목초품종의 분할단파에 의한 초지적정이용기간연장

박병훈,심재성 ( Byung Hoon Park,Jai Sung Shim ) 한국축산학회 1982 한국축산학회지 Vol.24 No.2

An attempt has been made to extend the Optimum Utilization Period (OUP) of grassland through the use of sequential utilization of grass cultivars during the primary growth of grass. This experiment was carried out on the experimental field of Giessen University in Germany during the years 1977 to 1979. The results obtained are summarized as follows: 1. A substantial improvement of forage quality could be achieved by the sequential utilization of available grass cultivars. 2. The termination and duration of OUP was more closely related to development of grass than to calendar dates and OUP was from the development of 2nd node to boots-stage. 3. The duration of OUP in the sequential utilization of grass cultivars was 48 days, while it was 18 days in mixture grassland. 4. Without regard to grass growth, the forage quality of 2nd and 3rd growth was comparatively stable within the optimum range from an animal nutrition point of view. 5. The intake and utilization rate of forage in the sequential utilization of grass cultivars were shown 7,295 DM kg per hectare and 74% respectively. The figures are larger than those of mixture grassland. 6. The intake and utilization rate of forage in mixture grassland were appropriately better in early utilization, although dry matter yield was poor. In contrast to this, the intake and utilization rate of forage in latter utilization were poor, although dry matter yield was high. There were, therefore, a lot of forage rest on the field.

대학생의 승마운동 참여제약과 여가만족 및 참여의도간의 구조적 관계 분석

박병훈(Park, Byung-Hoon),최경훈(Choi, Kyung-Hoon) 한국체육과학회 2016 한국체육과학회지 Vol.25 No.3

The purpose of this study is to investigate the structural relationship between the degree of participation of the pharmaceutical equestrian sports participants in college, leisure satisfaction and involvement. Specifically, this involved the effect of different pharmaceutical satisfaction, leisure satisfaction via a different effect on leisure, recreation participation constraint satisfaction on the degree of participation was to examine the indirect effects on the degree of participation. Participants of this study is to target college students nationwide six regional riding clubs, universities, leisure equestrian sports participants was 325 people more than six months from the horse riding. The collected data correlation, through the multiple regression analysis, the path analysis and covariance structure analysis results were as follows. First, the unit participated in leisure constraints satisfaction appeared to affect, the positive (+) (-). Second, leisure satisfaction was found to having a positive effect on the degree of participation. Third, the participation constraint is also part of the leisure satisfaction through participation (-), induce the indirect effect of the positive (+). These results are discussed based on the conceptual framework of the participation constraint model theory.

초음속 디퓨져 시동 과정에 관한 수치 모사

박병훈(Byung-Hoon, Park),임지환(Ji-Hwan, Lim),윤웅섭(Woong-Sup, Yoon) 한국추진공학회 2005 한국추진공학회 학술대회논문집 Vol.2005 No.11

레저 승마 참여자의 참여 동기, 심리적 욕구 및 행동의도간의 구조적 관계 분석

박병훈(Park, Byung-Hoon),황철상(Hwang, Cheol-Sang) 한국체육과학회 2016 한국체육과학회지 Vol.25 No.1

The purpose of this study lies in revealing the structural relationship between participation motivation, psychological needs and exercise satisfaction, behavioral intentions among leisure horse riding participants. Specifically, a study will be done to find out the different effects participation motivation have on basic needs, the different effects psychological needs has on behavioral intentions and the direct effects participation motivation, through the medium of basic needs, have on behavioral intentions. The number of participants of this study totaled 328 people who had been leisure horse riding participants for over six months as members of 10 horse riding clubs in Jeju Island. The following results have been obtained after analyzing the collected data through correlation analysis, multiple regression analysis and covariance structure analysis. Firstly, participation motivation had a positive effect on psychological needs. Secondly, psychological needs had a positive direct effect on behavioral intentions. Third, participation motivation had a positive direct effect on basic needs through the medium of behavioral intentions. The results of this study were discussed on the basis of the conceptual framework of self-determination theory.

