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한국 오징어 채낚기의 기존 녹색 낚시와 은백색 낚시의 어획성능 비교
안영일,AN, Young-Il 한국수산해양기술학회 2017 수산해양기술연구 Vol.53 No.3
The catch performance of the silver-white jig for automatic jigging machine, developed to improve the effectiveness of LED fishing lamp in catching squid, was compared to that of the conventional green jig. The vessels used in this investigation were Haesong-ho (A-vessel), a training vessel of Gangwon State University and Haengbok-ho (B-vessel), a commercial fishing boat. In the case of the A-vessel, five to eight automatic jigging machines were used in the fishing operation with a 31.3 kW LED fishing lamp in summer. As for the B-vessel, fourteen automatic jigging machines were used with a 43.2 kW LED fishing lamp in autumn and winter. The results showed that the catch performance of the silver-white jig was similar to that of the green jig in the case of the A-vessel (p>0.05). However, in the case of the B-vessel, the catch performance of the silver-white jig was superior to that of the green jig in both winter (p<0.05) and autumn (P<0.001). Based on the catch performance results regarding the B-vessel in autumn, it is expected that the annual income increase that can be earned by using the silver-white jig will be KRW 26,385,000.
안영상,전영일,안재성,전상룡,김정훈,나영신,노성우,김창진,권양,임승철,이정교,권병덕,Ahn, Young Sang,Chun, Young Il,Ahn, Jae Sung,Jeon, Sang Ryong,Kim, Jeong Hoon,Ra, Young Shin,Roh, Sung Woo,Kim, Chang Jin,Kwon, Yang,Rhim, Seung Chul,Lee 대한신경외과학회 2001 Journal of Korean neurosurgical society Vol.30 No.5
Objective : Transseptal or sublabial transsphenoidal surgery has been standard teatment for pituitary tumors for decades. However, as an alternative to this surgery endonasal endoscopic technique has been reported with encouraging results. We have started endoscopy-assisted transsphednoidal surgery from May 1998. In this paper we analyzed the methods, outcome, advantage and disadvantage of this surgical approach for the purpose of planning optimal treatment of pituitary tumors. Methods : This study consisits of 13 cases of pituitary tumors who were treated by endoscopy-assisted transsphenoidal surgery using one nostril from May 1998 to July 1999. Mean follow up period was 12.9 months. Results : There was no septal or sublabial incision and little surgical damage to nasal structure. With this technique, rapid surgical approach and short hospital day were possible, being 3-6 days in patients without CSF leakage. Using various angled endoscope, good surgical view was obtained. Initially it was difficult to use various instruments in narrow nasal cavity, but became feasible after several procedures. Among 13 cases, total removal was possible in 11 cases. One of two cases in whom tumor was incompletely removed underwent gamma-knife radiosurgery and second underwent reoperation through subfrontal approach. There were 6 cases of hormone secreting tumors and hormonal remission was achived in all of these cases. Postoperative complications were CSF leakage(6 cases), diabetes insipidus(2 cases) and panhypopituitarysm(1 case). Lumbar drainage was done in all cases of CSF leakage. Conclusion : The advantage of endoscopy-assisted transsphenoidal surgery are rapid surgical approach, low postoperative morbidity, short hospital day and good surgical view. The disadvantage of this appoach are difficulty in manupulating various instruments in narrow nostril and difficulty in distance perception but these problems can be overcome by practice and using stereoscopic endoscope.
안영일 ( Young Il An ),장웅정 ( Ung Jeong Jang ) 한국어업기술학회 2013 수산해양기술연구 Vol.49 No.3
Decoys for automatic jigging machines, the body part of a squid hook, have been developed in small and existing sizes in consideration of squid food, color blindness, and retinomotor responses and in utilization of pearl pigment, PP of high transparency, and combined mixture. In comparison of the developed silver-white decoy and existing decoys, the optical characteristics were examined, and the fishing performance of small size silver-white squid hooks was assessed in application of 4 fishing boats with the squid automatic jigging machine and metal halide fishing lamp in July, 2012. The luminances of the three squid hook colors-green, dark green and silver-white-increased as the intensity of illumination increased. Among these, the increase of silver-white was particularly distinguished. As to the average contrast of squid hooks, that of silver-white was 10.33, which was the highest, and then green 1.86 and dark green -0.10 in the order. As to the fishing performance of the silver-white hook, that of the 202Geumyeong-ho and 101Yongjin-ho which caught squids were similar to that of the existing green hook and was relatively low in the case of the Dongbu-ho. However, that of the Haengbok-ho which caught relatively small squids whose average length was 19.9cm and installed silver-white hook in all automatic jigging machines was significantly excellent. In order to enhance the fishing performance of small size silver-white hooks, therefore, it would be effective to install in every automatic jigging machines of fishing boat and to start fishing before July by which small squids are caught.
