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김영표,백종현,김철만,김우식,Kim, Young Pyo,Baek, Jong Hyun,Kim, Cheol Man,Kim, Woo Sik 한국압력기기공학회 2009 한국압력기기공학회 논문집 Vol.5 No.2
The dominant incidents category for onshore and offshore natural gas transmission pipelines in the world is associated with outside forces. Incidents in the outside forces category embrace acts of nature, which typically cause widespread structural damage, as well as act of man, whose effects tend to cause dents and/or gouges localized at point of contact that are referred to as mechanical damage. Therefore, these damage types must be better addressed to avoid unnecessary and costly repairs and the possibility of catastrophic events. First of all, the characterizing features of mechanical damage in gas pipelines were evaluated by using of excavator or boring machine. There is no reliable method for evaluating the safe operating pressure of pipeline affected by mechanical damage. It is especially important to evaluate the remaining strength of damaged pipelines due to outside force. Therefore, the full scale burst tests were conducted to evaluate the remaining strength of pipe with mechanical damage that combines a dent and a gouge. This paper is supposed to provide information that will assist in developing a criterion to assess serviceability in pipelines with mechanical damage.
전파정류방식의 고전압발생장치를 이용한 X선 기기의 특성 평가
김영표,김태곤,이호식,박용필,천민우,Kim, Young-Pyo,Kim, Tae-Gon,Lee, Ho-Shik,Park, Yong-Pil,Cheon, Min-Woo 한국전기전자재료학회 2009 전기전자재료학회논문지 Vol.22 No.6
X-ray system which is usefully used in diagnosis of the patient, being bombed of radioactivity is a big weak point when irradiates a X-ray to the human body so that ICRP restricted the radiation exposure tolerance of the human body. In order to reduce being bombed, the many research and development is now advanced. A lots of diagnostic X-ray machines have currently used due to the increase of occurrence efficiency of X-ray and precisely the output control by using the inverter which is a high speed switching semiconductors. For getting the confidence of the X-ray machine, the same radiation occurrence, same evaluation, and same irradiation condition are necessary when evaluates X-ray irradiation. It is the most important part for the accuracy of the test result and the patient safety. This research has produced the high voltage occurrence system of full-wave rectification method by using the LC resonance inverter, and evaluated the irradiation reproducibility in order to use it in diagnosis of the patient.
인버터방식의 고전압 발생장치를 이용한 의료용 X선 기기의 특성평가
김영표,천민우,박용필,Kim, Young-Pyo,Cheon, Min-Woo,Park, Yong-Pil 한국전기전자재료학회 2011 전기전자재료학회논문지 Vol.24 No.1
Medical X-ray has been brought many changes according to the rapid development of high technology. Especially, for high-voltage generator which is the most important in X-ray generation the traditional way is to use high-voltage electric transformers primarily. However, since it is large and heavy and the ripple rate of DC high-voltage applied to X-ray tube is too big, it has a disadvantage of low X-ray production efficiency. To solve these problems, the studies about high-voltage power supply are now proceeding. At present, the high-voltage generator that generates high-voltage by making high frequency using inverter control circuit consisting of semiconductor device is mainly used. High-voltage generator using inverter has advantages in the diagnosis using X-ray including high performance with short-term use, miniaturization of power supply and ripple reduction. In this study, the X-ray high-voltage device with inverter type using pulse width modulation scheme to the control of tube voltage and tube current was designed and produced. For performance evaluation of produced device, the control signal analysis, irradiation dose change and beam quality depending on the load variation of tube voltage and tube current were evaluated.
2012 강릉ICCN세계무형문화축전의 경제파급효과 연구
김영표(Young Pyo Kim),정욱영(Ug Yeong Jeong) 한국관광연구학회 2013 관광연구저널 Vol.27 No.3
This paper analyzes the economic effects of 2012 ICCN Gangneung Festival, using 2005 regional input -output table published by the Bank of Korea. Economic impacts are estimated by tourists` consumption and local government`s expenditures, internal and external region effects. To assume the number of tourists`, 10 field surveyors were deployed during the festival. Main findings are the followings. First, tourists` consumption is 17 billion won in total. Second, total effects of expenditure on the whole region are 28.5 billion won in production, 14 billion won in value -added, 4.6 billion won in income, and 399 persons in employment respectively. These results support a strong evidence on 2012 ICCN Festival`s big contributions to both Gangneung and other local economies.
