• Journal of the Korean Institute of Rural Architecture
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• v.13 no.4
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• pp.17-24
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• 2011

This research is according to the a future-oriented strategy, low-carbon green growth, and it is a basic research for dissemination of rural housing standard plan. Through the survey of plans use, we look at ways to rural housing standard plan use and then needed to establish measures for this. Looking at the type of used plans, we can find several points. One of them, 19 kinds of rural housing standard plans were used among the 61 total cases. Almost all change the plan, the reasons is different for the condition of the land, such as site conditions, family members, personal preferences, house color or material. A few cases have been constructed as rural housing standard plans, but rural housing standard plans are important data for the rural resident to determine plans, and it has an important role in the rural housing design process. Common features of the many rural houses is concrete structure, two stories, and construction period is two to three months. Land area is $300m^2$ to $600m^2$, building area is $71m^2-110m^2$. Heating system is an oil boiler.

• Journal of the Korean Association of Geographic Information Studies
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• v.11 no.3
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• pp.183-192
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• 2008

The Purpose of this study is to find the land use condition and housing development of hillside areas in Busan metropolitan city. For this purpose, data of land use in more than meters above the sea level 80m are collected and analysed. The results of this study provide that 44.22% of the area of Busan hold more than meters above the sea level 80m and many aged buildings occupy the hillside areas. Moreover 30.13% of the redevelopment zone in housing redevelopment hold more than meters above the sea level 80m. In consequence, buildings of hillside areas should be maintained and it is necessary to make topographical adaptation plan. Based on these findings this study suggests that introduce the Conjoint Renewal Program.

• Journal of the Korean housing association
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• v.15 no.6
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• pp.1-13
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• 2004

As the provision of National Rental Housing has led the consciousness on rental housing changed, it becomes more necessary to improve the quality of rental housing. The purpose of this study is to analyze the inner space use of a unit and residents' consciousness on the results of surveying the residents in order to construct rental housing which provides comfort residental environment for the residents. Data was collected through questionnaire surveys(459 residents) from 5 estates including 3 estates of National Rental Housing and 2 estates of Public Rental Housing, which is $36m^{2}\;and\;45m^{2}$ of net area of a unit, for the actual use conditions and their requirements on the inner space of a unit. The results are as follows ; 1) The rental housing differentiated according to the needs from the residents' characteristics should be developed. 2) The main demand household for rental housing is established to that of 4 families including a 40s year-old couple and that of 3 or 4 families including a 30s year-old couple, and a double income family. But the type of household becomes more diverse than before. 3) It is necessary to plan the living room for the Multi-functional inner space emphasizing commom space 4) The various and efficient storage space and system for the residents' demands.

• Journal of the Korean Society of School Health
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• v.25 no.1
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• pp.22-30
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• 2012

Purpose: Purpose: The aim of this study was to identify the condition to use social networking service and mental health among nursing college students. Methods: In this study, 277 college students were selected by a convenience sampling method. Data were collected through personal interviews in the form of questionnaires from May 23 to 31, 2011 and analyzed using SPSS/PC Win 12.0 program. Results: The mean scores of SNS addiction and mental health were $1.34{\pm}0.30$and $2.25{\pm}0.39$. The SNS addiction of the nursing college students was significantly different according to the time of SNS and the reason of internet use. The mental health of the nursing college students significantly differed according to the method of SNS. The SNS addiction and mental health showed the significant negative relationship. The factors influencing mental health were SNS addiction score and method of SNS use. Conclusion: Therefore, it is necessary to offer controlling method of SNS use time a day for nursing college students through regular curriculum.

• Speech Sciences
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• v.12 no.4
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• pp.197-202
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• 2005

The cochlear implantation(CI) as an useful tool for aural rehabilitation in bilateral severe to profound hearing impairment. However, CI prefer to usually one ear in spite of bilateral hearing impaired. because of the various characteristics of hearing loss, the hearing conservation for the future possibility, and socioeconomic condition of hearing impaired person and their families. The unilateral CI has limitations such as a directional loss, a difficult speech understanding in noise and a neural plasticity. These limitations will be overcome by hearing aid(HA) which is familiar with hearing impairer. but HA fitting for bimodal-binaural hearing are difficult because the difference output characteristic of HA and CI. This study will be confirm realities of use of HA in unilateral cochlear implantee. For this goal, 25(m:f=10:15) child participated who are used to HA for 1 to 17 months. We had telephone interviews with their mother about use of HA, change of auditory performance and own voice. As the results, hearing threshold levels of unimplanted ear, the use of a appropriate HA, implanted and aided hearing threshold level(HTL) are must be considered for successful biomodal-binaural hearing. Especially, implanted and aided HTL should be very useful parameter for a prediction of HA effect and a criterion of selection for bilateral cochlear implantation.

