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First report of the subfamily Cybalomiinae Marion, 1955 (Lepidoptera, Crambidae) in Korea
Tak-Gi Lee,Sol-Moon Na,Dong-June Lee,Ulziijargal Bayarsaikhan,Hyeong-Kyu Kim,Yeong-Bin Cha,Chang-Mun Jang,Yang-Seop Bae 한국응용곤충학회 2018 한국응용곤충학회 학술대회논문집 Vol.2018 No.04
Cybalomiinae is a small subfamily of the family Crambidae, reporting 18 genera, 122 species in the world. However, this subfamily of species are still included in subfamily Pyraustinae in Korea with two species: Trichophysetis cretacea (Butler, 1879) and T. rufoterminalis (Christoph, 1881). Recently, these species transferred to Cybalomiinae by Shaffer et al. (1996). However, it was not considered in Korea. In the present study, we report the subfamily Cybalomiinae from Korea for the first time, with a newly recorded genus. Illustrations of adults, male and female genitalia, diagnosis, description are provided.
Lee, Jung‐,Hyun,Jeon, Hyeong‐,Tak,Kim, Yong‐,Joo,Lee, Kyung‐,Eun,Ok Jang, Young,Lee, Soon W. WILEY‐VCH Verlag 2011 European journal of inorganic chemistry Vol.2011 No.11
<P><B>Abstract</B></P><P>Novel heteroleptic Pd<SUP>0</SUP> complexes with an N‐heterocyclic carbene (NHC) ligand [(Me<SUB>3</SUB>P)Pd(NHC)] (NHC = IPr, <B>1</B>; SIPr, <B>2</B>) were obtained from [Pd(CH<SUB>2</SUB>=CHPh)(PMe<SUB>3</SUB>)<SUB>2</SUB>] and an equivalent of NHC [NHC = 1,3‐bis(2,6‐diisopropylphenyl)imidazol‐2‐ylidene (IPr) or 1,3‐bis(2,6‐diisopropylphenyl)‐4,5‐dihydroimidazol‐2‐ylidene (SIPr)]. Further treatments of complexes <B>1</B> and <B>2</B> with an additional equimolar NHCafforded the corresponding bis(NHC)–Pd<SUP>0</SUP> complexes [Pd(NHC)<SUB>2</SUB>] (NHC = IPr, <B>3</B>; SIPr, <B>4</B>). Complexes <B>1</B>–<B>4</B> readily reacted with dichloromethane or chloroform to give C–Cl oxidative addition products. In addition, the reactivity of complex <B>2</B> toward other organic halides such as bromobenzene, <I>trans</I>‐1,2‐dichloroethylene, and 5,5′‐dibromo‐2,2′‐bithiophene to produce the corresponding oxidative addition products was investigated. Finally, the ligand replacement of complex <B>1</B> with a chelating phosphane was examined.</P>
Two newly recorded species of Pyraustine moths (Lepidoptera: Crambidae) in Korea
Tak-Gi Lee,Dong-June Lee,Ulziijargal Bayarsaikhan,Hyeong-Kyu Kim,Yeong-Bin Cha,Sol-Moon Na,Young-Min Shin,Bo-Sun Park,Yang-Seop Bae 한국응용곤충학회 2018 한국응용곤충학회 학술대회논문집 Vol.2018 No.10
The Pyraustinae is one of the large subfamily in Crambidae. In Korea, more than 60 species in 20 genera of the Pyraustinae have been reported. Recently, Demobotys pervulgalis (Hampson, 1913) and Ecpyrrhorrhoe dissimilis (Yamanaka, 1958) were recorded by Choi et al. (2015). Among of the Pyraustinae, the genera Callibotys and Sinibotys were established by Munroe and Mutuura (1969). In this study, we report two species of genera Callibotys and Sinibotys from Korea for the first time, with a newly recorded genus Callibotys. Illustrations of adults, male and female genitalia, description are provided.
이형탁(Hyeong-Tak Lee),한희정(Hee-Jeong Han),박영제(Young-Je Park),양현(Hyun Yang),조익순(Ik-Soon Cho) 한국항해항만학회 2023 한국항해항만학회 학술대회논문집 Vol.2023 No.1
해양위성의 발달과 첨단화로 우리나라 주변 해역의 광역적인 관리가 가능해졌다. 특히 선박운항 분야에서도 인공지능 및 빅데이터에 기반한 자율운항 기술개발이 이루어짐에 따라, 해양위성자료를 통한 분석 및 관측의 필요성이 있다. 해양위성자료에 선박운항분야를 접목할수 있는 연구는 해양위성 기반 선박탐지, 해양 환경/기상 예측을 활용한 선박운항 보조 등이 있다. With the development and state-of-the-art of ocean satellites, wide-area management of the waters around Korea has become possible. In particular, in the field of ship operation, as autonomous navigation technology based on artificial intelligence and big data is being developed, there is a need for additional analysis and observation through ocean satellite data.. Researches that can combine ship operation with ocean satellite data include ship detection based on ocean satellites and ship navigation assistance using marine weather forecasting.
이형탁(Hyeong-Tak Lee),조익순(Ik-Soon Cho) 한국항해항만학회 2022 한국항해항만학회 학술대회논문집 Vol.2022 No.2
최근 선박 접안 시 사고가 다수 발생함에 따라, 항만 내 선박운항에 대한 안전조치에 대한 필요성이 강조되고 있다. 본 연구는 부산신항만 내 안전조치에 대한 내용을 정량적으로 분석하고자 선박 항적 데이터를 수집하고, 이를 바탕으로 해사인공지능 알고리즘을 적용여 항적패턴을 분석하였다. 그 결과, 부산신항 입출항선박의 변침 지점을 도출하고, 선속·침로의 운용패턴을 제안하였다. Recently, as a number of accidents occur while berthing ships, the need for safety measures for ship operation in ports is emphasized. In order to quantitatively analyze the contents of safety measures in Busan New Port, this study collected ship trajectory data,, and based on this data, applied a maritime artificial intelligence algorithm to analyze the trajectory pattern. As a result, the waypoint of the ship arriving and departing Busan New Port was derived and the operation pattern of the ship's speed and course was proposed.
이형탁(Hyeong-Tak Lee),김민규(Min-Kyu Kim),양현(Hyun Yang) 한국항해항만학회 2023 한국항해항만학회 학술대회논문집 Vol.2023 No.1
현재 선박의 항해계획은 항해사의 지식과 경험적인 방법에 의존하고 있다. 그러나 최근에는 선박 자율운항기술이 발전됨에 따라, 항해계획의 자동화 기술도 여러 가지 방법으로 연구되고 있다. 본 연구에서는 강화학습 기법 중 하나인 Q-러닝을 기반으로 선박 최적 항해 경로를 생성하고자 한다. 강화학습은 다양한 상황에 대한 경험을 학습하고, 이를 기반으로 최적의 결정을 내리는 방식으로 적용된다. Currently, the ship's passage planning relies on the navigator officer's knowledge and empirical methods. However, as ship autonomous navigation technology has recently developed, automation technology for passage planning has been studied in various ways. In this study, we intend to generate an optimal route for a ship based on Q-learning, one of the reinforcement learning techniques. Reinforcement learning is applied in a way that trains experiences for various situations and makes optimal decisions based on them.