전방십자인대 재건술 후 재활 운동프로그램이 근기능에 미치는 영향
김영표(Young Pyo Kim),현광석(Kwang Suk Hyun) 한국사회체육학회 2004 한국사회체육학회지 Vol.0 No.21
The purpose of this study was to identify effects of an aquatic therapy swimming program and isokinetic training on patients with anterior cruciate ligament injuries. All of the participants registered for the program in the rehabilitation center, obtained physicians`s permissions to participated, and completed required registration forms. 18 participants were randomly assigned into three different treatment groups : an aquatic swimming program(N=6), a isokinetic training program(N=6), and a physical therapy group(N=6). All of the participants completed the exercises during one hour a day, three days a week for 12 weeks. The following results were found in this study : 1. In the peak torque % body weight of flexor and extensor at 60˚/sec, no significant difference was found among the three groups. There were progressively increases among the three groups on the involved side at 60˚/sec over training time, however, there was not found significant difference among the three groups on the uninvolved side at 60?sec over training time. The isokinetic training group showed a quick recovery from the muscle functions, followed by a aquatic swimming group, and a physical therapy group. 2. In the peak torque % body weight of flexor and extensor at 180˚/sec, no significant difference was found among the three groups. There were progressively increases among the three groups on the involved side at 180˚/sec over training time, however, there was not found significant difference among the three groups on the uninvolved side at 180˚/sec over training time. The isokinetic training group showed a quick recovery from the muscle functions, followed by a aquatic swimming group, and a physical therapy group. In summary, the study showed differences in the muscular functions of both involved and uninvolved sides among three groups by the treatment period. Although isokinetic training group showed a quick recovery from the muscular functions, followed by aquatic swimming group, and physical therapy group. These findings suggest that both aquatic swimming program and isokinetic training program are more effective interventions to the patients with anterior cruciate ligament injuries than physical therapy program.
수학적 보드게임이 경도 발달장애 성인의 연산 능력 및 수학적 성향에 미치는 효과
김영표(Kim Young Pyo),강종구(Kang Jong Gu) 한국장애인재활협회 2015 재활복지 Vol.19 No.4
이 연구에서는 장애성인에 대한 평생교육의 일환으로서 수학적 보드게임이 경도발달장애 성인의 연산 능력 및 수학적 성향에 어떠한 영향을 미치는지 알아보고자 하였다. 이를 위해 경도발달장애 성인 5명(지적장애 성인 4명, 자폐성장애 성인 1명)을 대상으로 수학적 보드게임을 사용한활동 프로그램을 실시하였다. 연구 결과는 다음과 같았다. 첫째, 보드게임이 경도발달장애 성인들의 연산 능력에 미치는 영향과 관련하여 참여자들의 연산 능력은 향상되었으며, 이러한 결과는 통계적으로도 유의하게 나타났다. 하지만 이러한 효과의 정도는 장애성인 개개인에 따라 상이하였다. 둘째, 보드게임이 경 도발달장애 성인들의 수학적 성향에 어떠한 영향을 미치는가와 관련하여 연구 참여자들의 수학적 성향이 통계적으로 유의하게 향상되지는 못하였다. 본 연구에서 나타난 결과들은 수학적 보드게임이 장애성인의 직업생활에 필요한 연산능력과 같은 수학적 능력을 향상시켜줄 수 있음을 보여주고 있다. 따라서 발달장애인들의 수학적 능력을 향상시키기 위해 보드게임의 효과 및 활용방안에 관한 후속연구가 요구된다. This study explored how mathematical board games, a kind of lifelong education, effect on computational ability and mathematical disposition of adults with developmental disabilities. For the purpose of this study, activities through mathematical board games were used towards adults with mild developmental disabilities(4 adults with intellectual disabilities and 1 adult with autism spectrum disorders). The result of this study is as follow: First, regarding how board games effect on computational ability on mild developmental disabilities, participants’ computational ability were improved and this result taook meaningful level in statistics. Second, regarding how board games effect on mathematical disposition on adults with mild developmental disabilities, participants’ mathematical disposition did not show meaningful level in statistics. The results of this study show that mathematical board games can improve mathematical abilities necessary for occupational living of adults with disabilities. Therefore, active usage methods of board games need to be prepared in order to improve mathematical abilities of people with developmental disabilities.
트레드밀 운동이 흰쥐 해마의 치상회에서 신경세포 생성에 미치는 영향
김영표(Young Pyo Kim),김현배(Hyun Bae Kim),김창주(Chang Ju Kim),윤진환(Jin Hwan Yoon),이계영(Gye Young Lee),김성수(Seong Soo Kim) 한국사회체육학회 2001 한국사회체육학회지 Vol.16 No.-
The effect of treadmill exercise on cell proliferation in the dentate gyros of the hippocampus was investigated via BrdU-specific immunohistochemistry. Male Sprague-Dawley rats were randomly divided into the three groups: the control group (n = 8), the low-intensity exercise group (n = 8), the moderate-intensity exercise group (n = 8). Animals of the exercise groups were put on running 5 days per week for 4 weeks. The regimen of the low-intensity exercise consisted with running at speed of 3 m/min for the first 5 min, 5 m/min for the next 5 min, then 8 m/min for the last 20 min, while the regimen for the moderate-intensity exercise was made with running at speed of 16 m/min for the first 5 min, 19 in/min for the next 5 min, then 22 m/min for the last 20 min. Single dose of 50 mg/kg 5-bromo-2`-deoxyuridine (BrdU) per day was injected intraperitoneally 1 hr before start of treadmill running during the commencement of the experiment. In the present results, weight gain of the rats in the moderate-intensity exercise group was significantly decreased compared to the control group and mild-intensity exercise group. The new cell formation was increased by the treadmill exercise. In the mild-intensity exercise group, BrdU-positive cells in the hippocampal dentate gyros was higher compared to the control group. In the moderate-exercise group, number of the BrdU-positive cells was increased compared to the control group and mild-intensity exercise group. In the present study, it can be suggested that treadmill exercise may facilitate recovery and regeneration from diseases of brain such as Alzheimer`s disease, Parkinson`s disease and injury such as that resulting from stroke by increase of new cell formation.