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A Study on the Safety of Electromagnetic Wave of Medical Imaging System (의료영상장치의 전자파 안전에 대한 연구)

  • Seon, Jong-Ryul;Lee, Won-Jeong;Rhim, Jae-Dong
    • Journal of the Korea Safety Management & Science
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    • v.12 no.4
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    • pp.67-72
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    • 2010
  • This study was done to provide basic data on the safety of professionals in medical imaging system by measuring the electromagnetic waves generated in the medical imaging system being used in medical organization. The studied medical imaging systems were general X-ray system, computed tomography(CT), ultrasonographic(USG) system, magnetic resonance imaging(MRI), PET-CT and fluoroscopic(R/F) system, and through these devices, electric field and magnetic field were measured and analyzed. As a result of the analysis, the measured values classified by the medical organizations were not much significant, but in the measurement by the medical imaging systems, there were high hazard elements in the sequential order of electric field PET-CT($17.7{\pm}22.9$)v/m, CT($10.3{\pm}8.7$)v/m, general X-ray system($8.8{\pm}8.8$)v/m, magnetic field general X-ray system($5.06{\pm}8.26$)mG, CT($2.71{\pm}4.53$)mG and PET-CT($0.74{\pm}0.34$)mG, the systems that adopted X-ray as main ray source, and the more aged the medical imaging systems, the greater the effects of electro-magnetic waves($10.6{\pm}15.93v/m$ for 5 years or more, $6.14{\pm}5.60v/m$ for 5 years or less). The effects of electromagnetic waves on medical imaging systems or facilities were not much when the notification of ministry of knowledge economy is considered, but in the overall perspective considering all the equipments and facility of the medical organization, such effects were significant. It is determined that sustainable safety managements of electric field and magnetic field must be done during process from medical imaging system installation to maintenance to rule out such factors.

Research on the Image Projection of Platform Screen X (스크린 X 영상 투영 방식의 특징 연구)

  • Shan, Xinyi;Chung, Jean-Hun
    • Journal of Digital Convergence
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    • v.15 no.12
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    • pp.503-508
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    • 2017
  • Screen X is one of the Premium Large-Format platforms. Screen X projects images and video along the side wall of the theatre that go in synch with the front main screen. It's a different way of immersing the audience. This technique demands film-makers taking the two new "screens" into account when making movies. Screen X is the most obvious feature of viewing content with a range of 270 degrees. Viewers can view the experience of viewing experiences beyond the frame of screen screens by allowing viewers to experience the experience beyond the frame of screen screens, which means screen X can immerse the audiences without 3D glasses. Based on the results of this study, studies of content specifications and how they fit in the screen X are studied, and goals for maximizing the visual effects of the visual effects are studied. Looking forward to future research paper researchers and industry professionals who will benefit from future research papers.

A plan for the Development of Chinese Game Industry -Curriculum Suggestions for Training Professionals in Chinese Universities (중국 게임 산업의 발전을 위한 전문 인력 양성 방안 -중국내 대학의 게임 전문 인력 양성 커리큘럼 제안)

  • Shuai, Zheng;Lee, Dong-Lyeor
    • Journal of Digital Convergence
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    • v.18 no.3
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    • pp.325-332
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    • 2020
  • Most of the games developed or marketed in the Chinese game market are developed and serviced in foreign countries or are produced in Korea (China) and marketed as services of foreign game companies. If China wants to become the world's game development powerhouse, I think that professional education in multiple methods is the top priority. In particular, I think that a specialized game design department is necessary at a university in China. In this paper, we investigate the game design departments of universities in the United States and the game development powers in South Korea and the Korean game development powers to analyze the educational system of the game design department. Through comparative analysis, a Chinese university finds the necessary elements when establishing a new game design department, and trains advanced game developers in the game field at the Chinese Department of Digital Media Arts. If this study is helpful to the game education in China, it will be studied in the future for the master's program and the doctoral program.

A Study on Enhanced Plans of Audio-visual Records Management and Transfer (시청각기록물의 이관 및 관리 개선방안에 관한 연구)

  • Kwon, Jeong Ah;Lee, Je Hyeok;Jin, Sung Sik
    • Journal of Korean Society of Archives and Records Management
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    • v.11 no.2
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    • pp.121-142
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    • 2011
  • The amount of audio-visual records production is growing rapidly and its formats are various. However, the audio-visual records are hardly managed and transferred. There are four different problems for checking how to transfer and manage audio-visual records of the central government: production and register, management and utilization, transfer, and dedicated program management. For solving these problems, the study proposes the development of process tools for audio-visual records, such as dedicated processes and S/W; the standardization of audio-visual records' management; the changes of audio-visual records officer's recognition; the need to educate dedicated audio-visual records managers; the recruitment of professionals dedicated to audio-visual records in the National Archives of Korea. Additionally, it is necessary to make an effort into practical use and preservation of audio-visual records.

