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한철희 선문대학교 1994 鮮文論叢 自然科學 編 Vol.- No.4
Charge-Transfer Complex has a structure similar to that of the transition state in Solvolysis reaction, thus any information on the charge-transfer Complex and charge transfer reactions is important in organic chemistry. The importance of electron transfer is not limited to organic chemistry, but extends to a wide variety of chemical and biological systems, Biphenyl is frequently used as electron donor in the quenching experiment, and it readily forms a Charge-Transfer Complex with TCNB(tetra cyano benzene) in common organic solvents such as dichloromethane, aceton, and acetonitrile. In our study, Charge-Transfer complexes between TCNB and biphenyl(derivatives) have been investigated indifferent solvents using picosecond laser spectroscopy, Optical excitation of the ground-state charge-transfer complex with picosecond laser pulse generates contact ion pair(CIP) within the time resolution of the experiment. Direct monitoring of the transient absorption of biphenyl(derivative) cation makes possible the investigation of the dynamics of electron back-transfer and ion-pair separation. The variation in ion-pair dynamics with changes in solvent is discussed in terms of the CIP structure, the exoergicity of the reactions, and the thermodynamic driving force.
한철희 선문대학교 자연과학대학 2001 자연과학논총 Vol.4 No.-
The objective of this paper is to design and implement an engineering database for integrated structural design system of the pre-engineered buildings, and to represent the methodology of it. In this paper an object model was developed by OMT and IDEFO and converted to an relational database. The database in this paper is confined to the structural design process arid contains the analysis data and design data.
사회복지법인 회계제도 인식정도가 회계 투명성 및 신뢰성에 미치는 영향
한철희,윤석철 한국회계정책학회 2013 회계와 정책연구 Vol.18 No.3
At present, needs for social welfare have been increased, enhanced, and diversified so that a supply and an operation of welfare funds have become more important for a social welfare corporation, an entity of civil social welfare service. Furthermore, it has become necessary for making funds supply, operation and administration of results to be more transparent and it has emphasized on a reliability of the operation of social welfare facility from its community even more in order to provide a welfare service of high quality through activating donation culture. This study was aimed to demonstrate empirically the impact of recognition and satisfaction degree for the accounting system, such as financial accounting rules of social welfare corporation and facilities, upon the transparency of accounting and the reliability of operation. The results of demonstration show the following; the recognition degree is varied according to a scale of budget and a year of establishment, the satisfaction degree is varied according to a type of facility and a year of establishment but not according to a scale of facility, the reliability is varied according to a year of establishment only but is independent of a type of facility and a scale of facility. Therefore it has shown as a recognition degree and a satisfaction degree for accounting system is higher, as a transparency of the social welfare corporation accounting is improved and a reliability of the corporation and facility operation is increased. From the results of the questionnaire survey in this study and proceeding studies, the following systematic practical methods to improve a transparency of accounting information of social welfare corporation have been suggested: improvement of the budget and accounting system, clarification of funds accounting, application of double entry bookkeeping for improving the accounting problems of single entry bookkeeping, reinforcement of accounting training course, improvement of donation management system, and improvement of the problems of auditing system. Also, the following have been suggested to secure reliability of the facility operation: establishment of reasonable standards for facility operation, improvement of the problems of contract and commodity management, improvement of donation management system, evaluation of the results in accordance with an introduction of cost accounting system, and improvement of auditing system. 오늘날 사회복지 욕구의 증대와 고도화, 다양화로 사회복지법인은 민간 사회복지사업의 주체로서 복지재원의 조달과 운영이 더욱 중요해지게 되었다. 나아가 기부문화의 활성화를 통한 양질의 복지서비스 제공을 위해 그 재원조달과 운영 및 성과관리가 보다 투명해질 필요가 있게 되었으며, 사회적으로 사회복지시설 운영의 신뢰성이 더욱 강조되고 있다. 본 연구는 「사회복지법인 및 시설 재무회계규칙」 등 회계제도에 대한 인식과 만족도가 회계의 투명성과 운영의 신뢰성에 미치는 영향을 실증적으로 검증하였다. 검증 결과 인식도는 예산규모가 크고 설립연도가 오래일수록, 만족도는 시설유형 및 설립연도에 따라 차이를 보였지만 규모에 따라서는 차이를 보이지 않는 것으로 나타났다. 신뢰성에서는 설립연도에 따라서만 차이를 보였고 시설유형 및 규모의 차이는 없었다. 따라서 회계제도에 대한 인식도와 만족도가 클수록 사회복지법인회계의 투명성은 향상되고 법인 및 시설 운영의 신뢰성도 높아지는 것으로 밝혀졌다. 본 연구의 설문조사와 선행연구 결과 사회복지법인 시설 회계정보의 투명성을 향상시킬 수 있는 제도적 현실적 방안은 예산회계제도의 개선 및 기금회계의 명확화, 단식부기 회계문제 개선을 위한 복식부기 적용, 회계교육의 강화, 후원금관리제도 개선, 감사제도 문제점 개선 등이다. 시설 운영의 신뢰성 확보방안으로는 시설운영의 합리적 기준 확립, 계약 및 물품관리 문제점 개선, 후원금관리제도 개선, 원가회계 도입에 의한 성과평가, 감사제도 개선 등이 제기되고 있다.
한철희 忠州大學校 2008 한국교통대학교 논문집 Vol.43 No.-
Aerodynamic characteristics of a wing or wings in ground effect are investigated using a vortex lattice method. The surface of the wing is discretized as quadrilateral elements over which vortex line singularity elements are distributed. The pressure on the wing's surface is obtained by using Bernoulli's equation. The effect of the ground height on the aerodynamic characteristics of a single wing or wings in formation flight is investigated. It is found that the wings in formation flight experience the increased roll moment with the distance between the wings. Aileron and ground effect have the effect of augmenting the generation of the rolling moment. It is believed that present method can be applied to the aerodynamic analysis of wings in formation flight near the ground.