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윤병희 慶尙大學校 1990 論文集 Vol.29 No.1
The psychological reality of the child's mind is constructed with the age and extended to adult without any fundamental change. The psychological reality is catched by the studies from J.Piaget's genetic approach for the intelligence which is the main concept in child's cognitive psychology and from the information processing approach. From the former view point, child's psychological reality is identified to have a inner structure of 'the logic of wholes' for conservation, which is different with 'the logic of totality' for transformation, and is the world of experiencing and understanding by way of action schema, not being the explicative world by way of operative schema. 'The logic of wholes' is of conservation of the whole systems of groupings, from which subsystems are differentiated and the conservation is of the invariant of the wholes. And the logic of wholes is free from the subject's view points and the perceptual deformations of objects by the coordination of assimilatory schema and that of subject's view point. Psychological reality is based on the assimilatory scheme, concept, and propositions and governed by the mobile equilibration which is different with progressive regulation and which is of the operations of negation and reciprocity respective, but not of the combined operation of negation and reciprocity.
모방과 실재 Ⅰ : Platon철학과 그의 예술이론 Plato's Philosophy and his asthetic theory
윤병태 연세대학교 인문과학연구소 1998 人文科學 Vol.79 No.-
Diese Arbeit ist eine Einleitung in die A¨sthetik Platons, die gewo¨hnlich die Mimesistheorie genannt wird. Aber diese Einleitung versucht nicht nur seine a¨sthetischen Gundsa¨tze im engeren Sinne tief zu analysien, sondern seine philosophische mataphysische Grundposition zu verdeutlichen. Platons A¨sthetik stammt aus dem Begriffes 'Idee', welche einerseits das Wesen von Sein und Denken, andererseits die Realita¨t von Erscheinen und Vorstellen ausmacht. In diesem Sinne ist die Miemesistheorie Platons eigentlich ein Resultat oder ein Nebenprodukt seiner Ideenlehre. Damit konzentriert der Verfasser seine Aufmerksamkeit auf die folgende Probleme: Was ist die Wahrheit und wie ist im Denken rekonstruiert? Was fu¨r eine Struktur hat die Idee des ho¨chsten Guten und des scho¨nsten Scho¨nen? Auf welcher Weise beziehen sich die Ideen von Guten, Wahren und Scho¨nen? Warum ist die Kunst ausnahmslos eine Nachahmung (mimesis)?
일부 大學敎授와 敎職員의 心血關係疾患 危險要因 및 健康行態에 關한 硏究
윤의성,천병철,박미숙,김순덕,염용태 고려대학교 의과대학 1997 고려대 의대 잡지 Vol.34 No.3
We reviewed the health screening record(1996) of a university to compare cardiovascular risk factors and major health behavior of teaching staffs with those of other staffs. The reviewed cardiovascular risk factors were body mass index (BMI), blood pressure (BP), total cholesterol (TCH) and fasting blood sugar (FBS). Smoking, drinking, exercise and diet habits were cheked as major risk factors. We defined the obesty (BMI>25), hypertension (systolic BP 140 or diastolic BP 90 mmHg), hypercholesterolemia (TCH 230mg/dl), and hyperglucosemia (FBS 110mg/dl) , drinking group (alcohol intake 3-4 times a week and over 1 bottle of soju a time), smoking group (smoking over 10 cigarettes a day), non-exercising group(do excercise below 3-4 times a week, and below 30 min a times), unbalanced diet group(do favor salty and spicy food or do favor flesh food). The 1,341(81.7%) of 1,640 staffs were screened in 1996, the teaching staffs were 614(69.3% of 886 teaching staffs) and other staffs (mainly clerks and administrators) were 737(97.7% of 754). 41 (6.7%) of teaching staffs were female and 166(22.4%) of the other staffs were. Among the teaching staffs, there were no below age 30 but 11.5% of them were over 60; in case of the other staffs 11.3% and 2.0% were in each age group. We divided the teaching staffs into medical staffs and non-medical staffs and compare the risk factors of each group. The total number of screened medical staffs were 92(36.2%) of 254, and non-medical staffs were 522 (82.6%) of 632. The results were follows; 1) The frequency of hypertension of each group were significantly different (7.2% in teaching staff, 11.8% in other staffs) after adjusting sex, age, smoking, drinking, exercise, and diet habits by multiple logistic regression (p<0.001). Hyperglucosemia were founded 10.5% and 12.4% in each staffs and the difference were significant after adjusting age, sex and health habits(p=0.005). Teaching staffs had more hypercholesterolemic persons than other staffs(24.3%, 16.3% in each staffs, p=0.019). Obesity frequency was not significantly different. 2) The number of drinking group were 114(18.6%), 208(28.3%) in each staffs, and this difference were significantly different (CMH=38.295, p=0.001). The number of smoker were 140(22.8%) and 274(37.2%) (CMH=58.109, p=0.001). The frequency of non-exercising group and the frequency of unbalanced diet group were not significantly different. 3) The frequency of obesity were 39.1% and 30.9% in each medical and non-medical staffs (CMH=4.414, p=0.036), but this difference remains non-significant after adjusting by the health habits. The frequency of hyperglucosemia of medical staffs (17.4%) were significantly higher than non-medical staffs (9.2%) after adjusting age, sex and the health habits (p=0.0005). Other risk factors were not significantly different. 4) Medical staffs had more smoker(29.4%) than non-medical staffs(21.5%) (CMH=6.401, p=0.011) and more non-exercising persons (27.2%) then non-medical staffs(11.1%) (CMH=12.446, p=0.001). Other health behaviors are not significantly different.
