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RF 모듈을 활용한 노약자 및 장애인을 위한 무선 배변 경보기 정보통신 기술
양윤기(Yoon-Gi Yang),이용찬(Yong-Chan Lee),장희주(Hee-Joo Jang),호상현(Sang-Hyun Ho) 한국통신학회 2021 한국통신학회 학술대회논문집 Vol.2021 No.6
Changing diapers for the infants, disabled or elderly person is one of the disgusting and tedious tasks. Most of the people take much time to find the appropriate time for the changing diaper, that is, people frequently touching diaper to detect moisture or other biological materials extracted by infants or patients. To alleviate the labor associate with detecting diapers, we have introduced a novel automatic diaper detecting devices that can alert the guardians. The proposed device has a electric moisture sensing schemes which have much simple and low cost device. Also, the RF (radio frequency) device is attached to the sensing device, sending RF signal to the main receiver. Thus, with the main receivers, the guardians can detect the optimal time that the diapers should be changed. The main receivers are composed of very low cost 8-bit micro-processor
연구개발(R&D) 촉진을 위한 정부의 역할과 지원행정체제 구축방안에 관한 연구
류호상(柳鎬相) 경인행정학회 2002 한국정책연구 Vol.2 No.1
민간부문의 기술혁신을 지원하는 현 과학기술행정체제에는 많은 문제를 가지고 있다. 예를 들어 여러 행정 기관에 기능이 중복되어 있고, 조정역할도 미흡하다. 본 논문의 목적은 과학기술행정기관의 중복성을 해소하고. 과학기술정책의 효율적인 조정을 위한 행정시스템의 재구축이다. 이를 위해서는 각 부처의 역할과 임무를 분명히 해야 하고, 정책갈등이 있는 경우 이를 통합ㆍ조정할 수 있는 새로운 과학기술행정지원체제의 구축이 필요하다.
內視鏡檢査로 確診된 十二指腸 潰瘍에 對한 X線 二重造影檢査 結果의 臨床的 考察
柳浩相 고려대학교 의과대학 1986 고려대 의대 잡지 Vol.23 No.1
The author performed a comparative study according to location, stage, and form with upper gastrointestinal X-ray in endoscopically confirmed 625 duodenal ulcer-cases at gastroenterologic department of Hae-Wha Hospital, Korea University medical School from July 1980 to June 1985. The results were as follows: 1. In 623 duodenal ulcer-cases, X-ray revealed 51.4% in direct sign, 25.6% in indirect sign, and 23.0% in negative, and false negative rate was 17.3% and false positive rate was 33.5%. 2. In 625 duodenal ulcer-cases, negative findings in X-ray were 75.7% in pyloric ring, 19.4% in bulb, and 30.0% in postbulbar area, so false negative rate was high in pyloric ring and false positive rate was high in bulb. 3. In 568 bulb ulcer-cases, false negative rate was high in single ulcer than multiple ulcer and false negative rate in single ulcer was high in greater curvature. 4. False positive rate according to endoscopic ulcer-from in 568 bulb ulcer-cases was high in S₃ than S₁ and S₂ in single ulcer, and high in M₂ and M₃ than M₁ in multiple ulcer. From these findings, it is suggested that the decision of healing process is superior in endoscopy than X-ray, and false negative and false positive rate were different in ulcer location and form.
김호상 ( Ho Sang Kim ),조원호 ( Won Ho Cho ),허병익 ( Byeong Ik Hur ),강동완 ( Dong Wan Kang ),차승헌 ( Seung Heon Cha ),최창화 ( Chang Hwa Choi ) 대한뇌종양학회 2009 대한뇌종양학회지 Vol.8 No.2
Objective:Intracranial hemangioblastomas are benign vascular tumors arising either sporadically or as a manifestation of von Hippel-Lindau(VHL) disease. We analysed a series of patients with intracranial hemangioblastoma to review our strategy of treatment. Materials and Methods:Consecutive patients with intracranial hemangioblastoma who underwent surgery and then adjuvant therapy if needs, at our institute. Eighteen patients(14 female and 4 male patients) underwent 21 operations for removal of 19 intracranial hemangioblastoma(age at surgery 45±9.2 years, follow-up duration 37±8 months). Serial clinical examinations, imaging studies, and operative records were analyzed. Results:Twelve patients(66%) had sporadic hemangioblastomas. And six patients(34%) were von Hippel-Lindau disease. Symptoms and signs included headache(64.7%), dizziness(64.7%), gait disturbance(20%), and hydrocephalus(56%). Total resection rate was 71%(15/21). Six patients whose tumor were partially removed. Adjuvant radiosurgery was performed to 6 patients. Four patients of them were stabilized after radiosurgery. Two cystic hemangioblastoma cases were aggravated in the size of cystic portion, so revision were performed. Preoperative tumor embolization was performed in 2 cases. One VHL patient was expired due to pheochromocytoma. Conclusion:Symptoms and signs caused by intracranial hemangioblastoma can be treated safely and effectively with surgical resection. Radiosurgery may be adequate adjuvant therapy for remnant intracranial hemangioblastoma except cystic hemangioblastomas.
류호상,조경호 안성산업대학교 1994 論文集 Vol.26 No.-
People have suffered much inconvenience because the system of lan public announcement is dual : a cadastre system of the Executive and a registration system of the judicical authorities. This papers studies the registration process of land ownership transfer by dealing. It analyzes the subject unit, goal & time required of registration process activities using PERT technique and grasps problems of registration process. To reform current system it presents short-term reform measure by simplication of application papers and middle & long-term reform measure by using computer and the integration of land registration system. And it analyzes the effectiveness of reform measures.