• Title/Summary/Keyword: field study

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A Study on the Developed Educational Models of Fashion Educational Curriculum and Field Placement of the School Based Enterprise (패션 전공 교육과정과 학교기업 현장실습 연계 교육모델 개발 연구)

  • Han, Gyung-Hee
    • Journal of the Korea Fashion and Costume Design Association
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    • v.18 no.4
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    • pp.47-62
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    • 2016
  • As the occupational education in junior college is being searched to be connected to practical industrial settings at present, importance of field placement is now being heightened. Industrial field experience shall be developed as the work can be performed in the practical site based on the generally comprehensive contents through the applicable educational course rather than simply independent educational course. Furthermore, characteristics of the applicable major shall be reflected in the field placement to be connected to the industrial field experience so that image promotion of the major and other additional value of the major can be effectively operated. However, it is practical situation that most of the field placements are being operated separately from connection and characterization of the educational curriculum in spite of the variety of the industrial field experiences and works in the field sites. Thus, the author of the thesis would analyze practical cases of the industrial field experiences in the past and grasp the problems of them so that we can develop models of the industrial field experiences proper for characteristics of fashion related departments. Especially, through the study the author of the thesis has developed the practical educational model where the fashion majoring educational courses can be connected with the field placement in the school industry in which the practical environment is established as in the applicable industry. In addition, it is judged that Developed educational models can be realized for subsidiary companies with close relationship with the departments besides the school based enterprises.

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Environmental survey on the vectors and hosts of Tsutsugamushi disease in Jeonnam province, Korea (전남지방에서 쯔쯔가무시병 숙주와 매개체의 서식환경 조사)

  • Song, Hyeon-Je
    • Korean Journal of Veterinary Service
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    • v.35 no.3
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    • pp.183-189
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    • 2012
  • Tsutsugamushi disease or scrub typhus cause by Orientia tsutsugamushi is an endemic disease in Korea. Chigger mites and field rodents play roles in transmission of the disease by the vector and host of the agent. The purpose of this study is to investigate the density of the chigger mites and field rodents due to environmental factors such as temperature, relative humidity, soil thickness and the various vegetations to the 9 field rodent collection sites. The total 62 field rodents was captured by the Sherman collapsible traps from April to October 2009 at the Jangseong of Jeonnam Province, Korea. The trapping rate of the field rodents by the different collecting sites was dominant at subside storage water (24%), bush near by dam (22%), bank around field (20%), followed by 18% of grassy field and surround cattle shed. The distribution of chigger mites by the different collecting sites was the highest at Bush near by dam (28.7%). And the sites of subside storage water, bank around field and surround cattle shed were 20.4%, 18.8%, 16.4%, respectively. On the other hand the collecting sites of stream bank and ridges between rice paddies were not collected. The temperature to the collecting sites was showed $24.1^{\circ}C$ in June and $24.2^{\circ}C$ in October which was higher than April ($10.6^{\circ}C$), whereas lower than May ($25.3^{\circ}C$) and September ($26.8^{\circ}C$). The highest number of mites was collected at $24.2^{\circ}C$ and 46.6% relative humidity in October. The chigger mites and field rodents were highly collected between 18 and 24% at the sites where are loosely in the superficial layers of the soil from 8.0 cm to 10.2 cm. Total 25 species of vegetation were distributed at the collecting sites. In the present study, strong evidence was found that bank around field and grassy field were provided for the prevalence sites of tsutsugamushi disease.

A Study of Practical Instructors' Recognition on the Field Practice Program in Library and Information Science (문헌정보학 전공 현장실습에 대한 실습지도자의 인식 연구)

  • Cha, Sung-Jong
    • Journal of the Korean Society for Library and Information Science
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    • v.51 no.2
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    • pp.133-156
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    • 2017
  • This study was performed to find out how to improve the usefulness and effectiveness of the field practice program in Library and Information Science by diagnosing the practical instructor's perception of the overall field practice in the Library and Information Science. To achieve this goal, we conducted a research on the current situation and a measurement in perception of the field practice program through a survey of practical instructors at practical training institutions. We, then, analyzed the factors affecting the perception and examined the relationship between the effects. As a result of investigating the factors affecting the perception of field practice, 'operational accountability for the field practice program' was found to be a significant factor among other factors such as the general characteristics of the practical instructors, the characteristics of library related work and the field practice status of the practical training institutions. And factors of 'practice environment' and 'practice instruction method' have been identified to have a significant impact as a result of analyzing how the six factors constituting the perception of field practice effect on the overall perception of field practice of the practical instructors.