셀 제조시스템에 있어서 비유사도를 이용한 기계셀과 부품그룹의 동시형성방법
윤창원,정병희,김민규 崇實大學校 生産技術硏究所 1994 論文集 Vol.24 No.-
The success of cell manufacturing applications in FMS rests on the effective cell formation to maintain the independent relations both between machine cells and between part families. This paper presents an integrated method for concurrent formation of cells and families with no E.E(Exceptional Element) in FMS with alternative routings. To determine the maximum number of cell and family with no E.E, mathematical conditions and theorems are derived. New concept of nonsimilarity is introduced for each machine and part based on machine-operation incidence matrix and part-operation incidence matrix. To concurrently form the cells and families, integer programming based mathematical models are developed. For the predetermined number of cell or family, model 1 is used to identify whether E.E exists or not. Model 2 forms cells and families considering only nonsimilarity. But model 3 can consider nonsimilarity and processing times. The proposed method is tested and proved using numerical examples.
윤병도,정태경,황선진 중앙대학교 기술과학연구소 1989 기술과학연구소 논문집 Vol.19 No.-
In recent, due to the advanced development of the power semiconductor devices, the digital simulation becomes essential in order to investigate the behavior of the sytem before the manufacturing of the system by using computer for design and analysis of power electronic systems. This paper develops the program, so-called PECA, which can be applied for the power electronic circuits composing of power transistors, thyristers, GTO's and power FET, etc.. Also, the method of using computers for the analysis of power electronic circuits is considered. Finally, we consider both transistor DC chopper circuit and thyristor bridge circuit and prove the effectiveness of the program by both the experiment and simulation.
J.Piaget의 발생적 견지에서의 思考의 구조와 정보처리 접근에서의 지식의 구조에 대하여
윤병희 慶尙大學校 1988 論文集 Vol.27 No.2
According to Piaget's genetie view point of epistemology, the struture of knowledge is directly related with the structure of thought. And The logical thought develope from response-schema and logical implication develope from assimilation on the level of sensory-motor intelligence. The knowledge is active construction based on a assimilatiory schmata.And then the stracture of knowledge must structure of a logic of whole and construct the psycholigical reality. According to him. psychological reality is a world of experiened necessity and comprehension but the world of formal logic is that of pure thought accompanied by a feeling of logical necesity and is possible to explain. So, Psychologial reality and the world of pure thought must be discerned. But according to information processing approach they are not discened and are studied without any developmental relations of them. I hope that Piaget's view will give some suggestions to the studies from information processing approach.
돼지에서 정맥, 근육 그리고 경구 투여시의 enrofloxacin의 약물동태학
윤효인,김무열,박승춘,조준형,박병권,이내경,노상석,장범수,신광순,조명행 충남대학교 수의과대학 동물의과학연구소 1996 動物醫科學硏究誌 Vol.4 No.-
In order to characterize pharmacokinetic profiles according to route of a new enrofloxacin salt form (Enrotil®), it was given to 4 healthy pigs via oral (p.o.), intramuscular (i.m.) or intravenous (i.v.) administrations at a dose rate of 5 ㎎/㎏ body weight. Enrofloxacin (ENFX) in serum was detected by bioassay using E. coli BE1186 as a test organism. The biological elimination half-lives (t_1/2(β)) of ENFX were 6.76±0.99 h (i.v.), 7.16±2.30 h (i.m.) and 11.45±3.90 h (p.o.), Volume of distribution (Vd) of enrofloxacin was 2.20±0.31 L/㎏ (i.v.), 2.52±0.60 L/㎏ (i.m.) and 1.88±0.33 L/㎏ (i.m.). Mean residence time (MRT) was 8.77±1.26 h after i.v. injection and the maximal concentration time (Tmax) following p.o. and i.m. administration was 0.76±0.09 h and 0.60±0.12 h, indicating a rapid absorption from these routes. Bioavailibility (F) was calculated as 64.1% for p.o. administration and 59.71% for i.m. injections. In summary, the newly formulated enrofloxacin salt form has shown a high water solubility, rapid absorption and large tissue distribution, suggesting a potential antibacterials for oral application on a large scale in veterinary sectors.