승마 참여자가 지각하는 서비스품질과 이용만족 및 재방문의도의 구조적 관계 분석

박병훈(Park, Byung-Hoon),황철상(Hwang, Cheol-Sang) 한국체육과학회 2015 한국체육과학회지 Vol.24 No.5

This study aims to investigate how horse riders perceive structural relationship of service quality, user satisfaction, and revisitation. The subjects of this study were horse riding club members in J region who have participated for more than six months. A survey was taken using convenience sampling method together with three assistant researchers from May to July 2015. In total, 500 surveys were returned, out of 550 surveys, to be used in the final analysis. The collected data underwent one-way ANOVA, confirmatory factor analysis, Pearson"s correlation analysis, structural equation modeling (SEM) using SPSS WIN 18.0 and AMOS 18.0 program. The result obtained through this study method and procedure is as follows: First, there was a positive correlation among factors of service quality, user satisfaction, and revisitation. Second, accessibility, user convenience, safety, and communication had a significant direct positive effect on user satisfaction. Third, service quality had indirect positive effect on revisitation through user satisfaction.

신경유육종증이 병발한 폐유육종증

박병훈 ( Byung Hoon Park ),박선철 ( Seon Cheol Park ),신상윤 ( Sang Yun Shin ),전한호 ( Han Ho Jeon ),정경수 ( Kyung Soo Jung ),정우영 ( Woo Young Jung ),변민광 ( Min Kwang Byun ),문지애 ( Ji Ae Moon ),김영삼 ( Young Sam Kim ) 대한결핵 및 호흡기학회 2007 Tuberculosis and Respiratory Diseases Vol.62 No.6

Sarcoidosis is a multi-systemic syndrome of an unknown etiology, and it is characterized by the formation of multiple noncaseating granulomas that disrupt the architecture and function of the tissues in which they reside. The most commonly affected organs are lung, skin and lymph nodes. Overt clinical involvement of the nervous system is uncommon and this occurs in about 5% of all patients during the course of their disease. The most common manifestations are granulomatous leptomeningitis, cranial nerve palsy, electrolyte or other endocrinologic abnormalities, but isolated memory impairment is a rare manifestation. This is a case of 59 years-old male with recent memory impairment, and he was previously diagnosed with pulmonary sarcoidosis by transbronchial lung biopsy. The brain MRI imaging revealed the leptomeningeal and parenchymal involvement of sarcoidosis. He was treated with high dose corticosteroid and his memory function was improved to nearly a normal level. We report here on a case of successful treatment of pulmonary sarcoidosis combined with neurosarcoidosis with using high dose corticosteroid, and the patient presented with recent memory impairment. (Tuberc Respir Dis 2007; 62: 549-553)

승마참여 동기가 운동만족 및 운동지속의도의 구조관계 분석

박병훈(Park, Byung-Hoon),황철상(Hwang, Cheol-Sang) 한국체육과학회 2015 한국체육과학회지 Vol.24 No.4

The purpose of this study was to examine the effect of horse riding participation motivation on exercise satisfaction and exercise adherence intention. The subject of this study was selected amongst club members who participated in horse riding for more than three months in horse riding clubs in Jeju region. Four hundred surveys were collected and used in the final analysis out of total 450 surveys which were distributed using convenience sampling method from March 2015 to May 2015 together with three research assistants. One-way ANOVA, confirmatory factor analysis, Pearson’s correlation analysis, and structural equation model(SEM) were performed on the collected data by using SPSS WIN 18.0 and AMOS 18.0. The conclusion drawn from this research method and process is as follows: First, health motive, social motive, educational motive, enjoyment motive, communication motive had positive correlations with exercise satisfaction and exercise adherence intention. Second, health motive, social motive, educational motive, enjoyment motive, communication motive had significant positive effects on exercise satisfaction. Third, it was found that horse riding participation motivation had positive indirect effects on exercise adherence intention through exercise satisfaction.

