• Journal of the Korea Academia-Industrial cooperation Society
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• v.21 no.3
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• pp.438-446
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• 2020

The purpose of this study was to examine the relationships among work-life balance, compassion satisfaction, compassion fatigue and burnout on grit and to identify the factors that have an influence on the grit of clinical nurses. The participants in this study were 150 nurses in the two general hospitals located in Y city. The data was collected from February 4, 2019 to February 22, 2019, and it was analyzed by descriptive statistics, t-tests, one-way ANOVA, Scheffe test, Pearson correlation coefficient, and multiple regression analysis using the SPSS Win. 22.0 program. The average score for work-life balance was 3.14±.68, it was 29.71±4.89 for compassion satisfaction, it was 28.88±4.83 for compassion fatigue, it was 31.22±5.32 for burnout, and it was 3.11±.40 for grit. Grit was significantly different according to educational level (t=2.370, p=.019). Grit in clinical nurses was significantly correlated with work-life balance (r=.239, p=.003) and compassion satisfaction (r=.371, p<.001), while grit was a negatively correlated with burnout (r=-.493, p<.001). The result of the multiple regression indicates that burnout and educational level predict 30.4% (F=15.80, p<.001) of grit. Therefore, it is necessary to develop a burnout treatment program to increase the grit in clinical nurses.

• The Korean Journal of Rehabilitation Nursing
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• v.6 no.1
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• pp.51-60
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• 2003

This study was a descriptive research in search of a nursing intervention scheme to improve stroke patients' quality of life by understanding the relationship of stroke patients' ADL, depression, self-efficacy and quality of life with various variables and identifying factors that affect their quality of life. Each subject was interviewed one to one based on a structured questionnaire. With regard to research tools, Modified Barthel Index (MBI: Fortinsky et al., 1981), which was translated by Choi, Hye-sook (1996), was used in measuring ADL, Randloff's (1977) tool, which was translated by Choi, Soon-hee, was used in measuring depression, and the tool developed by Sherer et al. (1982), which is to measures self-efficacy under general conditions not limited to specific conditions, and modified by O, Bok-ja (1994) was used in measuring self-efficacy. The quality of life was measured using the scale of satisfaction of life developed by Diener et al. (1985). The results of this study were as follows: 1. The means of ADL of the subjects was $79.5{\pm}31.9$, depression $26.8{\pm}10.4$, self-efficacy $47.1{\pm}25.7$, and the quality of life $12.3{\pm}4.9$. 2. The subjects' quality of life showed a statistically significant difference according to gender (t=7.9, p= .006), satisfaction with income (F=5.8, p= .004), the burden of medical fee (F=3.7, p= .028) and the period of disease (F=2.8, p= .042). 3. With regard to relationship among ADL, depression, self-efficacy and the quality of life, ADL was in a relatively low positive correlation (r= .293, p= .003) with and the quality of life, depression in a high negative correlation (r=- .634, p= .000) with the quality of life, and self-efficacy in a positive correlation with the quality of life (r= .388, p= .000). 4. Factors that made a significant influence on the quality of life were depression (B=- .309, p= .001) and satisfaction with income (B=-2.611, p= .001). Based on these results, this study made following suggestions: 1. It is necessary to run rehabilitation programs to improve stroke patients' ADL, depression and self-efficacy. 2. It is necessary to perform research of monitoring stroke patients' quality of life in various areas using measuring tools.

• Journal of Korean Society of Environmental Engineers
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• v.29 no.4
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• pp.412-418
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• 2007

The purpose of this study was to determine the several factors for affecting chlorine disinfection by-products(DBPs) characteristics by reacting chlorine and organic matters in the aquatic phase. The results of this research yield the following specific conclusions: The concentration of trihalomethanes(THMs) was increased with increasing dissolved organic carbon(DOC), and a trend of THMs formation was parabolic with increasing organic matters. Formations of THMs increased straightly for the first 4 hours and the amounts of producted THMs for the 30 minutes were up to $25\sim43%$ in the entire experiment periods(168 hours). When keeping up the concentration of organic matters at constant and changing that of bromide, the quantity of formed THMs did not show distinguished difference with the reaction times. THMs were gradually increased at $4^{\circ}C$ even though a reaction phase was parabolic formation(PF) phase. However, THMs were increased rapidly in the instantaneous formation(IF) phase and then became slowdown in the PF phase between $20\sim35^{\circ}C$. THMs were gradually increased although entering in the PF phase at pH 5. However, THMswere increased rapidly in the IF phase and then became slowdown in the PF phase at pH 7 and pH 9, and these treads were much more clear at pH 9 than at pH 7.

