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정연규,김병규,이정배,Jeong, Yeon-Kyu,Kim, Byung-Gyu,Lee, Jeong-Bae 한국정보처리학회 2012 정보처리학회논문지B Vol.19 No.4
본 논문에서는 초음파센서와 버튼들로 구성된 초음파 단말기와 카메라 센서를 융합한 시각 장애인들을 위한 사물 감지 기술을 소개한다. 초음파 단말기의 초음파센서로 4m 이내의 사물을 감지하면 웹캠으로 사물을 촬영하고 얼굴검출과정을 통해 그 사물이 장애물인지 사람인지 구별한다. 검출결과를 음성으로 사용자에게 이어폰을 통하여 알려준다. 본 논문에서 개발된 기술을 통하여 시각장애인이 흰 지팡이와 같이 보조적으로 사용이 가능하며, 좀 더 보완한다면 흰 지팡이의 대체품으로 사용이 가능할 것이다. 검출 범위는 사용자가 착용 시 3m내에서 사람이나 사물인식 실험 결과 약 88%이상의 인식률을 나타내었다. In this paper, a blind person using a white cane as an adjunct of the things available sensing technology has been implemented. Sensing technology to implement things ultrasonic sensors and a webcam was used to process the data from the server computer. Ultrasonic sensors detect objects within 4meter people distinguish between those things that if the results based on the results will sound off. In this study, ultrasonic sensors, object recognition and human perception with the introduction of techniques and technologies developed for detecting objects in the lives of the visually impaired is expected to be greater usability.
가다랑어 (Katsuwonus pelamis) 자어의 국내 출현
윤상철 ( Sang Chul Yoon ),정연규 ( Yeon Kyu Jeong ),지환성 ( Hwan Sung Ji ),신아리 ( A Ri Shin ),김장근 ( Zang Geun Kim ),최광호 ( Kwang Ho Choi ) 한국수산해양기술학회 2015 수산해양기술연구 Vol.51 No.1
Three specimens of larvae (5.2∼7.8 mm in standard length (SL)), of the family Scombridae, were collected from the southeastern waters off Jeju Island in August, 2014. These specimens were identified to Katsuwonus pelamis have melanophores distributed on the 1st dorsal-fin spines and post ventral margin on caudal peduncle. An analysis of the cytochrome oxidase submit I (COI) sequences (652 base pairs) of mitochondrial DNA showed that our specimens must be K. pelamis, because their sequences were concordant with those of the adult K. pelamis (genetic distance= 0.000∼0.002), followed by Auxis rochei (genetic distance= 0.061∼0.063) and Euthynnus affinis (genetic distance= 0.077∼0.079). During the larval stage, K. pelamis differed from Thunnus spp. species in melanophores distribution period of 1st dorsal-fin spines, lower jaws and ventral margin on caudal peduncle. In conclusion, occurrence of K. pelamis larvae means Korean waters are potential spawning ground of K. pelamis.
