• Journal of the Institute of Electronics Engineers of Korea CI
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• v.47 no.5
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• pp.25-34
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• 2010

By introducing additional nodes called Steiner points, the problem of Steiner Minimum Tree whose length can be shorter than Minimum Spanning Tree and which connects all input terminal nodes belongs to Non-Polynomial Complete domain. Though diverse heuristic methods can be applied to the problem, most of them may meet serious pains in computing and waiting for a solution of the problem with numerous input nodes. For numerous input nodes, an efficient PTAS approximation method producing candidate unit steiner trees with portals in most bottom layer, merging them hierarchically to construct their parent steiner trees in upper layer and building swiftly final approximation Steiner tree in most top layer is suggested in this paper. The experiment with 16,000 input nodes and designed 16 unit areas in most bottom layer shows 85.4% execution time improvement in serial processing and 98.9% in parallel processing comparing with pure Steiner heuristic method, though 0.24% overhead of tree length. Therefore, the suggested PTAS Steiner tree method can have a wide range applications to build a large scale approximation Steiner tree quickly.

• Journal of Korean Society of Industrial and Systems Engineering
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• v.36 no.3
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• pp.109-117
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• 2013

This study designed a "Diagnostic Model for Management Innovation of Medium Enterprises" based on the theoretical background of success factor and management diagnosis model for management innovation of medium enterprises and suggested a measure for utilization of strategic subject and diagnostic model that enterprises can apply. Utilization of medium enterprises management innovation diagnostic model designed through this study would be of help for making a diagnosis of the capability maturity level of enterprises' current management system and improving it by establishing a challenging capability objective and building a circulation system capable of innovating enterprises. It is expected for enterprises to overcome growing pains and establish a management system capable of achieving outcome (productivity) by repeating measurement and innovation through management diagnosis. In addition, this study provides a method to produce a strategic subject, select priority of implementation and prepare an implementation road map by classifying and filtering management issues produced as a result of management diagnosis in a systematic way. If variables necessary for production of an objective weighted value of scoring and discover of elements for category of diagnostic model and elementary items as well as design of a self-diagnosis questionnaire, measurement of management outcome suggested in this study can be able to be verified and supplemented through case study in the future, it is expected to make the degree of completion as a diagnostic model elevated that may help for growth and development through innovation of medium enterprises.

• Journal of the Korean Society of Safety
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• v.26 no.3
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• pp.69-74
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• 2011

Despite most of tasks in manufacturing, construction and agriculture, etc., were currently mechanized and automated, manual materials handling still existed in atypical working condition. In case of manual materials handling, repetitive work, inappropriate working posture, excessive force, contact stress might cause overload, which could lead to work-related musculoskeletal disorders and low back pains. On this basis, the goal of this study is to reveal the effects of various lifting postures of trunk angles and lower extremity postures on maximum holding time(MHT). Twenty two subjects were recruited from a university population. The experiment was designed by a combination of three trunk angle ($0^{\circ}$, $20^{\circ}$, $60^{\circ}$) and three lower extremity postures(straight, bent, kneeling). Before experimental trials, subjects performed MVC(maximum voluntary contraction) exertions in three trunk angles ($0^{\circ}$, $20^{\circ}$, $60^{\circ}$) to calculate 30%MVC at designated postures. In each trial, they were required to hold the handheld load(30%MVC) for a designated posture as long as they could. The results of MVC by trunk angles were measured in $0^{\circ}$ > $20^{\circ}$ > $60^{\circ}$ orders, but those of MHT measured in $20^{\circ}$ > $0^{\circ}$ > $60^{\circ}$ orders. These results showed that straight posture is the ideal working posture in work exerted a strong force for a short time, but the ability to work might be improved in the trunk angle $20^{\circ}$ in work required 30%MVC for a long time. Also, results of MVC and MHT by lower extremity postures measured in straight > bent > kneeling orders.

• Journal of Fashion Business
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• v.12 no.5
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• pp.111-125
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• 2008

The purpose of this study is in the investigation to relieve into the clothing inconvenience levels and to need by arthritis patients who experience clothing difficulties in daily living even without showing conspicuous physical disabilities. For this study, personal interviews were carried out with 151 female arthritis patients, using a questionnaire form consisting of a total of 206 items. Data analysis were done with spss 12.0 for the frequency analysis, cross tab analysis, t-test, and ANOVA. The findings are as follows. 1. The survey subjects were diverse in their age from 20s to 60s and 18.5% of them have need of other's assistance at the time of getting dressed or undressed of clothing. The knee part was felt to be the most uncomfortable, causing the inconveniences in wearing pants or panties. 2. The investigation into the inconvenience levels at the time of dressing or undressing of clothing was indicated that the wearing of pants was the hardest movement to arthritis patients, as the items relating to the movements for putting feet into or pulling them out of pants and those for raising pants over the hip were also accompanied by the feeling of pains. In addition, the aged arthritis patients felt the clothes-wearing movements more difficult. 3. The survey on the kind and inconvenience levels for the clothes currently being worn showed the highest wearing ratio for the pants, which were pointed out to be the most inconvenient. 4. As for the clothing improvement, the needs were located as a whole in the sufficiency in measures of pants crotch and circumference items, the flexibility in materials, the short length of pants, or the front clearance.

