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[CoPt 1.5nm /ZrO 2 xnm ] 10 multilayer films were deposited on glass substrates by magnetron sputtering and then annealed in vacuum at 600°C for 30 min. Their structures and magnetic properties were investigated as a function of ZrO 2 content. The results show that the grain size and coercivity first increase and then decrease with the increase in ZrO 2 content...
A large number of air-discharge pits, varying in size and shape, are developed on the Yellow River delta. Their planar cross-sections are circular, sub-circular, elongated and frequently irregular and their spatial configurations may be in form of a shallow dish to root like or other, extremely irregular, shapes. They range in diameter from less than 1 cm to over 60 cm and their depth varies from...
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