Investigation of field emission mechanism of undoped polyucrystalline diamond films

  • Shim, Jae-Yeob;Chi, Eung-Joon;Song, Kie-Moon;Baik, Hong-Koo
    • Proceedings of the Korean Vacuum Society Conference
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    • 1999.07a
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    • pp.62-62
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    • 1999
  • Carbon based materials have many attractive properties such as a wide band gap, a low electron affinity, and a high chemical and mechanical stability. Therefore, researches on the carbon-based materials as field emitters have been drawn extensively to enhance the field emission properties. Especially, diamond gives high current density, high current stability high thermal conductivity durable for high temperature operation, and low field emission behaviors, Among these properties understanding the origin of low field emission is a key factor for the application of diamond to a filed emitter and the verification of the emission site and its distribution of diamond is helpful to clarify the origin of low field emission from diamond There have been many investigations on the origin of low field emission behavior of diamond crystal or chemical vapor deposition (CVD) diamond films that is intentionally doped or not. However, the origin of the low field emission behavior and the consequent field emission mechanism is still not converged and those may be different between diamond crystal and CVD diamond films as well as the diamond that is doped or not. In addition, there have been no systematic studies on the dependence of nondiamond carbon on the spatial distribution of emission sites and its uniformity. Thus, clarifying a possible mechanism for the low field emission covering the diamond with various properties might be indeed a difficult work. On the other hand, it is believed that electron emission mechanisms of diamond are closely related to the emission sites and its distributions. In this context, it will be helpful to compare the spatial distribution of emission sites and field emission properties of the diamond films prepared by systematic variations of structural property. In this study, we have focused on an understanding of the field emission variations of structural property. In this study, we have focused on an understanding of the field emission mechanism for the CVD grown undoped polycrystalline diamond films with significantly different structural properties. The structural properties of the films were systematically modified by varying the CH4/H2 ratio and/or applying positive substrate bias examined. It was confirmed from the present study that the field emission characteristics are strongly dependent on the nondiamond carbon contents of the undoped polycrystalline diamond films, and a possible field emission mechanism for the undoped polycrystalline diamond films is suggested.

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The Improvements of the Pharmacy Field in the 6th Edition of the Korean Decimal Classification (KDC 제6판 약학 분야의 분류항목 전개 개선방안)

  • Chung, Ok Kyung;Lee, Jangik;Choi, Jung Hee
    • Journal of the Korean BIBLIA Society for library and Information Science
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    • v.24 no.4
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    • pp.281-299
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    • 2013
  • The purpose of this study is to suggest improvements of pharmacy field in the KDC 6th edition. To achieve this purpose, first, this study reviewed academic area and system of pharmacy. Second, we analyzed headings of pharmacy field from first edition to 6th edition. Third, we analyzed change process of classification items in pharmacy field. Forth, we investigated general problems concerning pharmacy field in the KDC 6th edition based on the comparative analysis with DDC, NLMC, and Research Field Code by Korean Research Foundation. As a result, pharmacy field of KDC has never changed since its 4th edition. And then, this study was added new subjects related to sections and subsections of pharmacy and suggested modern terminology. Also newly assigned pharmaceutics industry, cancer treatment and biological pharmaceutics fields under 518.7-.8 which do not use in pharmacy field for efficient classification.

Creation and Management of Urban Green Field based on Carbon Emission Reduction (탄소배출 저감형 도시 그린필드의 조성 및 관리방안)

  • Park, Cheon-Bo;Choi, Joon-Sung
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.16 no.1
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    • pp.837-844
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    • 2015
  • The purpose of this paper is to suggest the method of creation and management of urban green field based on carbon emission reduction. For a case study, Daejeon Metropolitan City in Korea was chosen. For the study, the relevant concepts of green field and carbon emission plans are reviewed as a theoretical research, and current problems of the urban green field are surveyed focused on metropolitan cities in Korea. Implementation plans of park and green in Daejeon Metropolitan City were analysed in the aspect to carbon emission reduction, climate change responding and urban green field expansion. Finally, as a result of the study, the method of creation and management of urban green field based on carbon emission reduction in the perspectives of urban structure change, green field network, conservation of green field and relevant institutions are suggested.