• Journal of Korean Society of Environmental Engineers
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• v.29 no.4
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• pp.438-443
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• 2007

This study was done to investigate perchlorate contamination in Nakdong river. The perchlorate was detected in Nakdong river and ranged from ND to $82.1{\mu}g/L$. The highest concentration was observed in Wheguan. The perchlorate concentration was decreased with the down stream of Nakdong river. Three different virgin activated carbons made of each coal(Calgon), coconut(Samchully) and wood(Picabiol) based activated carbon(AC) were tested for an adsorption performance of perchlorate in a continuous adsorption column. Breakthrough behavior was investigated that the breakthrough points of coal, coconut and wood based AC as 2,300 bed volumn(BV), 719 BV and 288 BV respectively. Adsorption capacity(X/M) of real, coconut and wood based AC was observed. The experimental results of adsorption capacity showed that coal based AC was highest$(768.2{\mu}g/g)$, coconut based AC was intermediate$(299{\mu}g/g)$ and wood based AC was lowest$(99.2{\mu}g/g)$. Moreover, carbon usage rates(CURs) for coal, coconut and wood based AC had been shown as 0.71 g/day, 2.16 g/day and 3.45 g/day respectively. The constant characteristic of the system, k of coal, coconut and wood based ACs were found to be 307.2, 102.5 and 94.2, respectively.

• Journal of Korean Society of Environmental Engineers
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• v.30 no.12
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• pp.1255-1261
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• 2008

In this study, The effects of three different biological activated carbon (BAC) materials (each coal, coconut and wood based activated carbons), empty bed contact time (EBCT) and water temperature on the removal of haloacetic acid (HAA) 5 species in BAC filters were investigated. Experiments were conducted at three water temperatures (5, 10 and 20$^{\circ}C$) and four EBCTs (5, 10, 15 and 20 min). The results indicated that coal based BAC retained more attached bacterial biomass on the surface of the activated carbon than the other BAC, increasing EBCT or increasing water temperature increased the HAA 5 species removal in BAC columns. To achieve an HAA removal efficiency 50% or higher in a BAC filter, the authors suggest 10 min EBCT or longer for 5$^{\circ}C$ waters and 5 min EBCT for waters at 10$^{\circ}C$ or higher. The kinetic analysis suggested a first-order reaction model for HAA 5 species removal at various water temperatures (5, 10 and 20$^{\circ}C$). The pseudo-first-order reaction rate constants and half-lives were also calculated for HAA removal at 5, 10 and 20$^{\circ}C$. The pseudo-first-order reaction rate constants and half-lives were also calculated for HAA 5 species removal at 5$\sim$ 20$^{\circ}C$. The half-lives of HAA 5 species ranging from 0.75 to 18.58 min could be used to assist water utilities in designing and operating BAC filters for HAA removal.

• The Journal of Korean Physical Therapy
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• v.12 no.3
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• pp.319-329
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• 2000

