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이창헌,김고환,서두옥 제주대학교 해양연구소 2000 해양과환경연구소 연구논문집 Vol.24 No.-
In order to obtain the fundamental data on behavioral hearing capabilities, the hearing indices of coralfish chromis notatus and black rockfish sebastes inermis which were caught around Cheju island was calculated by their auditory thresholds. The hearing indices of coralfish and black rockfish were 29.1 and 81 on the condition of ambient noise, 10.0 and 19.3 on the condition of white noise respectively.
이창헌,김고환,서두옥 제주대학교 해양연구소 2000 해양자원연구소연구보고 Vol.24 No.-
In order to obtain the fundamental data on behavioral hearing capabilities. the hearing indices of coralfish chromis notatus and black rockfish sebastes inerms which were caught around Cheju island was calculated by their auditory thresholds. The hearing indices of coralfish and black rockfish were 29.1 and 81 on the condition of ambient noise. 10.0 and 19.3 on the condition of white noise respectively.
제주도 연안 갈치 채낚기 어구의 생력화 : 1.연속식 채낚기어구의 모형 실험
서두옥,정용진,김석종,이창헌,김고환,박용석 제주대학교 해양연구소 2000 해양과환경연구소 연구논문집 Vol.24 No.-
The authors carried out a model experiment of continuoius hairtail hand line on the rooftop in order to obtain the fundamental data on elimination of labor with haritail hand line in the coast of Jeju. The results are as follow ; 1.The continuous main line was rotated smoothly by driving roller. 2.The branch lines and hooks on a main line which was rotated by rotary machine were entangled slightly. 3. The branch lines attached to rubbered model of hairtails to hooks were rotated continuously by the rotary machine.
제주도 연안 갈치 채낚기 어구의 생력화 : 1. 연속식 채낚기어구의 모형 실험
서두옥,정용진,김석종,이창헌,김고환,박용석 제주대학교 해양연구소 2000 해양자원연구소연구보고 Vol.24 No.-
The authors carried out a model experiment of continuous hairtail hand line on the rooftop in order to obtain the fundamental data on elimination of labor with hairtail hand line in the coast of Jeju The results are as follow : 1. The continuous main line was rotated smoothly by driving roller. 2. The branch lines and hooks on a main line which was rotated by rotary machine were entangled slightly. 3. The branch lines attached to rubbered model of hairtails to hooks were rotated continuously by the rotary machine.
수중 가청음에 의한 쏨벵이의 청각능력 : 2. 청각 임계비
이창헌,박용석,문종욱,강창익,김고환,서두옥 제주대학교 해양연구소 1999 해양자원연구소연구보고 Vol.23 No.-
수중 가청음은 어군의 행동 제어와 해양목장화에서 음향 순치에 많이 이용되고 있다. 수중 가청음에 의한 어류반응 해석을 하기 위해서는 물고기의 청각능력을 정확히 파악할 필요가 있으며,오래전부터 여러물고기의 청각능력을 관련된 연구가 수행되었다.