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| STUDY ON MAGNETISM OF HEMATITE FINES IN EXTREMELY WEAK MAGNETIC FIELD |
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| DOI： |
| KeyWord:Hematite Magnetism Extremely weak magnetic field |
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Fang Qixue (Beijing General Research Institute of Mining and Metallurgy)
Lu Shouci (University of Science and Technology Beijing)
Xie Min He Feili (Beijing General Research Institute of Mining and Metallurgy)
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| Abstract: |
| In this paper, the crystalline and magnetic structures are described. The magnetism of fine hematite particles in extremely weak magnetic field is investigated. It is indicated that there is residual magnetism inside magnetized hematite, the specific magnetization coefficient of the hematite in extremely weak magnetic field is muchh igher than that in medium-intensity or high-intensity magnetic fields, and the magnetism is basically nothing to do with particle size, however, magnetism of mixture of hematite and magnetoseed is linearly grown up with the increase of magnetoseed addition. |
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