The purpose of this study w8s to evaluate the effects of pulsed electromagnetic energy(Diapulse) and microcurrent on the wound healing in rabbits. 15 domestic rabbits were randomly assigned to the PRME(n=5). MC(n=5) and CON(n=91 group. Each rabbits were anesthetized with lidocaine HCL $2\%$. Skin wounds were created laterally on the back of IS domestic rabbits(33cm). From 24 hours after being injured, the rabbits of the PEME group were irradiated with an intensity of 3 at a 300 pulses per second, which were applied for 15 minutes every day during the 12 days. The MC group were stimulated with an intensity of $50{\mu}A$ at frequency of40 pulses per second, which were applied for 15 minutes every day during the 12 days. The CON group were not stimulated. The rabbits were sacrificed and the incised wound pans were processed appropriately for the light microscopic examination on the 3rd day, 6th day and 12th day before the beginning of wound treatment. The areas of wound were measured with metric graph paper. The results were as tallows. 1 The PRME and MC group compared with control group showed that wound closure rate increased on 6th, 12th day. 2. It was found that the CON group did not show a complete maturation and had a chronic inflammatory response. Judging from the irregularity of intercellular space and the loose alignment of connective tissue. these findings showed that wound healing was delayed. 3. It showed that inflammatory cells. fibroblasts and epithelial cells activity rapidly processed in the PEME group compared with the CON group. It was found that the PEMI; group showed a advanced remodeling of epithelial layer and a positive repair of connective tissue. 4. It showed that fibroblasts, epithelial cells and inflammatory cells activity rapidly processed in the MC group compared with the CON group. It was found that the MC group showed a improved remodeling of epithelial layer and a dense connective tissue.

• Research in Plant Disease
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• v.14 no.3
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• pp.182-186
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• 2008

Recently organic farming practice of rice has been emerged in Korea, but one of the major limiting factor is the no effective environmental-friendly agro-materials to control major plant diseases. Bordeaux mixture has been used effectively as a preventive agro-chemical. The aim of this study was to investigate efficacy of Bordeanux mixture on control of rice blast caused by Magnaporthe grisea which is one of the disruptive rice diseases in world-wide. In greenhouse experiment, pre-treatment of 6-6 type of Bordeaux mixture before inoculation of spore suspension of M. grasea showed 71 % of control value. In field experiment, preventive applications of 4-8 and 6-6 types of Bordeaux mixture showed over 71 % of the control value. Chemical injury on rice leaves were not found in the application concentrations of all types of Bordeaux mixture, but observed in applications of Bordeaux mixtures between 30 and 100 diluted concentrations. This results indicate Bordeaux mixture can be used as an effective environmental-friendly agro-chemical to control rice blast disease in the field.

• Journal of Korean Physical Therapy Science
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• v.10 no.1
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• pp.47-57
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• 2003

The purpose of this study was to evaluate the problem on activities of daily living ; the problem which spinal cord injured patients have when they adapt in daily living ; Subjects were 113 members who used the hospital which is located in Kwangju-city from November 20, 2001 to May 20, 2002. The evaluation of the ADL was performed according to MBI and collected data were statistically analysed by SPSS PC for paired Chi-square test T-test, One way ANOVA and Duncan's post-hoc test. The result's were as follows; 1. Modified Barthel Index average mark was $63.77{\pm}33.60$ points and MBI score distribution according to characteristics of injury is as following. 1) A patient who had long duration of injury, small injury region, incomplete paralysis in paralysis degree, paraplegia in paralysis type got high MBI score as statistical and significantly(p<0.05). 2. Society adaptation state by characteristics of spinal cord injured is an following. 1) After lapse of time of disease, a patient who is injured for a long term present surrounding environmental problem, a patient who is injured for a short term shows psychological problem. In society activity, as lapse of time of disease is long, patient did many hobby activity and same private club, on the other hand as lapse of time of diseases is short, the others appeared high and significantly as statistical(p<0.01). 2) In society activity by injury region, cervical injury and thoracic injury did more hobby activity than lumbar injury and in lumbar injury same private club or religion life appeared higher than thoracic injury of cervical injury significantly as statistical(p<0.01). 3) In walk method by paralysis degree Complete paralysis had more wheelchair life than incomplete paralysis(p<0.01). 4) In serious problem by paralysis type psychological problem in quadriplegia and surrounding environmental problem in paraplegia appeared high and significantly as statistical(p<0.01). 3. In society adaptation state by MBI score difference between variables appeared but it wasn't significantly.

