...周围儿童白血病发病率增高以来，较多的流行病学调查及细胞分子实验研究支持极低频磁场(Extremely Low Frequency Magnetic Field，ELF MF)可能增加肿瘤发生的危险性，并有可能引起其他的潜在危害。
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目的:观察慢性工频磁场(extremely low frequency magnetic field,ELF-MF)暴露对大鼠神经行为的影响。方法:应用50Hz正弦交变磁场,2m .
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目的:观察慢性工频磁场(extremely low frequency magnetic field,ELF-MF)暴露对大鼠神经行为的影响。方法:应用50Hz正弦交变磁场,2m .
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Objectives to investigate intensity of extremely low frequency magnetic field (ELFMF) emitted from cathode-ray tubes (CRT) of monitors in various directions and to find ways to avoid its influence.
目的研究电脑阴极射线管显示器正前方不同距离和不同方位的极低频磁场(ELFMF)强度，就如何减少ELFMF的影响提出初步建议。
This makes achieving negative permeability under extremely low frequency as well as the permeability switching between positive and negative value rapidly through a magnetic field pulse into possible.
这使实现极低频的负磁导率以及通过磁场脉冲实现磁导率在正负之间快速跳变成为可能。
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