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지진 하중조건에서 배관 건전성 평가를 위한 실험적 연구 현황
김진원,김종성,김윤재,권형도,Kim, Jin Weon,Kim, Jong Sung,Kim, Yun Jae,Kweon, Hyeong Do 한국압력기기공학회 2017 한국압력기기공학회 논문집 Vol.13 No.1
This paper reviewed and summarized the experimental studies conducted during last three decades to evaluate the structural integrity and to establish the acceptance criteria for piping system of nuclear power plants (NPPs) under seismic loading condition. These experimental studies contain the results of large-scale piping system tests under excessive seismic loading as well as standard specimen tests, simplified piping specimen tests, and piping components tests under simplified dynamic and cyclic loading. These would be useful as a basis for establishing integrity assessment procedure and acceptance criteria for piping systems of NPPs under beyond design basis earthquake (BDBE) conditions, and also could be used in planing the scope and direction of further related researches.
전환장애를 간양화풍(肝陽化風)으로 변증(辨證)한 치험 1례(例)
김진원,정병주,우성호,김병철,손지형,임호제,황규동,서호석,김용호,한승혜,Kim, Jin-Won,Jeong, Byeong-Ju,Woo, Sung-Ho,Kim, Byung-Chul,Son, Ji-Hyung,Lim, Ho-Jae,Hwang, Gyu-Dong,Seo, Ho-Seok,Kim, Yong-Ho,Han, Seung-Hea 대한한방내과학회 2005 大韓韓方內科學會誌 Vol.26 No.2
Conversion disorder lacks temperamental grounds and is a type of somatoform disorder that includes alteration or loss of physical functions implicated in physical deficit suggestive psychological conflict. There is high incidence of return of conversion disorder and difficulty in producing exact approaches of cure and apparent effects of remedy with symptomatic treatment alone because of its complex clinical symptoms. The approach of Oriental Medicine in treatment of conversion disorder is to apprehend relative symptoms from the syndrome combined with several annexational symptoms centering around sequential symptoms. Thereupon, author made a Ganyanghwapung comprehensive diagnosis was conducted using Oriental Medicine measures by differential diagnostic methods in psychosomatic patients whose cases are diagnosed as conversion disorder. Then, Cheonmagudeungeum Gagambang was prescribed for them and it brought on satisfactory effects from the first or second treatment. There have been many cases reporting the application of Oriental Medicine treatment to conversion disorder to date and outcomes have also been favorable. Results of this study likewise suggest that this Oriental Medicine treatment for conversion disorder is effective.
파킨슨병으로 유발된 진전이 한약 치료를 통하여 호전된 치험 1례
김진원,김병철,우성호,나유진,심효주,이원희,이지영,서호석,김용호,정병주,Kim, Jin-Won,Kim, Byung-Chul,Woo, Sung-Ho,Na, Yu-Jin,Shim, Hyo-Ju,Lee, Won-Hui,Lee, Ji-Young,Seo, Ho-Seok,Kim, Yong-Ho,Jeong, Byeong-Ju 대한한방내과학회 2006 大韓韓方內科學會誌 Vol.27 No.4
As society ages, the seriousness of Parkinson's disease in the elderly increases. This study was performed in order to evaluate the effect of Korean medical treatments on Parkinson's symptoms. An elderly patient was diagnosed with Parkinson's disease by clinical symptoms, which were resting tremor, pill-rolling tremor and mild bradykinesia. We treated her disease with Korean medical treatment, including herbal medicine and acupuncture therapy and excluding western medication. For the herbal medicine, Insamyangyeong-tang (人參養榮湯), Bobi-tang (補脾湯), Dokhwaljihwang-tang (獨活地黃湯) and Sipimijihwang-tang (十二味地黃湯) were primarily used. In result, the clinical symptoms, measured by unified Parkinson's disease rating scale (UPDRS) and modified Hoehn and Yahr stage (H-Y stage), of Parkinson's disease in this patient had improved after the Korean medical treatment. This study suggests that Korean medical treatments can be applicable to improve symptoms in patients with Parkinson's disease.
복수 동반 간병변 환자의 평위산(平胃散) 합(合) 위령탕가미방 투여 호전 1례
김진원,정병주,우성호,심효주,나유진,김용호,서호석,이원희,김병철,Kim, Jin-Won,Jeong, Byeong-Ju,Woo, Sung-Ho,Shim, Hyo-Ju,Na, Eu-Jin,Kim, Yong-Ho,Seo, Ho-Seok,Lee, Won-Hui,Kim, Byung-Chul 대한한방내과학회 2006 大韓韓方內科學會誌 Vol.27 No.4
Background : Liver cirrhosis is a disease of the liver in which normal cells are replaced by scar tissue. This condition results in the failure of the liver to perform many of its usual functions. Liver cirrhosis includes ascites, jaundice, portal hypertension, varices etc. Objectives : This study was to see if there is a decrease in ascites of liver cirrhosis to under acupuncture and herbal treatment to test their validity. Methods : Measuring the response to treatment of ascites by giving pyengwie-san hap wieryungtang gamibang and treating the patient with acupuncture, these clinical symptoms were observed: weight, abdominal circumference, abdominal SONO, chest X-ray, and lab findings. Results : Over 18 days the daily average loss of weight and abdominal circumference 0.43kg and 0.56cm, respectively. Lab findings of liver functions showed improvement. Conclusions : This report shows a role for acupuncture and herbal treatment for treating ascites in liver cirrhosis.
