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김영환 연세대학교 대학원 1985 延世論叢 Vol.21 No.3
Abstract The purpose of this paper was to investigate the aesthetic possibility of sport. In order to do so, first, such terms as art, aesthetics, play, game, sport and physical education were defined. Secondly, similarities between art and sport were studied. In art, expression, form and styles were more stressed than competition. In this sense such sports as figure skating, synchronized swimming and divines have more artistic qualities than other sports. However, when art emphasizes experience and emotional feeling that players or spectators come to have as John Dewey argued, suck competitive shorts as soccer, basketball and rugby can be thought of as art. Finally, so-called "peak experience" or "aesthetic moment" in sports were disscussed. During peak experience, subject and object can become one entity and such experience can he experienced in art as well as in sports.
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金榮煥,兪涓培 高麗大學校 倂設 保健大學 保健科學硏究所 1975 保健科學論集 Vol.6 No.1
From the view point of public health, food sanitation administration for the food premises is of great importance. The authors intended to study the administrational status for the licensed food premises in Korea during the period of 1970-1974. The following summaries are of significances. 1) The number of the licensed food premises increased annually. The increasing rate of the food premises and the food manufacturing factories represented represented 21.9% and 18.9% each. 2) The rate of sanitary inspection and violation for the food premises showed 495.0% and 21.2% each. The other hand, the rate of examination of the manufactured food and unfit for the manufacturing factories showed 73.7% and 5.3%. 3) The ranking rate of sanitary inspection by regional group represented Choongchong Nam Do (683.9%). Seoul City in the lowest rate (329.0%). The rate of rioiation for Cholla Nam Do was top (41. 5%) and for Pusan City low (11.7%). The rate of examination for manufactured food was highest in Kyongsang Nam Do (16.8%) and lowest in Chejoo Do(39.2%). The ranking rate of unfit was in Seoul City (11.9%) and the lowest rank in Kyongsang Fook Do (3.4%). 4) There was no increasing or decreasing trend on the administrational measures by year. 5) On the administrational measures by regional group, Cholla Nam Do indicated maximum :rate (44.1%) and Seoul City was minimum rate (2.3%). The rate of administrational measure for the food premises and food manufacturing factories represented 99.3% and 0.3% each. The order by administrational measure indicated improvement facilities (45.0%), warning (27.1%), license suspended (16.7%), license canceled(8.7%) and prosecution (1.2%),
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SiC 휘스커 보강 Al 복합재료의 미세조직과 기계적 특성에 관한 연구
김영환,이두영,이성학,김낙준 대한금속재료학회(대한금속학회) 1990 대한금속·재료학회지 Vol.28 No.7
This study aims at establishing the correlation of microstructure and mechanical properties of 2124-T6 Al composites reinforced with 7, 15, 20 v/o SiC whiskers. Tensile tests along with Charpy impact tests were conducted over the test temperature range from -196℃ to 100℃. Notched round tensile tests and subsequent metallographic observations as well as in-situ SEM observation of crack opening processes were performed for the purpose of identifying the micro-mechanical processes involved in void initiation. The experimental results indicated that the impact energy was found to increase monotonically with decreasing the amount of SiC whiskers and with inceasing the test temperature. Microvoids were observed to nucleate at the interface between the aluminum matrix and SiC whikskers, confirming that the formation of voids at the interfaces is the main metallurgical factor which contributes to the reduction of fracture toughness. In addition, the Mn-containing intermetallic particles strongly affect the fracture processes in these composites.
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金永煥,金萬義 慶北大學校 體育科學硏究所 1991 체육과학연구지 Vol.7 No.-
We gained the results like next, according to the analysis and measurement of records on Triple Jump, in male 391, from 1980∼1989(for 10 years) (1) We gained the distribution chart like figure 3 and also we gained the average value like figure 4 (2) We gained a new standard value of evaluation Triple Jump like figure 6 (3) As we know in figure 7, In the result of comparision between old and new standard values, We can gain following, a) On the score of 70∼95, the level of new standard is high and on the score of 60, 65, 100 points it shows for the record to decrease. (4) From 1992 season, We decided to apply this new standard value.
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김영환 釜山大學校生産技術硏究所 1999 生産技術硏究所論文集 Vol.56 No.-
높은 반응성을 가지는 Al-Ni-Y(또는 Ce)합금을 60°각도의 날카로운 edge를 가지는 구리휠을 사용하여 용탕추출법(melt extration)에 의해 연속적인 비정질 와이어를 제조할 수 있었다. 와이어는 원형 단면을 가지고 지름이 35∼50㎛범위였다. 와이어의 열적 성질은 멜트스피닝법으로 제조딘 두께 15㎛인 리본재와 거의 같앗다. 그리고 연성도 우수하고 1020MPa의 커다란 인장강도가 비정질 Al86Nil0Y4합금와이어에서 얻어졌다. 리본재에 비해서 본 제조기술이 높으 응고속도를 가지는 것이 밝혀졌는데, 이것은 체적에 비해서 훨씬 큰 표면적을 가짐으로써 아르곤 가스 분위기하에서 쉽게 과냉이 되기 때문이라고 생각된다. The application of a melt extraction method using a copper wheel with a steep edge to Al-Ni-Y(or Ce) alloys with highly reactive molten states was found to cause the formation of continuous amorphous wire. The wires have circular cross section and the diameters are in the range of 35 to 50㎛. The thermal property of the wire is nearly the same as that of the melt-spun ribbon with the 15㎛ thick. and same composition. The wires have good bending ductility and a tensile strength of 1020 MPa. The high cooling rate for the present pocess is accomplished presumably because the supercooled liquid with a small volume and a large outer area to volume ratio is solidified homogeneously without contact of other substances. The combination of the solidification process with high cooling rate and the good bending ductility into the wire shape allows us to expect that the present process develops as an alternative method to produce amorphous ally wires in various kinds of alloy systems including reactive elements as main components.
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