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GB/T 23561.13-2010 Methods for determining the physical and mechanical properties of coal and rock - Part 13: Methods for determining point load strength index of coal and rock - 英文版 |
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GB/T 23561.12-2010 Methods for determining the physical and mechanical properties of coal and rock - Part 12: Method for determining coal hardiness coefficient - 英文版 |
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GB/T 23561.11-2010 Methods for determining the physical and mechanical properties of coal and rock - Part 11: Methods for determining shear strength of coal and rock - 英文版 |
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GB/T 23561.10-2010 Methods for determining the physical and mechanical properties of coal and rock - Part 10: Methods for determining tensile strength of coal and rock - 英文版 |
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GB 12476.9-2010 Electrical apparatus for use in the presence of combustible dust - Part 9: Test methods - Method for determining the electrical resistivity of dust in layers - 英文版 |
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GB 12476.8-2010 Electrical apparatus for use in the presence of combustible dust - Part 8: Test methods - Methods for determining the minimum ignition temperatures of dust - 英文版 |
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GB 12476.10-2010 Electrical apparatus for use in the presence of combustible dust - Part 10: Test methods - Method for determining minimum ignition energy of dust/air mixtures - 英文版 |
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GB/T 23595.7-2010 Test methods of rare earth yellow phosphor for white LED lamps - Part 7: Determination of temperature quenching - 英文版 |
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GB/T 14634.7-2010 Test methods of rare earth three-band phosphors for fluorescent lamps - Part 7: Determination of temperature quenching - 英文版 |
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GB/T 14634.6-2010 Test methods of rare earth three-band phosphors for fluorescent lamps - Part 6: Determination of specific surface area - 英文版 |
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GB/T 14634.5-2010 Test methods of rare earth three-band phosphors for fluorescent lamps - Part 5: Determination of density - 英文版 |
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GB/T 14634.3-2010 Test methods of rare earth three-band phosphors for fluorescent lamps - Part 3: Determination of thermostability - 英文版 |
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GB/T 14634.2-2010 Test methods of rare earth three-band phosphors for fluorescent lamps - Part 2: Determination of emission dominantpeak and chromaticity - 英文版 |
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GB/T 14634.1-2010 Test methods of rare earth three-band phosphors for fluorescent lamps - Part 1: Determination of relative brightness - 英文版 |
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GB/T 6150.9-2009 Methods for chemical analysis of tungsten concentrates - Determination of copper content - Flame atomic absorption spectrometry - 英文版 |
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GB/T 6150.8-2009 Methods for chemical analysis of tungsten concentrates - Determination of molybdenum content - The thiocyanate spectrophotometry - 英文版 |
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GB/T 6150.3-2009 Methods for chemical analysis of tungsten concentrates - Determination of phosphorus content - The phosphorus molybdenum yellow spectrophotometry - 英文版 |
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GB/T 6150.16-2009 Methods for chemical analysis of tungsten concentrates - Determination of iron content - The sulfosalicylic acid spectrophotometry - 英文版 |
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GB/T 1555-2009 Testing Methods for determining the orientation of a semiconductor single crystal - 英文版 |
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GB/T 24218.2-2009 Textiles - Test methods for nonwovens - Part 2: Determination of thickness - 英文版 |
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GB/T 24218.1-2009 Textiles - Test methods for nonwovens - Part 1: Determination of mass per unit area - 英文版 |
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GB/T 13255.8-2009 Test methods of caprolactam for industrial use - Part 8: Determination of cyclohexanone oxime content - 英文版 |
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GB/T 13255.7-2009 Test methods of caprolactam for industrial use - Part 7: Determination of iron content - 英文版 |
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GB/T 13255.6-2009 Test methods of caprolactam for industrial use - Part 6: Determination of acidity or alkalinity - 英文版 |
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GB/T 13255.5-2009 Test methods of caprolactam for industrial use - Part 5: Determination of absorbance at a wavelength of 290nm - 英文版 |
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GB/T 13255.4-2009 Test methods of caprolactam for industrial use - Part 4: Determination of volatile bases content - Titrimetric method after distillation - 英文版 |
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GB/T 13255.3-2009 Test methods of caprolactam for industrial use - Part 3: Determination of permanganate absorption number - Spectrometric method - 英文版 |
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GB/T 13255.2-2009 Test methods of caprolactam for industrial use - Part 2: Determination of crystallizing point - 英文版 |
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GB/T 13255.1-2009 Test methods of caprolactam for industrial use - Part 1: Determination of colourity of 50% aqueous caprolactam solution - Spectrometric method - 英文版 |
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GB/T 15249.5-2009 Methods for chemical analysis of crude gold - Part 5: Determination of mercury content - Cold atomic absorption spectrometry - 英文版 |
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