• Journal of Nutrition and Health
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• v.39 no.2
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• pp.145-159
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• 2006

This study was performed to investigate the stress level, dietary attitudes and nutrient intakes of Food and Nutrition major female students at a university located in Changwon. A total of 122 female students taking the course 'Meal Management' during 2001-2004 participated in this study. The general characteristics, stress level and dietary attitudes of the subjects were surveyed using a self-administered questionnaire. The nutrient intake data collected from 3-day food-record method were analyzed by the Computer Aided Nutritional Analysis Program. The symptoms by stress showed that 'eye strain', 'physically exhausted or get tired' and 'pains on neck or shoulders' were high in 59.4-81.8%. The mean scores of stress in 2001-2004 were 8.5-12.0 out of 30 points and the subjects in 2002 and 2004 scored significantly higher on stress level than the subjects in 2001 did (p < 0.00. The mean scores of dietary attitudes were 58.7-66.6 out of 100 points, most of the subjects are belonged to the 'fair' group in terms of dietary habits level. The stress level had a negative correlation with dietary habits (p < 0.001). About 1/3 of the subjects, the intake of calcium, vitamin $B_2$, vitamin A and iron were less than 75% of Korean RDA, whereas more than half of the subject, protein, vitamin C and phosphorus intake were more than 125% of RDA, and intake ratio of Ca and P showed an unbalance of 1 : 2. The animal protein intake was higher than the plant protein, whereas the animal vitamin A and iron intake were lower than vegetable food source. In 2001-2004, the index of nutritional quality (INQ) of vitamin $B_2$ and niacin was 0.56-0.98, and in 2003, the INQs of vitamin $B_2$ was 0.56, and that of niacin was 0.67, which was extremely low when compared to that of the other nutrients. Therefore, nutritional education is necessary if female university students are to practice optimal nutrition, including well-balanced diets of high nutritional quality.

• Women's Health Nursing
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• v.4 no.1
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• pp.47-66
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• 1998

The purpose of this study is to investigate the relationship between menopausal symptoms and spiritual well-being. In order to collect the research data, 350 questionaries were sent to the middle aged women who were 40-59 years old. During the collection period, March 20, 1977-April 20, 1977, 264 questionaries were collected. The questionnaire was prepared by using other researchers' scale, such as menopausal symptom scale by Neugarton and spiritual well-being scale by Paloutzian & Ellison. The research data were analyzed by various testable methods, such as frequency, t-test or ANOVA, and Pearson's correlation. The main results of this study were as follows ; Among the general characteristic variables, some variables have statistical significancy in explaining the difference of the menopausal symptoms. Such variables include age(F=5.17, p=0.002), years get married(F=4.23, p=0.002), number of children(F=3.08, p=0.028), income level of family(F=3.07, p=0.017), life style at leisure time(F=2.47, p=0.045). Some variables related to health condition could explain the differences of the menopausal symptoms among middle aged women. current menstruation stage(F=9.82, p=0.000), current health condition(F=9.82, p=0.000), and experience being operated in the past(F=9.82, p=0.000) are related to the menopausal symptoms. Serious menopausal symptoms which could be found in this study were 'back pain and joint pains(2.6)', nervousness(2.4), and psychosomatic symptom(1.97). Spiritual well-being inquiries could be classified into two subgroups, existential and religious. The mean score of existential well-being(3.04) was higher than that of religious well-being(2.76). Relatively higher existential well-being(3.10) was found in the women who have stable menstruation cycle. The age when the menopause began was related to spiritual well-being(F=3.29, p=0.046). The correlation between menopausal symptoms and spiritual well-being was statistically significant(r=-0.133, p=0.031). Based on the above results, nursing intervention program of menopausal symptoms is recommended in order to promote the health of middle-aged women.

