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YS/T 820.23-2012 Methods for chemical analysis of laterite nickel ores―Part 23:Determination of cobalt,iron,nickel,phosphorus,aluminium oxide,calcium oxide,chromium oxide,magnesium oxide,manganese oxide,silicon dioxide and titanium dioxide content―Wavelength dispersive 140.0 via email in 1~3 business day valid
GB/T 15259-2008 Terms relating to mine safety 900.0 via email in 1~3 business day valid
GB 2007.2-1987 General rules for the sampling and sample preparation of minerals in bulk-Manual method of sample preparation 60.0 via email in 1 business day valid
GB/T 15663.7-1995 Terms relating to coal mining-Mining subsidence 150.0 via email in 1~3 business day superseded
GB/T 17607-1998 Chinese classification of in seam coals 135.0 via email in 1~3 business day valid
GB/T 18340.6-2001 Organic geochemical measurements of geological samples--Method for hydrocarbon types analysis of gasoline by mass spectrometry 210.0 via email in 1~3 business day abolished
YS/T 820.1-2012 Methods for chemical analysis of laterite nickel ores—Part 1:Determination of nikel content—Flame atomic absorption spectrometry 120.0 via email in 1~3 business day valid
DZ/T 0184.6-1997 Determination of samarium-neodymium isotope geological age and neodymium isotope ratio 180.0 via email in 1~3 business day valid
YS/T 820.19-2012 Methods for chemical analysis of laterite nickel ores―Part 19:Determination of aluminum,chromium,iron,magnesium,manganese,nickel and silicon contents―Energy-dispersive X-ray fluorescence spectrometry 225.0 via email in 1~3 business day valid
GB/T 23561.6-2009 Methods for determining the physical and mechanical properties of coal and rock - Part 6: Methods for determining the moisture content of coal and rock 120.0 via email in 1~3 business day valid
GB/T 23561.8-2009 Methods for determining the physical and mechanical properties of coal and rock - Part 8: Methods for determining the deformation parameters of coal and rock 180.0 via email in 1~3 business day valid
AQ 1034-2007 Safety inspection code of belt brake winch for coal mines 150.0 via email in 1~3 business day valid
DZ/T 0184.22-1997 Determination of silicon isotopic composition 90.0 via email in 1~3 business day valid
AQ 1030-2007 Safety inspection code of haulage winch for coal mines 120.0 via email in 1~3 business day valid
DZ/T 0145-1994 Code for Pedogeochemical Survey 195.0 via email in 1~3 business day abolished
GB/T 16414-2008 Terms relating to coal mining - Rock mechanics 375.0 via email in 1~3 business day valid
GB/T 24506-2009 Type and specification and model number of powered support 240.0 via email in 1~3 business day valid
GB/T 15663.4-2008 Terms relating to coal mining - Part 4: surface mining 375.0 via email in 1~3 business day valid
MT/T 794-1998 Testing of shear strength for thick particle rock and soile by large triaxiae 180.0 via email in 1~3 business day valid
GB/T 31862-2015 Commercial coal quality―Lignite 85.0 via email in 1~3 business day valid
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