이웃과의 관계 만족도가 주거만족도에 미치는 영향 분석

박병훈(Park, Byung Hoon),정의철(Chung, Eui Chul) 한국부동산연구원 2021 부동산연구 Vol.31 No.3

본 연구에서는 이웃과의 관계 만족도가 주거만족도에 미치는 영향과 이웃과의 관계 만족도 형성 요인을 가구의 생애주기별로 실증 분석하였다. 주거만족도 추정 시 이웃과의 관계 만족도가 내생적 설명변수일 가능성을 통제하기 위해 주거만족도에 대한 순서형 프로빗 모형과 이웃과의 관계 만족도에 대한 프로빗 모형을 축차형 연립방정식 모형으로 추정하였다. 2019년 주거실태조사 자료를 이용하여 모형을 추정한 결과, 이웃과의 관계 만족도는 주거만족도 추정 시 내생적 설명변수로 나타났으며, 이웃과의 관계 만족도를 외생변수로 가정하였을 때 이웃과의 관계 만족도가 주거만족도에 미치는 효과를 과소평가하는 것으로 나타났다. 이웃과의 관계에 대해 만족한다고 응답한 가구는 그렇지 않은 가구에 비해 주거만족도에 대해 만족한다고 응답할 확률이 평균적으로 8%p 높았다. 이 효과는 생애주기에 따라 달랐으며 가구 확대기와 가구 해체기에 속한 가구에서 상대적으로 높았다. 한편 자가 거주는 이웃과의 관계 만족에 가장 중요한 영향 변수였다. 또한 가구 형성기와 가구 확대기에 속하는 가구의 경우 18세 이하 자녀 수가 이웃과의 관계 만족에 중요한 변수로 분석되었다. This study empirically examines the effect of satisfaction with neighbor relationships on residential satisfaction of Korean households. To control for endogeneity of satisfaction with neighbor relationships to residential satisfaction and to identify factors to influence satisfaction with neighbor relationships, this study recursively estimates an ordered probit model for residential satisfaction with a probit model for satisfaction with neighbor relationships, using the data of Housing Survey in 2019. Estimation results show that the satisfaction with neighbor relationships is endogenous to residential satisfaction. If endogeneity is not considered, estimation results underestimate the effect of satisfaction with neighbor relationships on residential satisfaction. When estimated using a full sample of households of all ages, households who have satisfactory relationships with neighbors have 8 percentage points higher probability of being satisfied with their residence than those who have unsatisfactory neighborhood relationships. The marginal effect is relatively higher for the young group of households whose heads are younger than 38 years. The results also hold for the old group of households, whose heads are older than 75 years. Although homeownership is the most important determinant of satisfied relationships with neighbors, the number of children under 18 years of age appears to be a critical factor to have satisfied neighbor ties in the earlier stages of the life cycle.

액체 로켓 엔진시스템 개념설계를 위한 모듈화 프로그램 Part Ⅱ : 통합 모듈화 프로그램

박병훈(Byung Hoon Park),양희성(Hee-Sung Yang),김원호(Wonho Kim),윤웅섭(Woongsup Yoon) 한국항공우주학회 2007 韓國航空宇宙學會誌 Vol.35 No.9

액체 로켓 엔진시스템 개념설계를 위하여 주요 엔진 구성품들에 대한 모듈 프로그램을 통합한 성능 설계 프로그램을 작성하였다. 구성품에 대한 모듈 프로그램은 설계 인자를 수학적으로 묘사하였고, 구성품 간의 유량과 압력을 매칭시켜 각 모듈 프로그램을 통합함으로써 반복계산을 통해 엔진 성능을 예측하는 모듈화 프로그램을 작성하였다. 구성품간의 유량이 조율되고, 유량의 함수로 계산된 각 구성품에서의 압력강하량을 합산하여 터보펌프 출구조건을 부여하도록 하였다. 프로그램의 계산과정과 설계방법을 간략하게 제시하고, 결과는 검증 모델 엔진의 데이터와 비교하여 검증하였다. With a view to building up a program used in conceptual design of liquid rocket engine system, a preliminary performance-based code for an integrated engine system has been developed by incorporating sub-modular programs for each essential engine component. Modular descriptions for each component were formulated mathematically with essential parameters. In the whole iterative circuits for predicting engine performance, matching conditions of mass flow rate and pressure drop through each engine component have been considered. Mass balance calculations at each inter-component boundary are found smoothly converged. All the pressure drops through engine components as a function of mass flow rate are added up to provide turbo-pump outlet condition. In this paper, the flow chart for each iterative circuit and design methodologies are presented. Resultant predictions are validated with real engine data.

