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조치룡 國立 昌原大學校 産業技術硏究所 1993 産技硏論文集 Vol.7 No.-
Linear short fibers are added between laminae in a composite laminate to improve the interlaminar fracture toughness. The interlaminar fracture resistance is determined in terms of fracture energy utilizing the generalized locus method which can evaluate the fracture energy even in highly non-linear materials. The fracture energy of the short fiber reinforced specimens is increased about 20%. From the fracture surface study, it is show that the short fibers added at the interface disturb the progress of the fiber branching between the laminae during the fracture. This interruption behavior of the short fiber is thought to be the main cause of the improvement of the fracture energy.
여가활동으로서의 스포츠활동 참여와 스포츠활동 만족, 직무만족 및 생활만족의 공변량 구조분석
김치조 師範大學 體育硏究所 1993 서울大學校 體育硏究所論集 Vol.14 No.2
On the basis of literature and empirical studies on relationships of participation in sport as leisure to satisfaction with sport, job satisfaction and life satisfaction, a model of theoretical constructs was established. The empirical data were collected from 219 men and women workers in K industrial estate of city by the way of cluster random sampling. This data were analyzed by the covariance structure method using PC-LISREL Ⅵ. This structural model had a exogenous variable (participation in sport), three endogenous variables (satisfaction with sport, job satisfaction and life satisfaction) and six proposed models concerning them. Although x²was significantly large (p<.05), x²/df (2.05), goodness of fit index(.955), adjusted goodness of fit index (.915), and root mean square residual (.356) showed that this model was fit to the collected empirical data. Accordingly, this model was determined fit and significant without modifying it. The measurement model, and factor loadings and measurement errors of measured variables were presented and found statistically fit. Among six proposed-models, five ones were found statistically significant. Therefore, the conclusions of this study were as follows. First, the structural model established in this study and the measurement model on measured variables of exogenous and endogenous variables were fit to the empirical data obtained for this study. Second, the more participation in sport was, the more job satisfaction and life satisfaction were. Third, the more satisfaction to sport was, the more job satisfaction and life satisfaction were. Fourth, the more job satisfaction was, the more life satisfaction was.
문치빈,박수연,박철빈 경희대학교 체육과학연구소 1997 體育學論文集 Vol.25 No.-
It has reached the results as follows to measure the isometric muscle power on 42 ballet-major women college students and 42 general college women inorder to find the isometric muscle power of the ballet-major students. 1)The peak torque of the average femoral flexors of ballot-maior women college students was found to be 37.7±7.70 in 60°·S-1 of angular velocity. to be 30.29±6.52 in 180˚·S-1, and 23.39±8.06 in 300˚·S-1. In the case of the femoral extensors, the one was shown to be 71.86±9.44 in 60˚·S-1. to be 78.29± 10.44 in 180˚·S-1. and 39.86±8.78 in 300˚·S-1. 2)For general women-college student, the peak torque of the avcrage frmoral flexorswas found to be 38.1±6.31 in 60˚·S-1 of angular velocity, to be 28.00±5.51 in 780˚·S-1. and 21.86±5.43 in 300˚·S-1. high-speed angular velocity, The femoral extensors was 78.29± 10.44 in 60˚·S-1, to be 51.14±7.97 in 180˚·S-1, and 36.86±8.78 in 300˚·S-1. 3)The meaningfulness on the isometric femoral flexors of 60˚·S-1 (P>0.64), 180˚·S-1 (P>0.69), and 300˚·S-1(P>0.36), and In the femoral extensors. the one was 60˚·S-1(P>0.0.81). 180˚·S-1(P>0.49). and 300˚·S-1(P>0.61). there was no statistical meaningfulness, either. 4)In connection will % body weight, the peak torque of the isometric femoral flexors of ballet-major women college students was found to be 34.29±7.13 in 60˚·S-1 of angular velocity, to be 27.47±6.37 in 180˚·S-1, and 21.14±7.84 in 300˚·S-1, while in the femoral extensors 60˚·S-1 of angular velocity was 65.57±9.95, 180˚·S-1 was 42.29±7.97, and 36.86±8.78 300˚·S-1. 5)The femoral flexors of % peak torque of general women college students was found to be 33.57±3.87 in 60˚·S-1 of angular velocity, 24.71±4.07 in 170˚·S-1, and 19.14±4.81 in 300˚·S-1. The femoral extensors resulted in 69.71±7.25 in 60˚·S-1,45.29±6.05 in 180˚·S-1, and 35.14±7.27 in 300˚·S-1. 6)In connection with % body weight, the statistical meaningfulness of the isometric femoral flexors was found to be 60˚·S-1 of angular velocity(P>0.16). 180˚·S-1 (P>0.29), 300˚·S-1(P>0.25), and there was no it. The femoral extensors was 60˚·S-1 of angular velocity(P>0.47), 180˚·S-1 (P>0.97). and 300˚·S-1 (P>0.80), there was no statistical meaningfulness, either. 7)In case ballet-major women college students. the ratio between the femoral flexors and extensors showed 50% of range in 60˚·S-1. 61% in 180˚·S-1 and 66% in 300˚·S-1, while in case of general college women it showed 49% in 60˚·S-1.55% in 180˚·S-1 and 55% in 300˚·S-1.
