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      • KCI등재

        A Diagnostic Tool for Yield Curve Models

        안동현 한양대학교 경제연구소 2009 JOURNAL OF ECONOMIC RESEARCH Vol.14 No.1

        This paper explores an empirical methodology of investigating it diffusion factor term structure models. This method is used to diagnose the validity of term structure models of given number of factors by investigating the uniqueness of stochastic discount factors implied by the models, or the equivalence of market price of risk across different bonds. Since we do not impose any parametric assumptions about dynamics of interest rates and market price of factor risk, this test constructs a direct inference on the consistency of diffusion factor models with bond data. We apply this methodology to a single factor diffusion model using daily data of Japan Government Bond (JGB) market over the period from January 2005 to December 2008.

      • KCI등재

        Central Region Design of the K120 Superconducting Cyclotron

        안동현,강준선,In Su Jung,김유석 한국물리학회 2009 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.54 No.5

        The K120 superconducting cyclotron, which is able to accelerate ions with a range of charge-to-mass ratio between 0.13 and 0.5 from 2.0 to 30 MeV /amu is now under design at Korea Institute of Radiological & Medical Sciences(KIRAMS). If the whole range of ions is to be accelerated with only one spiral inflector and central region, the initial energy, electric potential of the spiral inflector and the dee voltage with respect to the injected ions have been determined. The magnetic field at the center of the cyclotron is about 3.1 Tesla and the operating RF frequency is in the range between 24 and 48 MHz with harmonic numbers of 2 and 4. This paper presents the design parameters of the spiral inflector and the central region of the K120 superconducting cyclotron and the results of the carbon ion beam simulations.

      • 공경비의 민영화 협력방안에 관한 연구

        안동현 한국융합과학회 2012 한국융합과학회지 Vol.1 No.1

        Changes in security conditions and the police, improved job perfor mance and reliability daegukmin for the recovery of the functions of the police crime prevention and control must be performed by body up nothing, police recognized that abandoning the field of private security and policing roles to strengthen the capacity of the police you can be the need was time. Developed countries, private security system similar to the ability of the police crime prevention or td decrease the level enough to surpass the effective action is performed. Police at the time of this important specialization of each business of police work and migrate to the field of private security services of the police and private security will be made for the development is rapid .In this dimension of police work private security guards to prepare for migration to improve the quality of education, specialized training programs hunryeondeung development and legal measures will be taken is provided Vacuum caused by the limitations of police security , a security guard in order to deal effectively create demand for the individual beneficiary level masturbate themselves to build a social atmosphere in the surveillance system also should have been .Therefore, private security and its own efforts at the national level of social support, and ongoing surveillance of the police made to increase capacity at the same time, when we seek ultimately to society as a country that should be made a crime. The 21st century, leading the police to realize the inevitable privatization and privatization through more police on your duties faithfully and security services for the people, will be an opportunity to establish more .Efforts and cooperation of police and private security sector specializing in the development of the stomach and police work in order to maximize the efficiency of the expansion of the private security sector is necessary to prepare and institutional ,These private security sector for the development of legal regulations reorganize and expand the scope of the private security sector and how the private security sector is to strengthen guidance and supervision of private security is to prepare for the opening of the market will do is to develop. 치안여건의 변화와 경찰업무 수행능력의 향상 및 대국민 신뢰도 회복을 위하여 범죄예방과 통제의 기능을 경찰기관만이 수행해야 한다는 인식을 버리고 경찰업무 중 민간경비분야와 역할분담으로 경찰의 치안역량을 강화해야 될 시기가 되었다고 할 수 있다. 선진국들은 민간경비 제도가 경찰의 범죄예방능력과 유사한 수준이거나 오히려 능가할 정도로효과적인 활동을 수행하고 있다. 검찰과 수사권 조정문제로 사회적 이슈하가 되어 있는시점에 경찰업무 가중으로 인한 경찰전문성의 저해와 국민에 대한 신뢰감이 떨어진다면경찰발전에도 큰 걸림돌이 될 것이다. 이 중요한 시점에 경찰 각 업무의 전문화와 경찰업무 중 민간경비분야로 이관할 업무는 경찰과 민간경비의 발전을 위해서 신속히 이루어 져야 할 것이다. 이에 민간경비차원에서는 경찰업무 이관을 대비하여 경비원의 자질향상과교육, 훈련 등 전문화 교육훈련 프로그램 개발이나 법적인 대책마련이 강구 되어야 할 것이다. 경찰력의 한계로 야기되는 치안공백 상태를 효율적으로 대처하기 위해서는 경비수요를 창출하는 수익자 개개인 스스로가 자위적인 차원에서 방범체제를 구축하려는 사회적분위기도 함께 조성되어야 할 것이다. 따라서 민간경비의 자체적인 노력과 국가차원의 사회적 지원 그리고 경찰의 지속적인 방범능력 증대가 동시에 이루어질 때 우리사회가 궁극적으로 추구하는 범죄 없는 나라로 나아가야 할 것이다. 21세기 선진 경찰을 실현하기 위해서는 민영화가 불가피하고 민영화를 통해 경찰 본연의 임무에 더욱 충실하게 되고 국민을 위한 치안서비스를 더욱 확립시키는 계기가 될 것이다. 그리고 경찰의 전문화와 협력자적 민간경비분야의 발전을 위하고 경찰업무의 효율성을 극대화하기 위해서는 민간경비분야의 확대와 제도적인 마련이 필요하다, 이런 민간경비 분야의 발전을 위하여 법적규제를 재정비하고 민간경비분야의 범위를 확대하는 방법과 민간경비분야의 지도와 감독을 강화하는 것이 민간경비시장의 개방에 대비하는 것이고 발전하는 것이라 할 것이다.

