES, BEACON LIGHT, 200MM

Professional Standard - Electricity, focus

• DL/T 1657-2016 Technical specifications for activated coke dry desulfurization

Others:   confocal, Focus, Scorch worm, focal spot, Confocal, coke, focal plane, lens focus, Scorch particles, quasi-focus, focal +, Jiaopi, focus, Focus and, pyrogallic acid, green burnt, kilojoules, Lun Jiao, Metallurgical coke, Jiao He He.