The development and applications of particulate magnetic recording materials, such as iron oxide, chromium dioxide, cobalt modified iron oxide, metallic magnetic powder and barium-iron-oxygen particles are reviewed. 论述了颗粒磁记录材料氧化铁、二氧化铬、钴改性的氧化铁、金属磁粉和钡铁氧体颗粒的发展和应用。
Study on the Oxidation of p Cymene by Chromium Trioxide, Active Manganese Dioxide, Selenium Dioxide and Oxygen 三氧化铬、活性二氧化锰、二氧化硒、氧气催化氧化伞花烃的对比研究
Effect of Chromium on Low Alloy Steel's Carbon Dioxide Corrosion Resistance Properties Cr对改善低合金钢抗CO2腐蚀性能的影响
As the simplest ferromagnetic half-metal oxide, Chromium dioxide is the traditional magnetic recording material and its Curie temperature Tc is high to 396K. 作为最简单的铁磁性半金属氧化物CrO2是传统的磁记录材料,而且CrO2的居里温度高达396K。
Chromium doped titanium dioxide Cr-TiO2 was prepared by the sol-gel method. The effects of annealing temperature on the crystal structure, oxidation states of chromium, and UV-vis absorption proper-ties of Cr-TiO2 were investigated in details. 采用溶胶-凝胶法制备了铬掺杂二氧化钛(Cr-TiO2),并对经过不同温度烧结的Cr-TiO2的结构、吸收光谱及样品中铬的氧化态等进行了表征。