In this paper 1-(2-pyridylazo)-2-naphthol (PAN) and ionic liquid 1-ethyl-3-methylimidazolium tetrafluoroborate (EMIMBF4) were mixed with graphite powder to get
For Multi-Carrier-Code Division Multiple Access (MC-CDMA) systems,it is usually as- sumed that the fading of the subcarriers is frequency non-selective and inde
The contents of Cr(Ⅲ) and Cr(Ⅵ) in chromium-enriched foodstuffs were determined by graphite furnace atomic absorption spectrometry (GF-AAS), to make an accura