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김병길,윤덕진,박복렬 대한신장학회 1982 Kidney Research and Clinical Practice Vol.1 No.1
The authors observed 22 cases of acute renal failure in children who were admitted to Severance Hospital from Jan. 1978 till Dec. 1980 and the results were as follows. The acute renal failure was the highest incidence between the age of 6 and 10 years (10 cases out of all), most of whom had acute glomerulophrits and male was 3. 4 times as high as in female. The causes of acute renal failure were renal origin (13 cases) and prerenal origin (8 cases) and in type of diseases the acute poststreptococcal glomerulone- phritis was the most frequent cause (8 cases). Average duration of oliguria or anuria was 3 days (range 1-20 days), mean value of peak BUN level was 104 mg/dl (range 54-184 mg/dl) and took .3-10 days to recover. Two patients died and those who died or discharge against advise were considered as died,mortality rate was 27%. It was remarkable that two neonates whowere performed perittoneal dialysis on the 6th day and the 7th day after birth respectively were recovered from acute renal falue. Actute renal failure in children have more favorable outcome than in adults therefore early diagnosis and prompt treatment of consrevarive treatment and peritoneal dialysis should be performed.
씬클라이언트 컴퓨팅에서 스트리밍 미디어의 QoS를 보장하는 지능형 미디어 플레이어
김병길,이좌형,정인범,Kim, Byeong-Gil,Lee, Joa-Hyoung,Jung, In-Bum 한국정보처리학회 2005 정보처리학회논문지B Vol.12 No.5
한정된 자원을 보유하고 있는 씬클라이언트 환경 아래에서는 많은 연산량을 요구하는 MPEG 미디어의 복호화를 사용자에게 QoS를 보장되는 수준으로 동작시키기 어렵다. 이러한 문제점을 극복하기 위하여 미디어에 대한 복호화 연산은 중앙의 터미널 서버들의 자원을 이용하게 하고 씬클라이언트 쪽에서는 단지 화면 업데이트만 처리하는 방식들이 사용되어지고 있다. 그러나 제안된 기존의 방법들에서는 재생된 스트리밍 미디어의 화질이 열악한 형편이다. 더구나, 서버들에게 복호화의 전 과정을 부담시키므로 서버들이 적은 부하에도 쉽게 포화점에 도달하고 있다. 본 논문에서는 유선 및 무선 씬클라이언트 환경에서 화질의 열화가 발생되는 원인들을 규명한다. 분석된 기존 씬클라이언트 방법들의 문제점을 기반으로 미디어 화질의 질을 향상시키며 영상과 음성을 동기화를 맞추어 사용자들에게 QoS 가 보장되는 스트리밍 미디어 서비스를 제공하는 지능형 미디어 재생기를 제안한다. Due to the limited resources in thin-client and the large amount of computation for decoding MPEG media, it is not easy to support the QoS stream media to clients. To solve the problems, the terminal servers would be charged for decoding the MPEG media and thin-clients have a role to update only the changed areas in their screen. However, these previous approaches cause severely low video quality. In addition, since servers perform all procedures to decode MPEG media, they are easily saturated even under a small number of clients. In this paper, the sources of the low video duality are investigated in the previous thin-clients' solutions working in wireless and wired environments. From the detailed experiments, an intelligent media player is proposed to achieve the QoS streams by supporting both the enhanced video duality and the audio synchronized with video frames.