• Journal of Home Health Care Nursing
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• v.20 no.1
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• pp.24-32
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• 2013

Purpose: This study aimed to clarify the characteristics of musculoskeletal problems in elderly Korean women and their actual and current use of dietary supplements by conducting a descriptive survey. Methods: The 1-month study began on April 3, 2012. A total of 150 elderly women from City D responded to the survey questionnaire used in this study. Results: Among the respondents, 55.3% used dietary supplements, although they had not consulted a physician for a definitive diagnosis of their condition but reported a self-perceived musculoskeletal problem instead. In addition, they engaged in healthy behaviors such as exercising and dietary supplement intake, without receiving any medical treatment. Compared with the nonusers, the dietary supplement users self-perceived a relatively more serious musculoskeletal problem (t =4.566, p<.001). Among the most commonly used supplements, multivitamins ranked first, followed by glucosamine and omega-3. Conclusion: Nurses should thoroughly monitor and maintain a positive attitude toward their patients' use of dietary supplements in order to appropriately educate them about the proper use of supplements.

• Journal of Families and Better Life
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• v.22 no.1
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• pp.139-151
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• 2004

The purposes of this study were to examine the time use on weekdays and weekends by the time amount of each activities and compare time amounts of single parent with that of two parents family. So two methods were applied, one was secondary data analysis ,the other was deep-interview. The major findings of analysis of time use were as follows; 1) Mothers in single parent family used significantly less time amount of household labor and family care than them in two parent family 2) Fathers in single parent family used significantly more time amount of household labor but used significantly less time amounts of family care than them in two parent family And 3) Mothers in single parent family used significantly more time amounts of household labor and family care than fathers in single parent family. The results of deep-interview were as follows; roughly the amounts of household labor time, family care time, leisure time were of little quantity and absence of spouse, family size, family life cycle stage, economic condition, sex role identity, psychological factor maybe seemed important.

• Journal of the Korean Home Economics Association
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• v.47 no.8
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• pp.13-24
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• 2009

This study investigated college students' time management behavior and time satisfaction according to the use of the time-matrix. Data were collected from 400 college students in Seoul by a self-administered questionnaire. Collected data were subjected to descriptive and comparative statistical analyses using the software SPSS(version 12.0). The conclusions of this study were as follows; 1. The use of time-matrix was categorized into 4 task groups: (1) not urgent but important, (2) urgent but notimportant, (3) neither urgent nor important, (4) urgent and important. 2. Time-management-behavior of planning was categorized into 3 components: standard setting, reality overlapping and implementing into 3 components(i.e., checking, adjusting, facilitating condition). 3. In all domains except overlapping, 'not urgent but importance' was the most popular managerial behavior. 4. However, 'neither urgent nor important' was voted the most popular in terms of managerial satisfaction. This study provides useful knowledge on managerial time-use categorization. Furthermore also contributes towards the knowledge base of time-managerial behaviors and dispels stereotypical-thinking that only bing busy all the time using is an indication of good time management behavior. Finally, this study advocates use of the time-matrix to achieve efficient time management.

• Restorative Dentistry and Endodontics
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• v.7 no.1
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• pp.65-69
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• 1981

This study was conducted to evaluate the cleansing effect of RC-Prep (10% Urea-peroxide, 15% EDTA) on apical third of root canal. Thirty single rooted human teeth were divided into three groups, and ten canals in each group were all enlarged three sizes greater than their original diameter with K-type files and irrigated with each of three irrigants. The three used irrigants were RC-prep (Premier Co.) in combination with 3.5% Sodium hypochlorite, Normal saline, 3.5% Na OCL. In each group, one of three irrigants were used in conjunction with instrumentation as they would be during clinical condition. After final irrigation, the canals were dried with paper points and the teeth were split longitudinally. The cleanness of canal walls iii the apical region were examined with Scanning Electron Microscope. The following results were drawn. 1. The use of Rc-Prep in combination with 3.5% NaOCl showed more clean canal surface than the use of other two irrigants. 2. The canals used RC-Prep in combination with 3.5% NaOCl revealed remnants of pulp tissue and smeared layer, but the openings of dentinal tubules were relatively clean and wide. 3. There was no significant difference in the debridement effect of 3.5% NaOCl and Saline solution. 4. The use of Saline solution showed great amount of remnants of pulp tissue which couldn't find in the use of 3.5% NaOCl.

• Journal of Korean Society on Water Environment
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• v.22 no.3
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• pp.437-443
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• 2006

The Water usage is relationship which is close with the administrative cost from industrial facility. It is not easy to reduce a water usage. This research is the optimization of the waste water quantity which process waste water integration of the standard thermal power plant in system operate time. The turbine rotates by force of the steam and it produces an electricity. Demineralization Water is manufacture purity manufacturing equipment and it is supplied in power plant channel. We knew a possibility of reducing from pure control process. When it is reduced the Back Washing time, Rinsing time of the gravity filter and the activated carbon filter. Also, It is possible even from regeneration phase in Condensate Polishing Demineralization System. In addition, There is also the water which the drain of the sampling water for watching the condition of power plant process will be able to use. Integrates these processes it will be able to reduce an annual 30,000 ton degree. The research is want to use the fundamental data for the water curtailment of the power plant.