유럽통합이 동북아에 주는 시사점

박병훈(Park, Byung-Hoon),김형민(Kim, Hyung-Min) 동국대학교 사회과학연구원 2013 사회과학연구 Vol.20 No.2

동유럽의 몰락으로 자유주의와 공산주의 세력의 대결이 자유주의 세력의 승리로 끝나면서 탈냉전 시대가 도래한 지 20여 년이 흘렀지만, 동북아 지역은 여전히 대립과 긴장의 연속선상에 있다고 해도 과언이 아니다. 현재 동북아는 북한이 3차 핵실험을 통해 ‘핵보유국’ 지위를 선언하면서 동북아에서의 신냉전·군비경쟁이 가속화되는 최악의 시나리오에 대한 우려가 커지고 있으며, 북핵문제로 인한 남북, 북미 간의 경색과 갈등, 최근 일본 각료들의 야스쿠니 신사참배 문제로 불거진 한중일 간의 역사문제, 한일 간 독도영유권 문제, 중일 간 댜오위다오 영토분쟁 문제, 미중 간 동북아와 세계질서의 패권 확보를 위한 치열한 신경전 등 북중 동맹과 한미일 동맹 속에 중일, 한일 갈등까지 내포되어 냉전시대의 미소 양자를 중심으로 대결하던 단순한 구도에서 다자간의 얽히고 설킨 복잡하고 독특한 갈등구도가 전개되고 있다. 본 논문은 동북아 국가들의 정치·군사적 갈등요인이 해소되고 상호신뢰를 바탕으로 개방적인 지역협력을 해나갈 때 동북아가 세계경제를 선도하는 지역으로 발돋움할 가능성은 충분하다고 주장한다. 또한, 경제적 협력이 정치적 협력으로까지 확대될 수 있다는 기능주의적 사고의 관점으로 볼 때, 동북아에서의 개방적인 지역협력의 심화는 현재 동북아 개별국가 간에 내재한 정치·군사적 문제를 해소할 하나의 방안이 될 수도 있을 것이다. 특히, 이미 개별국가 차원에서의 협력이 진행되고 있는 경제적 분야나 초국가적 대응을 필요로 하는 비전통 안보영역에서의 협력은 개별 국가의 주권이 걸린 정치·군사·외교안보 분야의 협력보다는 한층 실현 가능성이 높기 때문에 우선하여 추진한다면 협력의 파급효과(spill-over)로 인해 정치·군사·외교안보 분야의 협력도 가능할 것으로 본 논문은 주장한다. It is no exaggeration to say that the Northeast Asian region is still in a state of conflict and tension, with growing worries about a new, accelerating arms race in the region, triggered by North Korea’s self-proclaim as a “nuclear weapon state.” In this paper, we argue that the Northeast Asian region has an ample chance to take a great leap forward and take over the flagship role in the world economy if it succeeds in resolving the causes of current interstate political and military conflicts, and if states in the region join forces and efforts for regional development based on mutual trust and a liberal approach. In addition, in view of the functionalist theory, deepening liberal cooperation among the regional countries will serve as a countermeasure against the current political and military problems among individual countries. Specifically, this paper holds the view that collaborations already in progress at the level of individual countries in economic areas and non-conventional security areas, which require cross-border joint actions, will eventually open the door to cooperation in political, military, diplomatic, and national security areas. This approach of making use of the cooperation-driven spill-over effect has substantially higher odds of success than the approach of directly addressing collaboration in political, military, diplomatic, and national security areas, in which the sovereignty of individual countries is at stake.