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장준호(Joon Ho Jang),이윤지(YoonJi Lee),이정현(Jung Hyun Lee),오진희(Jin Hee Oh),김종현(Jong Hyun Kim),유일한(Il Han Yoo) 대한소아신경학회 2018 대한소아신경학회지 Vol.26 No.3
Seizure is a temporary symptom or sign which is caused by an abnormal electrical stimulation of brain. Depending on whether a seizure has preceding factors or not, it can be further categorized into provoked and unprovoked seizure. In provoked seizure, it is important to find a cause for treatment. In this study, we would like to report a case of a 6 year-old male child with seizure caused by organophosphate poisoning. The patient s chief complaint was his decreased mental status accompanying seizure. Initially, status epilepticus was suspected but the response to anticonvulsants was not good, and resulted in prolonged respiratory failure. After 3 hours, the patient showed signs of cholinergic crisis. In response, atropine was administered and the condition improved. If respiratory failure or mental confusion persists even after cessation of seizure in status epilepticus, repetitive physical and neurological examinations should be carried out to find preceding factors. Even though the recent incidence of organophosphate poisoning has decreased, we would like to emphasize from our study that it should be considered as a preceding factor for seizure.
장준호(Joon-Ho Jang),정윤원(Yun-Won Chung) 한국정보기술학회 2016 한국정보기술학회논문지 Vol.14 No.11
Recently, works on extracting influencer by analyzing big data generated from social network service and using it to risk management, marketing, and social phenomena analysis are carried out actively. In this paper, schemes on effectively collecting big data generated from social network service are proposed. Then, follower reaction index is defined as a weighted sum of likes, replies, and shares on posts by a specific user, and influencer is extracted by using the follower reaction index. Finally, the superiority of the proposed influencer extraction scheme is validated by quantitative comparison with real-time issue keyword of portal sites and qualitative comparison by applying natural language processing based unstructured text keyword analysis methodology.
고집적 반도체 미세회로의 세정을 위한 Nano Spray 조건 최적화
임평호(Pyoung-Ho Lim),손근(Keun-Sohn),이상호(Sang-Ho Lee),장준호(Joon-Ho Jang),김형준(Hyung-Joon Kim) 대한기계학회 2011 대한기계학회 춘추학술대회 Vol.2011 No.10
It was investigated that nano size particles on 20nm scale pattern wafer were efficiently removed by using jet spray cleaning. In this study, deionized water and SC1 were sprayed on pattern wafer surfaces and nitrogen gas was used as carrier gas. The particle removal efficiency was evaluated by the spray height, a number of scanning, acceleration times of nozzle at wafer edge area and a kind of chemistry such as deionized water and SC1. Only deionized water was able to remove particles without surface damages but the superior particle removal was performed at sequential spray of deionized and SC1. At higher nozzle position than 45nm, slow movement on wafer edge area and at least 7 times scanning were required to get high particle removal efficiency.
안드로이드 리모콘으로 제어하는 3차원 LED 디스플레이
허경용(Gyeongyong Heo),장준호(Joon-Ho Jang) 한국컴퓨터정보학회 2013 한국컴퓨터정보학회 학술발표논문집 Vol.21 No.2
본 논문에서는 기존 전광판의 문제점을 보안할 수 있는 방법의 하나로 3차원 LED 디스플레이와 이를 제어할 수 있는 안드로이드 앱을 제안하고 구현하였다. 2차원 매트릭스 방식을 사용하고 있는 현재의 전광판을 3차원으로 확장함으로써 다양한 정보 전달이 가능하며 제어를 위해 별도의 하드웨어를 사용하지 않고 안드로이드 앱으로 블루투스 통신을 통해 제어함으로써 간편하면서도 확장이 용이한 제어 구조를 가질 수 있다.
스터드 볼트로 연결된 RC 기둥-철골 보 접합부의 유한요소해석에 관한 연구
최병정 ( Choi Byong Jeong ),한흥수 ( Han Hong Soo ),문효진 ( Moon Hyo Jin ),장준호 ( Jang Joon Ho ),강철규 ( Kang Cheol Kyu ) 한국구조물진단유지관리공학회 2007 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.11 No.2
Recently, the importance of the headed stud bolts are ever increasing in the connection design for the composite structures. In the paper, the strain results acquired from the finite element analysis were discussed for the observation of damage pattern. The FEM model showed that the final cone failures occurred in the concrete. The headed stud bolts in the top were not failed, conclusively, the equation ACI 349-97 was the conservative estimation compare to the one of the PCI Handbook 6th Edition.