鄭此炘 全南大學校 農漁村開發硏究所 1965 農業科學技術硏究 Vol.3 No.-
In fermented mash which was used rice and sweet potato as source material, the contents of alcohol, total sugar, total organic acids were analyzed and the results are summarized as follow. 1). Rice-fermented mash having higher starch content(81%) was more on the average 4% in alcohol fermentation than sweet potato-fermented mash having lower starch content(21%). 2). Total sugar content of sweet potato-fermented mash was more on the average 21% than rice-fermented mash because of the larger amount of the non-reducing sugar which can't be used in alcohol fermentation. 3). In sweet potato-fermented mash, the total content of the organic acids was on the average 1.1% more than rice-fermented mash because of the larger amounts of acid-forming materials. 4). From above results. It was not probitable to make fermented mash from sweet potatos and it is thought that it should be made from pure sweet potato starch.
플라이애쉬를 혼합한 경량모르터의 재령특성에 관한 실험적 연구
서치호 건국대학교 산업기술연구원 1999 건국기술연구논문지 Vol.24 No.-
In this study, to utilize domestic fly-ash of bituminous briquette order, on the basis of the elementary experiment value, early strength and long term strength of high performance lightweight mortar was experimented by comparison method. The results are as follows : 1. As a result of mix proportion change as 1:1, 1:2 and 1:3, it showed better result than the case that fly-ash is not inputted, in long term strength. 2. If fly-ash is used as a admixture of mortar and concrete, early strength gain is difficult, but in case of mix proportion control which amount of fine aggregate is decreased and same amount of unit cement content is inputted, improvement of early strength and long term age strength is shown in compressive strength appraisement by age. 3. As a result of long term strength gain improvement and fly-ash is substituted for 3types by grade classification method, the best strength ratio is appeared in type 1.
企業公開論 : 5·29措置를 中心으로 relative to the 5·29 executive measures in particular
金址郁 건국대학교 1974 敎授論壇 Vol.3 No.1
In view of the fact that the corporations of our country are .now being compeled to disclose themselves to the public, the writer tried to define the meaning of disclosure of corporations as being disclosure of accounts along with dispersing or disclosing their stocks to the public. I emphasized that the disclosure of accounts would contribute to protecting the interested parties around the corporations and simultaneously expediting the rationalization of management through the introduction of external audit system. On the other hand, I suggested that through dispersing the stocks of close corporations to the general inventors and also financing themselves directly from the stock investors instead of private money lenders, they could not only attain their object of rationalizing their management but also enlarge themselves. I urged, however, that this problem should be solves by the disclosure of accounts prior to the dispersing of stocks and that the disclosure of accounts must be done step by step and not in a hurry from the view point of Korean economic stage. As for the dispersing off stocks, I foresee that it would be achieved by the development of the stock market where stocks will be transacted smoothly under the adequate appraisals of the general investors for the stocks. Thus, I appreciate very highly the current 5.29 executive measures as being a most reasonable policy which will expedite a long stride development of Korean enterprise. However, I consider that it would he more advisable to adopt· the method of step-by-step rather than that of a hurry. By C. W. Kim