교수-학습 지원을 위한 웹 에이전트(web agent)의 개발

강신천,한승록,박정환 한국컴퓨터교육학회 2003 컴퓨터교육학회 논문지 Vol.6 No.1

최근 에이전트를 교육에 활용하려는 연구와 노력이 시도되고 있다. 에이전트는 컴퓨터가 사용자를 대신하여 주어진 일을 수행하는 대행자(proxy)나 중개자(middle ware) 역할을 하는 컴퓨터 프로그램을 통칭하는 개념이다[1]. 근래에 다양한 장르에서 에이전트가 활용되고 있으며 교수·학습분야 역시 그러한 것 중의 하나에 해당된다. 웹 상에서 교사의 역할을 대신할 수 있는 프로그램이나 엔진의 개념이 교수·학습을 지원하는 웹 에이전트이다. 웹 상에서 에이전트는 교사의 역할을 수행할 뿐만 아니라 학습자를 도와 주는 도우미 역할을 수행한다. 웹 에이전트가 적용된 웹 기반 교수·학습 환경은 학습자나 교사에게 적응적이고 개별화된 환경을 제공한다. Recently there are many tries and researches for using web agent in education. The agent is a computer program as a common name which takes a role like a proxy or a middle ware for accomplishing the given something on behalf of user [1]. Lately the agent is being used in the various fields. The teaching and learning Is the one of those. It is the web agent that support the teaching and learning on the web. It has a concept of the program or the engine is able to do teachers roles on the behalf of him on the web. Not only the web agent is able to do teachers roles on the behalf of him, but also it is a helper that helps learners on the web. The web based teaching and learning environment has the web agent offers the personal and the adaptive information, interface, or contents.

자연 판막에 발생한 아스페르길루스 심내막염 1예

서정원,김진현,박완범,신정임,김대희,윤창환,김용진 대한내과학회 2003 대한내과학회지 Vol.65 No.6

아스페르길루스 심내막염은 드물지만 매우 불량한 예후를 보이는 질환이다. 최근 심장 수술, 면역 저하, 장기간의 항생제 사용, 약물 남용 및 후천성 면역 결핍증 등의 선행 요인과 연관되어 빈도가 증가하고 있는 추세이다. 국내 최초로 자연 판막에 발생한 아스페르길루스 심내막염을 심초음파 검사 및 수술 조직을 통해 진단하였고, 이에 대해 문헌 고찰과 함께 보고하는 바이다. Fungal endocarditis is a rare but poor-prognostic disease. It typically occurs in patients with several predisposing factors such as open heart surgery, long term venous catheterization, antibiotic therapy, intravenous drug abuse, hematologic malignancy and AIDS. We report a case of native endocarditis caused by Aspergillus fumigatus, which has not been reported as a causative organism of native valve endocarditis in Korea. A 47 year-old female patients without significant past medical history except pulmonary tuberculosis was admitted because of headache and neck pain. After admission, she developed high feve, new cardiac murmur and signs of multiple systemic embolization. Echocardiography revealed large mobile vegetations. Emergent mitral valve replacement was performed and Aspergillus fumigatus was isolated from the resected vegetation. Despite postoperative amphotericin B therapy, she died of subarachnoidal hemorrhage.

SPORTS 外傷에 關한 調査硏究 : Centering around 88 Olympic with representative player '88서울올림픽男子代表選手를 中心으로

盧日煥,姜忠植,金達永,金興植,朴贊弘,元忠熙,姜信一,金正洙,朴晶來,李哲遠,林鎬根 公州大學校스포츠科學硏究所 1988 스포츠科學硏究所論文集 Vol.- No.2

According to the investigation made by analyzing cause of the detail about sports injury. We make this things an object of all the male representative players 254 out of 286 (88.81%) that took part in the whole event from April 15, 1988 to September 16, 1988 in Seoul Olympic Games. The results are as follows. 1. The representative players in Korea started in the athlete life at age 13.1 on the average. Gymnast early started at age 8.4 and yachtist was later at age 18 in the athlete life. 2. There are about 5.7 cases on the outbreak of the sports trauma per person of player a year. This came into existence near the ankle at the high rate of damage formed 11.90%. 3. A sort of sports injury in analysis muscular bruise broke out at the highest rate of occurrence formed 15.70%. 4. The greater part of representative players themselves the injury of trauma by massage (12.53%). Some of them undergo medical treatment to the specialist hospital once a year on the average. Most of hockey players have had experience in this kind of injury treatment three times one year to per person of players. A few of them showed 0.15 times per person a year. 5. Most of representative players have been periodically to the orthopedist formed 27.59 (732) out of all 2653 cases at the high rate of fact. Especially a sort of injury in analysis, the injury of ankle region showed the percentage 11.86 (704) out of all 5,937 cases at the highest rate. 6. The period of medical treatment of the representative players in Korea came out about 14.7 days. Besides period of the other player's treatment came out mostly from one to five days formed 44.82%(935 cases) 7. Manyof them have been roughly treated with muscular bruise in analysis of sports injury. They were taking pains with muscular bruise formed 15.65% (1003) out of all 6408 case. 8. In major cause of sports injury came into existence during the training with waste of physical stamina formed 35.89% and were beyond their power with practicing the game formed 48.09%. Also, a sort of those were brought about the cause of sports injury with desire of outcome too much during in the game formed 44.20%

