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박금주,류관희,정창주,Park, K.J.,Ryu, K.H.,Chung, C.J. 한국농업기계학회 1987 바이오시스템공학 Vol.12 No.3
A 10-degree of freedom mathematical model of motion for power tiller-trailer system was developed. This model can predict motion characteristics of power tiller trailer system while travelling over smooth and irregular ground surfaces under various operating conditions. The model provide, the fundamental data needed to improve the stability of power tiller-trailer systems.
박금주 숭실대학교 영재교육연구소 2019 Global Creative Leader Vol.9 No.2
The purpose of this study is to explore the reasons of college students’ dropout. Data analysis and interpretation were based on grounded theory, presented paradigm model, analyzed the process and derived core categories. Through open-cording, we derived 39 concepts, 14 sub-categories, and 12 categories. In the paradigm model, firstly, by axis coding, the central phenomena of the causal conditions, which have some results: For example, awareness of college rank, negative interpersonal relationships, worries and conflicts about the dropout. Secondly, contextual conditions corresponding to central phenomena which were lack of discipline in university life, discrepancy of expectation in university life, and a university makes me feel small. Thirdly, the arbitration conditions were that consideration for their filed of majors and beginning new experience at the university. Forth, the action and interaction strategy are trying to collect opinions for dropout and isolating from everyday life. Meanwhile, they choose two options both dropout and choice for the future. The core categories in select coding that is choosing a career for a better future, in specific, they considered that a career path by choosing their major in school form preparatory stage of the university entrance examination to the after graduate. 이 연구는 대학중도탈락 경험이 있는 대학생의 중도탈락과정을 탐색하여 성공적인 대학생활을 위한 전략을 모색하는 데 목적이 있다. 자료분석과 해석은 근거이론을 바탕으로 패러다임 모형을 제시하고 과정분석을 실시하였으며 핵심범주를 도출하였다. 연구결과, 개방코딩을 통해 총 39개의 개념과 14개의 하위범주, 12개의 범주가 도출되었다. 축코딩을 통한 패러다임 모형에서, 인과적 조건은 ‘대학서열에 대한 인식 존재’, ‘부정적인 대인관계 형성’이며 ‘중도탈락에 대한 고민과 갈등’이 중심현상이었다. 중심현상에 대응하는 맥락적 조건은 ‘자기관리가 결여된 대학생활’, ‘대학에 대한 기대의 불일치’, ‘나를 작게 만드는 대학’으로 나타났다. ‘지원학과에 대한 생각과 준비’, ‘새로운 경험의 시작, 대학생활’은 중재적 조건이었고 작용/상호작용 전략으로 ‘중도탈락에 대한 의견 수렴하기’, ‘일상생활에서 벗어나기’를 시도하고 결과에서는 ‘중도탈락’, ‘미래를 위한 선택’을 하였다. 선택코딩에서 핵심범주는 ‘좀 더 나은 미래를 위한 진로선택하기’로 나타났다. 연구 참여자들은 좀 더 나은 미래를 위한 진로를 선택하기 위해 대학입시준비과정부터 대학 졸업 후 진로를 고려하여 지원학과를 선택하였다. 대학입학 후 대학생활에서도 보다 나은 삶을 위한 진로선택에 대한 생각이 내재되어 있었다.
박금주,이현숙,조은희,고승현,이강우 대한작업치료학회 1998 대한작업치료학회지 Vol.6 No.1
The purpose of this study is to evaluate the cognitive perceptual performance skills in relation to activities of daily living(ADL) by using Lowenstein Occupational Therapy Cognitive Assessment(L0TCA) to measure the cognitive perceptual performance and FIM to measure the ADL. The subjects in this study were 24 stroke patients who were admitted for intensive treatment at Department of Rehabilitation in Samsung Medical Center from December. 1997 to June. 1998. SAS was used to analyze data. Using simple regression analysis was used to measure influence of LOTCA on FIM at discharge and to measure influence of patient's concentration on both FIM and LOTCA. Stepwise multiple regression analysis was used to confirm the relationship of FIM to each subtest of LOTCA. The results of this study are as follow : 1. Statistically. LOTCA score at admission showed correlationship with FIM score at discharge. (R2 = 0.50. p<0.0001) 2. Visuomotor organization showed the most significant correlation between LOTCA on FIM at discharge. Motor FIM with perception and visuomotor organization, and cognitive FIM with perception showed significance. 3. The relationship between each subtest of FIM and each subtest of LOTCA. self-care was significantly correlated with visuomotor organization and perception. sphincter control was significantly correlated with orientation and perception, mobility and locomotion was significantly correlated with orientation and visuomotor organization, communication was significantly correlated with perception, social cognition was significantly correlated with perception and thinking operation. LOTCA is significantly correlated to FIM at discharge. Therefore, LOTCA can predict the ADL performance skills. Also, orientation and perception are the most predictable area of LOTCA throughout the entire subtests.