윤민성,이상민,양병호 대한치과교정학회 2010 대한치과교정학회지 Vol.40 No.2
전단결합강도를 강화하기 위해 레이저를 이용한 부식과 산을 이용한 부식의 비교 연구가 많이 진행되어왔다. 본 연구에서는 Er,Cr:YSGG laser와 전통적인 산부식법을 혼합한 방법의 전단결합강도의 변화에 대한 평가를 하고자 한다. 교정적인 목적으로 발치된 64개의 건전한 소구치를 이용하여 16개씩 4개의 군으로 나누었다. 첫 번째 군은 37% 인산을 15초 적용시키는 전통적인 부식 방법을 택하였고, 두 번째 군은 물방울레이저로 1.5 W로 10초간 부식시킨 후 전통적인 산부식 방법을 시행하였다. 세 번째 군은 두 번째 군과 같지만 산부식을 먼저 시행한 후 물방울레이저로 부식시켰다. 네 번째 군은 물방울레이저를 이용하여 1.5 W로 15초간 부식시켰다. 이후 전단결합강도의 측정 및 치아 표면의 특징 관찰, 그리고 접착제잔류지수를 평가하였다. 두 번째, 세 번째 군은 첫 번째, 네 번째 군에 대하여 전단결합강도가 높게 측정되었다. 하지만 두 가지 기법의 복합사용 순서를 달리한 두 번째, 세 번째 군 사이에는 통계적으로 유의한 차이가 나지 않았다. 기존 산부식을 이용한 브라켓 접착법보다 산부식과 Er,Cr:YSGG laser를 복합적으로 사용 시, 향상된 전단결합강도를 얻을 수 있다. Objective: Many studies have carried out research on comparisons between laser etching and conventional etching systems to investigate methods of reinforcing shear bond strength. The purposes of this study were to assess the efficiency of bonding with erbium, chromium doped: yttrium-scandium-gallium-garnet (Er,Cr:YSGG) laser etching combined with the conventional etching technique. Methods: Sixty-four sound premolars, extracted for orthodontic purposes, were randomly divided into 4 groups and treated in the following manner. First group, conventional etching of 37% phosphoric acid for 15 seconds (control); second group, 1.5 W laser etching for 10 seconds followed by conventional etching; third group, conventional etching followed by 1.5 W laser etching; fourth group, 1.5 W laser etching for 15 seconds only. We assessed the shear bond strength, the surface characteristics, and the adhesive remnant index scores between all groups. Results: Experimental groups showed higher shear bond strength than the control group. But no statistically significant differences were found between the second and third groups. Adhesive remnant scores were compared with the Kruskal-Wallis test, and no statistically significant differences were found between all groups. Conclusions: To obtain maximum shear bonding strength, a combined technique of Er,Cr:YSGG and 37% phosphoric acid is useful even though it may be inconvenient.
중부지방의 난대성 수종 기후 적응도 분석 : 세종특별자치시 수산리 배재대학교 수목실습장을 대상으로
서병기, 안영직, 이윤구 배재대학교 자연과학연구소 2018 自然科學論文集 Vol.29 No.1
This study was carried out to monitor the growth of warm-temperate species that are planted in the Sejong practice field of Pai Chai university and evaluated the degree of adaptation of the species in the midlands. Trees less than two years were sampled and investigated for the analysis of the climatic characteristics of the practice field. Also, this survey identified the growth characteristics and climate adaptation of warm-temperate woody species. This general forests, unlike significance in terms of the experiment excludes the pressure of the outside within the same conditions were limited to the temporal scope only the initial growth characteristics of the short forested study period. In the future study, the continuous survival rate, investigation and analysis of the physico-chemical resistance in various aspects of soil analysis should be need to look at the trends and characteristics of the additional growth. 본 연구는 세종특별자치시 수산리 배재대학교 수목실습장에 식재한 난대성 수종의 생장량을 측정하여 중부지방의 적응정도를 파악하고자 하였다. 배재대학교 수목실습장의 기후특성 분석을 통해서 수목의 생장량과의 연관성을 파악하였다. 배재대학교 세종 수목실습장에 식재한 수목을 종별로 표본추출하여 생장량을 측정하였다. 중부내륙지방에 식재한 난대성 2년 미만의 수령에 해당하는 수종의 생장특성 및 기후적응여부를 조사하였다. 연구기간이 짧아 수목의 초기 생장특성만을 시간적 범위로 한정하였다. 수목의 적응여부를 살펴보기 위한 과정으로 생장량과 고사율만을 살펴보았다는 데서 한계점이 있어 차후 연구에서는 지속적인 예찰을 통해 추가적인 생장특성의 변화추이를 살펴보고, 토양의 이화학성 분석 등 다양한 관점에서의 조사가 이루어져야 할 것이다.