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노태천,이병욱 충남대학교 공업교육연구소 2000 論文集 Vol.23 No.1
This study purposes to provide prospects to renew industrial education with focus on recent policies. For the purpose, we have reviewed the current state of industrial education in Korea and pointed out its problems. We can point out solutions of industrial education in Korea based on this study; structural reform in technical high school, management of various, specialized and self-controlled curriculums, improve teaching-learning methods corresponded to learner's level, cultivating teacher training programs and retraining system, including the test of industrial education domain for college entrance examination, establishing the public place for teaching practice. But, what the most importance things need to improve are as follows; social structure of academical cliquism, irrational a wage system, and personnel management, contemp of the technology and skill, and so on.
2 CASES OF RABBIT SYNDROME : 토끼증후군 2례
민병근,이창화,안준호,천두욱,김헌수 울산대학교 의과대학 1994 울산의대학술지 Vol.3 No.2
The application of neuroleptics to schizophrenic and other psychotic patients in the early 1950's led to the therapeutic revolution into the psychiatry, on the other hand neuroleptic-related adverse effects did frequently occur. The authors experienced 2 cases of rabbit syndrome producing by rare complication of neuroleptic medication. Two cases were examined for the rabbit syndrome by the description of Villeneuve(1972) and Sovner and DiMascio(1977). The reciprocal coordination test and the finger-tapping technique to worsen the symptoms also were applied to two patients. The authors emphasized two issues of rabbit syndrome as follows. First, though the literature search showed that the majority of patients presented with rabbit syndrome which is usually seen after a prolonged exposure to neuroleptic medication with the more potency in the middle or elderly aged are over 45 years old, we suggest that this syndrome might be linked to the younger age factor and the low potency thioridazine in our patient. Second, the rabbit syndrome is in the importance of the clinical practice because of being readily reversible with antiparkinsonian agents or anticholinergic drugs. In addition, recognizing this condition and differentiating it from tardive dyskinesia helps in the choice of the proper treatment of orofacial disorders following neuroleptic medication for the long time.
연폭로 근로자들에서 적혈구 Pyrimidine 5'-Nucleotidase 활성도 및 요중 N-Acetyl-β-D-Glucosaminidase 활성도와의 상관관계 연구
서홍규,이병국,황천현,장성훈,이성수,이원진,최재욱 大韓産業醫學會 1997 대한직업환경의학회지 Vol.9 No.2
In this study, we measured the activity of the erythrocyte pyrimidin 5'-nuclectidase(P5N) and urinary N-acetyl-β-D-glucosaminidase(NAG) from 154 workers exposed to lead and 43 workers not exposed. We analyzed the correlation of the P5N activity and NAG activity with other biololgical exposure indices of lead such as blood lead(PbB) and zinc protoporphyrin(ZPP). The measurement was performed by using high performance liquid chromatography(HPLC), spectrophotometer and atomic absorption spectrophotometer. The results are as follows : 1. The mean value of P5N activity for workers exposed to lead was 9.50±3.13 μmol uridine/hr/g Hb and 11.60±2.2 μmol uridine/hr/g Hb for workers not exposed. The P5N activity showed a normal distribution, but the other indices of lead showed logarithmic normal distributions. 2. The P5N activity and ZPP were decreased as PbB was increased. But the NAG activity had no correlation with changes of PbB. 3. The correlation coefficients of the P5N activity with other biological exposure indices of lead such as PbB, ZPP, NAG activity were -0.72, -0.55, and 0.05, respectively. We speculated that the P5N activity can be used as a reliable biological exposure index of lead but NAG activity can be used as a biological management index of lead.
( Seung Wook Hong ),( Byong Duk Ye ),( Jae Hee Cheon ),( Ji Hyun Lee ),( Ja Seol Koo ),( Byung Ik Jang ),( Kang-Moon Lee ),( You Sun Kim ),( Tae Oh Kim ),( Jong Pil Im ),( Geun Am Song ),( Sung-Ae Jun 대한소화기학회 2022 Gut and Liver Vol.16 No.6
Background/Aims: The prospective Crohn’s Disease Clinical Network and Cohort Study is a nationwide multicenter cohort study of patients with Crohn’s disease (CD) in Korea, aiming to prospectively investigate the clinical features and long-term prognosis associated with CD. Methods: Patients diagnosed with CD between January 2009 and September 2019 were prospectively enrolled. They were divided into two cohorts according to the year of diagnosis: cohort 1 (diagnosed between 2009 and 2011) versus cohort 2 (between 2012 and 2019). Results: A total of 1,175 patients were included, and the median follow-up duration was 68 months (interquartile range, 39.0 to 91.0 months). The treatment-free durations for thiopurines (p<0.001) and anti-tumor necrosis factor agents (p=0.018) of cohort 2 were shorter than those of cohort 1. Among 887 patients with B1 behavior at diagnosis, 149 patients (16.8%) progressed to either B2 or B3 behavior during follow-up. Early use of thiopurine was associated with a reduced risk of behavioral progression (adjusted hazard ratio [aHR], 0.69; 95% confidence interval [CI], 0.50 to 0.90), and family history of inflammatory bowel disease was associated with an increased risk of behavioral progression (aHR, 2.29; 95% CI, 1.16 to 4.50). One hundred forty-one patients (12.0%) underwent intestinal resection, and the intestinal resection-free survival time was significantly longer in cohort 2 than in cohort 1 (p=0.003). The early use of thiopurines (aHR, 0.35; 95% CI, 0.23 to 0.51) was independently associated with a reduced risk of intestinal resection. Conclusions: The prognosis of CD in Korea appears to have improved over time, as evidenced by the decreasing intestinal resection rate. Early use of thiopurines was associated with an improved prognosis represented by a reduced risk of intestinal resection. (Gut Liver 2022;16:907-920)
