• 한국농림기상학회지
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• 제6권4호
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• pp.256-264
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• 2004

본 연구는 폐탄광지의 식생복원에 관한 기초 정보를 제공하고자 강원도 태백시에 위치한 보림탄광, 성원탄광, 협정탄광, 대동탄광의 식생구조를 조사하였다. 상층의 경우 대조구는 1종류가 출현하였으며 소나무의 중요치가 가장 높았으나 4개 폐탄광지에서는 상층을 형성하는 수종이 없었다. 중층은 보림탄광 3종류, 성원탄광 2종류, 협정탄광 3종류, 대동탄광 2종류가 출현하였다. 하층은 보림탄광 12종류, 성원탄광 14종류, 협정탄광 9종류, 대동탄광은 8종류. 대조구는 9종류가 출현하였다 보림탄광은 소나무, 성원탄광은 족제비싸리, 협정탄광과 대동탄광은 산딸기의 중요치가 가장 높았다. 4개 폐탄광지 중 3개 이상 조사지의 하층에서 출현한 식물은 병꽃나무, 산딸기, 소나무, 자작나무, 국수나무, 참바리, 족제비싸리 등 7개 수종이었다. 하층의 종다양도는 대조구는 0.606으로 나타났으며, 4개 폐탄광지는 0.800-0.952의 종다양도를 나타내었다. 하층의 균재도와 우점도는 대조구가 각각 0.473과 0.527로 나타났으며, 4개 조사지는 각각 0.840∼0.886 과 0.051∼0.160의 범위에 있는 것으로 분석되었다.

• 자원환경지질
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• 제22권2호
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• pp.129-139
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• 1989

The anthracite coalfields of Korea are confined to the areas where sedimentary rocks of Permian and Jurassic are preserved. The Chungnam coalfield lies in the sedimentary rocks of Jurassic which belongs to the Daedong Supergroup (the Nampo group). For the property analysis of each coal seam interbeded in Daedong Supergroup, Seongju area is chosen and twelve coalseams are taken. Many standard tests have been established for optical analysis (maceral analysis, coalification degree measurement), chemical analysis (proximate, ultimate analysis) and physical analysis (ignition temperature, ash fusion temperature, hardgrove grindability index and X-ray diffraction). The Jurassic anthracite mainly consist of vitrinite and macrinite and the range of the reflectance is $R_{max}$ 5.0-6.5 which means metaanthracite rank. By the chemical composition analysis, it shows low H/C and high O/C value compare with international average value. By the physical analysis, it has very high ignition temperature ($531-584^{\circ}C$) and ash fusion temperature ($1510-1700^{\circ}C$) and very low combustion velocity (0.2-1.9 mg/min). The very wide range of the hardgrove grindability index (46-132) means that the grindability controlled mainly by the structural conditions of coal bearing strata.

• 복식
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• 제59권6호
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• pp.118-125
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• 2009

Goryeong Jeesandong tombs No.73 from the 5th century located in Gyeongsangbookdo is the most representative remains of the Daegaya. They were excavated and examined by the Daedong Research Center for Cultural Properties. In this study, the textiles in the Goryeong Jeesandong tomb No.73 is identified and their features are examined through scientific analysis. Due to the fact that the remains were not treated for preservation, we were able to observe many samples under the microscope. Within the hemp textiles both hemp and ramie were made using s-twist threads and the thread count distribution is calculated to be 8.0${\sim}$20.0/$cm^2$. Among the silk, the taffeta was categorized into five types. First, there was plain woven silk which the thickness of the warp and the weft is the same and their rate of threadcount was the same. The second type was thin tabby which is spacious between threads. The third kind was woven by warp and weft which had very different thickness. The fourth type used two threads for each warp. The fifth kind used two threads for the warp threads and used thick threads for the weft for a modified plain weave, and it is the first of its kind to be found. Also, there was a compound weave with warp-faced compound weave among silk.

• 한국임상보건과학회지
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• 제2권2호
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• pp.79-89
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• 2014

Purpose. This study was conducted to provide basic data on the subjective happiness index and identify factors influencing college professor and staff by describing their perception of general characteristics, health behavior, suicidal ideation, and subjective happiness index. Methods. A survey was conducted with 198 professor and staff who were working University on K city. Data were analyzed using descriptive statistics, t-test, ANOVA, Pearson correlation coefficients and multiple regression with SPSS window 18.0 program. Result. The Mean scores of Subjective happiness in college professor and staff was 4.66 on a scale of 7. There were significant differences on the subjective happiness Index for the followings: age, breakfast for 2 day, blood pressure (Lt systolic), health status index (EQ-VAS). There was a negative correlation between the subjective happiness Index and suicidal ideation. Factors influencing of subjective happiness in college professor and staff were identified as age (${\beta}=.201$), breakfast for 2 day (${\beta}=-.180$), blood pressure (Lt systolic) (${\beta}=-.244$), health status index (EQ-VAS) (${\beta}=.408$). These factors explained 35.1% of variance in subjective happiness in college professor and staff. Conclusion. Results indicate that factors influencing subjective happiness are suggesting the need to establish policies of health behavior. health behavior program for a life of happiness among college professor and staff.

