• Journal of Species Research
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• 제8권1호
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• pp.109-112
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• 2019

Henricia specimens were collected using fishing nets from 14 November 2012 to 8 June 2018 from the East Sea of Korea. The specimens were identified as Henricia sanguinolenta (O.F. $M{\ddot{u}}ller$, 1776), belonging to the family Echinasteridae of the order Spinulosida, which is known for its wide distribution throughout the world. This species can be distinguished from other Henricia species by long arms (R/r=6-6.8), thick arm base, coarser stubby abactinal spines with more than ten apical points, and visible longitudinal series of actinal ossicles. Previously, eight species of the genus Henricia were reported in the Korean fauna. The morphological characteristics of this species were prepared and described with illustrations.

• Animal Systematics, Evolution and Diversity
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• 제35권2호
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• pp.91-94
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• 2019

An asteroid specimen was collected by using a fishing net from the waters near Daejin harbor, in the East Sea of Korea on 3 Mar 2017. Based on morphological characteristics, the specimen was identified as Aleutihenricia beringiana (Djakonov, 1950), belonging to the family Echinasteridae, of the order Spinulosida. The genus Aleutihenricia was first described by Clark and Jewett, 2010. This species can be distinguished from other Aleutihenricia species by having a roundish protruding shape of abactinal and actinal plates, the number of abactinal spines bearing three to eight spinelets, and the number of adambulacral spines comprising six to eight spinelets. This is the first report of the genus Aleutihenricia and A. beringiana in Korea.

• 환경생물
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• 제38권4호
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• pp.563-566
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• 2020

Henricia specimens were collected using fishing nets from the East Sea of Korea. The specimens were identified as Henricia oculata Pennant, 1777, belonging to the family Echinasteridae of the order Spinulosida. This species can be distinguished from other Henricia species by broad arms (R/r=4-4.1), rough skin, a thick arm base, three to nine minute delicate abactinal spines, and inferomarginal plates reniform in shape. This species superficially resembles H. pachyderma in its body size and wide papular areas but differs mainly in the number of papulae and abactinal spines, and the shape and arrangement of the inferomarginal plates. To date, two genera of Echinasteridae, Aleutihenricia and Henricia, with a total of 13 species, have been reported in Korea. The morphological characteristics of H. oculata are described, and photographs are provided.

• 설비공학논문집
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• 제9권2호
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• pp.189-197
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• 1997

The vaporizing characteristics of LNG(liquefied natural gas) via heat exchanger with sea water are analytically studied for an open rack vaporizer(ORV). This study is intended to supply the design data for the domestic fabrication of the corrosion-resistant vaporizer tube. A computational program is developed to predict the exit temperature of LNG for various conditions. In the program, thesimple and justifiable heat transfer models are selected for fully-developed internal flow of LNG, the star-shaped finned-tube, and the external falling films of sea water, as well as the possible ice formation and the fouling on the tube walls. It is found that the enongh corrugation inside of the tube wall is the most significant in the vaporizer performance for the current operating conditions. the effects of other design parameters on the heat exchanger between LNG and sea water are quantitatively presented.

• Animal cells and systems
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• 제8권3호
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• pp.165-186
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• 2004

Five new species of copepods associated with marine invertebrates are described from shallow water of the Pacific coast of Panama. They are Pseudomacrochiron pocilloporae n. sp., Acontiophorus panamensis n. sp. and Asterocheres urabensis n. sp. associated with the scleractinian coral Pocillopora damicornis (Linnaeus), Asterocheres pilosus n. sp. associated with the echinoid Eucidaris thouarsii (Valenciennes), and Asterocheres walteri n. sp. associated with the sea star Oreaster brevispinis.

• Animal Systematics, Evolution and Diversity
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• 제26권3호
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• pp.349-351
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• 2010

Some asteroid specimens were collected from the subtidal zone near Gapado, Jejudo Island with fishing net on June 2010. Among them, Anseropoda petaloides (Goto, 1914) which belongs to the family Asterinidae of the order Valvatida turned out to be a new record from Korea. Morphological characters of this species collected at 130 m deep are redescribed with photographs. This species is characterized by its very thin body composed of plates imbricated into each other like scales. Twenty four asteroids are currently known from Jejudo Island, Korea.

• Animal Systematics, Evolution and Diversity
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• 제25권3호
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• pp.291-294
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• 2009

A asteroid species, Pentaceraster regulus (M$\ddot{u}$ller and Troschel, 1842), was collected by SCUBA diving in Seogwipo, Jejudo Island on August 2008, and reported herein as new to Korea. Diagnostic description and digital images of the species were provided.

• Animal Systematics, Evolution and Diversity
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• 제31권4호
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• pp.311-315
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• 2015

Euryalid specimens were collected from Gonghyeonjin and Daejin, Gangwon-do in the East Sea, Korea at a depth of 250-300 m by fishing nets on November 2013 and August 2014. They were identified as Gorgonocephalus arcticus Leach, 1819 belonging to family Gorgonocephalidae of order Euryalida, which was new to the Korean fauna. Nucleotide sequences of partial mitochondrial cytochrome c oxidase I (mt-COI) gene, which was 569 bp in length, were compared among four Gorgonocephalus species, and were subsequently employed to reconstruct phylogenetic trees using the MP, ML, and BI methods. As a result, no sequence difference was found between the G. arcticus mt-COI gene sequences from Korea and Canada, and the two made a strong monophyletic group. With the newly recorded G. arcticus in Korea, in total, four Gorgonocephalus species have been reported in Korea.

• 대한전자공학회:학술대회논문집
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• 대한전자공학회 2003년도 하계종합학술대회 논문집 V
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• pp.2521-2524
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• 2003

Since inertial sensor errors which increase with time are caused by initial orientation error and sensor errors (accelerometer bias and gyro drift bias), the accuracy of these devices, while still improving, is not adequate for many of today's high-precision, long-duration sea, aircraft, and long-range missile missions. This paper presents a navigation error compensation scheme for Strap-Down Inertial Navigation System (SDINS) using Line-Of-Sight(LOS) vector from star sensor. To be specific, SDINS error model and measurement equation are derived, and Kalman filter is implemented. Simulation results show the bounded-ness of position and attitude errors.

• 한국콘텐츠학회:학술대회논문집
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• 한국콘텐츠학회 2017년도 춘계 종합학술대회 논문집
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• pp.191-192
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• 2017

자본주의의 태동 이후 산업혁명과 정보혁명 등 기업은 끊임없이 새로운 혁명적 환경에 노출되고 있으며 이에 따라 기업가 정신 또한 시대에 따라 재정의 되어 왔다. 기업가 정신은 창업 기업 뿐 아니라 기존 기업에 있어서도 기업 경영의 커다란 원동력으로 자리 잡고 있다. 씨써클은 문화의 새로운 명칭으로, 구성요소에는 오픈 마인드와 스피릿이 있으며 창의성과 포용성, 영성을 내포하고 있다. 본 논문에서는 기업가 정신을 씨써클 관점에서 파악하여 이를 기업에 적용할 수 있는 틀을 제시하고자 한다.