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A series of Ni-W 2 O 3 -SiO 2 catalysts with differentAl 2 O 32 ratios were prepared and loaded in a commercial HDS unit for a year. The catalytic properties of the freshly sulfided and spent catalysts were investigated by performing structural analyses and model test reactions. The aggregation of the WS 2 slabs in the lateral direction, which...
With the advancement of electronics, the role of a display as an interface between man and machine becomes increasingly important. Color liquid crystal displays (LCDs) used for personal computers as alternatives to color cathode ray tube (CRT) displays have helped enhance market awareness of flat-panel displays. Among the flat-panel displays of various types used in many ways, emissive displays hold...
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