环境试验 第2部分:试验方法 试验 Q:密封
Environmental testing-Part 2:Test methods Test Q:Sealing
Environmental testing-Part 2:Test methods Test Q:Sealing
Environmental testing-Part 2:Test methodsTest N:Change of temperature
Environmental testing-Part 2 :Test methods-Test Z/AD:Compositetemperature/humidity cyclic test
Environmental testing-Part 2 :Test methodsTest Z/ABDM:Climatic sequence
Environmental testing-Part 2:Test methodsTest Cy:Damp heat,steady state ,accelerated test primarily intended for components
Chrome ores-Determination of magnesium,aluminum,silicon ,calcium ,titanium,vanadium,chrome,manganese ,iron and nickel content-Wavelength dispersive X-ray fluorescence spectrometric method
Cast iron-Determination of multi-element contentsSpark discharge atomic emission spectrometric method (Routine method)
Chromium ores and concentrates Determination of chromium content-Titrimetric method
Manganese and chromium ores-Experimental methods forchecking the bias of sampling and sample preparation
Manganese and chromium ores-Experimental methods for evaluation ofquality variation and methods for checking the precision of sampling