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이강미(Kangmi Lee),김성진(Sungjin Kim),김대준(Daejun kim),김재호(Jaeho Kim) 한국철도학회 2016 한국철도학회 학술발표대회논문집 Vol.2016 No.10
최근 국내 철도시스템에서도 ‘원격’, ‘무선’, ‘무인’과 같은 승객/운영자 편의 기능이 차량의 필수 기능사양으로 요구되어지고 있다. 무선기반 완전 무인 열차제어시스템, 실시간 차량상태 모니터링 기술 등이 그 예이다. 현재까지는 기존 차량에 운영유지보수 효율성을 위하여, 유무선 통신기술을 적용한 응용기술 관점의 융합기술이 개발되었지만, 보다 진화된 철도차량개발을 위해서는 차량 자체가 지능화 되어야 한다. 본 논문에서는 전장기술 관점에서 지능형 철도차량의 국내외 현황, 필요성 그리고 기술개발 방향에 대하여 기술하고자 한다. In recent years the domestic rail passenger system / operator-friendly features such as "remote", "radio", "unattended" needs are becoming an essential functional specifications of the vehicle. And wireless-based train control system completely unattended, real-time vehicle status monitoring technology is an example. Until now, in order to enhance maintain efficiency in existing vehicles, the development of ICT convergence technology have applied technology perspective applied for wired and wireless communications technology, but the vehicle itself should be intelligent in order to develop a more advanced rail car. In this paper, we describe about the domestic and international status, and the need for technology development direction of railway vehicles on the vehicle electronics technology perspective.
女貞子와 ?寄生이 난소적출로 유발된 흰쥐의 골다공증 치료효과에 미치는 영향
이상윤(Sangyun Lee),서부일(Buil Seo),박지하(Jiha Park),노성수(Seongsoo Roh),김대준(Daejun Kim) 한국한의학연구원 2011 한국한의학연구원논문집 Vol.17 No.1
Objectives : The present study had been undertaken to investigate the effects of Ligustri Lucidi Fructus Extract and Vici Herba Extract on treatment of osteoporosis in ovariectomized rats. Method : In this experiment, the rats were ovariectomized. Rats were individually administered by water extract from Ligustri Lucidi Fructus or Vici Herba(dose:1㎖/100g, 2times/day). The levels of bone mineral density, serum components, urinary components, bony components, body weight and uterus weight were measured. Results : The levels of spinal and femoral bone mineral density(BMD) were significantly increased in comparison with OVX group at 8 weeks after administration in Vici Herba group. The levels of serum osteocalcin showed significant decrease in comparison with OVX group at 4 weeks after administration in Ligustri Lucidi Fructus and Vici Herba group. The levels of serum ALP and phosphorus showed significant decrease in comparison with OVX group at 4, 8 weeks in after administration in Ligustri Lucidi Fructus and Vici Herba group. The levels of urinary deoxypyridinoline showed significant decrease in comparison with OVX group in Ligustri Lucidi Fructus group. The levels of fibula-tibial ash weight showed significant increase in comparison with OVX group after administration in Ligustri Lucidi Fructus group. The levels of body weight were significantly decreased in comparison with OVX group at 4 weeks after administration in Ligustri Lucidi Fructus group and at 4, 8 weeks after administration in Vici Herba group. The levels of uterus weight were not significantly increased in comparison with OVX group in Ligustri Lucidi Fructus and Vici Herba group. Conclusion : Reviewing these experimetal results, it appeared that Ligustri Lucidi Fructus and Vici Herba had efficacy on treatment of osteoporosis.