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최규홍 한국국어교육학회 2021 새국어교육 Vol.- No.128
Purpose: The purpose of this study is to examine various methods when designing elementary Korean language subject convergence classes and apply them to actual classes. Methods: Curriculum convergence classes were divided into convergence with no boundaries of subjects, convergence in which each subject maintains its unique characteristics, and convergence methods for each type of subject were presented. Results: Convergence, which eliminates the boundaries of subjects, can be subdivided into competency-based convergence and function-based convergence, and convergence, in which each subject maintains its unique characteristics, can be divided into topic-based convergence and concept-oriented convergence. In addition, the convergence in which each subject is linked can be divided into sanctions-oriented convergence and situation-oriented convergence. Conclusion: Various aspects of the curriculum convergence class were divided into six categories and examined. If Korean language classes are designed based on this, diversity in Korean language classes in elementary schools will be secured. 목적: 이 연구는 초등 국어과 교과 융합 수업을 설계할 때의 다양한 방법을 살펴보고, 실제 수업에 적용하는 데 그 목적이 있다. 방법: 교과 융합 수업을 교과의 경계가 없어지는 융합, 각 교과가 고유한 특성을 유지하는 융합, 각 교과가 연계되는 융합 형태로 나누고 각 형태별 교과 융합 수업 방법을 제시하였다. 결과: 교과의 경계가 없어지는 융합은 역량 중심 융합, 기능 중심 융합으로 세분할 수 있고, 각 교과가 고유한 특성을 유지하는 융합은 주제 중심 융합과 개념 중심 융합으로 구분할 수 있다. 또한 각 교과가 연계되는 융합은 제재 중심 융합과 상황 중심 융합으로 나눌 수 있다. 결론: 교과 융합 수업의 다양한 모습을 6가지로 나누어 살펴보았다. 이를 바탕으로 국어 수업을 설계할 경우 초등학교 국어 수업은 다양성을 확보하게 될 것이다.
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崔圭洪 建國大學校附設農業資源開發硏究所 1988 農資源開發論集 Vol.13 No.-
Suction rete, discharge rate, overflow rate, power requirement, pump efficiency, and volume efficiency were measured for the performance comparison of plunger type and piston type. And to investigate the factors affecting to transportability of the maximum reaching distance, the distance of most dense point, and the pressure drop were measured in accordance with the different hose length, and the different pressure levels of power sprayer using 3 hole swath type nozzle. The results are summarzied as follows; 1. Suction rate and volume efficiency were uniformed in proportion to pressure increased in plunger type and piston type. 2. Discharge rate, power requirement, and pump efficiency increased in proportion to pressure increased in plunger type and piston type, but overflow rate decresed. 3. In the compare piston type with plunger type, Suction rate, discharge rate, and overflow rate were high a little, but power requirement was low much. And then piston type better than plunger type about 20% and over. 4. The distance of the most dense point from the nozzle was shortened by 0.5m in 200m-long hose compare with 40m-long hose. The maximum reaching distance was reduced by 2m and the effective distance was reduced by 0.5m. It can not be extended beyond 11m in the effective distance, and 13m in the maximum reaching distance even if the length of hose is minimized at the rated pressure 28Kg/㎠. 5. The pressure drop in 200m-long hose was 10~14Kg/㎠ at the pressure range of 25~40Kg/㎠, and it ws an equivalent of 2% per 10m length of hose.
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崔圭洪,李哲周 건국대학교 1968 學術誌 Vol.9 No.1
① The aim of this study is on the supply of harvester which has selected as the most suitable one to farm condition after reformation and also on the comparative experiments of efficiency of man power and engine power harvester. ② The results of this study shows that the man power harvester ha94 times of sickle and that of engine power harvester has 7 times, and it also shows the man power harvester is not suitable for wheat cutting. ③ The man power pulling harvester is the most effective one for rice harvesting farm condition for substituting with sickle. ④ It is the urgent problem in the future that a study of harvester with binder which also might be used for wheat harvesting and the study of the new harvester as a attachment of power tiller.
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정지 통신 위성의 궤도에 대한 궤도요소의 진화 II -남북 방향의 궤도 보존-
최규홍,박재우,김경미 한국우주과학회 1987 Journal of Astronomy and Space Sciences Vol.4 No.1
For a geostationary satellite north-south keeping maneuver must control the inclination elements. The effects on the orbit plane of maneuvers and natural perturbations may be represented by a plane plot of Wc versus, Ws, since these inclination elements represent the projection of the major axis and the inclination elements are obtained.
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정지통신위성의 궤도에 대한 궤도요소의 진화 I -동서 방향의 궤도 보존-
최규홍,박재우,이병선,조중현,이용삼 한국우주과학회 1986 Journal of Astronomy and Space Sciences Vol.3 No.2
For a geostationary satellite east-west station keeping maneuvers must control both the mean longitude and the orbit eccentricity simultaneously. The effect on the orbit eccentricity of maneuvers may be reprensented by a phse plane of $e_{c}$ verse $e_{s}$, since these eccentricity elements give the projection of the orbit center onto the equatorial plane in units of the semimajor axis. The evolution of the mean longitude and the orbit eccentricity are obtained. 정지통신위성을 동서방향으로 궤도 조정을 하기 위해서는 평균경도와 궤도의 이심률에 관해서 동시에 조정하여야 한다. 궤도이심률의 효과는 궤도중심방향의 $e_{c}$ 과 $e_{s}$의 위상면상에서 표시되어야 한다. 평균경도와 궤도이심률에 대한 진화도 얻었다.
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최규홍 한국농공학회 1973 한국농공학회논문집 Vol.15 No.1
For the efficient utilization of farm machines on the inclined uqland, work performance in plowing, harrowing and terracing and critical workable gradients were tested on three farm machines which are 47 ps-farm tractor, 8 ps-power tiller and 5 ps-power tiller. The results of this study are summarized as follows; 1) The steeper the slope of the upland was the more inefficient the work performance of all machines was. 2) The critical workable gradients of the machines were proved as 14 for 47 ps-farm tractor, 12 for 8 ps-power tiller and 10 for 5ps-power tiller. 3) Plowing in the way of turning the furrow slices against the slope in order to build up terraces, the critical workable gradients were 8 for 47 ps-farm tractor and 8 ps-power tiller and 6 for 5 ps-power tiller. 4) Two-way plow is recommended for plowing with farm tractor on inclined upland, and high lug of tire would be good to prevent the slippage, and side valance-weight should be attached to power tiller for preventing its overturning.
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정지위성 궤도의 평균 궤도 요소 - II -궤도 경사각, 승교점 경도, 위성 경도-
최규홍,박종옥,문인상,배성구 한국우주과학회 1990 Journal of Astronomy and Space Sciences Vol.7 No.1
점융궤도 요소는 평균 궤도 요소, 영년 섭동, 단주기, 장주기항이 포함되어 있다. 접융궤도 요소로부터 평균 궤도 요소로 변환시키는 알고리즘을 기술하였고, 평균 궤도 요소 $W_c,\;W_s$, L도 얻었다. The osculating orbital elements include the mean, secular, long period, and short period terms. The iterative algorithm used for conversion of osculating orbital elements to mean orbital elements is described. The mean orbital elements of $W_c,\;W_s$, and L are obtained.
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