윤상철 ( Sang Chul Yoon ),정연규 ( Yeon Kyu Jeong ),장창익 ( Chang Ik Zhang ),양재형 ( Jae Hyeong Yang ),최광호 ( Kwang Ho Choi ),이동우 ( Dong Woo Lee ) 한국수산과학회 2014 한국수산과학회지 Vol.47 No.6
In this study, the status of coastal fisheries was examined based on the catch and number of fishing vessels of coastal fisheries in Korea. Comparing the status on coastal fisheries of the East Sea, Yellow Sea and South Sea in Korea, scientific evidence was made for fisheries management on coastal fisheries based on characteristics of each sea area. From 1990 to 2011, the catch of coastal fisheries in Korean waters ranged from 150,000 mt to 230,000 mt, with an average of 190,000 mt, and it accounted for 15% in average of total catch fished in adjacent waters of Korea. In order of catch by coastal fisheries, gillnet (36.7%) was the primary fishery, followed by coastal complex (24.7%), stow net (18.3%), trap (12.9%), lift net (3.9%), purse seine (3.0%) and beam trawl (0.4%) fisheries. In order of catch by species, anchovy (15.0%) had the largest proportion of total catch, followed by common squid (10.3%), akiami paste shrimp (5.2%), blue crab (3.9%) and octopus (3.7%). Of the average catch by sea area from 1990 to 2011, Yellow Sea, South Sea and East Sea were 37.4%, 34.6% and 28.0%, respectively. Since 2000s, however, the average catch of South Sea has accounted for the largest proportion. The number of permitted fishing vessels involved in 8 coastal fisheries was 55,336 vessels in average from 1997 to 2011. The number of vessels was about 47,000 vessels in 1997, and increased to 61,300 vessels until 2000, then has decreased to 44,000 vessels operating in 2011. In order of the number of permitted fishing vessels by fisheries, complex (52.4%) took the first place, followed by gillnet (31.5%), trap (13.4%), stow net (0.8%), beam trawl (0.8%), purse seine (0.6%), lift net (0.4%) and seine net (0.0%). In order of the number of permitted fishing vessels by sea area, South Sea (29,994 vessels) took the first place, followed by Yellow Sea (18,185 vessels) and East Sea (7,158 vessels). In order of the catch per unit effort (CPUE, mt/vessels) which was analyzed using catch and number of vessels in average by fishery, stow net is the highest followed by lift net, trap, purse seine, gill net, beam trawl and complex fisheries. In particular, the CPUE of complex and gill net fisheries, which accounted for the largest number of vessels were 4.0 mt/vessels and 1.6 mt/vessels, respectively. Since those are too low relative to other fisheries, it was judged to need systematical management on both fisheries.
김민기 ( Min-ki Kim ),이수영 ( Su-young Lee ),이종찬 ( Jong-chan Lee ),정연규 ( Yeon-kyu Jeong ),정윤영 ( Yun-young Joung ),이경오 ( Kyung-oh Lee ) 한국정보처리학회 2011 한국정보처리학회 학술대회논문집 Vol.18 No.2
본 논문에서는 경영학에서 요구하는 바람직한 목표가 갖추어야 할 SMART조건과 자기 경영에 필요한 PDCA 모델을 활용하여 목표를 달성할 수 있도록 도와준다. 목표를 이루기 위한 계획을 진행해 나가면서 자신이 실천한 내용 및 진행정도를 확인 할 수 있고, 다음 계획을 수행하는데 피드백을 받을 수 있다. 이러한 실천한 계획의 누적된 데이터(수치)를 통하여 개인의 역량 확인과 문서화를 할 수 있다. 이렇게 자신이 세운 계획은 이행정도를 참고하여 다음 계획에 반영한다면 보다 효과적이고 자신에게 맞는 계획을 세울 수 있을 것이다.
백다랑어(Thunnus tonggol) 치어의 국내 출현
윤상철 ( Sang Chul Yoon ),최광호 ( Kwang Ho Choi ),정연규 ( Yeon Kyu Jeong ),이동우 ( Dong Woo Lee ),유정화 ( Jung Hwa Ryu ) 한국어업기술학회 2013 수산해양기술연구 Vol.49 No.4
A total of 24 juvenile specimens of Thunnus tonggol (5.45-7.26mm in total length) of the Sombridae were collected from the southeast sea of Jeju Island during 26∼30 July, 2013. Twenty-four specimens identified T. tonggol have melanophores distributed on the 1st dorsal-fin rays, the dorsal of head and vetral side. Three individulas were identified using mitochondrial DNA cytochrome dxidase submit 1 (CO1) sequences (452 base pairs). All were identified as Thunnus tonggol, their mtCO1 sequences being consistent with those of Thunnus tonggol(d=0.000), followed by Thunnus albacares(d=0.002) and Thunnus obesus(d=0.007).