안영일 ( Young Il An ) 한국어업기술학회 2013 수산해양기술연구 Vol.49 No.4
This study has conducted a comparative analysis on the fishing efficiency of LED fishing lamps by squid jigging boats, the Yeongrak-ho (16 tons) and Somang-ho (9.77 tons), which operated during September and October 2010 and during October 2011, comparing with MH(Metal Halide) fishing lamp-equipped fishing vessels. This study has also examined boat`s fuel consumption level. The light powers of LED fishing lamps of the Yeongrak-ho and Somang-ho were 25.8kW and 32kW, respectively. Those of the MH fishing vessels, that is, the MH fishing lamp-equipped fishing vessels, were 105kW and 81kW, respectively. The average squid catch in number of an LED vessel, Yeongrak-ho, was 39.2% of the MH fishing lamp-equipped fishing vessels; however, that of the Somang-ho improved to 78.7% of the MH fishing lamp-equipped vessels. Average catch in number by Yeongrak-ho crew was 2.6 times more than catch in number by automatic jigging machines. Average catch in number by MH fishing vessel crew was 1.8 times more than that by automatic jigging machines. An LED vessel, Yeongrak-ho`s fishing rate was 17.5%-152.2% of the MH fishing vessels, that is, 61.1% on average, in comparison of combined catch in number per automatic jigging machine and per crewmember. Somang-ho`s fishing rate was 6.7%-127.6% of the MH fishing vessels, that is, 73.1% on average. The average fuel consumption level of the Somang-ho, throughout its departure from to arrival at the port, was 475.7ℓ, and that during fishing hours was 109.6ℓ, or 23.0% of the total fuel consumption level. Somang-ho`s fuel consumption level per fishing hour was 9.7ℓ on average.
북한의 체육 및 여가활동의 변화에 관한 연구 -단천 지역을 중심으로-
나영일 ( Young Il Na ),현주 ( Ju Hyun ),안지호 ( Ji Ho Ahn ),신영진 ( Young Jin Shin ),진현주 ( Hyun Ju Jin ),성제훈 ( Je Hoon Sung ) 한국체육사학회 2013 체육사학회지 Vol.18 No.2
본 논문은 단천을 중심으로 해방 이전부터 지금까지의 북한의 체육 및 여가활동의 변화를 살펴보았다. 1950년 한국전쟁이전 단천에 거주했던 실향민 3명과 2000년대에 입국한 북한이탈주민 11명과의 면담을 통해 이들의 기억과 문헌연구를 종합하여 북한 지방의 체육 및 여가활동의 미시사를 구성하였다. 그 결과는 다음과 같다. 첫 번째 시기는 1950년대 이전으로 근대 스포츠가 유입되는 시기이다. 이 시기는 외지에서 공부하던 유학생들이 단천의 청소년들에게 근대스포츠를 가르치고 보급하고자 많은 노력을 하였다. 두 번째 시기는 1994년 중반 고난의 행군이 시작되기 이전으로 집단주의를 근간으로 사회주의 체제를 유지하던 북한 체제에서 체육과 여가활동 역시 집단주의를 바탕으로 발전하였던 시기이다. 세 번째 시기는 고난의 행군이 시작되는 1994년부터 지금까지이다. 이 시기에 북한 체제는 정치, 경제, 문화 등 사회 전반에 걸쳐 급속한 변화가 시작되었고, 단천 주민들의 체육 및 여가활동도 사회변화에 따른 변화가 있었다. 국가와 개인의 경제가 악화되면서 여가활동은 과거에 비해 비 신체활동 중심으로 변화되었다. 이러한 북한 주민들의 체육 및 여가활동의 변화는 북한의 문화와 북한 주민들의 정체성을 이해하는데 필요한 자료가 될 것이다. This study examines about changes of Physical and Leisure Activities in North Korea by dividing into three periods. First period, 1900s after liberation before Koreas War breaks out. In this time modern sports flow into North Korea and Socialist got formed. During this time, students studying abroad tried to teach and propagate modern sports to adolescents of Dancheon. Second period is before Arduos March starts. In this time, North Korean system maintain the socialist system as the basis for collective attention. North Korean sports and leisure activities also prosper based on collective attention. Third period, from the time Arduous March started till now. During this time, in North Korean system, politics, economy, culture and so on society as a whole were changed rapidly, also sports and leisure activities county of Dancheon were changes as changes of society. As economy of nation and individual were getting deteriorated, compare to past leisure activities have been changed to non physical activity from physical activity. These changes of North Korean Sports and Leisure Activities would be good data for understanding identity of North Korean people.