Journal of the Korea Academia-Industrial cooperation Society
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v.11
no.7
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pp.2483-2490
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2010
The purpose of this study is to offer information on the more effective sports wear to club members, who are participating in badminton, by closely examining influence in lifestyle of participants in badminton upon the sportswear benefit sought. The subjects of this study were selected male and female adults, who are joining now by subscribing to badminton club in Gangwondo Province, as the population. It sampled totally 206 people by convenience sampling, and carried out frequency analysis, reliability & factor analysis, and multiple regression analysis by using SPSS/PC+ 11.0 Version. The conclusions of this study are as follows. First, it was indicated that there is correlation between lifestyle and sportswear benefit sought of participants in badminton. Second, it was indicated to have influence upon the ideal benefit sought, which is the sportswear benefit sought, in order of the fashion sought bandwagon and the social orientation, which are sub-factors of lifestyle. Third, it was indicated to have influence upon the fashion & brand benefit sought, which is the sportswear benefit sought, in order of the material sought, the fashion sought bandwagon, and the satisfaction with reality, which are sub-factors of lifestyle. Fourth, it was indicated to have influence upon the convenience benefit sought, which is the sportswear benefit sought, in order of the self-loyalty, the social orientation, the health sought, and the satisfaction with reality, which are sub-factors of lifestyle. Fifth, lifestyle was indicated to have influence upon the youth & individuality benefit sought in order of the fashion sought bandwagon, the material sought, and the social orientation. The sportswear product in the better quality will be able to be expected for sports activity, by which the subjects of participating in sports activity correctly grasp the sportswear benefit sought, based on these results.
Journal of the Korea Academia-Industrial cooperation Society
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v.11
no.3
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pp.1146-1152
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2010
The Korean healthcare industry is rapidly changing along with the competition among hospitals. In the past, hospitals could make profit without designing competitive management strategies. Thus, they did not find importance in listening to customers' voices and identifying their wants. However, nowadays, the increasingly intense competition is encouraging hospitals to seriously consider competitive management strategies and Customer Relationship Management (CRM) activities to gain a competitive advantage and prosper. It tries to compare the expected satisfaction with the satisfaction of out-patient and in-patient and analysis of VOC(Voice of Customer). This survey was done from 27th, April, 2009 to 8th May and each 100 in-patients and out-patients. The paired t-test and descriptive analysis was used to analysis between before and after satisfaction. The result, the replied out-patients were the highest of I.M department, 43% and in-patients, surgery and other department are the highest each 22.0%. Nurses kindness is statistical significant in out-patients. Doctor, Nurse and staff's kindness and rounding service was statistical significant in in-patients. Totally, the satisfaction was lower than expected satisfaction, so the medical care institutions should analyst detailed the patient's satisfaction by VOC.
Journal of the Korea Academia-Industrial cooperation Society
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v.11
no.7
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pp.2719-2726
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2010
The purpose of this study was to investigate the scientific basic grounds for the assessment of health and environmental diseases resulting from air pollutants in Pohang. For this study, we investigated pollutants, weather characteristics and concentration distribution of fine particles ($PM_10$) yearly and each season, using data from Air Quality Monitoring Stations. The properties of concentration distribution and seasonal fluctuation of $PM_10$ were studied qualitatively and quantitatively using CALPUFF, air dispersion model. The average concentration of $PM_10$ for each season was spring($75.7{\mu}g/m^3$)>summer($56.8{\mu}g/m^3$)>winter($53.6{\mu}g/m^3$)>fall( $52.7{\mu}g/m^3$). In the case of spring, high concentrations appear due to the Asian dust frequently occurring. The contributions of $PM_10$ classified by the types of pollution source in Pohang were point source 62%>mobile source 33%>area source 5%. An important point is that 97% of emissions were produced from the iron manufacture in steel industry. Therefore, it is necessary to control the emission sources of pollutants and to construct an observation system at Pohang steel industrial complex from now on. It’s time to control the risk factors for health and environmental disease to protect the health of resident in Pohang and its neighboring areas.
