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스포츠 매니지먼트활동에서 매니저들의 책임 수행에 관한 연구
박준석,김정묵,정석현,조영웅,이영성 한국스포츠리서치 2004 한국 스포츠 리서치 Vol.15 No.1
Sport has taken a position as significant influence all over the world for a long time. These days, sport must exist with us in order to provide pleasure, so people have a tendency to expect it what happens to them. Therefore, a number of sport teams and competitions are able to stimulate people to be interested in sport. Sport event, information, equipment, and sport player management need systems which accompany with security and pleasure because the systematical managements establish security, and help sport players not to make an error that is a fountain of good quality game. Thus, sport players improve their ability, so the audience are willing to pay to see the game. In order to extend the power of sport influence, sport should be organized in terms of managing sport processes well. Unfortunately, the system of management for sport is not still adequate and organized in Korea. In other words, many materials must be sporadic, and newspapers or magazines have treated of sport management with fragmentary knowledge so far. Today, systematical management is essential to all segments of the sport industry, professional or amateur, school or club, private or government at any level community or individual. Hopefully, this research will be instructive as a starting point to derive a special quality of sport management which is suited to korea sport market by comparing to other management systems in order to formulate organized management industry.
배정원,이은숙,조민영,구범환,황정웅,김인선,박설희,이민재 고려대학교 의과대학 1998 고려대 의대 잡지 Vol.35 No.2
Breast cancer presents the third common malignancy in Korean women. The etiology of breast cancer involves very complex factors such as genetic, hormonal, and dietary. The peak age of Korean women's breast cancer is more earlier, about ten years, than western women. Extensive genetic analysis of breast cancer have been done trying to correlate these genetic alterations with the disease. p53 gene is a tumor suppressor gene. Mutations eliminating or altering the p53 protein function are the single most common genetic alteration in nearly all types of human cancers. The product of the p53 gene is hypothesized to maintain genomic stability by blocking cell replication or by initiating apoptosis after DNA damage. This study investigated to determine p53 gene mutations detected at the DNA level. Abnormalities of the p53 genes were examined in 27 primary freshed breast cancer tissues. Mutations in p53 exons 5-7 were identified in 2 of 27 cases(7%) using a polymerase chain reaction-single strand conformational polymorphism(PCR-SSCP) analysis: one is frameshift mutation which is the addition of c(gcc→Cgcc) at codon 159, exon 5, the other is missense mutation which substitutes tcc to tGc at codon 241, exon 7. In conclusion, mutant biology of p53 gene in Korean women's breast cancer is missense and frameshift. It is necessary to perform further study in mutation of other exons 2, 8, 9, and 11 of p53 gene.
실시간 시스템에서 빠른 문맥 전환을 위한 다중 레지스터 파일
김종웅,조정훈,Kim, Jong-Wung,Cho, Jeoung-Hun 대한임베디드공학회 2010 대한임베디드공학회논문지 Vol.5 No.3
Recently complexity of embedded software cause to be used real-time operating system (RTOS) to implement various functions in the embedded system. And also, according to requirement of complex functions in embedded systems, the number as well as complexity of tasks get increased continuously. In case that many tasks collaborated in a microprocessor, context switching time between tasks is a overhead waisting a CPU resource. Therefore the time of task context switching is an important factor that affects performance of RTOS. In this paper, we concentrate on the improvement of task context switch for reducing overhead and achieving fast response time in RTOS. To achieve these goal, we suggest multiple register files and task context switching algorithm. By reducing the context switch overhead, we try to ease scheduling and assure fast response times in multitasking environment. As a result, the context switch overhead decreased by 8~16% depend on the number of register files, and some task set which are not schedulable with single register file are schedulable due to that decrease with multiple register files.