반복 응력-변형률 시험을 통한 반복하중 조건에서 원전 주요 구조재료의 변형거동 평가
김진원,김종성,권형도,Kim, Jin Weon,Kim, Jong Sung,Kweon, Hyeong Do 한국압력기기공학회 2017 한국압력기기공학회 논문집 Vol.13 No.1
This study investigated deformation behavior of major nuclear structural materials under cyclic loading conditions via cyclic stress-strain test. The cyclic stress-strain tests were conducted on SA312 TP316 stainless steel and SA508 Gr.3 Cl.1 low-alloy steel, which are used as materials for primary piping and reactor pressure vessel nozzle respectively, under cyclic load with constant strain amplitude and constant load amplitude at room temperature (RT) and $316^{\circ}C$. From the results of tests, the cyclic hardening and softening behavior, stabilized cyclic stress-strain behavior, and ratcheting behavior of both materials were investigated at both RT and $316^{\circ}C$. In addition, appropriate considerations for cyclic deformation behavior in the structural integrity evaluation of major nuclear components under excessive seismic condition were discussed.
N-polar면의 선택적 에칭 방법을 통한 Free-standing GaN 기판의 Bowing 제어
김진원,손호기,임태영,이미재,김진호,이영진,전대우,황종희,이혜용,윤대호,Gim, Jinwon,Son, Hoki,Lim, Tea-Young,Lee, Mijai,Kim, Jin-Ho,Lee, Young Jin,Jeon, Dae-Woo,Hwang, Jonghee,Lee, Hae-Yong,Yoon, Dae-Ho 한국전기전자재료학회 2016 전기전자재료학회논문지 Vol.29 No.1
In this paper, we report that selective etching on N-polar face by EC (electro-chemical)-etching effect on the reduction of bowing and strain of FS (free-standing)-GaN substrates. We applied the EC-etching to concave and convex type of FS-GaN substrates. After the EC-etching for FS-GaN, nano porous structure was formed on N-polar face of concave and convex type of FS-GaN. Consequently, the bowing in the convex type of FS-GaN substrate was decreased but the bowing in the concave type of FS-GaN substrate was increased. Furthermore, the FWHM (full width at half maximum) of (1 0 2) reflection for the convex type of FS-GaN was significantly decreased from 601 to 259 arcsec. In the case, we confirmed that the EC-etching method was very effective to reduce the bowing in the convex type of FS-GaN and the compressive stress in N-polar face of convex type of FS-GaN was fully released by Raman measurement.
설계의 안전성 검토를 위한 건설공사의단위작업 분석: OO공사의 발주공사를 중심으로
김진원,조건희,송상훈,방종대,손정락,Kim, Jin-Won,Cho, Gun-Hee,Song, Sang-Hoon,Bang, Jong-Dae,Sohn, Jeong-Rak 한국토지주택공사 토지주택연구원 2016 LHI journal of land, housing, and urban affairs Vol.7 No.4
Recently, Ministry of Land, Infrastructure and Transport has amended the law to Design for Safety in working design stage of construction work. There should be informed the disaster likelihood and severity of unit-works to decide risk of unit-works in Design for Safety. Therefore, the construction disaster data of ${\bigcirc}{\bigcirc}$ corporation were classified as 24 unit-works and the disaster likelihood and severity of unit works were analyzed in this study. The safety management level of unit-works which based on analysis data was suggested 3 groups; special management and emphasis management, regular management. The results of this study can be used as basic information to perform Design for Safety in construction. And this information will be able to reduce the disaster. 최근 국토교통부는 실시설계 단계에서 설계의 안전성 검토를 실시할 수 있도록 건설기술진흥법을 일부 개정하였다. 설계의 안전성 검토에서 위험성을 판단하기 위해서는 단위작업별 재해의 발생빈도수와 심각성을 파악해야 한다. 따라서 본 연구에서는 ${\bigcirc}{\bigcirc}$ 공사의 건설재해자료(471건)를 24개 단위작업으로 분류하고, 각 단위작업별 재해발생 빈도수 및 심각성을 분석하였다. 그 결과를 토대로 단위작업별 안전관리 수준을 3개 그룹(특별관리, 중점관리, 상시 관리)으로 제안하였다. 본 연구결과는 건설공사에서 설계의 안전성 검토를 하는데 있어 기초정보로 활용될 수 있을 것이다. 또한 이 정보를 활용하여 재해발생률을 저감시킬 수 있을 것으로 판단된다.