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광섬유 집합체 센서를 이용한 6MV 광자선의 반음영 및 심부선량백분율 측정
신상훈,장경원,조동현,유욱재,서정기,이봉수,문주현,박병기 제주대학교 방사선응용과학연구소 2008 방사선응용과학연구소논문집 Vol.22 No.-
In this study, a fiber-optic bundle sensor has been developed using water-equivalent organic scintillating fibers for photon beam measurement. Beam penumbra and percent depth doses(PDD) are measured according to the depth of the photon beam. This sensor has many advantages such as high resolution, real-time measurement and ease of calibration over conventional radiation measurement devices.
신수정 忠北大學校 農業科學硏究所 2013 農業科學硏究 Vol.29 No.1
Morphological differences among pine trunk and roots located to different distance from ground level were broad transition from springwood to summerwood and rectangular structure to round-shaped cross section cell for deeper underground located root biomass. Chemical differences were higher xylan and lower mannose content to deeper underground than others. Higher extractives content in near ground root came from the protection of cutting cross section. Usually higher galactan content in near ground root originated from higher galactoglucomannan rather than glucomannan as major hemicelluloses.
지방자치단체의 관광이벤트사업에 대한 탐색적 연구 : 광주·전남지역을 중심으로 forcused on Gwangju city · Jeonnam province
정영이,이수범,신민자 慶熙大學校 觀光産業情報硏究院 2002 觀光産業情報論集 Vol.3 No.-
With the age of local autonomy, the tourism-event(festival) is actively utilized as the one of strategies to vitalize the region. So, the importance and effectiveness of the tourism-event has been revaluated, new tourism-event has been developed to maximize the effectiveness of local vitality, and the existent festival program has been reorganized for the better performance. The objective of this study were to examine the relationships of improving the image of local culture and vitalizing the local tourism business, and attracting tourist with the local development. The sample of the research was explored by local tourism-events such as "Yeongam WANG-IN Culture Festival", "Jindo Yeongdeung Festival", "Gangjin celadon Culture Festival", and "Gwangju Kimchi Festival" which were held in Gwangju·Jeonnam and were sponsored by the Korea National Tourism Organization. The results of this study may suggest useful management implications for tourism-event.
Inverted Maxillary Incisor의 치료
신수정,장영일,서정훈 대한치과교정학회 1993 대한치과교정학회지 Vol.23 No.1
Inverted maxillary incisor is that maxillary incisor rotates to the counterclockwise direction. The incisal margin and root apex of the impacted incisor is palpated at the mucobuccal fold near the labial frenum and on the palate among the rugae, respectively. Orthodontists confront ectopically erupting teeth in various locations. In the past, extraction of impacted teeth that deviated from their normal course of eruption had been performed indiscriminately. But, if it has not any clearcut contraindications, effeort should be made to achieve optimal esthetic results by conservative means, combining the skills of oral surgeon and orthodontist. The present provides an illustration of satisfactory correction of a inverted maxillary incisor with surgical intervention and many springs that correct the tooth axis. This technique provides the clinician with an additional means to avoid unnecessary extraction of inverted teeth in certain cases.
신성희,장정수,임용 조선대학교 2000 The Medical Journal of Chosun University Vol.25 No.2
본 연구를 통해 얻어진 연구결과를 요약하면 광주지방에서 분리된 황색포도상구균의 항생제 내성율은 AMXCCV, CPFX, CLM, EM, GM, OXAC, PCV, SXT, VM, CTX, IMPM에 대해 각각 61.0, 65.3, 50.0, 76.5, 76.6, 66.9, 96.7, 15.6, 0, 87.5, 95.5%로 조사되었다. 각각의 항생제에 대해 내성을 보이는 균과 감수성을 보이는 균으로 양분한 다음 다른 항생제들에 대한 감수성 정도를 조사한 결과에 의하면 각각의 항생제에 대해 내성을 보이는 균들은 감수성을 보이는 균들에 비해 다른 항생제에 대해서도 감수성이 낮았다. MRSA는 약 67%로 비교적 높은 비율로 분리되었으나 최근 5년 동안 비율이 크게 변화되지 않았다. MRSA는 사용한 항생제 중 SXT와 VM에 대해서만 높은 감수성을 보였을 뿐 효과가 있는 것으로 알려졌던 다른 항생제들에 대해서는 높은 내성율을 보였다. Objectives : The emergence of Staphylococcus aureus showing multi-drug resistance emphasizes the importance of the prudent use of antibiotics. To survey and obtain the basic information for reappraisal of practical usefulness, we investigated the profiles of antimicrobial resistance of S. aureus isolated recently in Gwangju area. Materials and Methods : S. aureus was isolated from community-hospitals in Gwangju and finally identified by coagulase test. The standard disc diffusion method was used for antimicrobial susceptibility test. Results : The resistance ratio of S. aureus against amoxicillin/clavulanic acid, ciprofloxacin, clindamycin, erythromycin, gentamicin, oxacillin, phenoxymethyl penicillin, trimethoprim/sulphamethoxazole, vancomycin, cefotaxime, and imipenem/cilastatin was 61.0, 65.3, 50.0, 76.5, 76.6, 66.9, 96.7, 15.6, 0, 87.5, and 95.5%, respectively. Resistant strains to each antibiotic were more resistant to the other antibiotics than susceptible strains. The ratio of oxacillin-resistant S. aureus (ORSA) in this area has not increased for recent five years. However, the resistance of ORSA against cefotaxime and ciprofloxacin has increased significantly. ORSA was still susceptible to trimethoprim/sulphamethoxazole (78.3%) and vancomycin (100%) Conclusion : These results offer the latest information about the antimicrobial resistance of S. aureus in Gwangju area and will be used hr reappraisal and selection of antibiotics effective against S. aureus.