• Cross-Cultural Studies
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• v.29
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• pp.287-314
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• 2012

This article examines the problems with some words used in "Chinese novel Kam Pin Mui"that are presented in"the Great Chinese-Korean dictionary". The author analyses the problems into three aspects: first, error correction in meaning interpretation; second, supplementary correction in meaning interpretation; and third, additional error correction. The main points of the study are presented in the following. First, in relation to the error correction in meaning interpretation, this study finds out that the explanations of "Liezi", "daxuanmo", "kedui", "shaojian" in the "Great Chinese-Korean dictionary"are incorrect. The cases involve the explanations that have no foundation, do not get to the points, and have narrow meaning interpretations compared with original meanings. Second, as for the supplementary correction, this study points out that the explanations of "yiri", "jiaosa", "buxi", "langhu" are not sufficient. Thus, this study claims that the following meanings for each case should be added, including "long time," "abdominal pains during pregnancy," "a type of folk performing arts without stages in local areas of China, and "to devour in greedy gulps." Third, with respect to the additional error correction, this study analyses "the typos of the examples," "the setup of inaccurate meaning items," "the front-to-back arrangement of the examples," and "inconsistency between meaning interpretations and examples" displayed in the dictionary. The error correction in the dictionary can be possible only if the findings from several other disciplines should be incorporated, involving cultural history, the history of literature, philology, grammatology, linguistics, etc. It seems impossible for a person to solve all the problems with the errors in the dictionary. Thus, it will be greatly helpful to the author and the people who prepare for the new edition of "the Great Chinese-Korean dictionary" if we can get continuous supports and comments from relating scholars of other disciplines. As a result, all these efforts will contribute to the academic progress for the relevant disciplines and these academic activities may develop a new area of the study.

• Korean Journal of Social Welfare Studies
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• v.47 no.4
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• pp.121-150
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• 2016

This study is to examine how a person's sense is changing in the process of gambling addiction and recovery. For this purpose, the ten of gambling abstinences were purposefully selected for intensive depth interviews. The data collected by thess interviews were analysed by Giorgi's(1970; 1985) phenomenological method. Meaningful units were categorized into 18 'emerging themes', and integrated by the total of 6 'essential themes' considering the interrelations of the emerging themes. Major findings of the study are as follows. Firstly, participants of this study lost their general senses in the addiction process by focusing on specific senses such as seeing and hearing. Secondly, participants have begun to regain the lost senses in the process of recovery, even though going through the 'pains of withdrawal'. Thirdly, the participants' experiences of recovery could be summarized as 'a recovery process of the general senses lost by gambling'. Based upon these findings, some suggestions for helping practice were proposed such as 'provision of informations about senses', 'program development of sense stimulation', and 'application of sense recovery training'.

• Korean Security Journal
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• no.56
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• pp.55-81
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• 2018

The purpose of this study is to find significant activities in human resource management (HRM) to solve growing-pains caused by the rapid external growth in private security business. To this end, we applied the HRM factors suggested by the National Job Capability Standard (NCS) to the private security and investigated the relative importance using the Analytic Hierarchy Process (AHP). The results were as follows. First, the importance of 4 HRM criteria in the private security was ranked in order of recruitment, operation, benefit, and retirement. Particularly, the relative importance of recruitment reached 63.8%. Second, the composite importance was calculated by dividing the 4 HRM criteria into 14 capability sub-criteria and 46 capability alternatives. As a result, personnel planning and hiring at the recruitment turned out as the areas that needed the most improvement. In addition, the operating and planning of education involved in the highest rank, 8th and 10th respectively. Based on these results, we suggested critical HRM factors for developing the private security business as well as proposed research directions and methods for further studies.

• The Journal of Korean Obstetrics and Gynecology
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• v.30 no.3
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• pp.40-53
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• 2017

Objectives: This study aims to analyze the current status of hospitalized patients and effects of Korean medical treatment after gynecological surgery. Methods: We analyzed the medical records of patients admitted to our hospital from January 2015 to May 2017 and categorized the pre-operative and post-operative contents. We performed statistical analysis using SPSS ver.20 for the patients' pains among symptoms. Results: Among total 87, patients 82.8% had hysterectomy. The most cause of the surgery were adenomyosis. The average duration of hospitalization was $10.4{\pm}5.7days$ and all patients were treated with acupuncture. Gami-sibjeon-tang was used most frequently. Among the symptoms that occurred after the operation, abdominal pain, low back pain, pelvic pain were in the order of pain and statistically significant decrease in the mean NRS score. In the symptoms of system, general weakness, insomnia, digestive disorder were in the order of the frequency and were improved respectively. Conclusion: We were able to find out the effectiveness of post-operative Korean medical treatment through hospitalized patients. More data collection and systematic research designs are needed.