딥러닝 기반 정선부표 수온분포 데이터 결측치 대체 방법 연구

권정국,박사은,김기훈 대한산업공학회 2023 대한산업공학회 추계학술대회논문집 Vol.2023 No.11

Heart-base Tumors in Three Yorkshire Terriers

권정국,정우조,장주원,김영일,정대원,정석영,정진영 한국임상수의학회 2014 한국임상수의학회지 Vol.31 No.4

Three Yorkshire Terriers (12-year-old, 13-year-old, and 15-year-old castrated males) with respiratory distress,coughing and anorexia were the subjects of this report. In laboratory examinations, there were no remarkable findings. However, the thoracic radiographic findings included a large mass of soft tissue density in the cardiac base region,tracheal elevation, and aortic bulging in all three Yorkshire Terriers. There were no remarkable findings in the abdominalradiographs. In echocardiography, a homogeneous hyperechoic mass around the aorta and bicuspid valve regurgitationwere found in all three dogs. There were no remarkable findings in abdominal ultrasonography. Computed tomographicfindings showed a large well -defined heterogeneous mass in the cranial vena cava, which was dominant in the leftside in all three Yorkshire Terriers. The mass sizes were about 3 × 4 cm. In post-contrast scanning, contrast enhancementwas evident. These cases were diagnosed as heart-base tumor. Treatments provided to the three dogs were based onsymptomatic medical management of cardiac failure and tracheal collapse. Case 1 (12-year-old) survived for 3 months,case 2 (13-year-old) for 5 months, and case 3 (15-year-old) for 32 months after the diagnosis. Our results show thatthe clinical findings, thoracic radiography, echocardiography, computed tomography (CT) and symptomatic medicalmanagement in dogs suspected to have heart base tumor.

이더넷 위상 변환과 성능 분석

권정국,백의현,이동길,이상호 한국정보과학회 2003 정보과학회 컴퓨팅의 실제 논문지 Vol.12 No.4

The conversion into a new Local Area Network (LAN) environment without clear analysis of the problems with the conventional LAN environment nay bring about some improvement of performance, but in general, the result would not be as good as expected. Besides, in case new traffic or application programs are added In the near future, traffic overload similar to the past may incur. Therefore, the conversion into a new LAN environment should not only relieve the problems with the conventional environment but also be able to cope with future expansion of the network flexibly. In the present paper, in view of the above, the problems with protocols and traffic that may occur in the Bus-structured 10/100 Mbps shared Ethernet that has been widely used by many institutions are reviewed, and as a case study whether such conversion into a new LAN environment in order to increase the efficiency in the operation, management, and utilization of the network would be proper for the actual operational environment is implemented, and the results are analyzed. 기존 Local Area Network(1.AN) 환경의 문제점을 명확히 분석하지 않은 상태에서 새로운 LAN 환경으로의 변환은 성능 향상은 다소 가져올 수 있으나 일반적으로 기대치 이하의 결과를 초래할 수도 있다. 또한 가까운 미래에 새로운 트래픽이나 응용 프로그램이 추가될 경우 기존과 유사한 트래픽 과다 현상을 유발할 수 있다. 따라서 LAN 환경의 변환은 기존 환경의 문제를 해소해야 함은 물론 미래의 망 확장에 유연하게 대처할 수 있도록 추진되어야 한다. 이 논문은 이러한 관점에서 현재 많은 기관에서 주로 사용중인 버스 구조의 10/100Mbps 공유 이더넷 상에서 발생하는 프로토콜과 트래픽의 문제점을 살펴보고, 망 운용 관리와 활용 측면에서 효율성을 높이기 위한 환경으로의 변환이 실제의 운용환경에서 적합한가를 사례를 들어 구현하고 그에 따른 결과를 분석하였다.

