RISS 학술연구정보서비스

검색
다국어 입력

http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.

변환된 중국어를 복사하여 사용하시면 됩니다.

예시)
  • 中文 을 입력하시려면 zhongwen을 입력하시고 space를누르시면됩니다.
  • 北京 을 입력하시려면 beijing을 입력하시고 space를 누르시면 됩니다.
닫기
    인기검색어 순위 펼치기

    RISS 인기검색어

      검색결과 좁혀 보기

      선택해제
      • 좁혀본 항목 보기순서

        • 원문유무
        • 원문제공처
          펼치기
        • 등재정보
        • 학술지명
          펼치기
        • 주제분류
          펼치기
        • 발행연도
          펼치기
        • 작성언어
        • 저자
          펼치기

      오늘 본 자료

      • 오늘 본 자료가 없습니다.
      더보기
      • 무료
      • 기관 내 무료
      • 유료
      • KCI등재

        동진지구 김제간선 내 주요 용수지선의 흐름 특성

        최진규,손재권,김진택,김영주,Choi, Jin-Kyu,Son, Jae-Gwon,Kim, Jin-Taek,Kim, Young-Joo 한국농공학회 2012 한국농공학회논문집 Vol.54 No.5

        The study was carried out to investigate the dimension of irrigation canal, and measure the water flow of those diverted from Kimje main canal in Dongjin irrigation area. The rating curves indicating the relationships between water level and discharge of the lateral canals were induced using the measured data with high regression coefficients of 0.957~0.999 at inlet points and 0.932~0.998 at end points, respectively. And Manning's roughness coefficients were estimated as the ranged from 0.015 to 0.074 at inlet points and 0.056 to 0.089 at end points with rectangular type of concrete open irrigation canals, the Manning's roughness coefficients of the end points were less than those values of the end points, which may be considered as the deposition of the bottom sediments.

      • 섬진강 수계 추령천 유역의 총질소 및 총인의 유출부하 특성

        최진규,손재권,구자웅,윤광식,김영주,Choi Jin-Kyu,Son Jae-Gwon,Koo Ja-Woong,Yoon Kwang-Sik,Kim Young-Joo 한국관개배수위원회 2002 한국관개배수논문집 Vol.9 No.2

        To provide the basic information for the water quality improvement of the Seomjin River Basin, the water qualities of the Churyeong-cheon watershed were investigated from May in 1999 to September in 2002. Annual total runoff at the Churyeong-cheon watersh

      • KCI등재

        우분 퇴비를 시용한 논에서의 유출수 특성

        최진규,손재권,윤광식,이현정,김영주,Choi, Jin-Kyu,Son, Jae-Gwon,Yoon, Kwang-Sik,Lee, Hyun-Jeong,Kim, Young-Joo 한국농공학회 2012 한국농공학회논문집 Vol.54 No.3

        This study was carried out to investigate the runoff characteristics in paddy field using livestock compost fertilizer. Irrigation, runoff and water quality data in the paddy field were analyzed periodically from May to September in 2011. The observed amounts of rainfall, irrigation, runoff for the experimental paddy field during the irrigation period were 1,148.2 mm, 523.9 mm, and 344.7 mm, respectively. T-N concentrations ranged from 2.28 mg/L to 11.75 mg/L, which was generally higher than the quality standard of agricultural water (1.0 mg/L). T-P concentrations ranged from 0.018 mg/L to 0.241 mg/L and the average was 0.122 mg/L. The runoff loads of T-N and T-P were 15.7 kg/ha and 0.4 kg/ha, respectively. The runoff pollutants loadings in T-N and T-P in this study were much lower values than the loads of T-N and T-P from the paddy field presented by others' studies. We are considering that these results were affected by rainfall as well as hydrological condition, irrigation water, fertilizer application, rice straw and plowing.

      • KCI등재

        가축분뇨 퇴비가 시비된 밭 표면유출수의 총질소와 총인의 유출 특성

        최진규,손재권,이현정,김영주,Choi, Jin Kyu,Son, Jae Gwon,Lee, Hyun Jeong,Kim, Young Joo 한국농공학회 2012 한국농공학회논문집 Vol.54 No.6