Exploring Learning Effects of Elementary School Students Engaging in the Development of Geological Virtual Field Trips (가상 야외지질답사 모듈 개발에 참여한 초등학생들의 학습 효과 탐색)

  • Choi, Yoon-Sung;Kim, Jong-Uk
    • Journal of the Korean Society of Earth Science Education
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    • v.15 no.2
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    • pp.171-191
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    • 2022
  • The purpose of this study is to explore inductively learning effects of virtual field trips(VFTs) programs developed by elementary school students under the theme of minerals and rocks, focusing on learning in virtual geological components. Ten students attending 'H' elementary school in the metropolitan area voluntarily participated. In order to develop a virtual field trips programs, pre-actual outdoor geological field trips were conducted and virtual field trips programs were developed. In this process, written data of students observing, all video recording and voice recording materials of the course in which students participated, VR development data, and post-interview data were collected. Data were inductively analyzed focusing on four areas(cognitive, psychological, geography, and technical components) of learning in virtual geological field trips. As a result, there were positive learning effects for students in four areas. This study revealed that the study participants were not just participants in virtual learning, but rather developed classes for virtual field trips programs, which had significant results in terms of authentic inquiry.

Development of Outdoor Geological Field Course for Elementary School Using Local Geology - Centers on the Odongdo- (지역 지질을 활용한 초등학교 야외지질학습장의 개발 - 오동도를 중심으로 -)

  • Kim, Hai-Gyoung
    • Journal of the Korean Society of Earth Science Education
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    • v.8 no.2
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    • pp.128-138
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    • 2015
  • The purpose of this study is to examine potential as a geological field course of Odongdo located to the east of Yeosu city, Korea. The total area and the height from the sea level of Odongdo is about 0.13km2 and 42m, respectively. Odongdo area belongs to the Hallyeohaesang National Marine Park, and is famous for rock scenery in the rocky coast and living of rare plants. For this study, diversity of geomorphology and geology was investigated at the sites called as dragon cave, windy area, seal rocks, sunrise viewing platform, second seashore rocks and first seashore rocks along the coast of Odongdo. The results of this study are as follows: A lot of geomorphological and geological resources like sea cliff, sea cave, strata, various sedimentary rocks(conglomerate, sandstone, mudstone), andesite, fault and examples of rock weathering were found in the rocky coast of the study area. These field resources are pertinent to the field work materials for the teaching and learning of geology units in elementary school science. Odongdo is to be recommended as a site of outdoor geological field course for the elementary school students inhabited in Yeosu city and neighborhood area because each site of the rocky coast in this study area has various field work materials and the wide space for observe activities, and is equipped with the facilities as a trail for rock observation.

Hydraulic Characteristics of Surface Irrigation in Paddy Field of Direct Seeding Culture -With paddy field of ridge direct dry seeding- (직파재배 논의 지표관개 수리특성 -건답휴립직파 논을 중심으로-)

  • 정하우;최진용;김대식;박기욱;배승종
    • Magazine of the Korean Society of Agricultural Engineers
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    • v.39 no.4
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    • pp.64-74
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    • 1997
  • The purpose of this study is to analyze hydraulic characteristics of surface irrigation in a paddy field of direct seeding culture. Field experiment was performed in the paddy field of ridge direct dry seeding. Simulation by a numerical model was also accomplished with the data obtained from the field experiment. The model was developed by one dimensional zero-inertia equation and finite difference method. From the result of the field observation, the furrows of the experimental field were found to have various geometric characteristics. Advance distance and time were measured both in the field and by the model simulation for various furrow lengths and irrigation discharges. Roughness coefficients of each furrow were also estimated by the model.

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A Critical Review of the Research on Learning during Field-trips

  • Choi, Mee-Young
    • Journal of The Korean Association For Science Education
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    • v.25 no.1
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    • pp.57-77
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    • 2005
  • This review is aimed at the understanding of learning in field-trips relating to education in outdoor activities. The review specifically concerns what studies have been undertaken by seeking evidence from research published between 1950 and 2004. The review indicates three common arguments on learning during field-trips. First, the learning in an informal learning environment based on first-hand experiences is most significant when it has meaning for the learner from field-trips. Second, learning aims and strategies in field-trips have evolved along with world-wide concerns towards the environment. Third, the experiences from field-trips can impact significantly on students' cognitive and affective learning. However, the research of field-trip experiences from outdoor activities has focused on learning outcomes far more than on the learning characteristics which facilitate students' learning. Therefore, further study is required, which can provide clear evidence on how such learning characteristics through field-trips can help studentsto successfully attain educational goals.