Analyzing the Current Practice of the Home-Delivered Meal (HDM) Service Program for Homebound Elderly (재가노인을 위한 식사배달서비스 제공기관의 실태분석)

  • 양일선;정현영;이해영;채인숙
    • Korean Journal of Community Nutrition
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    • v.8 no.5
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    • pp.736-743
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    • 2003
  • The purpose of this study was to research the current home delivered meal (HDM) service programs for seniors living in the community. Fifty seven centers which operated a HDM service program were surveyed with respect to their administrative structure, menu management, food purchasing and production management, hygiene and equipment and facility. -Statistical data analyses were completed using the SAS 8.1 program for descriptive analysis and t-test. The results showed that 55 percent of the study group were from 70 to 79 years old. All of the participants received free HDM. As a result of the meal cost analysis, the meal cost at 56.1% of the HDM service centers was from ₩2,000 to ₩2,499 per meal. A total of 68.4% of the HDM service centers were operated without the services of a dietitian. According to the menu analysis, all nutrients except Vitamin B2 were at levels of more than 33% of the Recommended Dietary Allowances for Koreans. Although 96.6% of the HDM service centers required a therapeutic diet menu for the health of the elderly recipients, 68% of the directors responded that they could not afford to serve therapeutic meal. Food purchasing, menu planning and other foodservice management processes were handled by non-professionals, such as volunteers, cooks or social workers. Forty two percent of the HDM service centers never used standard recipes. For determining portion sizes, 75.4% of the HDM service centers depended on personal experience. Finally, the current HDM service programs for the homebound elderly were not operated systematically. It is suggested that professionally trained personnel should be included among the staff members to provide a more effective HDM service. The HDM service programs should be supported financially and systematically by the government.

A Study on Developing Specialized Textbook Libraries for the Benefit of Research and Education (교육·연구의 활성화를 위한 교과서전문도서관 발전방향 모색에 관한 연구)

  • Noh, Younghee;Choi, Won-Tae;Yun, Dayoung
    • Journal of the Korean BIBLIA Society for library and Information Science
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    • v.26 no.2
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    • pp.25-51
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    • 2015
  • The specialized textbook library provides resources for textbook publishers and textbook development professionals as well as others in related fields who are committed to the educational development of our country. The textbook library also supports research and education among the faculty and students. But, when examining the reality of the textbook specialized library, analysis concludes that it faces various problems such as state-supported operating budget shortfalls, weakness of public infrastructure, difficulty in collection of textbook-related data, and lack of inter-linked library systems. Thus, this study determined the development direction of the textbook specialized library through the process of literature analysis, case studies, and reflection of expert opinions. In this study, a long-term policy direction of the building and operating of textbook specialized libraries has been proposed as follows: organizing and operating a textbook specialized library, collecting and creating a list of textbook-related information resources, creating information strategy, and constructing specialized content for the textbook specialized library.

A Study on the Relationship among Health Promotion Activity, Value' Placed on Self, and Locus of Control (건강증진행위, 자아가치감 및 통제위와의 관계연구)

  • Lim Nan Young
    • Journal of Korean Public Health Nursing
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    • v.4 no.1
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    • pp.17-23
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    • 1990
  • The purpose of this study were l) to provide information useful in developing an individualized health promotion program, 2) to test the correlations among the level of locus of control, health promotion activities and value placed on self. 3) to assess the factors of health promotion activities and value placed on self. The level of locus of control was measured by Walston/Walston's scales. The levels of health promotion activities and value placed on self were measured by Pender/Pender's scales. The sample consist of 122 female students in a University in Seoul. Their mean ages were 21. The results are summarized as follows; 1. Hypothesis 1 : The higher the score of internal health locus of control, the higher the score of health promotion activities was supported. 2. Hypothesis 2 : The higher the score of value placed on self, the higher the score of health promotion activites was supported. 3. Hypothesis 3 : The higher the score of value placed on self, the higher the score of internal health locus of control was supported. 4. The highest score of the factors of health promotion activities is nutritional practice$(14.976\pm.907)$ and the lowest score is self care$(1l.930\pm1.169).$ In conclusion, several implications for nursing emerge from the theory and research behind the locus of control concept. First, scales to measure locus of control may be useful in evaluating health education programs. Second, it may be adventageous to screen individuals using a health locus of control scale before placement into a treatment program that matches their needs. Third, health professionals may want to train individuals to become more internals appear more likely to engage in positive health behaviors.