개의 비강 편평상피세포종의 컴퓨터단층촬영상의 특징

권정국,송경진,이기창,이희천,최민철 한국임상수의학회 2003 한국임상수의학회지 Vol.20 No.3

A female unknown aged Yorkshire terrier, weighing 3.5 kg with nasal discharge, left facial swelling and severe inflammation was referred to Veterinary Medical Teaching Hospital, Seoul National University. Radiographic findings were lytic change and soft tissue swelling of left zygomatic process and increased radiopacity of nasal cavity. In computed tomography, turbinate bone destruction was observed as well as lytic change of left zygomatic process and left maxilla indicating aggressive lesion. Then 3-dimensional reconstruction was also performed. Biopsy of tissue mass revealed it as squamous cell carcinoma. For this patient, euthanasia was performed guarded prognosis. Generally, tumors of the nasal cavity in dogs account for approximately 1 % to 2% of all neoplasms. The prevalence of these tumors increased with age and exposure to the ultraviolet. About two thirds of all nasal tumors are malignant tumors such as squamous cell carcinoma and adenocarcinoma. As these tumors of nasal cavity are locally invasive, and external beam radiotherapy is the current treatment of choice. Unfortunately, diagnosis of these tumors often occurs late in the course of disease, resulting in a poor prognosis for outcome in many patients. It is considered that computed tomography could be used as an aid modality for the exact evaluation of extend and degree of bone lysis of nasal cavity and metastasis.

이학적 검사상 장요인대 증후군으로 진단된 환자에 대한 침과 추나치료 치험 2례

권정국,박재원,박서현,금동호,Kwon, Jeong-Gook,Park, Jae-Won,Park, Seo-Hyun,Keum, Dong-Ho 척추신경추나의학회 2016 척추신경추나의학회지 Vol.11 No.1

Objectives : The objective of this study is to report the improvement of two patients with Iliolumbar ligament syndrome showed a physical examination positive. Methods : Two patients were treated by acupuncture therapy with chuna therapy at pelvic. We evaluated the effectiveness by numerical rating scale (NRS) and Oswestry Disability Index(ODI). Results : Both patients improved significantly NRS score and ODI score. And both patients' symptoms were alleviated. Iliolumbar ligament stress test was changed from positive to negative. Conclusions : We conclude that acupuncture therapy with chuna therapy at pelvic is an effective treatment to reduce the iliolumbar ligament originated pain. But there is a limit on this study due to sufficient number of cases. Further studies will be needed.

운동 선수들의 흡연에 관한 연구

김창림,권정국 대전대학교 기초과학연구소 1998 自然科學 Vol.9 No.1

본 연구는 경기성적의 향상을 위한 컨디션 조정에는 식사, 수면, 생활시간의 배분 등을 비롯한 많은 인자가 영향을 주고 있으며, 흡연습관도 그 중의 중요한 인자라고 생각할 수 있다. 여기서 이번 T시내의 T, C, H, M대학교 운동선수의 흡연습관을 중점으로 생활습관도 조사하여 아래와 같은 결과를 얻었다. (1) 운동선수의 흡연율은 약 70%로 나타났다. (2) 흡연의 좋은 점에 관해서는 "기분 전환이 된다."(67.8%), "침착해진다."(21.1%), "잠이 깬다." (7.8%) 등 세 가지에 집중되었다. (3) 흡연의 나쁜 점은 "건강을 해친다."(35.4%)가 가장 많고, 다음으로 "체력이 떨어진다"(33.6%) 순이다. (4) 비흡연자의 담배를 피우지 않는 이유는 "건강에 나쁘다."(40.0%)가 가장 많고, "운동에 지장이 있다."(30.3%), "담배가 싫다."(10.0%) 등이다. (5) 이번 조사의 대상자중 52.2%가 선수생활에 있어서 흡연의 영향에 대해서 "지구력이 없어진다."고 회답하고 있으며, 흡연은 선수생활에 악영향을 미친다고 알고 있었다. (6) 식사나 수면에 관해서는 흡연자나 비흡연자 모두 큰 차이 없었다. 종목별 비교에서도 종목간에의 차이는 없었다. (7) 식사지수는 농구, 배구, 체조 등은 낮고, 펜싱, 검도, 복싱은 높고, 이외 종목은 중간 정도 수치를 표시 했다. This study has been done to find the smoking habits of the players to affect the play, Many factors such as meals, sleeping, and division of the living time are affecting the condition control to improve the results of the games. Here, we surveyed the smoking habits of the players in the universities (T, C, H, & M univ.) in the players in the T-city, and got the results as follows. 1. The smoking rate of the players is percents. 2. As for the useful things of smoking are "be refreshed himself"(67.8%), "be calm"(21.1%), "wake from sleep"(7.8%). 3. As for the harmful things of smoking are "do harm for the health"(35.4%) is the highest and then "decease physical strength"(33.6%). 4. The reasons why he does not smoke are "not good for health"(40.0%), "have trouble to play"(30.0%), "do not like smoking"(10.0%). 5. About the question of effect of smoking to the players, 52.2 percents of the models of this survey answered "decrease endurance power" and also think that smoking has a bad influence on the players. 6. About the meals and sleeping, there is no difference between smokers and non-smokers, between the sports events. 7. An index of the meals of basket ball, volley ball and gymnastics is low that of fencing, kumdo, boxing is high, and others are middle.