• Journal of Biosystems Engineering
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• 제35권3호
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• pp.151-157
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• 2010

The objective of this study was to analyze the factors affecting on fuel consumption of agricultural tractor. According to the statistical analysis, fuel consumption of agricultural tractor was considerably influenced by kind of operation, throttle engine speed and gear steps of tractor but much less by kind of soil. Specific fuel consumption of the tractor in plowing, dry paddy tilling, wet paddy tilling and wet paddy levelling was 0.33~0.36, 0.30~0.45, 0.19~0.34, 0.28~0.39 L/$kW{\cdot}h$, respectively, and $CO_2$ emission was 0.36~0.45, 0.35~0.58, 0.22~0.42, 0.24~0.37 kg/$kW{\cdot}h$, respectively. Specific fuel consumption and $CO_2$ emission increased as throttle engine speed increased but reversely proportional with gear step of tractor, by which one can reduce fuel consumption and $CO_2$ emission with practicing of "Gear up & Throttle Down" technique in paddy operations.

• 한국보건간호학회지
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• 제34권1호
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• pp.112-124
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• 2020

Purpose: This study aimed to explore the perception of medical aid beneficiaries on their experiences of receiving case management. Methods: Data were collected through in-depth interviews with sixteen medical aid beneficiaries who had been receiving medical aid case management from at least one year ago. The data were analyzed using the NVivo software program for its qualitative content analysis. Results: Three categories emerged from the data: "not perceived but come into my territory", "realized the necessity of changes and begin to take care of my own health", and "satisfied passively with some of my changes." With respect to these categories, eight sub-categories were ultimately identified. Conclusion: It would be effective if both medical aid beneficiaries and case managers can set the case management goals and management plans together at the beginning of case management. It is also needed to develop a comprehensive case management model tailored to the characteristics and needs of the beneficiaries.

• 한국농촌간호학회지
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• 제4권2호
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• pp.120-127
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• 2009

Purpose: This study was done to identify factors related to job satisfaction according to socioeconomic status and job related factors among community health practitioners. Method: A total of 91 community health practitioners participated in the survey. The survey was performed in November, 2008. The survey instruments included socioeconomic factors, work related factors and job satisfaction. The statistical analysis included frequencies, percentages, means, standard deviation, t-test, ANOVA, Scheffe test and multiple regression. Results: The mean age was $44.03{\pm}5.21$ years, 35.1% graduated from baccalaureate program. Job satisfactions related to wage level and job description had relatively lower score than other items. Job satisfaction was significantly different by education level, marital status, and motivation for choosing to be a community health practitioner. Conclusion: Characteristics of community health practitioners are changing and the Korean government needs to up-date job descriptions and welfare policies according to the higher quality of public health practitioners.

• 대한족부족관절학회지
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• 제9권1호
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• pp.131-134
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• 2005

Purpose: The purpose of this study was to investigate the clinical results of conservative treatment for Morton's neuroma and to analyze the factors which influenced on the results. Materials and Methods: In this retrospective study, 101 cases of 83 patients with interdigital neuroma were conservatively treated with follow-up period of at least 6 months. There was no significant difference in results among different age groups, sxes, and lesion sites. However, the results were significantly better if the treatment was started within 6 months after onset. Results: We had 28 excellent results (28%), and 13 good results (13%). Patients were grouped by sex, age, duration of symptom before treatment, affected location. The result of treatment was evaluated by comparing the subject pain and discomfort score of the first vist and last follow-up. Conclusion: There are excellent results over 41% by conservative treatment. The results of conservative treatment were not related to age, sex, and lesion site, but were related to pre-treatment period. The shorter the pretreatment period was, the better the results.

• 한국농촌간호학회지
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• 제2권1호
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• pp.43-50
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• 2007

Purpose: The purpose of this study was to analyze the trends of research on Community Nurse Practitioners in Korea in order to suggest future directions for research on Community Nurse Practitioners. Method: A total of 109 studies published from 1980 to 2006 were analyzed according to the year of publication, research design, journal type, subject type, and major study concepts. Results: 1) The number of studies related to Community Nurse Practitioners increased by 28.4% from 1985 to 1989, and also by 28.4% from 2000 to 2004. 2) The most frequently used research design in the studies was a descriptive study design (90.8%). 3) There were 43 master's theses on Community Nurse Practitioners, and 16 studies in the Journal of Korean Community Nursing. 4) The most frequent participants were Community Nurse Practitioners (68.9%). 5) The most frequent major study concept was job analysis of Community Nurse Practitioner programs (27.5%). Conclusion: It is suggested that there should be more studies on Community Nurse Practitioner programs in the future and, particularly, experimental studies to exam the effects of interventions on health promotion by Community Nurse Practitioners are considered necessary.

• 자원환경지질
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• 제31권5호
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• pp.431-446
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• 1998

The calcretes from the Cretaceous Gyeongsang Supergroup in the vicinity of Ulsan city have been examined at five sites (Daedong, Seodong, Ansachon, Deogha, and Mangyangri). In these calcretes, evidences indicating pedogenic origin are recognized. Included are calcite aureoles around detrital grains, pedotubular pores, microstromatactis, circumgranular cracks, fitted structure of adjacent peloids, calcrete ooids, rhizocretions, and calcrete intraclasts. On the basis of calcrete development together with lithofacies, the depositional environments of those deposits are interpreted as lake margin (Daedong deposits), braided to low-sinuosity river (Seodong deposits), braid plain (Ansachon deposits), and meandering river (Deogha and Mangyangri). Stratigraphically, the fluvial deposits of study area show paleoenvironmental change from braided to low-sinuosity river plain under arid climatic condition to meandering river plain under seasonally wet an dry climatic condition. The stratigraphic successions of the Gyeongsang Supergroup of the study area Qacustrine-fluvial-Iacustrine) together with paleoenvironmental change of fluvial deposits suggest that those deposits can be correlated with the Banyaweol-Songnaedong-Geoncheonri formations of the Gyeongsang Supergroup in the western part of the Yangsan Fault.