BACKGROUND: During the winter, the use of deicers was rapidly increased for reduction of traffic accidents as well as injuries in Korea, whose components are largely comprised of calcium chloride and sodium chloride. Recently, to reduce the adverse effects of chloride-deciers such as pollution of water and soil, and decrease of agricultural productivity, the attention of eco-friendly deciers have been increased. This study aimed to investigate biological effects of magnesium chloride deicer (PC-10) and organic acid deicer (EFD-1) against wheat, barley, and spinach. METHODS AND RESULTS: We examined the effect of two deciers, PC-10 and EFD-1 on the seed germination and growth of wheat, barley and spinach. EFD-1 showed higher suppression of the germination than PC-10 among tested crop seeds. In demage index of the seedlings of the crops, there was no symptoms in spinach such as spotting and color change of leaves. EFD-1 showed much stronger inhibitory effect on the germination of tested crop seeds than PC-10 when crops were exposed continuously to tested deciers in soils. The growth and shoot and root in examined crops was relatively higher in PC-10 treatment than in EFD-1 treatment when compared to the control. The biomass decrease was found in all examined conditions of deciers. PC-10 showed 23-35% reduction of biomass whereas EFD-1 exhibited 39-84% loss in all examined crops at over 2% concentration. CONCLUSION: These results suggest that the effects of deicers used in this study by inputting into soil against growing tested crops cause the reduction of germination of seeds, growth, and biomass compared to the control.
Journal of the Korea Academia-Industrial cooperation Society
/
v.18
no.8
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pp.72-83
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2017
This study was conducted to investigate nursing students' safety-climate: perception and performance of standard precautions for healthcare-associated infection control. We also identified actors influencing performance of standard precautions. Data were collected from 246 junior and senior nursing students at nine colleges in D city from July to September, 2016. The mean score of performance was significantly lower than that of perception in all areas of standard precautions. The biggest difference between perception and performance was in the usage of personal protective equipment and safe injection practices. We also detected significant positive correlations among safety-climate, perception, and performance of standard precautions. In the regression analysis, performance of standard precautions was influenced by safety-climate and grade accounting for 10.7% of variance. To improve healthcare-associated infection control among nursing students, safer and more supportive practical environments need to be provided, and new training strategies such as simulation education need to be expanded.
Journal of the Korea Academia-Industrial cooperation Society
/
v.16
no.6
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pp.4031-4039
/
2015
The problems related with blood supply shortage and the stability of blood transfusion are on the rise, as it is expected that the blood doners will decrease but the blood use amount for aged population will increase, owing to low birth and aged population increase. The purpose of this study is to analyze the hospital characteristics which affect patients receiving and non-receiving blood transfusion for the knee and hip total replacement arthroplasty. Data were collected from Health Insurance Review and Assessment Service's 2011 sample data, and 5,370 inpatients were abstracted from them. Logistic regression analysis was performed, using SPSS 20. Independent variables used are hospital characteristics variables and patient characteristics variables. Hospital characteristics variables are hospital type, ownership, residence and the number of usable beds, and patient characteristics variables are gender, age, severity, type of anesthesia, main diagnosis, whether or not of anemia and insurance class. At the result of this study, it was found that hospital type, region, gender, age, severity, main diagnosis and whether or not of anemia were the factors that mostly affected the blood transfusion for knee arthroplasty. And hospital type, residence, gender, age, severity, type of anesthesia and whether of not of anemia were the factors that mostly affected the blood transfusion for hip arthroplasty. In addition to that, it is expected that this research which analyzed the present state of blood transfusion and its influence factors are cost effective, and would make a good use of preliminary data for good quality of medical service.