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The Perceptions and Needs Teachers, Principals and Educational Specialists on the Curriculum Implementation of Technology and Home Economics ("기술.가정" 교과 운영에 대한 교사, 학교장, 교육 전문직의 인식과 요구)

  • 곽노선;조재순
    • Journal of the Korean Home Economics Association
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    • v.40 no.7
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    • pp.127-140
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    • 2002
  • The goal of the study is to find the necessary measures to facilitate a desirable Technology and Home Economics curriculum by reflecting the perception and needs of the teachers, principals, educational specialists from the perspective of the curriculum content, professionalism of the teacher, realistic operations of the school, and the administration of the school system. The research was executed through mail surveys to nationwide junior high school technology teachers, home education leachers, principals and to educational specialists. The results obtained from the research are as follows. 1) The integration of Technology and Home Economics was perceived to lessen the burden of students. However the background knowledge and characteristics of the two curriculums are different, and in addition there is a negative perception due to the fact that it is hard to facilitate a class with just one teacher, 2) The issues that were most serious to teachers, principals and education specialists were professionalism of the teacher, qualification of the teachers, and teaching method. 3) In regards to qualifications of the teacher, the teachers requested that teachers should have single qualification in'Technology(or Home Economics)'. The principals were of the similar opinion but the educational professionals wanted dual qualification for both'Technology'and'Home Economics'. As for teaching methodology all 3 groups responded that from the teacher and student perspective the teaching should be divided whereas from the school's perspective the responsibility should be put on a single teacher. 4) Teachers responded that from the perspective of the teacher, parent or student Technology and Home Economics should be separated into taro subjects. On the other hand the principals and educational specialists agreed that from their own perspective Technology and Home Economics should remain an integrated subject and the teaching should be done by one teacher but replied that from the student or parent perspective division of responsibility in teaching would be appropriate.

The Direction of Public Rental Apartment Supported by Community Service Viewed from the Livable Community - A Qualitative Comparison Study on the Rental Apartment in Seoul and ST. Paul - (살기 좋은 지역 만들기 관점에서 본 생활지원서비스와 연계한 공공 임대아파트의 방향 - 서울 SH공사 아파트와 미국 세인트폴 시 PHA 아파트의 질적 연구 -)

  • Shin, Kyung-Joo;Jang, Sang-Ock
    • Journal of the Korean housing association
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    • v.18 no.6
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    • pp.25-34
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    • 2007
  • The purpose of this qualitative research is to compare the community service and situation of SH apartment in Yangcheon-Gu and PHA apartment in Minnesota in order to grasp the requirement for livable community. For the study, depth-interview method was used to collect the data. Throughout this research, we found the ways to create a livable community as follows: Rental apartments are supplied by Seoul Housing agency in Korea while in US by PHA, an independent government agency. Both of them are in direct management. There are five main topics to be discussed. First, as a main supplier of services, it is Yangchun-Gu's social welfare center in Korea, while PHA in US. Second, as a mean of giving services, Korean residents visit the welfare center. On the other hand, PHA apartments enforces service-to-customer policies. Third, as a Korean service, they are consultation targeting families, children, teenagers, disabled, olds, education, medical examinations, rehabilitation and free meals. In US PHA apartments, they are medical health professionals, social worker, beauty salon or barber shop, bus to shopping area, bookmobile, OK card program, CHSP, ASI, ALP, personal care, senior/congregate dinning and etc. Fourth, both Korean and US have same hindrance for the 'livable community' policies which is funding and conflict of residents. Fifth, both Korean and US think that the key for the success of 'livable community' are resources, service and residents. The differences between Korea and US concerning service conditions such as supply of rental apartments, management and services are caused by cultural, ethnic and economical differences. From another point of view, Korean apartments are predicted to have similar problems like PHA apartments, and preparative attitude for this is needed.

The Relationship between Sleep Pattern, Eating Habit, and the Perceived Skin Health among Female Adults (여성의 수면습관 및 식습관과 지각된 피부건강 간의 관계)

  • Yang, Mi-Young;Suh, Kyung-Hyun
    • Korean Journal of Health Education and Promotion
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    • v.26 no.4
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    • pp.11-22
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    • 2009
  • Objectives: The researchers investigated the relationship between sleep pattern (circadian rhythm/sleep deprivation), eating habit, and the perceived skin condition of female adults, in orders to provide valuable information to women who want to maintain healthy skin and professionals in health promotion. Methods: The participants were 297 female adults whose ages ranged from 20 to 60 (M=35.14, SD=10.37). The questionnaires and psychological tests used in this research included the following: Circadian Rhythm Questionnaire, Sleep Deprivation Scale, Eating Habit Questionnaire, Skin Condition Questionnaire, Scale for Perceived Skin Health. Results: Results indicated that evening type women had more fatty skin and felt their skins less healthier than morning type. Although women who did not deprived their sleep had more fatty and sensitive skin and felt their skins less healthier than women who deprived their sleep, sleep deprivation was positively related to the morningness, and the morningness was negatively related to the preference of fatty and spicy foods. Only the preference of fatty foods among eating habit was positively related to the fatty and sensitive skin, and negatively to the perceived skin health. Regression analyses with circadian rhythm and the preference of fatty foods revealed that only circadian rhythm was significant predictor for the fatty skin, while the preference of fatty foods was only significant predictor for the sensitive skin and the perceived skin health. And, circadian rhythm and the preference of fatty foods accounted for around 12.0% variance of the fatty skin. Conclusion: This study reiterates the roles of fatty foods on skin health, and found the role of circadian rhythm on skin health, and it is needed to explore the relationship between sleep deprivation and skin condition further. These results may provide useful information for health practitioners.