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        혈관질환 정보관리 시스템

        김동익,김덕경,허세호,이병붕,김용신,김은숙,문지영,도영수,신성욱,김동수,김만태,진재욱,김용신 대한혈관외과학회 2002 Vascular Specialist International Vol.18 No.1

        As medical technology progresses rapidly, there is a rise in the average age along with the Korean dietary lifestyle becoming more westernized, which leads to an increase in the number of vascular disease patients in Korea. Thus, we need to manage the medical information of a disease systematically in order to diagnose and treat constructively. However, since there has been no standardized method of man agement to date, a great deal of information could not be properly utilized nor studied. Therefore, the departments of Cardiology, Radiology and Neurology of Samsung Seoul Hospital recently got together to develop an information management system called the Vascular Data System. This program was developed to be run on win98 O/S, upper Pentium Ⅲ, and upper 128 MB Memory, and its source code is Dephi 4.0. It was configured for the user to set the configurations as well as do a variety of search and analysis. If this program were to be updated continuously, it may be used extensively as well as in various parts of clinical research activities.

      • 北韓 「合營法」의 綜合的 批判

        申東秀 단국대학교 교육대학원 1985 敎育論叢 Vol.1 No.-

        The real objects of the NK's joint venture law are to supplement the present economic system so that the hireditary succession of Kim Ilsung to his son might be easily achieved, to approach the way to narrow th economic gab between the south and the north Korea, to search for an alternative to get more of economic aids than it gets from the communist countries, and to go with the current international desire for peace on the Korean peninsula. Despite such opening gesture of north Korea, it is doubtful if the law could attract many Western countries because NK holds far more foreign debts than it can pay and the market of the NK is much smaller than that of the PRC. Though the relations between the south and the north Korea seem to change after the law is put into practice, the prospects for better cmprovements of the relations between the two sides are not bright because the relations can only be improved when a co-existential order is established and the present political system is admitted by both sides, the homogeneousness of the people is realized through gradual and bilateral intercourse in every field. It should be noticed that NK's joint venture law was announced on the stage of its political transition to a hireditary succession of Kim Jungil, son of Kim Ilsung, and, therefore, it may take a considerably long time for the law to be put into practice throughout the peninsula.

      • 最小流動化速度에 關한 實驗的 考察

        申東秀 啓明大學校 産業技術硏究所 1990 産業技術硏究所 論文報告集 Vol.13 No.1

        The minimum fludization velocities and maximum pressure drops of 0.241 - 0.588 ㎜ glass beads, 0.293 - 0.433 ㎜ sand, 0.174-0.180 ㎜ alumina particles, and 0.054-0.149 ㎜ iron powder were measured in an air fluidized bed of 0.0667 m inside diameter. The observed minimum fluidization velocities and maximum pressure drops were compared with corresponding equations proposed by different investigators. The observed minimum fluidization velocities were in agreement with Wen and Yu equation within 20%, Leva equation within 23%, and Baerg equation within 15%. The observed maximum pressure drops were in good agreement with Parent equation and Ergun equation.

      • 자동 문턱치 방법을 이용한 밀리미터파 영상의 은닉된 물체 영역 검출

        이동수,염석원,손정영,김신환 대구대학교 정보통신연구소 2010 情報通信硏究 Vol.7 No.1

        본 논문은 수동형 밀리미터파 영상 시스템을 이용하여 은닉된 물체의 영역을 검출에 관한 연구이다. 밀리미터파 영상은 악천후에도 영상 촬영이 가능하고 플라스틱, 종이, 나무, 옷, 머리카락 같은 특유한 물질들을 투과한다. 그리고 밀리미터파는 금속과 특수한 인공 구조물에 대한 반사율이 높기 때문에 은닉된 물체를 쉽게 검출할 수 있다. 본 논문에서는 밀리미터파 영상에서 은닉된 물체 검출의 영상 분할을 자동 문턱치 방법으로 나타낸다. 본 논문에서는 8㎜ 파장을 수평과 수직 편광 방향으로 수신하는 두 채널에서 획득된 밀리미터파 영상을 Gonzalez와 Otsu 방법으로 영역 분할을 한다. 실험 결과는 Gonzalez과 Otsu 방법 모두 은닉된 물체 영역의 형태를 잘 분리하지만 Otsu 방법이 노이즈와 몸체 영역의 경계 부분이 안정적으로 영역 분할됨을 보인다. We address an image segmentation method to detect concealed objects captured by passive millimeter wave (MMW) imaging. Passive MMW imaging can create interpretable imagery on the objects concealed under clothing. Due to the penetrating property of the MMW imaging, the MMW imaging system is often employed for the security and defense system. In this paper, we develop automatic thresholding methods for the segmentation of concealed objects detected by PMMW imaging. The automatic thresholding method is useful for the image with bimodal distributions. We compare several thresholding methods for two MMW channel images which have 8 mm-horizontal and 8 mm-vertical polarization, respectively. The experimental results show that concealed weapon area is well segmented from the background body by the presented methods.

