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New Korean Record of Setarches longimanus (PISCES: Scorpaenidae)
신의철,김진구,주동수 한국수산과학회 2016 Fisheries and Aquatic Sciences Vol.19 No.2
Setarches longimanus (Alcock 1894), in the family Scorpaenidae, was collected from Busan and the coastal waters of Jeju Island,Korea,inJanuaryandNovember2014,respectively.TwospecimensarecharacterizedbyXI,10dorsalfinrays; 19–21pectoralfinrays; III, 5 anal fin rays; a second preopercular spine much shorter than the first and third; and an interorbital width 11.3 %–11.6 % of the standard length. We also analyzed 587 base pairs of the mitochondrial DNA cytochrome c oxidase subunit I sequences in order to confirm the taxonomic status of the specimen. As a result, the sequences of our specimen almost corresponded to those of Chinese S. longimanus (genetic distance, d = 0.005), but considerably differed from those of S. guentheri (d = 0.120–0.124). We propose the new Korean names “Ma-su-gampeng- sok” for the genus Setarches, and “Bul-geun-ma-su-gam-peng” for the species S. longimanus.
공동체의식 함양을 위한 집단프로그램의 효과성 연구: 지역아동센터를 중심으로
주동해(Ju, Dong Hae),정원철(Jeong, Weon Cheol) 한국복지상담교육학회 2020 복지상담교육연구 Vol.9 No.1
본 연구의 목적은 지역아동센터 이용아동을 대상으로 공동체의식을 증진하기 위한 집단프로그램의 효과성을 검증하는 것이다. 이를 위해 공동체의식에 관한 문헌을 고찰하고 공동체의식의 향상을 목적으로 하는 집단프로그램을 고안하였다. 고안된 집단프로그램의 효과성을 검증하고자 본 연구의 취지에 동의하는 1개 지역아동센터를 선정하고 본 센터 이용아동 중에서 참여의사를 보인 24명을 선발하여 무작위로 실험집단 12명, 비교집단 12명으로 구성하였다. 본 집단프로그램의 효과성은 비동일 집단 사전-사후 검증 방식을 활용하였다. 연구결과는 다음과 같다. 첫째, 비교집단에서는 공동체의식의 변화가 통계적으로 유의하지 않은데 반해, 실험집단에서는 공동체의식에 긍정적 변화가 확인되어 공동체의식 집단프로그램의 효과성이 검증되었다. 둘째, 공동체의식의 하위요인별로 나타난 결과를 살펴보면 구성원의식, 상호영향의식, 정서적 연계 영역에서 유의한 효과가 있었다. 이에 반해 욕구와 충족의 통합영역은 효과성이 입증되지 않았다. 끝으로 본 연구결과를 토대로 지역아동센터에서 집단프로그램을 발전시킬 수 있는 몇 가지 방안을 제시하였다. The purpose of this study is to examine the effectiveness of group program for improving community sense for the children in community child center. For the purpose of this study, the authors reviewed related papers and developed group program for improving community sense. In order to verify the effectiveness of the group program, 24 children who participated in the center were randomly selected from 12 experimental groups and 12 comparative groups. This study applied non-equivalent control group pretest-post design. The results of the study were as follows. First, group program for improving community sense was proved to be effective on increasing community sense of kids attending community child center. Second, the results of each subfactor of community sense had significant effects in the areas of membership, influence, and emotional linkage. On the other hand, integrated area of needs and satisfaction had not proven effective. Finally, based on the results of this study, some suggestions were made to develop group programs at the community child center.
IN738LC 합금의 열간 노출 및 재생 열처리에 따른 미세조직과 응력 파단 특성의 변화
최백규,주동원,김인수,장중철,조창용,Choe, Baek-Gyu,Ju, Dong-Won,Kim, In-Su,Jang, Jung-Cheol,Jo, Chang-Yong 한국재료학회 2001 한국재료학회지 Vol.11 No.11
Effects of thermal exposure and rejuvenation treatment on the microstructural evolution and the stress-rupture properties of IN738LC have been investigated. The role of precipitates on the stress-rupture properties has been analyzed through microstructural observations. Thermal exposure at $982^{\circ}C$ for 1000 hours gave rise to precipitation of $\sigma$ phase and coarsening of r'. The microstructural degradation with thermal exposure at $982^{\circ}C$ deteriorated stress rupture properties of the alloy. All the existing phases except MC carbides have completely dissolved into the matrix with homogenization treatment at $1200^{\circ}C$ for 2 hours. Microstructure and stress-rupture properties of the thermal exposed specimens have been successfully rejuvenated by the proposed treatment.
IN738LC 합금의 열간 노출 및 재생 열처리에 따른 미세조직과 응력 파단 특성의 변화
최백규,주동원,김인수,장중철,조창용,Choe, Baek-Gyu,Ju, Dong-Won,Kim, In-Su,Jang, Jung-Cheol,Jo, Chang-Yong 한국재료학회 2001 한국재료학회지 Vol.11 No.10
Effects of thermal exposure and rejuvenation treatment on the microstructural evolution and the stress-rupture properties of IN738LC have been investigated. The role of precipitates on the stress- rupture properties has been analyzed through microstructural observations. Thermal exposure at $982^{\circ}C$ for 1000 hours gave rise to precipitation of $\sigma$ phase and coarsening of ${\gamma}$'. The microstructural degradation with thermal exposure at $982^{\circ}C$ deteriorated stress rupture properties of the alloy. All the existing phases except MC carbides have completely dissolved into the matrix with homogenization treatment at $1200^{\circ}C$ for 2 hours. Microstructure and stress-rupture properties of the thermal exposed specimens have been successfully rejuvenated by the proposed treatment.
권인표,박찬훈,주동철,이병기,최기현,김정환 대한건축학회지회연합회 2006 대한건축학회지회연합회 학술발표대회논문집 Vol.2 No.1
We used some materials, so that a few cements, additives and pigment, to test the durability of concrete. The method of the test was KS F 2403(Method of making and curing concrete specimens), KS F 2405(Method of test for compressive strength of concrete), KS F 2441(Testing method for comparing concrete on the basis of the bond developed with reinforcing steel), KS F 2456(Testing method for resistance of concrete to rapid freezing and thawing), KS F 2711(Testing method for electrical indication of concrete’s ability to resist chloride ion penetration). In result, we could improve the durability of a white color concrete and construct successfully.