        This study was carried out to runoff characteristics in an upland livestock manure compost. Irrigation, runoff and water quality data in the upland were analyzed periodically from May to November in 2011. The observed amount of rainfall, irrigation, runoff for the experimental upland during the investigation period were 1,299.7 mm, 32.0 mm, and 340.7 mm, respectively. The concentrations of T-N in compost and non-compost upland during study period were ranged from 2.09 mg/L to 6.66 mg/L and from 1.99 mg/L to 6.01 mg/L, respectively. which was generally higher than the quality standard of agricultural water (1.0 mg/L). The concentrations of T-P in compost and non-compost upland during study period were ranged from 0.069 mg/L to 0.525 mg/L and from 0.018 mg/L to 0.152 mg/L, respectively. The runoff pollutants loadings of T-N and T-P in compost upland were 10.05 kg/ha and 0.56 kg/ha, respectively. The runoff pollutants loadings of T-N and T-P in non-compost upland were 9.09 kg/ha and 0.26 kg/ha, respectively. The runoff pollutants loadings in T-N and T-P from this study were much lower values than the pollutant loadings of T-N and T-P from the upland published by the others studies. Runoff pollution loadings due to the upland field in order to identify the characteristics of various crops, farming methods and a variety of targets taking into account regional characteristics by conducting continuous monitoring runoff load estimate will be required.

      • 양수장의 농업용수 공급량 및 수질 모니터링

        최진규,손재권,구자웅,윤광식,김영주,Choi Jin-kyu,Son Jae-gwon,Koo Ja-woong,Yoon Kwang-sik,Kim Young-ju 한국관개배수위원회 2000 한국관개배수논문집 Vol.7 No.1

        The irrigation water supply and water quality from a pumping station were surveyed. Guiseok pumping station was selected as a monitoring site. Water level in irrigation canal was monitored continuously and water samples were taken and analyzed, periodical

      • 보령담수호 유역내 논물과 논토양의 화학적 성분 변화

        최진규,손재권,구자웅,조재영,김영주,Choi Jin-Kyu,Son Jae-Gwon,Koo Ja-Woong,Cho Jae-Young,Kim Young-Joo 한국관개배수위원회 2001 한국관개배수논문집 Vol.8 No.2

        This study was carried out to provide the basic information for the water quality management of Boryeong fresh water reservoir watershed. Nine sub-watersheds were delineated and the water quality of the paddy water and paddy soil of the sub-watersheds wer

      • SCIESCOPUSKCI등재

        해마절편의 허혈성 $K^+$ 축적에 대한 $K^+$채널 조절 약물의 작용

        최진규,전보권,류판동,Choi, Jin-Kyu,Chun, Boe-Gwun,Ryu, Pan-Dong 대한약리학회 1997 The Korean Journal of Physiology & Pharmacology Vol.1 No.6

        '스콜라' 이용 시 소속기관이 구독 중이 아닌 경우, 오후 4시부터 익일 오전 9시까지 원문보기가 가능합니다.

        Loss of synaptic transmission and accumulation of extracellular $K^+([K^+]_O)$ are the key features in ischemic brain damage. Here, we examined the effects of several $K^+$channel modulators on the early ischemic changes in population spike (PS) and $[K^+]_o$ in the CA1 pyramidal layer of the rat hippocampal slice using electrophysiological techniques. After onset of anoxic aglycemia (AA), orthodromic field potentials decreased and disappeared in $3.3{\pm}0.22\;min$ $(mean{\pm}SEM,\;n=40)$. The hypoxic injury potential (HIP), a transient recovery of PS appeared at $6.0{\pm}0.25\;min$ (n=40) in most slices during AA and lasted for $3.3{\pm}0.43\;min$. $[K^+]_o$ increased initially at a rate of 0.43 mM/min (Phase 1) and later at a much faster rate (12.45 mM/min, Phase 2). The beginning of Phase 2 was invariably coincided with the disappearance of HIP. Among $K^+$ channel modulators tested such as 4-aminopyridine (0.03, 0.3 mM), tetraethylammonium (0.1 mM), NS1619 $(0.3{\sim}10\;{\mu}M)$, niflumic acid (0.1 mM), glibenclamide $(40\;{\mu}M)$, tolbutamide $(300\;{\mu}M)$ and pinacidil $(100\;{\mu}M)$, only 4-aminopyridine (0.3 mM) induced slight increase of $[K^+]_o$ during Phase 1. However, none of the above agents modulated the pattern of Phase 2 in $[K^+]_o$ in response to AA. Taken together, the experimental data suggest that 4-aminopyridine-sensitive $K^+$channels, large conductance $Ca^{2+}-activated$ $K^+$ channels and ATP-sensitive $K^+$ channels may not be the major contributors to the sudden increase of $[K^+]_o$ during the early stage of brain ischemia, suggesting the presence of other routes of $K^+$ efflux during brain ischemia.