      • 시멘트 제품군의 전과정평가

        신동희,정재수,이건모 한국전과정평가학회 2002 한국전과정평가학회지 Vol.4 No.1

        국내산업계에서 범용적으로 생산되는 시멘트 제품군에 대하여 원료채취부터 제품제조까지에 대한 전과정평가를 수행하였다. 대상제품군은 국내 산업현황을 바탕으로 1종 포틀랜드 시멘트, 2종 포틀랜드 시멘트, 3종 포틀랜드 시멘트, 5종 포틀랜드 시멘트 및 고로슬래그 시멘트를 선정하였다. 각 대상 제품군별 국내 생산량이 큰 기업을 선정하여 전과정 목록분석을 수행하였다. 데이터는 현장 데이터를 적용하였으며, 현장 데이터 취득이 어려운 경우 데이터베이스를 사용하였다. 영향평가는 분류화, 특성화, 정규화 및 가중치부여 단계로 수행하였다. 환경영향평가지수는 1종 포틀랜드 시멘트, 2종 포틀랜드 시멘트, 3종 포틀랜드 시멘트, 5종 포틀랜드 시멘트 및 고로슬래그 시멘트공정이 각각 6.53E-05, 4.81E-05, 4.39E-05, 4.84E-05 및 3.84E-05로 나타났다. CO2에 의한 지구온난화가 전체 환경영향의 대부분을 차지하였다. A life cycle assessment has been conducted from raw material acquisition to manufacturing for cement products in korea. The product category included portland cement - Type Ⅰ, Type Ⅱ, Type Ⅲ and Type Ⅴ - and Blast furnace cement. The major manufacturing companies were chosen for each product category and conducted life cycle inventory analysis. Generally, Site-specific Data was applied. If it's not impossible, database was used. Impact assessment was carried out consecutively as classification, characterization, normalization and weighting. The eco-indicators of portland cement - Type Ⅰ, Type Ⅱ, Type Ⅲ and Type Ⅴ - and Blast furnace cement were 6.53E-05, 4.81E-05, 4.39E-05, 4.84E-05 and 3.84E-05, respectively. Global warming from CO2 was major contributor of product category.

      • 유한요소법을 이용한 밸브 스프링 리테이너의 형상설계

        신혁수, 김동범, 박진근, 이인환, 조해용 충북대학교 산업과학기술연구소 2013 산업과학기술연구 논문집 Vol.27 No.2

        A valve spring retainer is a small disc and located at intake and exhaust valve stem of engine. The retainer supports a valve spring and transmits spring force to a valve. Force is applied to the retainer repeatedly by a rocker arm. Durability of the retainer is an important factor of performance. Weight of retainer affect dynamic performance of engine. Therefore, optimal strength and weight of the retainer design are needed. In this study, stress distribution and fracture load of retainer were analyzed by using FEM to design optimal strength and weight. Static load test was simulated by using commercial FEM code DEFORM-3D. Shapes of the retainer to reduce weight were designed and analyzed to verify validity of it. Simulated results and experimental ones were compared