• Journal of Korean society of Dental Hygiene
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• v.10 no.6
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• pp.1037-1048
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• 2010

Objectives : The awareness of health care need increasing attention from the public along with changing professional human-resources activity. As there are increasing social demand for the roles and professionalism of dental hygienists, the purpose of this study was to examine the job performance, creativity and organizational climate of dental hygienists by their own self-diagnostic evaluation in an attempt to help enhance their work ability. Methods : According to the data released as August 2008 by the Dental Association and public health centers in Gwangju, 735 dental hygienists worked at 425 dental clinics. The subjects in this study were 156 dental hygienists at 85 dental clinics who were selected by proportionate sampling method from among the dental hygienists. After an interview survey was conducted in person, the answer sheets from 132 respondents were analyzed except 24 incomplete ones. The questionnaire used in this study consisted of 49 items. A five-point Likert scale was used and SPSS 12.0 program was analyzed the data. Results : 1. As a result of checking the types of works, treatment cooperation(54%), and oral health education often(45%), They weren't responsible for preventive treatment(42%). 2. When they made a self-diagnostic evaluation of creativity and organizational climate, they put the highest value on their autonomy(2.21), followed by positive attitude(2.10). Out of seven organizational climate, challenging spirits(2.81) ranked highest, followed by reliability(2.66). 3. Major management eopmubyeol individual creativity compared with three business relationships and a positive attitude in the case of the high group received oral health education and care management services in a group doing the most was General office work and office assistance work in the medical assistance group that was doing business primarily. 4. In the relationship between self-assesment score and three performance duties, Positive difference was noted in the group with positive attitude and elevated autonomy in terms of performing oral health education. Conclusions : As a result, individual creativity and organization of the atmosphere, each detail, through analysis of the self-assessment model, developed guide on the investigation by doing a dental hygienist, a unique business promotion and Enlargement of the study suggested the need to be considered is.

• Journal of Korean society of Dental Hygiene
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• v.7 no.3
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• pp.343-354
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• 2007

This study is to provide basic materials for the purpose of maximizing satisfaction of university students with campus life and ensuring competitiveness of university by establishing educational conditions to make university students adapt themselves to campus life, enhancing their satisfaction with campus life and making and executing improvement methods of areas showing low satisfaction with campus life and selects 210 students studying dental hygiene at C university in Jeonnam region as subjects of research and as a result of examining their satisfaction with campus life and department using questionnaire, the following conclusions are obtained. 1. Subjects of research are 39.6% at the first grade, 38.1% at the second grade and 22.3% at the third grade, 51.0% of subjects graduated from academic high school, 70.3% lived in lent house or dormitory, 85.6% had normal health state and 60.4% had good personal relationship with schoolmates. 2. On information of dental hygiene before admission, 50.5% of subjects had it a little. On the Source of information in selecting department, 21.8% was through internet, on the period of selecting department, 33.2% was before application and on motivation of selecting department, 33.2% was because of good employment. 3. On satisfaction with this university, 46.0% answered normal, 34.2% answered they were dissatisfied with university and reasons of such a dissatisfaction were environment around school at 23.3% and scholarship and welfare system at 21.3%. On academic results, 58.4% marked average. On club activity, 82.7% didn't join in any club activity and on their current great trouble, 53.5% answered passing national qualification examination. 4. On satisfaction with department of dental hygiene, 57.4% answered that they were satisfied with their department and 19.3% were dissatisfied with it. On reasons of their dissatisfaction with department, 35.4% answered it was because of poor facility and 20.8%, difficult curriculum. On requirements of professors at department of dental hygiene, 51.5% wanted to have personal contact with their professors. 5. On motivation of employment, 50.5% was for economic reason. On areas desired, 44.1% was dental clinic and on standard of choosing job, 40.1% was job with high salary. On period of employment desired, 75.7% said they wanted to continue to work. 6. There were significant differences at satisfaction with campus life according to grade(p<0.01) and between campus life and satisfaction with department depending on health state(p<0.05). 7. There was statistically significant difference in satisfaction with department according to academic results(p<0.05).