Methodology and Technology for Power System Grounding
Grounding is the fundamental measures to ensure the safe operation of power systems, including power apparatus and control/monitoring systems, and guarantee the personal safety. Grounding technology is an interdiscipline involving electrical engineering, high voltage technology, electric safety, electromagnetics, numerical analysis, and... | | | | PDR for Herbal Medicines (Physician's Desk Reference for Herbal Medicines)
Botanical remedies, used successfully for centuries in the Orient and routinely used as natural alternatives for prescription drugs in Europe, are currently gaining wide popularity in the United States.
Now the publishers of the most accurate reference for FDA-approved drug information brings you the complete, authoritative... |