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기본소득의 실현가능성에 관한 연구: 해외 사례 분석을 중심으로
정종원,신현기 한국자치행정학회 2022 한국자치행정학보 Vol.36 No.4
본 연구는 기본소득의 실현가능성을 분석하기 위하여 분석 프레임워크를 재정적 실현가능성, 전략적 실현가능성, 행정적 실현가능성, 심리적 실현가능성, 행태적 실현가능성 등, 5가지 실행가능성으로 구축하고, 알래스카, 핀란드, 캐나다 3개국의 기본소득 정책(실험)의 실현가능성을 분석하고 있다. 각국은 각기 다른 정치·경제·사회적 여건을 갖고 있었으며, 상황에 따라 보편적 기본소득(UBI)와 소득보장(NIT, 음의소득세) 방식을 적용하여 정책(실험)을 추진하고 있는데, 그 추진 과정과 체계, 정책(실험) 설계 등을 5가지 실현가능성의 관점에서 상세히 분석함으로써, 한국의 기본소득 정책 논의에의 함의를 이끌어 내고 있다.
임프란트 고정체와 지대주 직경의 차이가 응력분포에 미치는 영향
정종원,이청희,Jung Jong-Won,Lee Cheong-Hee 대한치과보철학회 2004 대한치과보철학회지 Vol.42 No.5
Statement of problem : Stress concentration on the neck bone affects the bone resorption, and finally the implant survival. Purpose: In order to examine the stress distribution on the neck bone and prosthesis abutment for implants, decreasing abutment sizes were used. Material and methods : Axisymmetric models were used to obtain the data required. These models were composed of 4mm implants with 3.4mm and 4mm abutments, 5mm implants with 3.4mm and 5mm abutments and 6mm implants with 3.4mm and 6mm abutments. All abutments were designed to received a 10mm high by 10mm diameter gold crown. Functional element analysis was used to obtain these results using data that consisted of 50 N vertical and 45 degree inclination forces. Results : 1. Changing the diameter of the abutment on the implant affects the effect of the inclination forces more than the effect of the vortical forces. 2. Changing the diameter of the abutment on the implant affect the effect of the inclination forces more than the effect of the vertical forces. 3. Experimentation showed that the larger diameter implants provided a decreased neck bone stress, whereas a larger diameter abutment provided a decrease marginal abutment stress. 4. Experimentation showed that the neck bone and abutment received more stress from inclination forces than vertical forces, Conclusions: By decreasing the size of the abutment on the implant we were able to diminishneck bone stress.
정종원,김태우,이준탁 동아대학교 생산기술연구소 2001 生産技術硏究所硏究論文集 Vol.6 No.2
In this paper we developed the MPC sensor for steering control and steering control of the AGVDS(Autonomous Guided Vehicle Driving System) for Durability test. Among durability tests, the accelerated durability test has been widely used to evaluate the durability of vehicle structure and chassis parts in a short period of time on the designed road that has severe surface conditions. However it increased the drivers fatigue mainly caused by the severe driving conditions. The driver's difficulty to maintain the constant speed and control the steering wheel reduces the reliability of test results. In addition to the general detecting sensor for steering control was restricted by surrounding condition. So we need to develop steering control sensor was robust in the bad driving condition. In this paper we developed steering control sensor using magnetic induction which is robust in the bad driving condition and implemented the AGVDS.
The dependence of temperature synthesis of GdVO4: Eu3+ nanoparticle phosphors by solvothermal method
정종원,양현경,Byung Kee Moon,최병춘,정중현,배종성,김광호 한국물리학회 2009 Current Applied Physics Vol.9 No.3
Eu3+ doped GdVO4:Eu3+ nanopowders have been synthesized using a solvothermal method. The crystallinity, grain size and photoluminescence (PL) of the nanopowders are highly dependent on the different sintering temperature. The relationship between the crystalline and morphological structures and the luminescent properties was studied. Sintering temperature was found to effectively enhance not only the morphology but also the luminescent brightness of GdVO4:Eu3+ nanopowders. Photoluminescence measurements of the GdVO4:Eu3+ powders show red emission at the 612 nm (5D0–7F2) wavelength. The PL intensity, grain size and particle size exhibit a similar behavior as a function of the sintering temperature.
정종원,양현경,문병기,최병춘,Jung Hyun Jeong,Soung Soo Yi,장기완,이호섭 한국물리학회 2009 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.55 No.5
BaSi2O5:Eu2+ thin films have been grown on Al2O3 (0001) substrate by using the pulsed laser deposition technique at a substrate temperature of 650 ˚C under various oxygen pressures. The enhancement emission mechanism of the blue to red color from BaSi2O5:Eu2+ phosphor to BaSi2O5:Eu3+ thin films by varying the oxygen pressure have been investigated. The crystallization, surface morphology and luminescent properties of the BaSi2O5:Eu3+ thin films depend on the oxygen pressure. The optimized emission was obtained at a 300-mTorr oxygen pressure, and that optimize emission may result not only from the improved crystallinity but also from the reduced internal reflections caused by the rougher surfaces. Moreover, the luminescent intensity and the surface roughness of the films as functions of the oxygen pressure exhibit similar behaviors.