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황진성(Jin-Sung Hwang) 한국산업융합학회 2013 한국산업융합학회 논문집 Vol.16 No.1
This paper measured some condition about differential height of two points for the comparison of measure by direct method and Geodimeter and trigonometric Leveling method. The research was compared relationship between the volue to get from three measure method and five measured man. The significance of between three measure method and five measured man has been investigated by analysis of two-way ANOVA. The result indicate that between five measured man show insignficance, and between the direct method and Geodeter method show signficance and between the direct method and trigonometric Leveling method show signficance but between the Geodeter method and trigonometric Leveling method, two method show insignficant. Therefore, when using Geodemeter leveling method and trigonometric Leveling method, you must keep particular attention when former two Leveling method about instrumental error, natural error, and personal error, two Leveling method using low precision leveling.
뮤지컬 안무 전문성을 위한 뮤지컬 배우로 전향한 무용전공자의 경험에 관한 질적연구
황진성 ( Jin Sung Hwang ) 대한무용학회 2023 대한무용학회논문집 Vol.81 No.2
In the dance is merging with various fields, the purpose of this study is to explore the direction for professional development of choreography in musicals among musical actors who were majored in dance arts. For this study, 1:1 in-depth interviews were conducted with 5 musical actors majoring in dance, and the results were analyzed using a qualitative case analysis method. As a result, six major themes were derived in this study. The themes were 'a musical, a new road opened under the closure of opportunities', 'first impressions of musicals', 'falling in love with musicals', ‘the shaking of the role of dance in musicals’, 'completion of musicals through choreography', ‘preparation for the change of musical actors majoring in dance’. Based on the results of this study, alternatives that can help musical actors majoring in dance to be able to grow career in musical was suggested.
황진성(Jin-Sung Hwang),김태갑(Tae-Gap Kim) 한국산업융합학회 2013 한국산업융합학회 논문집 Vol.16 No.2
The purpose of this study is recognized the problems of parking and parking demand, supply and operation of the control etc. It is to provide an alternative for the overall parking problem. Parking problem occurs because there is not enough parking spaces. In order to solve the parking problem of Chil-gok 1 residential development district, this study propose making use of a road parking lot establishment and the school playground and the public facilities construction parking lot. But it is the methods which are short-term. A fundamental solution method is Levying garage option on car buyers. It is system to apply a law for establishing garages to all of vehicles.
황진성(Jin Sung Hwang),오재헌(Jae Heun Oh),지병윤(Byoung-Yun Ji),김판석(Pan Seog Kim),이준우(Joon Woo Lee),차두송(Du Song Cha) 충남대학교 농업과학연구소 2011 농업과학연구 Vol.38 No.4
The calorific value is the most significant factor in woody biomass utilization. We measured the calorific value by the wood parts (debarked parts and bark) and moisture content for 3 major tree species (Larix kaempferi, Pinus koraiensis, and Pinus rigida). Results showed that the calorific value decreased exponentially as the moisture content increased regardless of tree species and the wood parts. The bark had higher calorific values than woody parts (de-barked parts). In addition, Pinus koraiensis had the highest calorific values among 3 study species.