기관내 삽관이 어려웠던 폐동맥 sling을 동반한 기관협착 환아1예

염석란,신중호,신종환,이근,류일,현성열,진욱,김재광 대한응급의학회 2001 대한응급의학회지 Vol.12 No.4

Pulmonary arterial sling, a rare developmental vascular anomaly forms a sling around the distal trachea and the proximal right main bronchus, where it sometimes makes tracheo-bronchial stenosis. Tracheo-bronchial stenosis from pulmonary arterial sling may produce non-specific symptoms of stridor, noisy breathing, dyspnea, recurrent upper respiratory tract infection, chronic cough, and dysphagia. The diagnosis of this anomaly begins with a high index of suspicion because of the lack of pathognomonic finding on usual evaluation. In this case, initial difficult intubation makes us evaluate further. Other cases reported the diagnosis is established by imaging studies, usually MRI and angiography. But, when our case was evaluated, we used cervico-thoracic enhanced computered tomography and tracheal fluoroscopy. Up to now, tracheobronchial stenosis from vascular anomaly is a rare and challenging disorder with a poor prognosis. However, early exact diagnosis would make us perform the accurate surgical treatment and reduce the mortality and morbidity.

Oxantel/Pyrantel 合劑 및 Mebendazole에 依한 腸內線蟲類 驅蟲效果에 對한 比較實驗

金鍾煥,辛大煥,林定圭 충남대학교 의과대학 지역사회의학연구소 1978 충남의대잡지 Vol.5 No.1

A total of 63 subjects with multiple intestinal nematode infection: T. trichiura, A. lumbricoides, E. vermicularis and T. orientalis were treated with Oxantel/Pyrantel suspension and Mebendazole. The administration of Oxantel/Pyrantel suspension was 15mg/kg body weight in a single dose and Mebendazole was 600mg, divided by 100mg, twice daily for three consecutive days regardless of the body weight or ages. The results of present trials are summarized as follows: 1. The egg negative conversion rates for Oxantel/Pyrantel suspension were 100% in 20 cases of Ascariasis and in 3 cases of T. orientalis infection, and 92.3% in 26 cases of Enterobiasis. The egg reduction rate of T. trichiura was 84.8%. 2. The Mebendazole treated group showed the egg negative conversion rates of 100% in 27 cases of Ascariasis and one case of Trichostrongyliasis, 88.5% in 26 cases of Enterobiasis and 19.4% is 32 cases of Trichuriasis. The egg reduction rate of T. trichiura was 89.4%. 3. With the Oxantel/Pyrantel treated group, adult worms were found T. trichiura 1449 (average 45.3), A. lumbricoides 81 (av. 4.1) and E. vermicularis 249 (av. 9.6) worms. In Mebendazole treated group demonstrated the number of adult worms: 406(av. 13.1) of T. trichiura, 79 (av. 2.9) of A. lumbricoides and 134 (av. 5.2) of E. vermicularis, respectively. 4. Side effects of both Oxantel/Pyrantel and Mebendazole were few and mild.

비만을 동반한 위암 환자에서 두 병을 같이 수술 치료한 경험(증례)

최경현,윤기영,문형환,신연명,서경원,안수미,송윤미,석정희,정경연,이은하 고신대학교의과대학 2008 고신대학교 의과대학 학술지 Vol.23 No.3