Journal of the Korea Academia-Industrial cooperation Society
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v.10
no.8
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pp.1802-1809
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2009
Abstract The typical distribution systems have the power flow from distribution substations (sources) to customers (load) only as one direction. However, in the case where distributed generations (DG) such as PV system and wind power systems are connected to distribution systems, the DG output variations to distribution systems, so called reverse power flow, may cause the bi-directional power flow. So, the reverse power flow has severe impacts on typical power system, for example power quality problems, protection coordination problems, and so on. Especially, protection devices (sectionalizer) in primary feeder of distribution system interconnected with distributed generations may cause problems of malfunction, and then many customers could have problems like an interruption. So, this paper presents the bi-directional operation algorithm of protection devices to overcome the problems like mal-function. And, also this paper shows the effectiveness of proposed method by using both PSCAD/EMTDC software and test facility of protection devices to simulate the field distribution systems.
Journal of the Korea Academia-Industrial cooperation Society
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v.11
no.7
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pp.2371-2385
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2010
What are the success factors of IT venture entrepreneur that through initial phase and enter to the growth phase ? Both the duration of jobless growth and the economic recession are worsening employment market. Entrepreneurship is be proposed to a method for creating jobs and reducing the economic gap. Research on Entrepreneurship and the support of government policy has already been operated for a long time ago. Research on growth and duration of the entrepreneur in initial phase, compared with growth phase are insignificant in quantity or quality. Therefore, this study researches essential factors about growth and duration of the entrepreneur in the initial phase through cases related them. entrepreneur of this subject are classified the hardware development group and the software development group associated with manufacturing characteristic funded existence. There is a research on evaluation factors about selection and result evaluation of selecting Entrepreneur. And this can be investigated by studying to Entrepreneur's growth and duration in initial phase. There are affecting factors about growth and duration of first step. And they are divided by internal, external, synthetic, and characteristic factors of growth phase. The result of this study is be used to develop pre-established educational program, consulting guidelines and establish support policy.
Journal of the Korea Academia-Industrial cooperation Society
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v.14
no.1
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pp.464-469
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2013
After city of Busan has been entered to the aging society in 2000, the city has the highest aging rate among 7 representative cities in 2011. Moreover, while entire population and number of average household are decreasing, over 65 years old of elderly population is rapidly increasing. So, it is possible to enter the super-aged society, where aging rate would be about 20% after 2020. The purpose of this study is that older housing-related analysis is consisted of dong-unit, and this led microscopic analysis has become necessary. Surveys from 2000 through 2010, census aggregate (output area) unit of spatial analysis was conducted. Take advantages of this, aging population and area, soaring area, high-density areas, such as the region of interest were primary extracted, and microscopic location and spatial distribution patterns were analyzed. Upon analysis, aging population is concentrated in the city and adjacent area, the highlands, and 10 years of increasing rate was more than 30 times in certain aggregate. Regarding the characteristic of these areas, the original city center, Busan, especially concentrated and intensified in aging population. Also, 2000 to 2010, the overall distribution pattern of Busan has identified aging population that is increasingly being distributed. This is the result, which is confronted with previous research result. Entering a super aged-society for the future is accordance with migration of social costs and improve the quality of life of elderly. And this could be the basic information to use the spatial dimension for the corresponding.