박희원 ( Hee Won Pakr ),윤상철 ( Sang Chul Yoon ),김장근 ( Zang Geun Kim ),이성일 ( Sung Il Lee ),정연규 ( Yeon Kyu Jeong ),이동우 ( Dong Woo Lee ) 한국어업기술학회 2014 수산해양기술연구 Vol.50 No.4
Korean distant water tuna longline fishery commenced in 1966 in the Atlantic Ocean. Since then, it has become one of the most important fisheries of Korea. By early of 1970s, total amount of tuna caught in the Atlantic Ocean was the highest among other Korean distant water tuna fisheries, but has become minor since 1990s. The annual catch of tuna and tuna-like species by Korean tuna longline fishery in the Atlantic Ocean was about 1,900 mt in 2013. Bigeye tuna was the predominant species in species composition followed by yellowfin tuna, Albacore tuna, Blue shark and Swordfish. Korean distant water tuna longline fishery have mainly operated in the tropical area of the Atlantic Ocean (20°N~20°S, 20°E~60°W), fishing ground was almost similar as in the previous years. The length frequency of major species (Bigeye tuna, Yellowfin tuna, Albacore tuna, Blue shark and Swordfish) were estimated. As the result of length (size) frequency data on main species caught by lonline fishery in the Atlantic Ocean, main length intervals of bigeye tuna caught in 2011, 2012 and 2013 were 120~125 cm, 160~165 cm and 130~135 cm, respectively. For yellowfin tuna, those were 125~130 cm, 150~155 cm, 145~150 cm and for albacore, 109 cm, 102 cm, 109 cm and 106 cm respectively. For swordfish caught in 2011, 2012 and 2013, main length intervals were 130~135 cm, 125~135 cm and 125~130 cm, respectively, and for blue shark, 195~200 cm in 2011 and 185~190 cm in 2012, 2013.
아가로오스 분해세균인 Pseudoalteromonas sp. GNUM08122 분리 및 동정
김성배 ( Sung Bae Kim ),장용근 ( Yong Keun Chang ),홍순광 ( Soon Kwang Hong ),김창준 ( Chang Joon Kim ),김유나 ( Yu Na Kim ),김무찬 ( Mu Chan Kim ),지원재 ( Won Jae Chi ),정연규 ( Yeon Kyu Jeong ) 한국미생물생명공학회 ( 구 한국산업미생물학회 ) 2012 한국미생물·생명공학회지 Vol.40 No.1
Korea This study`s aim was to isolate microorganisms producing agarase with a high activity, with possible applications in improving the performance of the pretreatment processes for bioethanol production. Marine algaes were collected from the south coast of Korea, from which three kinds of microorganisms were isolated. After a 4-day culture of these strains at 25oC, crude enzymes were obtained from culture supernatant or cell-free extract by ammonium sulfate precipitation and membrane dialysis. Agarase activity was observed in these crude enzymes. Notably higher specific activity was observed in the crude enzyme obtained from the culture supernatant rather than that from the cell-free extract. This indicates that a secreted enzyme has a much greater activity than a cellular enzyme. Crude enzymes from the GNUM08122 strain were inferred to have α-agarase activity because release of p-nitrophenol was observed, possibly due to the cleavage of p-nitrophenyl-α-D-galactopyranoside. The 16S rRNA sequence of GNUM08122 showed a close relationship to Pseudoalteromonas issachenkonii KMM 3549 (99.8%) and Pseudoalteromonas tetraodonis IMA 14160 (99.7%), which led us to assign it to the genus Pseudoalteromonas. Biochemical and physiological study revealed that this strain can grow well at 40oC under a wide range of pH (pH 4~8) in high-salt conditions (10% NaCl).
母球의 크기 및 切片이 토란의 生育과 收量에 미치는 影響
丁蓮圭,崔成圭 순천대학 새마을연구소 1988 새마을硏究論文集 Vol.4 No.-
In order to investigate a possibility of utilizing the mother bulb as a see bulb in taro(Colocasiaantiguorum) mother bulbs classified by size in whole or in cut pieces were transplanted on April 25, 1982. Effects of the size of mother bulbs in whole(80, 100, 120 and 140g , respectively)and the ones cut in two pieces(40, 50, 60, 70g respectively)and a quarter(35g)of a mother bulb on the growth, yield and quality of taro were compared to that raised from bulblet. Mother bulbs and cut mother bulbs showed earlier sprouting than that of bulblet without regard to the size. The larger the size of mother bulbs or cut ones were, the more the number of leaves developed and the higher the yields were. It was thought that the increase of the number of large and havry taroes and relative decrease of smaller ones mainly contributed to the higher yield and better quality obtained by using larger mother bulbs or cut ones.