Obesity is growing problem in Korea. We had a case of bariatric surgery during gastric cancer operation. Patient was 29 year old Korean lady with early gastric cancer located in the lesser curvature side of the middle 1/3 of the stomach. Her body weight was 89 kg, height 163 cm, and thus body mass index was 33.5 kg/m2. Preoperative blood pressure was 130/90 mmHg, hemoglobin 12.9 g/dL, total lymphocyte count 3,280/mL, serum albumin 4.3 g/dL, CEA 1.1 ng/mL, CA 19-9 9.1 ng/mL, and alpha fetoprotein 2 ng/mL. Another associated disease was right thyroid follicular neoplasm. The chest X-ray was normal. After IM injection of 2,500 units of heparin 30 minutes before the induction of general anesthesia, she received curative subtotal gastrectomy and Roux en Y gastrojejunostomy when a malabsorption loop of 120 cm jejunum was incorporated between the Treitz ligament and the end to side jejuno-jejunostmy site at May 29th 2006. Her postoperative course was uneventful except a minor wound seroma and the elevations of serum amylase(up to 4 folds) and lipase(up to 2 folds). She lost her body weight 9 kg in 5th, 21 kg in 7th, and 27 kg in 10th postoperative months to became 61.5 kg. On follow up exams in July 2008, she gained 4 kg to overcome her weakness and fatigue. From the above result, the incorporation of a malabsorption loop during reconstruction phase of gastric cancer operation was a good option for obese gastric cancer patients especially in cases of early gastric cancer.

관동맥 재개통 후 QTc간격분산의 감소 : 정량적으로 측정한 심근 허혈의 호전 정도와의 연관성 Relationships with the Quantitative Degree of Improvement in Myocardial Ischemia

박상선,최기준,남기병,이철환,홍멸기,박성욱,박승정,신중우,문대혁,김유호 대한순환기학회 2000 Korean Circulation Journal Vol.30 No.8

Catalytic Decomposition of Methane: Effect of Various Factors on Catalytic Properties

Shin, Hyun Chang,Kim, Hyun Jung,Yun, Dong Shin,Yoo, Jung Whan,Lee, Dong Jin,Lee, Seung Ho,Kang, Young Jin Trans Tech Publications, Ltd. 2007 Materials science forum Vol.544 No.-

<P>The effect of various reaction factors such as amount of Ni loaded, temperature, and variety of supports on the methane conversion were investigated to obtain higher methane conversion. The high activities were observed over Ni(10 wt%)/SiO2 catalyst and at 650oC of reaction temperature. Catalysts using mesoporous supports such as SiO2 and MCM-41 showed good catalytic activity and stability.</P>

Induction of Apoptosis by the Licochalcone E in Endothelial Cells via Modulation of NF-кB and Bcl-2 Family

( Hee Jung Chang ),( Goo Yoon ),( Jung Sun Park ),( Mi Ha Kim ),( Min Kyung Baek ),( Nam Ho Kim ),( Boo Ahn Shin ),( Bong Whan Ahn ),( Seung Hoon Cheon ),( Young Do Jung ) 전남대학교 약품개발연구소 2007 약품개발연구지 Vol.16 No.-

Measurement and Visualization of Doping Profile in Silicon Using Kelvin Probe Force Microscopy (KPFM)

( Hyun Jung Shin ),( Bong Ki Lee ),( Chan Hyung Kim ),( Hong Sik Park ),( Dong Ki Min ),( Ju Whan Jung ),( Seung Bum Hong ),( Sung Dong Kim ) 대한금속재료학회 ( 구 대한금속학회 ) 2005 ELECTRONIC MATERIALS LETTERS Vol.1 No.2

This paper demonstrates that Kelvin Probe Force Microscopy (KPFM) is applicable to the measurement of 2-D dopant profiles in silicon. By measuring contact potential differences, to the extent that this work-function difference is a consequence of dopant concentration at or near the sample surface, doping profiles are inferred from the measurement. Recently, scanning resistive probe microscopy (SRPM), a variant of SPM-based techniques, where a semiconductor resistor is located at the apex of the probe tip and surface charges can be observed directly, was proposed and developed. The spatial resolution of SRPM is dependent upon the size of the prepared resistor at the apex. The size of the resistor can be determined by the width (or channel) of the SiO2 implant mask, where both sides of the mask in a p-type silicon substrate were opened, implanted with As(+) ions, and diffused by an activation process at 1000℃ for 10 to 16 hours. Using KPFM, we investigated doping profiles of the area of the resistor or, equivalently, underneath the mask. As annealing time was increased from 10 to 16 hours, shrinkage of the width (or channel) due to out-diffusion of implanted ions occurred. As a result, the contact potential difference between implanted n(+) and p (Si substrate) regions, which is equal to the resistive region, was decreased by increasing diffusion time. In conclusion, we showed that barrier height is lowered in the resisitive region, similar to a punch-through effect in a bipolar junction. It was also demonstrated that KPFM is a useful tool for measuring two-dimensional dopant profiles with nanometer spatial resolution.