      • KCI등재후보

        반코마이신 내성 장내구균 분리 환자에서 황색포도알균의 내성

        김동욱,신선혜,김혜진,류선,이선희,장철훈,김영대,곽임수 대한감염학회 2004 감염과 화학요법 Vol.36 No.1

        목적 : Vancomycin-resistant enterococci (VRE)로부터 S. aureus로의 vacomycin 내성 유전자의 전파는 오래전부터 예견되어져 왔으며 큰 걱정거리로 남아있다. 최근에 vanA 유전자를 가지고 있는 vancomycin-resistant S. aureus 2주가 미국에서 분리되었다. 이 연구의 목적은 VRE를 보균하고 있는 환자들에서 S. aureus 보균양상과 항균제 내성을 알아보는데 그 목적이 있다. 재료 및 방법 : 2001년 1월부터 2001년 12월까지 부산대학교병원에 입원하였던 환자들 중 임상검체에서 VRE가 분리된 환자 7명과 2001년 9월부터 12월까지 외과 중 환자실에 입원하였던 환자들 중 VRE 감시배양을 시행하였던 20명의 환자들을 대상으로 하였다. 환자들은 전비공, 액와부, 회음부, 직장에서 매주 면봉으로 검체를 채취하였다. 선별배지에서 검체를 배양하여 S. aureus를 분리하였고 원판 확산법을 이용하여 methicillin 감수성을 측정하였다. Broth microdilution 법으로 vancomycin MIC를 측정하였다. 결과 : 총 27명에서 73회의 방문과 292회의 배양이 시행되었으며 총 67주의 S. aureus가 분리되었다. 이중 64주(95.5%)가 methicillin 내성이었다. 전비공 MRSA 보균율은 VRE를 보균하고 있었던 환자는 19명 중 11명(58%)에서, VRE를 보균하지 않았던 환자는 8명 중 3명(37.5%)으로 VRE 보균자에서 보균율이 더 높았다. 총 64주의 MRSA의 vancomycin MIC의 분포는 0.5-2㎍/mL였으며 2㎍/mL를 초과하는 균주는 발견되지 않았다. 64주 중 vancomycin MIC가 1㎍/mL인 균주가 54주(84.4%)로 가장 많았으며 2㎍/mL 6주(9.4%), 0.5㎍/mL 4주(6.3%)의 순이었다. 결론 : VRE 환자에서 S. aureus의 보균율은 비보균자 보다 높았으며 분리된 균주들은 대부분 MRSA였다. VRSA 균주는 발견되지 않았다. Background : The transfer of vancomycin resistance from vancomycin-resistant enterococci (VRE) to Staphylococcus aureus has been predicted. The purpose of this study is to determine the prevalence and antibiotics resistance of S. aureus among patients colonized with VRE. Methods : Between January 2001 and December 2001, a prospective study was performed at Pusan National University Hospital on 27 patients. Surveillance swabs from nasal cavity, axilla, perineum, and rectum were obtained at weekly intervals. Methicillin susceptability of S. aureus was determined by oxacillin disk diffusion test and minimum inhibitory concentration (MIC) for vancomycin by microdilution broth test. Results : Total of 292 swab cultures were performed and 67 S. aureus isolates were collected. 64 isolates (95.5%) were resistant to methicillin. The prevalence of nasal MRSA carrier in 19 patients colonized with VRE was higher than that in 8 patients not colonized with VRE (58% vs. 37.5%). In 64 MRSA isolates, MIC (㎍/mL) for vancomycin ranged from 0.5 to 2. No isolates with MIC >2 ㎍/mL were observed. MIC of 1 ㎍/mL was shown (observed) in 54 isolates, 2 ㎍/mL in 6 isolates, and 0.5 ㎍/mL in 4 isolates. Conclusion : The prevalence of S. aureus with colonization of VRE is higher than that without colonization of VRE. Most of S. aureus isolates were resistant to methicillin. VRSA isolates were not observed.

      • 감의 연화 특성

        金順東,李信浩,姜明秀 대구효성가톨릭대학교 1986 연구논문집 Vol.33 No.1

        To investigate the softening characteristics of persimmonfruit, textural changes at temperature of 25℃, 35℃ and 45℃, and the soaking effect at 30℃, 50℃ and 70℃ were estimated. And also, content and composition of the cell wall polysaccharides, 4NKOH soluble hemicellulosic fraction(HF?), 0~3N KOH soluble hemicellulosic fraction(HF?), ionically associated pectin(IAP), covalently bounded pectin(CBP) and cellulosic fraction(CF), and polygalacturonase(PG), cell wall polysaccharides degradated crude enzyme(CEW) were studied. The hardness was lowest at 25℃, especially adhesiveness and gumminess was contrary to each other in the temperature. In the higher temperature, 35~45℃, the softening phenomenon was inhibited by degrees, but adhesiveness and gumminess showed high on the 6th days at 35℃. The softening was more promoted by soaking at 30℃, and showed higher adhesiveness. In the higher soaking temperature of 50℃ to 70℃, the adhesiveness and the gumminess was increased, but the softening was getting inhibited. The persimmon contained lower pectic polysaccharides, but PG activity was high(720μmol product/100g f.w.). IAP and CBP was degradated about 60% by the CWE, and the degradation ratio of the pectic polysaccharides was uronic acid 43~50%, hexose 59~61%. It was suggested that the severe softening phenomenon of persimmon involoved the degradation of CBP-bound hemicellulosic fraction.

      • KCI등재

        성장기중 Face Mask를 이용한 Angle씨 III급 반대교합 해소의 치험례

        손동수,김종철,한세현,신재호 大韓小兒齒科學會 1996 大韓小兒齒科學會誌 Vol.23 No.3

        Face mask is an extraoral appliance which used to protract maxilla, and can help in the correction of moderately severe class Ⅲ malocclusions by the anterior displacement of the maxilla and maxillary dentition, and possibly restricting or changing the direction of the growth of the mandible. In three cases the results were followed. 1. Anterior crossbite was corrected 2. Maxilla & maxillary dentition were displaced forwardly. 3. Lingual tipping of the mandibular incisors, and backward & downward rotation of mandible were performed. 4. Acceptable improvement in the class Ⅲ profile was performed.

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