Journal of the Korea Academia-Industrial cooperation Society
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v.14
no.1
/
pp.206-213
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2013
This study aims at finding which change there is of oral health promotion as investigating the oral health status in quality, diagnosing which effects knowledge and attitude of oral health has before and after the oral health education as developing and conducting the oral health education program for international marriage migrant women to form their oral health belief for improving oral health. This study consisted of each 51 of the experimental group and the controlled group at the multi-cultural family support center from $26^{th}$ of March, 2012 to $30^{th}$ of June, 2012 as the subjects, and pre-to-post investigated knowledge of oral and cognition. Also as it took follow-up examination of the clients who visited to the dentist with changing of their cognition, conducted matched-pair sample t-test and analysis of repeated measure variance. As the result, there were always the changes at the field of knowledge about oral, periodontal disease and toothbrush in awareness of oral health, and at the field of periodontal disease, dental caries, toothbrush, fluorine and bad breath in knowledge of oral health. The change of DMFT index, DT index has been reduced and FT index has been increased. As the result above, the oral health education program for international marriage migrant women has led to change awareness of oral health and knowledge, and the change of knowledge has influenced to a behavior, so there were the changes of periodontal status and DMFT index as well. This has been showing the importance of the program for oral health of international marriage migrant women. Moreover, while the oral health education program is developed in various aspects by offering the information for developing the oral health education program in future, it needs to run parallel prevention with treatment.
Nowadays, transmission bandwidth for network traffic is increasing and the type is varied such as peer-to-peer (PZP), real-time video, and so on, because distributed computing environment is spread and various network-based applications are developed. However, as PZP traffic occupies much volume among Internet backbone traffics, transmission bandwidth and quality of service(QoS) of other network applications such as web, ftp, and real-time video cannot be guaranteed. In previous research, the port-based technique which checks well-known port number and the Deep Packet Inspection(DPI) technique which checks the payload of packets were suggested for solving the problem of the P2P traffics, however there were difficulties to apply those methods to detection of P2P traffics because P2P applications are not used well-known port number and payload of packets may be encrypted. A proposed algorithm for identifying P2P heavy traffics based on flow transport parameters and behavioral characteristics can solve the problem of the port-based technique and the DPI technique. The focus of this paper is to identify P2P heavy traffic flows rather than all P2P traffics. P2P traffics are consist of two steps i)searching the opposite peer which have some contents ii) downloading the contents from one or more peers. We define P2P flow patterns on these P2P applications' features and then implement the system to classify P2P heavy traffics.
Journal of the Korea institute for structural maintenance and inspection
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v.22
no.2
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pp.51-58
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2018
This study was a basic research for actual production of recycled aggregate concrete, and experiments were carried out on the change of water cement ratio and physical properties of recycled aggregate concrete with fixed slump. Results were as follows. Concrete using recycled aggregate were required increased water to maintain the target slump, and the recycled fine aggregate are necessary more increased water more than the recycled coarse aggregate. The replacement ratio of recycled fine aggregate be less than 60%, would be possible to obtain the air content volume that did not deviate from the concrete quality specification. The compressive strength of concrete using recycled aggregate decreased with increasing the replacement of recycled aggregate, and compressive strength decreased by 25% when 100% recycled fine aggregate were replaced. As a result of analyzing the correlation of compressive strength according to the mixing factors of concrete, it was found that replacement of recycled fine aggregate> water cement ratio> air content volume were influenced in order.
Journal of the Korea institute for structural maintenance and inspection
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v.22
no.2
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pp.68-75
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2018
In this study, to solve the problems of the conventional crack repair and injection method, high elasticity latex was used as the material of the storage tube to withstand the high pressure in the center part differently from the general port. When the repair solution was injected into the crack part, The TPS method was developed so that the air existing in the TPS can be discharged. In addition, a new infusion port in which a valve blocking the backflow of the remediation solution was installed at the injection port was developed and the physical characteristics of the port were analyzed. As a result of the evaluation, it was found that the filling rate of the remedial solution was improved compared to the existing ordinary injector method, and the cracks were completely filled in the test conditions. Compressive strength and tensile strength after repair showed about 20% decrease after repair in case of using ordinary injector method, while TPS method showed about 2~7% increase after repair. The results of this study showed that the injection port method using the elastic storage tube increased the injection performance and the quality after repair compared to the conventional injector method. The result of this study is expected to be utilized as the basic data for application and commercialization of the result to the practical structure.
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