By using the neurobehavioral core test battery (NCTB), 44 manganese exposed workers working in electricalarcwelding and dry battery workshops were tested.
选择44名接触不同空气中锰浓度的干电池制造工和电焊工，进行了成套的神经行为功能测验。
2
The electrical signals of CO2 arcwelding contain plenty of welding information.
CO2焊接过程的电弧电压、焊接电流信号蕴含了丰富的焊接信息。
3
The main disbennifits in welding processes including electrical hazards, arc radiation, noise and fume formatiom are described in this paper.