System Dynamics에 의한 도시활동의 동적 예측
황진성(Jin-Sung Hwang) 한국산업융합학회 2002 한국산업융합학회 논문집 Vol.5 No.1
The purpose of this study was to predict the future urban activities effectively and rationally. For the purpose, a simulation model, based on SD, was built by integrating economic activities, land use and traffic of a city and by dividing Daegu Metropolitan City into seven districts and one county. To identify the effect of the development of a new city in the Dalsung County area, the future population and traffic volume of the city were predicted, using the model. The results are summarized as follows. The future population according to the development of a new city in the Dalsung County area was predicted, and the effects before and after the development twenty years later were compared. The future population of the Dalsung County was found to have slightly increased, whereas that of the adjoining Dalsuh Metropolitan District was found to has slightly decreased. For the other districts, there were no changes of the future population. It was found, therefore, that the development of a new city would have no effect on other districts. Then, the traffic volume according to the development of a new city in the Dalsung County area was also predicted. It was found that in the initial stage the traffic volume would increase with the increase in population of Dalsung County. It was predicted that particularly. the traffic volume for the purpose of business would greatly increase. The traffic volume of Dalsuh Metropolitan District showed a slight decrease, whereas for the other districts, there were no changes of the traffic volume.<br/> <br/>
박진환 ( Jin Hwan Park ),지병윤 ( Byoung Yun Ji ),황진성 ( Jin Sung Hwang ),오재헌 ( Jae Heun Oh ),정도현 ( Do Hyun Jung ),차두송 ( Du Song Cha ) 한국사진지리학회 2013 한국사진지리학회지 Vol.23 No.4
Suitable forest roads allocation provides essential access for efficient management of timber resources. This study was conducted to allocate the optimal forest roads network in planning timber harvesting for the special working plan area of Mt. Maehwa in Hongcheon. A GIS-based method was developed to select the optimal forest roads network through cost path and network analysis after considering 8 forest stand and site factors. For each factor, relative importance was calculated by AHP method with the questionnaire survey in professional group. The results showed that the optimal forest road density was 27.1m/ha for the study area. In addition, when the optimal forest roads network with 200m of skidding distance was considered, the available area and timber stock, and harvestable timber volume all increased 2 times compared to those of the exisitng forest roads network. These results indicate potential use of the developed method for efficient timber harvesting.
× Populus albaglandulosa 의 수액류속도 (樹液流速度)
김정석,선순화,황진성 ( Chung Suk Kim,Soon Hwa Sun,Jin Sung Hwang ) 한국산림과학회 1978 한국산림과학회지 Vol.37 No.1
To obtain some informations for the water supply problems of ×Populus albaglandulosa, a series of experiments on the speed of sap movement in the trunk of ×P. albaglandulosa was carried out under the different tree age, soil moisture, time of day, and seasonal condition, by method of injecting of 1% Fuchsin solution. The results showed that the speed of sap movement was great in the conditions of low relative humidity, abundant leaves, and high temperature, but it was less influenced by different tree age and soil moisture.
Populus alba × glandulosa 와 그의 양친종의 (兩親種) 형태 , 해부학 , 생리학적 연구
김정석,전상근,황진성 ( Chung Suk Kim,Sang Keun Chon,Jin Sung Hwang ) 한국산림과학회 1980 한국산림과학회지 Vol.49 No.1
The morphological, anatomical and physiological traits were eximined for Populus alba X giandulosa which is an important planting species in Korea. The results obtained are as follows: 1. External characters in the leaf shape and chaff shape in the catkin were inherited as incomplete dominance but nectar gland was inherited as dominance. 2. Among the 15 selected clones, 9 clones were male, 2 clones female and 2 clones monoecious. 3. There were well-developed cork layers and bast fiber bundles in the bark. 4. Primordial leaves composed of 3 layers of cells and those undifferentiated into palisade and spongy parenchymas differed in its origin. 5. Leaf scare consisted of two kinds of tissues; one is connected to vascular bundle and the other not to vascular bundle. Tissues which had been connected to vascular bundle were isolated with only 2 or 3 layers of cork cells from the outside. 6. There was complicated arrangement in the vascular bundle of petioles. 7. Growth of the hybrid was sensitively influenced by external temperature, day-length and amount of light. In particular, it was apparent in height growth. 8. Flatness, loam soils and a 60 x 60㎝ spacing might be best factors for the growth of P. alba x glandulosa. 9. The rooting of 15 clones was dependant upon external factors. 10. The growth of P. alba x glandulosa was best at around 80% of soil moisture content on the basis of plot water capacity. 11. Temperature difference between inside and outside stems below 100㎝ during the winter was the greatest at the south among seasons and among directions. 12. The sap movement was markedly influenced by air temperature, relative humidity in forest stand and moisture content in stem. 13. Total sugars in the cortex changed with season but did not differ in the dircetion of the stem. 14. Isoperoxidase variations in the leaf were different among 15 clones. Thus, it may be useful as a criterium for clonal identification. 15. The rate of soil moisture content decreased at a rapid slope was faster than that at a slow slope. Poor growth of P. alba x glandulosa at the slope was probably due to depletion of soil moisture.