用ballasts造句子，“ballasts”造句

The model of high intensity discharge (HID) lamps contributes a lot to the designing of electronic ballasts.

Used for testing the transistors of electronic ballasts, energy-saving lamps.

For these reasons, all fluorescent lighting ballasts which are not specifically labeled "no PCBs" must be suspected to contain PCBs.

Railway applications - Rolling stock - D. C. supplied electronic ballasts for lighting fluorescent lamps.

Also, some ballasts manufactured after 1978 contain PCBs or the carcinogenic chemical DEHP.

Fluorescent lighting ballasts may contain PCBs and must be disposed in accordance with state and federal regulations.

Y. R. Yang, C. L. Chen," Analysis of self-excited electronic ballasts using BJTs/ MOSFETs as switching devices," IEE Proceedings-Circuits, Devices, and Systems, Vol.145, No.2. pp.95-104, April1998.