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국내 평가 가이드 라인 제시를 위한 전동식 부항기의 특성 조사에 관한 연구
이승호,김은정,신경훈,남동우,강중원,이승덕,이혜정,이재동,김갑성,Yi, Seung-Ho,Kim, Eun-Jung,Shin, Kyung-Hoon,Nam, Dong-Woo,Kang, Jung-Won,Lee, Seung-Deok,Lee, Hye-Jung,Lee, Jae-Dong,Kim, Kap-Sung 대한침구의학회 2010 대한침구의학회지 Vol.27 No.1
Objectives : The mechanical properties of Korean electric cupping systems are studied via experimental measurements. The study aimed at establishing the fundamentals of industrialization and systemization of oriental medicine device industry, as well as improving the quality of life for many Koreans. Methods : We reviewed the studies on traditional cupping as well as modern one to fine necessary factors for electric cupping systems. To characterize the mechanical properties of Korean electric cupping systems, we measured the pressure characteristics of commercially available electric cupping system by using an automatic pressure acquisition system and a standard cup. The pumping capability was checked at 40 seconds, and the stability of the suction cup was checked at 600 seconds. We also acquired the noise level of each system in clinical setting. To check the portability of each system, we also measured its physical dimensions. We scrutinized system manuals provided by the system manufacturers. Results : It took less than 5 second to reach the pressure if the connection between the air hose and the vacuum valve of the cupping system was secure. Pressure diminished to no more than 10% for 600s for all systems. Noise levels were 55~70 dB. Increase in pressure was too fast to control for a designated vacuum level except for one product. Conclusions : The Pumping ability of the systems is impressive and reliable. Pressure retention ability of each cup is quite reliable and reproducible. Therefore, their mechanical performances were worthy of recommendation. Some of them had noise level higher than 60 dB and they were bothersome. It was also suggested that the control for low to middle pressure needed to be accomplished by the cupping system.
PC 인터페이스를 이용한 LCD 구동회로의 PLD 설계
이승호,이주현,Lee, Seung-Ho,Lee, Joo-Hyun 한국조명전기설비학회 2002 조명·전기설비학회논문지 Vol.16 No.1
본 논문에서는 PC 인터페이스를 이용하여 Gray Mode Graphic STN LCD를 구동하는 구동회로를 제안한다. 제안된 구동회로는 사용자가 PC상에서 작업한 이미지 데이터를 PC 인터페이스를 이용하여 LCD로 전송할 수가 있다. 따라서 기존의 방식과는 달리 마이크로프로세서를 사용하지 않기 때문에 사용자가 손쉽게 LCD를 구동할 수 있는 장점이 있다. 제안한 LCD 구동회로 부분은 schematic capture, AHDL, VHDL 등으로 설계하여 시뮬레이션을 수행하고 ALTERA 사의 EPM7192SQC160-15 PLD를 사용하여 구현하였다. PC 인터페이스 부분은 MS-Visual C++ 6.0으로 프로그래밍 하였다. 한편, 제안한 구동회로를 테스트 보드를 구성한 후에 하드웨어 동작 검증을 수행하여 그 효용성을 입증하였다. 본 논문에서 제안한 구동회로를 현재 시판중인 마이크로프로세서를 사용하는 타 업체의 구동회로와 비교한 결과는 구동회로의 작동 편이성, 제작시 소요되는 비용 등에서 우수함을 나타내었다. This paper presents a PLD design of Gray Mode Graphic STN LCD drive circuit using PC interface. The proposed LCD drive circuit doesn\`t use microprocessor for the convenience of users. Thus, the LCD drive circuit can transfer efficiently image data created under PC to LCD. The LCD drive circuit which is modelled in schematic capture, AHDL and VHDL is simulated in functionally through the use of ALTERA MAX+PLUS II. Also, timing simulation is performed by ALTERA EPM7192SQC160-15 PLD implementation. The PC interface part have been programmed in MS-Visual C++ 6.0. The validity and efficiency of the proposed LCD drive circuit have been verified by test board. After comparing this LCD drive circuit to specify it was verified that the developed LCD drive circuit showed good performances, such as convenience of users, low cost.
큰 두위를 주소로 내원하여 헌터 증후군으로 일찍 진단된 증례 1례
이승호,박우성,이영석,유지숙,Lee, Seung Ho,Park, Woo Sung,Lee, Young Seok,Yu, Jeesuk 대한유전성대사질환학회 2014 대한유전성대사질환학회지 Vol.14 No.2
A 25-month-old boy was referred to the hospital due to large head detected on routine physical examination. At visit, dysmorphic facial appearances, including broad nose, prominent forehead, and coarse face, were noted. Nasal obstruction with nasal voice, prominent adenoids, and bilateral middle ear effusions were detected. His abdomen was distended, and liver and spleen were palpated about 3 finger and 2 finger breadths, respectively. He was operated for bilateral inguinal hernias. The motion of both elbow joints was mildly limited on supination and pronation. Urinary level of glycosaminoglycan was elevated and the enzyme activity of iduronate sulfatase in leukocytes was decreased. The mutational analysis of the gene iduronate 2-sulfatase (IDS) revealed c.263G>A (p.Arg88His) mutation. His developmental scale showed delayed development and there was cardiac valvular involvement (tricuspid regurgitation and mitral valve prolapse). After the diagnosis of Hunter syndrome, enzyme replacement therapy started on a weekly basis without progression of any clinical features. Here we report a case of early diagnosed Hunter syndrome detected by large head on routine examination. Thus, it is important to associate Hunter syndrome in the patient with large head especially, if there is the history of bilateral inguinal hernia and prominent adenoids to increase the possibility of early diagnosis and treatment.