멀티미디어 서비스에 적용 가능한 적응 변조 및 부호화 기법
신인식,오정훈,김영수,서덕영,김진상 경희-다반 ASIC 설계교육센터 2005 경희-다반 ASIC센터 논문집 Vol.6 No.-
적응 변조 기법은 통신 채널의 환경 변화에 따라 가장 적당한 변조기법을 선택하여 평균 전송 오류율을 정해진 값 이하로 유지하면서도 단일 변조 기법에 비해 더 많은 정보량을 전송하는 방법이다. 본 논문에서는 변조 기법을 선택하기 위한 스위칭 문턱 값을 최적화하여 실제적으로 전송 가능한 이론적인 최대 정보 전송량을 보장하는 기법을 채용한 적응변조 기법을 소개하고 그 성능을 단일 변조 기법 및 적응 변조 기법과 적응 부호화 기법을 사용했을 때의 성능을 비교 고찰한다.
Saccharomyces cerevisiae에서 Trichoderma Endoglucanase의 발현과 분비
남수완,김병우,신동하,김재범,신지원,정대균,정춘수 동의대학교 기초과학연구소 1999 基礎科學硏究論文集 Vol.9 No.1
The endoglucanase gene, egl6, of Trichoderma sp. was connected with the yeast ADH1 promoter, and the resultant plasmid, pVT-C4, was introduced into three S. cerevisiae host strains (YNN27, 2805, and SEY2102). Among each 80 transformants, the cell growth and expression level of endoglucanase were compared in test-tube cultivation, and three respective transformants for each host cells showing the highest expression level and cell growth were selected. When three recombinant yeast cells were batchwise cultivated for 48 hr in flask, the total activities of endoglucanase expressed were about 1140 unit/1 with 2805/pVT-C4, 1020 unit/l with SEY2102/pVT-C4, and 590 unit/l with (YNN27/pVT-C4. Irrespective of host strain, about 80% of the expressed endoglucanase was detected in the extracellular medium. In addition, it was also found that the recombinant enzyme was secreted into the culture medium as two major forms of lightly and heavily glycosylated proteins.
서수원,손정민,윤기영,최호정,박성준,이영원,정성목,신상태,조종기 忠南大學校 獸醫科大學 附設 動物醫科學硏究所 2006 動物醫科學硏究誌 Vol.14 No.-
A 12-year-old, female miniature pinscher dog with history of fever and vaginal discharge 3 days ago was referred to the Veterinary Medical Teaching Hospital of Chungnam National University. A diagnosis of pyometra was made by survey of abdominal radiographs and ultrasonography. The uterus appeared as convoluted and tubular appearance filled with anechoic to hypoechoic fluid. Ovariohysterectomy was the choice of cervical patency. Medical therapy for pyometra may be appropriate in bitches that were of breeding age and that were not systemically ill. The surgery was fine. After 1 week, the dog was getting better.
오정훈,신인식,김영수,서덕영,김진상 경희-다반 ASIC 설계교육센터 2005 경희-다반 ASIC센터 논문집 Vol.6 No.-
본 논문에서는 무선 멀티미디어 서비스를 위해 요구되는 고속의 데이터 전송에 적하한 Orthogonal frequency Division Multiplexing(OFDM) 모뎀을 Texas Instrument(TI)사의 범용 DSP 프로세서인 TMS320C6701을 기반으로 한 PCI/C6701 보드를 이용해서 소프트웨어로 설계하였다. 모듈은 크게 보드를 제어할 수 있는 타겟 프로그램과 호스트 프로그램으로 구성되며, 타겟 프로그렘은 IEEE 802.11a Wireless LAN 규격 시스템으로 이루어지고, 호스트 프로그램은 타겟 프로그램의 다운로드와 BSP 프로세서에 의해 처리된 데이터의 디스플레이 또는 저장으로 이루어진다.