Anbieter: liu xing, Nanjing, JS, China
paperback. Zustand: New. Paperback. Pub Date: 143 Language: Chinese Publishing House In recent years. there has been an occurrence of ferromagnetic resonance in distribution network. and threatened the safety and stability of the power system. Film-magnetic resonant overvoltage treatment technology is based on the analysis of the voltage fault mechanism. type and characteristics of ferromagnetic resonument. explains .
ISBN 10: 7030694244 ISBN 13: 9787030694249
Anbieter: liu xing, Nanjing, JS, China
paperback. Zustand: New. Paperback. Pub Date: 2022-02-01 Pages: 73 Language: Chinese Publisher: Science Press Ge Zhi Yu Lun is a collection of medical papers written by Zhu Zhenheng in his later years. It was written in 1347 AD and is the earliest medical language in my country. focus on. The ancients learned things by investigating things. Zhu regarded medical research as an activity of investigating things to gain knowledge. so he named Ge Zhi Yu Lun as Ge Zhi Yu Lun. and prefaced it as the ancients used medicine a.