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박영록,홍순기,허철,김헌주,한용표 대한신경외과학회 1991 Journal of Korean neurosurgical society Vol.20 No.7
The authors analyzed 38 cases with bilateral traumatic intracranial hematoma accroding to their etiology, impact site, brain computerized tomographic findings, initial Glasgow Coma Scale(GCS) and follow-up Glasgow Outcome Scale(GOS). 1) Bilateral traumatic intracranial hematoma occurred in 38 of the 1358 head injured patients, for an incidence of 2.8%. 2) The important factors affecting on patients' outcome were initial GCS(P<0.001) and effacement of the midline CSF space such as 3rd ventricle, basal and quadrigeminal cistern on initial brain CT scan(P<0.0001). 3) The degree of midline shift on initial brain CT scan did not significantly affect on patients' outcome(P=0.0887). 4) The patients' outcome of bilateral hematoma was good(63%), bad(37%) and the mortality was 15.7%.
Hu, Jin-Ryul,Choi, Beom-Rak,Park, Hye-Rim,Sung, Mi-Sun,Yi, Hae-Yeon,Kang, Su-Jin,Ku, Sae-Kwang,Lee, Young-Joon The Society of Korean Medicine 2016 대한한의학회지 Vol.37 No.4
Objectives: The aim of this study was to solve skin moisturizing action mechanism issues of pomegranate concentrated solution (PCS) and dried pomegranate concentrate powder (PCP), at least partially. Materials and methods: In this study, ceramide and $TGF-{\beta}1$ contents with $TGF-{\beta}1$ mRNA expressions were analysis on the skin tissue homogenate samples after 56 days of continuous oral administration of PCS 1, 2, and 4 ml/kg, and PCP 100, 200 and 400 mg/kg. Results: Noticeable and dose-dependent increases of skin $TGF-{\beta}1$ contents and mRNA expressions were demonstrated in all PCP and PCS treated mice as compared with intact vehicle control, but no significant changes on the skin ceramide contents were demonstrated in all PCP and PCS treated mice as compared with intact vehicle control, in the current study. In addition, PCP 200 mg/kg showed similar increases of the skin $TGF-{\beta}1$ contents and mRNA expressions as compared to those of PCS 4 ml/kg. Conclusions: The presented results suggested that in vivo skin moisturizing effects of PCP and PCS after oral administration through up regulation of hyaluronan synthesis demonstrated in our previous results, may be possibly mediated by modulation of $TGF-{\beta}1$ expressions at least partially, without critical influences on the skin ceramide contents.
하이브리드 전기자동차의 BMS ECU 개발 및 모니터링
박현석(Hyunseok Park),구본웅(Bonwoong Ku),엄태홍(Taehong Eom),최후락(Hu Rak Choi),최창율(Changyul Choe) 한국자동차공학회 2005 한국자동차공학회 Symposium Vol.- No.-
BMS(Battery Management System) consists of BMS ECU(Electric Control Unit), battery, tray, current sensor, DC link, terminal, safety plug, fuse, cooling fan. The BMS ECU contains all the BMS power electronics circuitry. It takes control signals from the Battery Monitoring to control the battery charging process and to switch the power connections to individual cells. In the paper, BMS ECU was designed and manufactured. Also, the validity is confirmed through Temperature & Humidity Environment test and Electrical Environment test.
구세광,이영준,Kim, Kyung Hu,Kang, Su Jin,Choi, Beom Rak,Kim, Seung Hee,Yi, Hae Yeon,Kim, Dong Chul,Choi, Seong Hun,Han, Chang Hyun,Park, Soo Jin,Song, Chang Hyun,Ku, Sae Kwang,Lee, Young Joon 대한예방한의학회 2014 대한예방한의학회지 Vol.18 No.2
Objective : In this study, the addition of dried pomegranate concentrate powder (PCP) was affected the anti-climacterium activity of red clover dry extracts (RC) in ovariectomized (OVX) rats. Materials and methods : After bilateral OVX surgery, RC 40 mg/kg, PCP 20 mg/kg and RC:PCP 2:1 mixture (g/g) 120, 60 and 30 mg/kg (of body weight) were orally administered, once a day for 84 days, and then the changes on the serum estradiol levels, abdominal fat pad and uterus weights were observed for estrogenic effects. In addition, liver weights, serum aspartate aminotransferase (AST) and alanine aminotransferase (ALT) levels were also evaluated for hepatoprotective effects, and serum total cholesterol (TC), low density lipoprotein (LDL), high density lipoprotein (HDL) and triglyceride (TG) levels were monitored for hypolipidemic effects. Results : As a result of OVX, the estrogen-deficient climacterium symptoms, increments of abdominal fat pad weights, serum AST, ALT, TC, LDL and TG levels with decrease of uterus and liver weights, serum estradiol levels, were demonstrated. However, these estrogen-deficient climacterium symptoms induced by bilateral OVX in rats were significantly inhibited by continuous oral treatment of RC 40 mg/kg, PCP 20 mg/kg and RC:PCP 2:1 mixture (g/g) 120, 60 and 30 mg/kg, respectively. Conclusion : The results suggested that RC:PCP 2:1 mixtures synergistically increased the anti-climacterium effects of RC in OVX rats. It, therefore, is expected that RC:PCP 2:1 mixture will be promising as a new potent protective agents for relieving the climacterium symptoms.
기술현황분석 - EBP 알고리즘을 이용한 부분방전 패턴인식 기술 개발에 관한 연구
정경열,이후락,한정은,박정태,장경선,김용식,Jeong, Gyeong-Yeol,Lee, Hu-Rak,Han, Jeong-Eun,Park, Jeong-Tae,Jang, Gyeong-Seon,Kim, Yong-Sik 재료연구소 2009 機械와 材料 Vol.21 No.3
전력기기에서 발생하는 부분방전을 정확히 측정하고 이를 올바르게 해석하는 작업은 신뢰성 있는 진단법을 개발하고 이를 현장에 적용하는데 있어 대단히 중요하다. 측정된 고주파 데이터를 패턴 분석이 가능한 형태로 가공하는 전처리 과정을 수행하고, 가공된 데이터를 패턴인식을 통하여 기존의 각 노이즈 및 부분방전 패턴과 비교하여 실제 측정된 데이터가 어떤 부분방전 패턴인지 판단한다. 패턴 인식 처리 방법으로는 컴퓨터 분야 신경회로망의 BP 알고리즘과 SOM 알고리즘이 널리 사용되고 있으며 본 연구에서는 TF-MAP, PRPDA, EBP 알고리즘을 이용하여 부분방전 패턴인식 기술 개발에 관한 연구를 수행하였다.