Nowadays college students in South Korea experience much stress related to job search due to the continuing unemployment crisis. Particularly, students who hold a degree in Security Services suffer from such stress at a higher level compared to other students because of the specific qualifications sought by potential employers. Therefore, this study investigates the effect of the stress related to job search on career maturity among the students of Security Services. The authors surveyed 250 students of Security Services from 7 colleges in Gyeonggi, Jeolla, and Gyeongsang provinces. Before distributing the questionnaire, its validity and reliability were assessed through the consultations with experts in the related fields. The data collected was examined via various statistical methods, including factor, reliability, correlation, and regression analyses using SPSS 20.0. The results indicated that socio-demographic characteristics affected job search stress and career maturity. Additionally, it was found that the job search-related stress of the students influenced their career maturity. To illustrate, job search stress and career maturity were positively related. Based on the results of the analyses, the authors confirm that the students of Security Services are suffering from a high level of stress resulting from job search, which impacts their career selection. Finally, policy implications are discussed, including alleviating the stress by providing diversified career choices to the students.
Journal of the Korean Society for Library and Information Science
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v.16
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pp.207-242
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1989
This study hypothesizes that the present deadlock situation in public library development in Korea has chiefly been caused by the underdevelopment of the consciousness of the librarians themselves presently employed in various levels of public libraries throughout the country. This study, therefore, aims to define the areas in librarians' consciousness in which elements of backwardness prevail, and thereby to produce a theoretical framework to develop public library services in Korea on an indigenous footing. To do this, the present author set up a relationship between the traditional consciousness of the Korean People and the public library performances, based on existing published materials. In order to prove hisirelatonship, he then sent out questionnaires to public librarians and male high school students and analyzed the answered questionnaires using Pearson's Correlation Analysis and Multiple Regression Analysis. Results of the analysis are asfollows: 1) Those who place an importance on the show of respectability tend to prefer to work in an indirect services area. 2) Male librarians tend to show a job satisfaction because of chances of promotion reflecting a positive correlation between this-worldiness of librarians and their job satisfaction. 3) Male librarians tend to be satisfied in their job for the conviction for their self-accomplishment, and female librarians tend to be satisfied in their job for the attention and respect they receive from users. 4) Library technicians tend to draw their job satisfaction from their sense of job stability. 5) Male librarians tend to be dissatisfied for the lack of the monetary rewards they receive, while female librarians tend to be dissatisfied for the lack of promotional chances. 6) Most librarians tend to maintain a positive job attitude for the promotional chances, reflecting a positive correlation between thisworldliness in librarians and their service attitude. 7) Power-orientednes in librarians and their job satisfaction correlate negatively in the case of male librarians. This does not apply to female librarians. 8) Power-orientedness and good service attitude correlate negatively in the case of male librarians. This does not apply to female librarians. 9) The fact that male high school students desire to enter good colleges and universities and to obtain a position in his job positively correlate to the fact that public libraries have transformed themselves into a mere reading room. 10) Male library science students show a maladjustment in their major department in earlier years for the professional uncertainty, and as they advance into senior years they show a positive attitude about the library profession.
Ha, Jungyoun;Kim, Jeongmin;Kang, Jiyeon;Cha, Jicheol
The Journal of the Korea Contents Association
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v.17
no.5
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pp.80-89
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2017
This study aims to get necessary information for designing the systematic and practical career preparation education program by checking the differences among core competency of collegiate and career variables. In order to do that, the core competence of collegiate was identified through Korea collegiate essential skills assessment(K-CESA), and the survey results about career preparation behavior, career decision-making self efficacy and career barriers were collected. And then the data were compared and analyzed to differentiate relationships among core competency of collegiate and career variables, based on the university types and the locations. The data were analyzed by ANOVAs and t-tests using the SPSS 21.0 program. According to the analysis, firstly, there is a difference in the level of collegiate essential skills depending on the characteristics of schools. Secondly, the students at metropolitan four-year universities feel more difficulties primarily in the variable of career barriers than the students at local universities and students at colleges. Thirdly, the students of high rank at core competence showed higher career decision-making self-efficacy and career preparation behavior than the students of low rank, and they feel less difficulties in the matter of career barrier. This study shows that in order to support students' career efficiently, it is necessary for each college and university to design career program by considering the core competency and the level of career development of students, instead of providing them with a unified and fractional program.