      • KCI등재후보

        건강증진학교에서 초등학교와 중학교 학생들의 정신건강 실태 및 관련된 가정 : 사회적 요인들

        안동현,정승아,김석,송화진,이미순 한국학교보건학회 2008 韓國學校保健學會誌 Vol.21 No.2

        Purpose: This study was a part of preliminary survey for establishing Korean HPS(Health Promoting School) model which was originally suggested by WHO Methods: Three elementary and middle schools were sampled in urban and rural area across three level of social-economic status and survey was conducted on one class in each grade by random selection To measure mental health and social and familial factors self-esteem scale self-efficacy scale depression scale family cohesion scale, parent-child communication scale adolescent's mental health and problem behavior questionnaire(AMPQ), and other question items about family status and economic level were conducted. Students' mental health level was compared by region, sex, grade and other familial and economic factors Results: Familial and social factors such as economical and educational level of parents number of family members were different between rural and urban area Also, students of rural area got lower scores at self-esteem, self-efficacy but higher scores at extroverted problem behavior than their urban counterparts In pre-school students high grade student's self-esteem, and family cohesion scores were lower than low grade students And sexual differences were found across problem behavior domain and region in middle school students Especially the students of single-parent family and lower economic family got insistently low scores at various mental health related scales Conclusion: These results should be considered when the HPS model is designed and applied in Korea

      • KCI등재

        고속 충돌 시 발생하는 평면 충격파를 이용한 산화 나노 분말의 치밀화 및 기계적 특성 평가

        안동현,김우열,박이주,김형섭,Ahn, Dong-Hyun,Kim, Wooyeol,Park, Lee Ju,Kim, Hyoung Seop 한국분말야금학회 2014 한국분말야금학회지 Vol.21 No.1

        Bulk nanostructured copper was fabricated by a shock compaction method using the planar shock wave generated by a single gas gun system. Nano sized powders, average diameter of 100 nm, were compacted into the capsule and target die, which were designed to eliminate the effect of undesired shock wave, and then impacted with an aluminum alloy target at 400 m/s. Microstructure and mechanical properties of the shock compact specimen were analyzed using an optical microscope (OM), scanning electron microscope (SEM), and micro indentation. Hardness results showed low values (approximately 45~80 Hv) similar or slightly higher than those of conventional coarse grained commercial purity copper. This result indicates the poor quality of bonding between particles. Images from OM and SEM also confirmed that no strong bonding was achieved between them due to the insufficient energy and surface oxygen layer of the powders.

      • SCIESCOPUSKCI등재

        계육의 숙성 중 Titin 의 Z 선 영역 ( Zeugmatin ) 의 변화

        안동현,박선미 한국축산식품학회 1998 한국축산식품학회지 Vol.18 No.4

        '스콜라' 이용 시 소속기관이 구독 중이 아닌 경우, 오후 4시부터 익일 오전 7시까지 원문보기가 가능합니다.

      • 치유와 성찰의 자연공간 <월든>

        안동현 한국독서치료학회 2019 한국독서치료학회 학술대회지 Vol.2019 No.-

        '스콜라' 이용 시 소속기관이 구독 중이 아닌 경우, 오후 4시부터 익일 오전 7시까지 원문보기가 가능합니다.

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