http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
- 中文 을 입력하시려면 zhongwen을 입력하시고 space를누르시면됩니다.
- 北京 을 입력하시려면 beijing을 입력하시고 space를 누르시면 됩니다.
RISS 인기검색어
- 검색키워드
- 저자 : 이정렬(Jung-Youl Lee) (검색결과 2 건)
- 무료
- 기관 내 무료
- 유료
-
자기장 노출평가 및 자기장 노출로 인한 심박동수 변화에 관한 연구
김윤신(Yoon Shin Kim),조용성(Yong Sung Cho),이정렬(Jung Youl Lee),김정현(Jung Hyun Kim) 한국환경보건학회 1999 한국환경보건학회지 Vol.25 No.4
The objective of this study was to evaluate heart rate, ST segment in ventricular, and ventricular premature beat for cardiac function and exposure of magnetic field between high-exposure group and low-exposure group. An experimental study was performed for four month of study period of December 1998-March 1999 to assess 24 hr personal exposure level using EMDEXII and heart rate beat using Holter for subject. Subjects were 45 physically and mentally healthy male volunteers, and assigned to two groups. High-exposure group was 23 male volunteers; 9 subway drivers, 7 electric workers, and 7 transformer substation workers (mean age : 29.9±4.0, mean BMI : 22.66±2.2). The low-exposure group was 22 male volunteers; 10 students and 12 official workers (mean age : 30.4±4.6, mean BMI : 23.10±2.4). Informed consent was obtained from each subject. There was not a significant difference for the average heart rates beats between high-exposure and low-exposure groups. The mean 24hr personal exposure levels of high-exposure group were 0.73 μT, whereas low-exposure group were 0.08 μT. High-exposure group were exposed more highly while at work. But 5 subject who working period more than five years in high-exposure group were significant difference between heart rate beats and exposure to magnetic field levels(p=0.037). Finally, this study would provide significant data for furture study of risk assessment of magnetic fields. A large scale study concerning more detailed exposure assessment should provide important information on health risk assessment of MFs. Further study should provide information on the contribution of various sources and the relationship between cardiac autonomic function and exposure of magnetic fields.
-
최준영(June-Young Choi),최홍규(Hong-Kyoo Choi),이근무(Guen-Moo Lee),최경한(Kyung-Han Choi),임명환(Myung-Hwan Lim),최신권(Shin-Gwon Choi),이정렬(Jung-Youl Lee),황상구(Sang-Gu Hwang) 한국조명·전기설비학회 2009 한국조명·전기설비학회 학술대회논문집 Vol.2009 No.5월
최근 교토의정서 협약 체결 후 전 세계적으로 각종 환경 관련 규제가 강화되고 있으며, 고유가에 따른 지속 가능한 에너지원의 필요성 확대에 따른 재생에너지분야의 연구가 집중적으로 이루어지고 있다. 이에 본 논문에서는 재생에너지 분야 중 풍력발전시스템에 적용하고자 우리나라의 지형 및 풍속을 조사 · 분석하여 풍력에너지를 검토해보고자 한다. each kind environment connection regulation is solidified worldwide after kyoto protocol recently, and research of revival energy field by necessity extension of source of energy that continuance is possible that follow to high oil price is consisting concentrically. In treatise that see hereupon to apply to wind force development system of revival energy field topography of our country and wind speed investigation · analyze and examine wind force energy wish to.
연관 검색어 추천
이 검색어로 많이 본 자료
활용도 높은 자료
