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Application：
1. Magnets: Dysprosium oxide is used in the production of neodymium-iron-boron (NdFeB) magnets. These magnets are extremely strong and are used in various high-tech applications such as electric vehicles, wind turbines, and hard disk drives.
2. Nuclear Reactors：Dysprosium has a high neutron absorption cross-section, making dysprosium oxide useful in nuclear reactor control rods, where it helps to regulate the nuclear fission process.
3. Lighting: In lighting technology, dysprosium oxide is used in halide lamps to produce a white light that closely resembles natural sunlight, which is beneficial in studios and indoor arenas.
4. Glass and Ceramics: It's used as a coloring agent for glass and ceramics. The oxide can impart a yellowish color to glass and can also be used to create special glass with high optical properties.
5.Research and Electronics: In scientific research, dysprosium oxide is used in various experimental studies, particularly in materials science. It is also used in certain electronic components for its specific electrical properties.
6. Catalysis: Dysprosium oxide can act as a catalyst in certain chemical reactions, particularly in petrochemical refining.