이더넷 위상 변환과 성능 분석

권정국(Jeong-Gook Kwon),백의현(Eui Hyun Paik),이동길(DongGill Lee),이상호(Sangho Lee) 한국정보과학회 2003 정보과학회 컴퓨팅의 실제 논문지 Vol.9 No.1

기존 Local Area Network(LAN) 환경의 문제점을 명확히 분석하지 않은 상태에서 새로운 LAN 환경으로의 변환은 성능 향상은 다소 가져올 수 있으나 일반적으로 기대치 이하의 결과를 초래할 수도 있다. 또한 가까운 미래에 새로운 트래픽이나 응용 프로그램이 추가될 경우 기존과 유사한 트래픽 과다 현상을 유발할 수 있다. 따라서 LAN 환경의 변환은 기존 환경의 문제를 해소해야 함은 물론 미래의 망 확장에 유연하게 대처할 수 있도록 추진되어야 한다. 이 논문은 이러한 관점에서 현재 많은 기관에서 주로 사용중인 버스 구조의 10/100Mbps 공유 이더넷 상에서 발생하는 프로토콜과 트래픽의 문제점을 살펴보고, 망 운용.관리와 활용 측면에서 효율성을 높이기 위한 환경으로의 변환이 실제의 운용환경에서 적합한가를 사례를 들어 구현하고 그에 따른 결과를 분석하였다. The conversion into a new Local Area Network (LAN) environment without clear analysis of the problems with the conventional LAN environment may bring about some improvement of performance, but in general, the result would not be as good as expected. Besides, in case newtraffic or application programs are added in the near future, traffic overload similar to the past may incur. Therefore, the conversion into a new LAN environment should not only relieve the problemswith the conventional environment but also be able to cope with future expansion of the network flexibly. In the present paper, in view of the above, the problems with protocols and traffic that may occur in the Bus-structured 10/100 Mbps shared Ethernet that has been widely used by many institutions are reviewed, and as a case study whether such conversion into a new LAN environment in order to increase the efficiency in the operation, management, and utilization of the network would be proper for the actual operational environment is implemented, and the results are analyzed.

여자 정구선수의 단식경기 분석

권정국(Jeong-Kook Kwon),김헌수(Hun-Soo Kim) 한국체육과학회 1999 한국체육과학회지 Vol.8 No.1

수입에 따른 스포츠 시장 유형간의 상관

권정국(Jeong-Kook Kown) 한국체육과학회 1999 한국체육과학회지 Vol.8 No.1

경침 자가 운동 프로그램을 병행한 침 치료가 경추 만곡도와 심부 굴곡근 근력 변화에 미치는 영향

권정국 ( Jeonggook Kwon ),금동호 ( Dongho Keum ) 대한한의학회 한방재활의학과학회 2017 한방재활의학과학회지 Vol.27 No.1

Objectives This study was designed to identify the effect of acupuncture combined with wooden neck pillow self-exercise program (WSP). Methods 25 eligible subjects with chronic neck pain were recruited from September 2015 to August 2016. Subjects were treated by acupuncture twice a week for 4 weeks, also were educated WSP and exercised every day for 4 weeks. They were assessed using PI-NRS, NDI and the maximum muscle strength of deep cervical flexor muscles (DCF) before and after treatment. Also the Cobb`s angle (C1-C7), Ishihara index, Park method were assessed for evaluating the radiographical changes. Variables were compared using paired t-test. And correlates analysis was used for analyzing relationship between differentials in the maximum muscle strength of DCF and differentials in cervical spine curvature measurement methods. Results Among the 25 subjects, 4 subjects were lost to follow-up or excluded in accordance with the criteria. Significant differences on NRS, NDI and the maximum muscle strength of DCF were seen after treatment (p<0.001). In radiological finding, cervical spine curvature measurement methods were significantly increased (p<0.001, p<0.05, p <0.05). Differentials in the maximum muscle strength of DCF significantly correlates to differentials in Ishihara index (R=0.479, p<0.05). Conclusions Acupuncture combined with WSP may decrease neck pain intensity and associated disability, and also increase the muscle strength of DCF and cervical lordosis, in patients with chronic neck pain. Especially, Improving the muscle strength of DCF has a relationship with improving Ishihara index. However, due to the design of this study, this treatment can not be compared with other treatments. Future randomized project should be needed. (J Korean Med Rehabil 2017;27(1):37-51)