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객체지향기법에서 Static 모델과 Event와의 통합 방안 연구
박희일,맹경재,김정태 한국경영과학회 1996 한국경영과학회 학술대회논문집 Vol.- No.1
객체지향 기술에서 개념적 모델리을 위해 크게 객체의 정적인 측면과 동적인 측면의 두가지 관점으로 접근하고 있다. 본 연구에서는 시스템의 파악과 구현을 위해 이러한 두가지 이질적인 관점을 나누어 접근하는 것이 아니라 객체의 정적인 측면(Static)과 동적인 측면인 Event를 통합한 방법론을 제시하고 있다.
박희일 관광경영학회 1999 관광경영연구 Vol.6 No.-
This study tries to identify the ways to change travel agents function on terms of professionalization. In order to be perceived and trusted as information-based total service enterprise, Korean travel agents should provide high quality information on tour through the establishment of qualification system on professional and the construction of information systems. For professional travel system to be implemented in the Korean travel industry, what should be considered are as follows. First, in institutional aspect, the enactment of lawful regulations related to travel agents. Second, travel agents have to continually invest in staffing and development of professional personnel which is key factor in the changes of future travel agency functions. In addition, the scientific and systematic management of the practices of travel agents and the travel information system are required to identify and provide the dynamic, accurate and on-line real time information on broad areas. Finally, the changes in the tourists' thoughts on tour toward the socially sound direction and the tour culture of educational tourism are required.
지역주민들의 쓰레기 재활용 행태의 결정요인에 관한 연구
박희서(朴喜緖) 한국지방정부학회 2007 지방정부연구 Vol.10 No.4
이 연구는 개인의 재활용 행태에 초점을 맞추어 재활용 행태의 결정요인을 분석해 본 연구이다. 먼저 인간행태의 주요이론과 재활용에 관한 선행연구들을 토대로 인과모형을 설정한 다음, 소비자들을 대상으로 표본추출하여 실증적으로 분석해 보았다. 실증분석 결과, 재활용 태도, 재활용 정서, 재활용 경험 등이 재활용 행위에 유의미한 영향을 미치고 있는 것으로 나타났으며, 주관적 경험은 재활용 관심도가 높은 경우에 유의미한 영향을 미치고 있는 것으로 나타났다. 재활용 관심도의 조절효과 분석에서는 재활용 관심도가 재활용 태도→ 재활용 행위, 재활용 정서 → 재활용 행위 사이의 관계에 영향을 미치는 것으로 나타났다. 본 연구에서는 이러한 분석결과를 토대로 이론적ㆍ정책적 함의를 제시하였다. This study attempts to identify some of the determinants of Local Residents’ waste recycling behavior. In this study, the causal model for recycling behavior is established based on prior research and TPB. The findings of this research indicate that attitudes toward recycling, affection toward recycling and recycling behavior has a significant effect on waste recycling behavior. And subjective norm has a significant effect on waste recycling behaviors if only concern toward recycling ie. attitude strength is strong. Moderator analyses show that for waste recycling behaviors, affect plays a lesser role when concern toward recycling is strong. This paper discusses theoretical and public policy implications based on these findings.
박희일,이기은 한국관광정책학회 2001 觀光政策學硏究 Vol.7 No.2
This study examined the relationships between career satisfaction and job attitudes in a sample of 153 travel agent employees and the moderating effects of education in their relationships. Results showed that career satisfaction has significant effect on organizational commitment, turnover intention, career commitment, and work motivation and that education level has moderating effect on the relationships between career satisfaction and turnover intentions and between career satisfaction and career commitment. Finally, the implications and the limitations of this study were discussed.
무극광산(無極鑛山) 삼형제맥(三兄弟脈)의 금은광화작용(金銀鑛化作用)
박희인,강성준,Park, Hee-In,Kang, Seong Jun 대한자원환경지질학회 1988 자원환경지질 Vol.21 No.3
The Mugeug gold deposits is consisted of more than fourteen gold and silver-bearing quartz veins emplaced in Mesozoic granodiorite mass. In the Samhyungje vein, one of the representative vein in the mine, six stages of mineralizatidns are recognized: Stage I, deposition of base-metal sulfides and gray quartz; stage II, deposition of base-metal sulfides, electrum and white quartz with pinkish tint; stage m, deposition of base-metal sulfides and dark gray quartz; stage N, deposition of native silver, argentite, Ag-tetrahedrite, polybasite, arsenpolybasite and quartz; stage V, deposition of nearly barren quartz; stage VI, deposition of transparent quartz veinlets with minor pyrite. Ag contents of electrum increase steadily from stage II to stage N; 57.25-61.44 atom. % for stage II, 62.85-69.66 atom. % for stage m, 69.79-74.12 atom. % for stage N. Homogenization temperatures of fluid inclusions are as follows; stage II, from $194^{\circ}$ to $287^{\circ}C$; stage V, from $137^{\circ}$ to $171^{\circ}C$, stage VI, from $192^{\circ}$ to $232^{\circ}C$. Salinities of fluid inclusions range from 3.7 to 7.9 wt.% equivalent NaCl in stage II and from 0.8 to 4.3 wt.% equivalent Nael in stage V. Ore mineralogy suggest that temperature and sulfur fugacity declined steadily from $290^{\circ}$ to $150^{\circ}C$ and from $10^{-10.5}$ to $10^{-19.0}$atm. through stage II into stage N. Fluid pressure during stage II inferred from data of mineral assemblages and fluid inclusions is 370bar.
PBT와 Nylon6,12의 블렌드 특성과 core/shell 구조를 갖는 PBT/Nylon6,12 미세모의 제조 및 압출조건
박희만 ( Hui Man Park ),이선호 ( Seon Ho Lee ),곽노석 ( Noh Seok Kwak ),황치원 ( Chi Won Hwang ),박성규 ( Sung Gyu Park ),황택성 ( Taek Sung Hwang ) 한국화학공학회 2012 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.50 No.6
Poly (butylene terephthalate) (PBT)/Nylon6, 12 core/shell micro fiber were prepared by extrusion molding, To investigate their optimum extrusion conditions, compatibility of PBT/Nylon6, 12 blend micro fiber in conformity to their weight ratio and manufacture temperature was explored with SEM morphology and DSC, The alterations in their mechanical properties by extrusion speed were compared and analyzed through a UTM. In comparison with SEM figures, the domain sizes of Nylon6, 12 were gradually declined by increasing the extrusion temperature of blends. Furthermore, according to these SEM images, the phase separation between Nylon6, 12 domain and PBT matrix became indistinct with increasing of weight percentage of Nylon6, 12. In case of DSC, the boundaries of two peaks were almost disappeared when increasing the extrusion temperature and also intervals of each two melting peaks became narrow as increasing the Nylon6, 12 ratio, The mechanical properties including tensile strength, elongation, flexural strength and flexural modulus were increased as the increase in the extrusion temperature until 260˚C. However, the mechanical properties were actually deteriorated over 260˚C. The tensile strength, elongation, flexural strength and flexural modulus at 260˚C were 560 kgf/cm2, 220%, 807kgf/cm2 and 22,146 kgf/cm2, respectively. These values are more than intermediate values of mechanical properties of PBT and Nylon6, 12. These results mean that there is compatibility between PBT and Nylon6, 12. Based on the extrusion conditions that produced optimum compatibility of blend, as a result, our group obtained micro fibers with the core/shell structure.