      • KCI등재

        동진강 유역의 농업용수 급수체계 분석

        최진규,손재권,김영주,Choi, Jin-Kyu,Son, Jae-Gwon,Kim, Young-Joo 한국농공학회 2012 한국농공학회논문집 Vol.54 No.1

        This study was investigated agricultural water supply system of major agricultural waterway for Gimje canal, Jeongeup canal, Dongjin river conduit of Dongjin river basin. Furthermore, this result will be used for water resources and agricultural demand in Saemangeum reclaimed arable land. Annual precipitation for 5 years in Dongjin river basin was 1,311.7mm. The average discharges in Dongjin river basin was $1,390{\times}10^6\;m^3$ and $1,516{\times}10^6\;m^3$ and $744{\times}10^6\;m^3$ for 2,007 and 2008, respectively. Also, annual average amount of water resources was 1,861${\times}10^6\;m^3$ and $2,279{\times}10^6\;m^3$ and $1,227{\times}10^6\;m^3$ for 2,007 and 2008, respectively. Dongjin river basin water system for the analysis of agricultural water in water resources, runoff, agricultural water demand and usage surveys were analyzed, resulting in the total amount of water due to precipitation of the watershed of the $12.3{\times}10^9\;m^3$ ~$22.8{\times}10^9\;m^3$ and Dongjin River basin in waters flowing discharge is $7.4{\times}10^9\;m^3$~$16.1{\times}10^9\;m^3$, agricultural water demand and usage of each of $6.8{\times}10^9\;m^3$~$6.9{\times}10^9\;m^3$ and $4.9{\times}10^9\;m^3$~$7.1{\times}10^9\;m^3$ compared to the agricultural water demand was more likely. Agricultural water supply system in Dongjin river basin is complex because of devided branches to the main canal and branch canal. In this process, accurately assessment of water usage is very difficult. Therefore, systematic management of water resources and supply of agricultural water supply system to use the terms of the complexity and diversity by considering the appropriate level of agricultural water management systems will be needed. As a result of this study, it can be used water resources assessment in quantity, rational usefulness and basic planning of water resources development for water distribution.

      • KCI등재

        공통 자기 상관기를 이용한 효율적인 디지털 위성 방송 프레임 동기부 회로 구조

        최진규(Jin Kyu Choi),선우명훈(Myung Hoon Sunwoo),김판수(Pansoo Kim),장대익(Dae-Ig Chang) 대한전자공학회 2009 電子工學會論文誌-SD (Semiconductor and devices) Vol.46 No.4

        본 논문은 위성방송 표준인 DVB-S2 (Digital Video Broadcasting via Satellite, Second generation) 에 적용 가능한 공통 자기상관 연산기를 사용한 효율적인 프레임 동기부 회로를 제안한다. 열악한 채널 상태 환경에서의 안정적인 성능을 달성하고 구현된 기능 동기블록의 하드웨어 자원을 효율적으로 활용하기 위해 본 논문에서는 새로운 구조의 효율적인 공통 자기상관기 구조를 제안한다. 제안한 동기부 회로는 병렬 구조를 취함으로써 프레임, 주파수 동기부 회로의 성능을 개선하여 프레임 동기부의 복잡도를 현저히 감소시킬 수 있었다. 따라서 제안한 동기부 회로는 직접 구현한 방식과 비교하여 약 92%의 곱셈기 개수와 81%의 덧셈기 개수를 줄일 수 있었다. 또한 FPGA 보드와 R&STM SFU 방송 테스트 장비를 이용하여 제안된 구조를 검증하였으며 총 LUTs는 XilinxTM Viertex IV LX200 칩의 29,821을 차지하였다. This paper presents an efficient frame synchronizer architecture using the common autocorrelator for Digital Video Broadcasting via Satellite, Second generation (DVB-S2). To achieve the satisfactory performance under severe channel conditions and the efficient hardware resource utilization of functional synchronization blocks which have been implemented, we propose a new efficient common autocorrelator structure. The proposed architecture can improve the performance of the frame and frequency synchronizer since each block operates jointly in parallel and significantly reduce the complexity of the frame synchronizer. Hence, The proposed architecture can ensure the decrease by about 92% multipliers and 81% adders compared with the direct implementation. Moreover, it has been thoroughly verified with an FPGA board and R&STM SFU broadcast test equipment and consists of 29,821 LUTs with XilinxTM Virtex IV LX200.

      연관 검색어 추천

      이 검색어로 많이 본 자료

      활용도 높은 자료

      해외이동버튼