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강성칠 ( Kang Seongchil ),한봉호 ( Han Bongho ),박석철 ( Park Seokcheol ),최진우 ( Choi Jinwoo ) 한국환경복원기술학회(구 한국환경복원녹화기술학회) 2016 한국환경복원기술학회지 Vol.19 No.4
This study was carried out to the structure of plant community, and ecological succession sere of forest ecosystem in Soguemgang Valley, Odaesan National Park. Fifteenth plots(size is 20m×20m) were set up and the results analyzed by DCA which is one of the ordination technique showed that the plant communities were divided into seven groups which area community I(Quercus variabilis-Pinus densiflora community), Ⅱ(Pinus densiflora community), Ⅲ(Pinus densiflora-Quercus variabilis community), Ⅳ(Pinus densiflora-Quercus serrata community), Ⅴ(Quercus serrata community), Ⅵ (Pinus densiflora-Deciduous broad-leaved plant community), Ⅶ(Cornus controversa-Carpinus laxiflora community). Shannon diversity index per 400㎡ was to 0.7777 to 1.1440 and the age of Pinus densiflora 86 years old, Quercus variabilis was ranged from 66 to 87 years old, Quercus serrata was ranged from 51 to 62 years old, Carpinus laxiflora was 94 years old. In 2013, the succession trend was predicted Pinus densiflora→Quercus variabilis, Quercus serrata →Cornus controversa, Carpinus laxiflora. The ecological sucession progress has declined power of the Pinus densiflora and the increased power of the deciduous broad-leaved and Quercus spp. in Soguemgang Valley, Odaesan National Park. Quercus serrata and Quercus variabilis communities that judged Pinus densiflora were progressing by direction of landform. The southern slopes vegetation were progressing for Quercus variabilis, the northern slopes vegetation were progressing for Quercus serrata. In flat Valley, mainly native species of Cornus controversa, Carpinus laxiflora are predicted ecological succession for deciduous broad-leaved tree community.
A Note on Collusion and the Form of Wage Schemes
Park, Jinwoo 국민대학교 경제연구소 1997 국민경제연구 Vol.20 No.-
본 논문은 Park(1997)의 논문에서 사용된 임금구조를 일반적인 임금구조의 경우로 확장하여 부정부패를 방지하기 위한 조직의 최적구조를 살펴보고 있다. 본 논문에서 의하면 일반적인 임금구조와 Park(1997)에서 사용된 단순임금구조의 사이에는 대등결과(equivalence results)가 성립하고 있기 때문에 Park(1997)의 결과가 보다 일반적인 임금구조에서도 성립한다. The result of Park(1997) is extended for more general wage schemes such as fully or partially contingent wage schemes. We show that there exist equivalence results between wage schemes, so that the analysis can be done under simple wage schemes such as constant or bonus wage scheme. This equivalence results between wage schemes guarantees that the qualitative results do not change under more general wage schemes and complications of high dimensionality are not necessary.
Park, JoongHeung(박중흥),Park, JinWoo(박진우),Lee, HyunSu(이현수) 한국장애인재활협회 2018 재활복지 Vol.22 No.1
The purpose of this study was to analyze the relationship between social interaction, role acquisition, and self-identity of people with physical disabilities participating in daily sports. In order to accomplish the purpose of this study, people with physical disabilities residing in Busan, Gyeongnam, and Gyeongbuk were set as a population. Among them, 384 people with physical disabilities participating in daily sports were sampled using convenience sampling. Data were analyzed by frequency analysis, exploratory factor analysis, reliability analysis, multiple regression analysis, and simple regression analysis using the SPSS 23.0 program. The results were as follows. As a result of analyzing the effects of participation level of daily sports for people with physical disabilities on social interaction, role acquisition, and self-identity, first, participation period had a significant effect on ego-identity. Second, participation time did not have a statistically significant effect on social interaction, role acquisition, and self-identity. Third, participation frequency had a significant effect on social interaction, role acquisition, and self-identity. In addition, social interaction, role acquisition, and self-identity showed a statistically significant correlation with positive effects as a result of analyzing the relationship between social interaction, role acquisition, and self-identity. 본 연구의 목적은 생활체육에 참여하는 지체장애인의 사회적상호작용, 역할취득 및 자아정체성 간의 영향관계를 분석하는데 있다. 본 연구의 목적을 달성하기 위하여 부산, 경남, 경북에 거주하고 있는 지체장애인을 모집단으로 설정하였으며, 이들 중 생활체육에 참여하고 있는 지체장애인 384명을 편의표집방법을 이용하여 표집하여 분석하였다. 자료처리는 SPSS 23.0 프로그램을 이용하여 빈도분석, 탐색적요인분석, 신뢰도분석, 중다회귀분석과 단순회귀분석을 실시하였다. 결과는 다음과 같다. 지체장애인의 생활체육 참여정도가 사회적상호작용, 역할취득 및 자아정체성에 미치는 영향을 분석한 결과, 첫째, 참여기간은 자아정체성에 유의한 영향을 미치는 것으로 나타났다. 둘째, 참여시간은 사회적 상호작용, 역할취득, 자아정체성에 통계적으로 유의한 영향을 미치지 않는 것으로 나타났다. 셋째, 참여빈도는 사회적 상호작용, 역할취득, 자아정체성에 유의한 영향을 미치는 것으로 나타났다. 그리고 사회적상호작용, 역할취득 및 자아정체성 간의 영향관계를 분석한 결과, 사회적상호작용, 역할취득 및 자아정체성 간에 통계적으로 유의미하게 정적인 영향을 미치는 것으로 나타났다.
Charging effects on the vibrational properties of Au and Au2 on MgO(100)
Park Jong Hwan,Yang Jeong Woo,Byun Min Gyo,Hwang Nong Moon,Park Jinwoo,Yu Byung Deok 한국물리학회 2022 Current Applied Physics Vol.36 No.-
Vibrational spectra of charge-neutral and charged Au and Au2 on MgO(100) were investigated using ab-initio density functional perturbation theory. The calculated vibrational spectra showed vibrational features associated with the charge states of Au and Au2 on MgO(100). Further analyses of surface in-plane and normal phonon modes of Au and Au2 on MgO(100) were performed to extract vibrational features involving the Au modes. These features provide important information for experimentally explaining the charge states of Au and Au2 on MgO (100).