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골화석증 환자의 대퇴골 전자하부 골절 - 1예 보고 -
임영규,장종호,안옥균 대한골절학회 2000 대한골절학회지 Vol.13 No.4
Osteopetrosis (Albers-Schonberg's disease, Marble bones, and chalk bones) is a rare genetic disorder in which the bony structure throughout the body becomes dense and brittle. Because of the fragility of the pathologic bone, fractures are common and insufficient development of the bone marrow, optic atrophy, deafness, and facial paralysis can be developed to complications. We report a case of 35-year-old female with the autosomal dominant form of osteopetrosis combined with subtrochanteric fracture of femur that underwent surgical treatment.
임영규,유병욱,조용진,오정은,홍성호,조주연 순천향대학교 순천향의학연구소 2008 Journal of Soonchunhyang Medical Science Vol.14 No.1
Background: It is important to diagnostic aproach for the elderly which is not only disease but also functional assessment. this study aimed to find a factor related closely activities of daily living (ADL) which means minimal function necessary to independence for social activity. Method: This study was conducted using a questionaire survey, history taking and physical examination was done in 219 elderly patients over 65, who had visited either of 5 universities hospitals in the Kyoung-in and Chung-choung district from October 1999 to April 2003. A variety of factors being thought to be related to ADL was investigated by using the existing comprehensive geriatric assessment. this survey conducted the demographic and statistical characteristics, item related to health behavior, mini-nutritional assessment, geriatric depression scale, MMSE-K(Mini-Mental State Examination, Korean version)and social network scale etc. We selected the chi-square analysis, logistic regression analysis as the method of analysis. Result: The subjects consisted of 80 men and 139 women. According to the result of multi-variable quantities analysis, it was shown that the basic ADL had relation to age, nutritional assessment, spouse, cognitive function and social isolation and shown that the instrunmental ADL had relation to age, nutritional assessment and cognitive function. (P<0.05) Conclusion: The factors having a close relation to BADL of the elderly were age, nutritional assessment, spouse, cognitive function and social isolation, and the factors to IADL of the elderly were age, nutritional assessment and cognitive function.
FILE I/O 방법에 관한 개념과 I/O 성능 비교에 관한 연구
임영규 김천과학대학 2002 김천과학대학 논문집 Vol.28 No.-
In this paper, we show that file I/O with C language function method and performance each other over LINUX OS. We are making code that we needed with C language function and comparing performance each other. We known that the best method which introduce mapping of memory address from VA(virtual memory address) to PA(Physical memory address). Memory mapped I/O are very easy and fast apply in our application and up to the system performance. The user who developing application which needed FILE I/O can use this method. Memory mapped I/O is user friendly function and need to extend other system developing. For example socket, thread, pipe etc.
임영규,서희석,김희완 한국산업응용수학회 2005 Journal of the Korean Society for Industrial and A Vol.9 No.1-1
리녹스에서 사용하는 LSF(Linux Socket Filter)는 기본적으로 BPF(Berkely Packet Filter)를 사용하는 것이다. 그리고 모든 패킷이 NIC으로 전달되는 Promiscuous 모드와 달리 Non-Promiscuous 모드는 정해진 대상 NIC으로부터 오는 데이터만 받아들이는 기능을 제공한다. 이것은 상대적으로 NIC에 대한 부담을 감소시키는 결과를 가져온다. 사용자 수준에서 보안을 적용하기 위해 LSF를 사용하고 또한 인증 가능한 로컬로부터 오는 데이터만 인증 서버에서 받아들이기 위해 패킷 필터링을 적용하였다. 이런 결과로 외부 또는 내부 해커가 전송중인 패킷을 획득하여 재조립 하더라도 재사용 가능한 패턴을 생성할 수 없는 장점을 가진다. 또한 사용자 응용 수준에서 대부분의 프로그램들이 고정걸이의 패킷을 사용하며, 클라이언트에서 서버로 일방적으로 데이터를 전송하고 있는 단점을 제거하였다. 이것이 가변길이 패킷 전송이며, 서버가 클라이언트에게 전송할 패킷의 크기를 지정해 줌으로써 구현할 수 있다. 최종 수집된 데이터는 서버와 클라이언트간이 프로토콜을 상에 명시된 재조립 코드를 이용하여 서버측에서 사용함으로써 해킹방지 효과를 가져 올 수 있다.