Determination of the trace iron 、 nickel 、 titanium and chromium in pure molybdenum trioxide product by emission spectroscopy 用发射光谱技术测定高纯氧化钼产品中铁、镍、钛和铬的含量
A study of titania and doped iron trioxide ultrafine powders by surface photovoltage spectroscopy 超微粉二氧化钛和掺杂三氧化二铁光催化剂的表面光电压谱研究