• Title/Summary/Keyword: Yoon Baek Nam

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The Driving Characteristics of Ultrasonic Motor (초음파 모터의 구동 특성)

  • Choi, Jung-Seok;Baek, Soo-Hyun;Kim, Yong;Yoon, Shin-Yong;Choi, Chul-Yong;Kim, Il-Nam
    • Proceedings of the KIEE Conference
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    • 2002.07b
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    • pp.783-785
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    • 2002
  • In this paper, the driving characteristic for a ring type ultrasonic motor is described. For driving of ultrasonic motor, a two-phase parallel-resonant inverter was made. The driving circuit simulation results are compared with measured frequencis and amplitudes.

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Ambivalent effects of genistein on the male reproductive systems of mice

  • Jung, Eun-Yong;Baek, In-Jeoung;Kang, Jong-Koo;Nam, Sang-Yoon
    • Proceedings of the Korean Society of Toxicology Conference
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    • 2001.05a
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    • pp.165-166
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    • 2001
  • Genistein, a soybean-originated isoflavone, is an anticancer agent preventing various cancers including prostate, uterus, and mammary gland cancers. However, recently, genistein has been classified into a potential endocrine disruptor, because it binds to estrogen receptors and causes reproductive disturbances in some animals.(omitted)

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