트랙터-트레일러 시스템 운동 시뮬레이션을 위한 수학적 모델의 개발
박금주,최주호 順天大學校 農業科學硏究所 1991 農業科學硏究 Vol.5 No.-
A mathematical model for simulation of motion of tractor-trailer system was developed. This model has 11 degrees of freedom and can predict quantitatively the motion characteristics of tractor-trailer system which travels on inclined road under various operating conditions.
박금주,류관희,정창주,김경욱,유수남,Park, K.J.,Ryu, K.H.,Chung, C.J.,Kim, K.U.,Yoo, S.N. 한국농업기계학회 1988 바이오시스템공학 Vol.13 No.2
A scale model of power tiller-trailer system with the same kinematic characteristics was constructed one eighth of the actual size to validate the effectiveness of mathematical model of motion. The parameters for the scale model of power tiller-trailer system were measured by a series of laboratory experiments. Validation tests for the: scale model was conducted under several ground and operating conditions. The tests were performed on artificial ground surfaces with several kind, of slope and obstacle. The travel path of the scale model was photographed successively in three directions. The travel paths obtained from both the film analysis and the simulation model appeared to be consistent with each other. It was concluded that the simulation model could be used to predict the motion of actual power tiller-trailer system if the parameters for actual power tiller and trailer are provided.
db/db 마우스에서 상엽, 귀전우, 인삼 복합처방의 항당뇨 활성
박금주,한은정,최윤숙,한기철,박종석,정성현 한국생약학회 2007 생약학회지 Vol.38 No.1
2 diabetes mellitus relavant to insulin resistance is a chronic and hard to control. In order to develop an antidi-Euonymi LignumSuberalatum and Ginseng Radix (MEG) was investigated in db/db mice. Treatment group was administered orally with MEGformula at a dose of 300 mg/kg for 5 weeks, and blood glucose, insulin and lipid levels were determined. MEG treatment groupshowed a marked decrease in fasting blood glucose level and insulin resistance index (IRI) compared to those in diabetic con-trol. Improvement of insulin resistance (60.6%) was indicative of reducing lipid levels in plasma and triglyceride contents inmuscle and adipose tissue. In addition, expressions of an insulin responsive gene, glucose transporter 4 (Glut4), in muscle andadipose tissue were upregulated in MEG treatment group. Compared islet morphology between groups, MEG formula pre-vented the β-cell destruction caused by high blood glucose. Taken together, MEG formula can act as an anti-hyperglycemicagent with insulin sensitizing efect, and thus deserves a clinical trial in the future.Key words glucose transporter 4
박금주,이상욱 대한방사선종양학회 2018 Radiation Oncology Journal Vol.36 No.4
Purpose: This study aimed to evaluate the long-term survival outcomes and prognostic factors that affect the clinical outcomes of patients who underwent surgery and postoperative radiotherapy for major salivary gland mucoepidermoid carcinoma (MEC). Materials and Methods: We retrospectively reviewed the clinical data of 44 patients who underwent surgery followed by radiotherapy for primary MEC of the major salivary glands between 1991 and 2014. The median follow-up period was 9.8 years (range, 0.8 to 23.8 years). Results: The overall outcomes at 5 and 10 years were 81.5% and 78.0% for overall survival (OS), 86.2% and 83.4% for diseasefree survival, 90.6% and 87.6% for locoregional recurrence-free survival, and both 90.5% for distant metastasis-free survival (DMFS). Histologic grade was the only independent predictor of OS (low vs. intermediate vs. high; hazard ratio = 3.699; p = 0.041) in multivariate analysis. A poorer survival was observed among patients with high-grade tumors compared with those with non-highgrade tumors (5-year OS, 37.5% vs. 91.7%, p < 0.001; 5-year DMFS, 46.9% vs. 100%, p < 0.001). Conclusion: Surgery and postoperative radiotherapy resulted in excellent survival outcomes for patients with major salivary gland MEC. However, high-grade tumors contributed to poor DMFS and OS. Additional aggressive strategies for improving survival outcomes should be developed for high-grade MEC.