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- working frequency magnetic field 工频磁场
- work frequency magnetic field 工频磁场
- 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。
- Aims: To investigate the relationship between extremely low frequency magnetic field (ELF-MF) exposure and mortality from leukaemia and brain tumour in a cohort of Swiss railway workers. 目的:探讨瑞士铁路工人世代之极低频磁场暴露与白血病及脑瘤死亡率的关系。
- Exposure to power frequency magnetic fields was estimated using a population-based JEM which was specifically developed in the United States to assess occupational magnetic field exposure. 电力频率磁场的职业暴露以美国特别针对职业族群所发展出来之工作矩阵进行评估。
- Low Frequency Magnetic Field Therapy Machine 低频磁疗机
- audio frequency magnetic field method 间频磁场法
- R.Sekerinska and V.Dimcev, “Measurement of power frequency magnetic fields in different environments,” IEEE Electrotechnical Conference, pp.1107-1110, 2000. 陈韦达,电力电缆线路磁场之降低对策,国立台湾科技大学硕士论文,民国九十四年六月。
- power frequency magnetic field intensity 工频磁感应强度
- Power Frequency Magnetic Field Induction Coil Calibration 工频磁场感应线圈校准
- It shows the presence of a magnetic field. 这表明有磁场存在。
- Hazards of radio frequency magnetic field and their prevention and control 射频电磁场危害及其预防控制
- Types of low frequency magnetic field meter and its calibrating methods 低频磁场计种类和校验方法
- Calculation of power frequency magnetic field from indoor substation busbars 室内配电房母线工频磁场分布计算
- Can Magnetic Field Drill through a Piece of Iron? 磁场能穿过铁片吗?
- The string is in a magnetic field. 振动弦处于磁场之中。
- It must have the eletricity net of work frequency,and the variety value of voltage is in 380V,the variety value of frequency is in 50HZ. 必须具有工频电网,而且电压变化值在380以内,频率变化在50以内。
- The force exerted by a magnetic field. 力由磁场施加的力。
- The lines of force of a magnetic field. 磁力磁场的磁力线
- Experimentation indicate the system could adjust automatically hydraulic impactor work frequency and single impact energy according to work target,making the ... 实验表明该设计方案可以根据工作对象自动调节冲击频率和单次冲击能,实现液压冲击器的智能化工作。