FUEL PERFORMANCE CODE COSMOS FOR ANALYSIS OF LWR UO<sub>2</sub> AND MOX FUEL
Lee, Byung-Ho,Koo, Yang-Hyun,Oh, Jae-Yong,Cheon, Jin-Sik,Tahk, Young-Wook,Sohn, Dong-Seong Korean Nuclear Society 2011 Nuclear Engineering and Technology Vol.43 No.6
The paper briefs a fuel performance code, COSMOS, which can be utilized for an analysis of the thermal behavior and fission gas release of fuel, up to a high burnup. Of particular concern are the models for the fuel thermal conductivity, the fission gas release, and the cladding corrosion and creep in $UO_2$ fuel. In addition, the code was developed so as to consider the inhomogeneity of MOX fuel, which requires restructuring the thermal conductivity and fission gas release models. These improvements enhanced COSMOS's precision for predicting the in-pile behavior of MOX fuel. The COSMOS code also extends its applicability to the instrumented fuel test in a research reactor. The various in-pile test results were analyzed and compared with the code's prediction. The database consists of the $UO_2$ irradiation test up to an ultra-high burnup, power ramp test of MOX fuel, and instrumented MOX fuel test in a research reactor after base irradiation in a commercial reactor. The comparisons demonstrated that the COSMOS code predicted the in-pile behaviors well, such as the fuel temperature, rod internal pressure, fission gas release, and cladding properties of MOX and $UO_2$ fuel. This sufficient accuracy reveals that the COSMOS can be utilized by both fuel vendors for fuel design, and license organizations for an understanding of fuel in-pile behaviors.
공업계 고등학교 맥락에서의 직업교육 발전 방안 - 공고 교육의 현안문제와 개선방안을 중심으로 -
이병욱(Byung Wook Lee),노태천(Tae Cheon Rho),김춘길(Choon Gil Kim) 대한공업교육학회 2002 대한공업교육학회지 Vol.27 No.2
The purpose of this study was to suggest the directions of development on vacational education on the center for pending problem and reformation of Technical high school. In order to achieve the objectives of this study, the study problems were as follows: a. What are the today`s actual conditions and pending problems of the technical high school education? b. What is the solution in the face of problems of the technical high school education? c. What are the directions of development on vocational education in technical high school? Research methods employed in this study were a review of the related literature, interviewing and the advice of specialists. The conclusions obtained from this study were as follows: The major reason for the crisis of the technical high school education is why the government carried out enterprise-based policy; it means that the policies are not concentrated on the work conditions of small enterprises where students will work after their graduation but on the process of employing and education students for them. Therefore we need policies that are covering the types of job, pay level and work condition of these enterprises. Besides, it needs new ideas for combination of school member`s effort and inventional education, starting business education and etc. It will be helpful for national policy to normalize the technical education when the efforts of making substantial education and managing quality of curriculum are accompanied.
FC 2-14 Clinical study of hypopigmentation induced by intra-articular corticosteroid injection
( Sang-jin Cheon ),( Hyun Ju Jin ),( Hyang-suk You ),( Woo-haing Shim ),( Jeong-min Kim ),( Gun-wook Kim ),( Hoon-soo Kim ),( Hyun-chang Ko ),( Byung-soo Kim ),( Moon-bum Kim ) 대한피부과학회 2016 대한피부과학회 학술발표대회집 Vol.68 No.2
Background: Intra-articular corticosteroid injection (IACI) is commonly used in the field of orthopedic surgery and rheumatology for management of the joint disease. However, there have been very limited data about IACI-induced hypopigmentation. Objectives: The purpose of present study was to investigate characteristics of IACI-induced hypopigmentation. Methods: 43 patients who were diagnosed as IACI-induced hypopigmentation at Pusan National University Hospitals (Busan and Yangsan) from 2004 to 2016. Results: Of the 43 patients, 53 lesions were analyzed in this study, the male to female ratio was 1:7.8 and the mean age at diagnosis was 46.4 ± 13.5 years. The most common (24/43, 56%) impression at the local clinics was vitiligo. Mean number of injection 1.8 times and the interval from injection to the onset of IACI-induced hypopigmentation was 3.3 months. Wrist was the most commonly affected site (18/53, 34%), followed by elbow (13/53, 25%), ankle (11/53, 21%) and knee (7/53, 13%). All of the lesions showed hypopigmentation accompanying promient underlying veins (28/53, 52.8%), skin atrophy (27/53, 50.9%), telangiectasia (10/53, 18.9%). Hypopigmented patches clinically showed various figures such as polygonal-linear (23/53, 43%), polygonal (16/53, 30%), and linear (14/53, 26%) appearances. And, they mostly had speculated border (43/53, 81%). Conclusion: Dermatologists need to be familiar with IACI-induced hypopigmentation in order to avoid incorrect management under misdiagnosis of vitiligo.