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. 2022 Aug 25;39(4):685–693. [Article in Chinese] doi: 10.7507/1001-5515.202201030

表 3. Maximum magnetic flux density and Lorentz force density for circular coil and figure-of-8 coil.

圆形线圈和8字线圈上磁通密度模和洛伦兹力密度最大值

MRI静磁场方向 圆形线圈磁通密度模/T 圆形线圈力密度/(N·m−3 8字线圈磁通密度模/T 8字线圈力密度/(N·m−3
无外场 2.02 9.75 × 108 2.17 1.05 × 109
平行于x 3.71 1.76 × 109 3.72 1.78 × 109
平行于y 3.70 1.73 × 109 3.75 1.76 × 109
平行于z 3.99 1.92 × 109 5.17 2.51 × 109