Journal of the Korea Academia-Industrial cooperation Society
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v.12
no.11
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pp.5043-5048
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2011
The purpose of this study was to examine the drinking awareness of medical and health-related majors in a bid to find out the impact of their drinking awareness on drinking. The subjects in this study were 153 students who were selected by rendem sampling from colleges located in two different cities in the province. Data collection was performed from may 1 to september 20, 2011 with total 153 college students. Out of them, 86 students majored in medical departments, and 67 students were in the health-related departments. After a self-administered survey was conducted, the following findings were given: A great deal of the students who accounted for 75.8 percent were ever disturbed in daily routine life by drinking over the past year. As for the influence of drinking awareness on the amount of drinking, the amount of drinking was under the significant influence of the following five items. The first was that alcohol was an energizer(p<.001), and the second was that drinking led to a sound sleep(p<.01). The third was that I drank too much with my close friends often(p<.05), and the fourth was that alcohol used as a hangover-chaser was conducive to a hangover(p<.05). The fifth was that alcohol had the largest impact on the liver(p<.05). All the variables made a 43.4% prediction of the amount of drinking. In conclusion, the medical and health-related majors who learned about the impact of drinking on the human body in a firsthand or secondhand manner had a tendency to drink a less amount of alcohol and do less binge drinking. It's advisable to take advantage of the knowledge of medical and health-related majors on the human body and drinking as resources of anti-drinking education.
Journal of the Korea Academia-Industrial cooperation Society
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v.18
no.4
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pp.459-468
/
2017
This study examined the multicultural awareness, cultural sensitivity, and characteristics of multicultural experiences affecting the intercultural communication skills among Korean nursing students. The study participants were a total of 353 nursing students who had completed one or more clinical practice courses and were in 1 University and 2 Colleges. A self-assessment instrument was used. The descriptive statistics, t-test, one way ANOVA, Pearson's correlation coefficient, and simple and multiple regression were used to analyze the data. Statistically significant differences in the intercultural communication skill were observed in multicultural education, foreign friends, proficiency in English, stay in foreign countries, and length of stay in foreign countries. The intercultural communication skills was correlated with both multicultural awareness and cultural sensitivity. Multiple regression analysis showed that the multi-cultural awareness, multi-cultural education, and proficiency in English could explain 41.3% of the variances for the intercultural communication skill. Simple regression analysis also showed that the length of stay in foreign countries explained 2.5% of the intercultural communication skill among nursing students, who had stayed in foreign countries. Therefore, nursing educators should improve their multi-cultural awareness and develop various multi-cultural education programs, consider living abroad, and improve their language proficiency to strengthen nursing students' intercultural communication skill.
Journal of the Korea Academia-Industrial cooperation Society
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v.18
no.4
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pp.325-333
/
2017
The purpose of this study was to examine the relationship between the Family Functioning, Smartphone Addiction and Self-differentiation of college students and investigate whether Self-differentiation mediated the relationship between Family Functioning and Smartphone Addiction. The subjects of this study were 176 college students from 3 colleges located in S-si and M-si and the data were collected over the period of 20 days from December 1 through December 20, 2016. As their Family Functioning increased, their Self-differentiation increased (${\beta}=667$, p<.001); as their Self-differentiation increased, their Smartphone Addiction decreased (${\beta}=-.361$, p<.001); moreover, their Self-differentiation fully mediated the relationship between their Family Functioning and Smartphone Addiction (Z=-2.336, p<.001). To alleviate the Smartphone Addiction of college students, their Family Functioning and Self-differentiation need to be improved.
The purpose of this study was to investigate the relationship between degree of satisfaction and experience on performance in accordance with the characteristics for the dental hygiene students. Dental hygiene students to 480 people from November to December 2014 and analyzed by conducting a survey. The higher grade students were more satisfied with the degree of satisfaction on experience for clinical test performance and clinical practice organization rather than the lower grade students. Also, the degree of satisfaction on major for the higher grade students has been shown as relatively higher than the lower grade students. The factors that affecting the experience for clinical performance and the degree of satisfaction for clinical practice were shown as grade, satisfaction for major and period for practice. In order to enhance the degree of satisfaction on the clinical performance for students, it should be established the system for practice management considering the characteristics of clinical practice by relevant organizations. Also, the dental hygienist who is responsible for dental education should manage his/her practice for students actively. Meanwhile, the practice organization should improve and update the content of education through the consistent alliance with colleges continuously.
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