• 한국보건교육건강증진학회:학술대회논문집
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• 한국보건교육건강증진학회 2001년도 제4회 국제학술 심포지움
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• pp.27-52
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• 2001

심혈관계 질환으로 인한 사망이 전체 사인의 수위를 차지하는 현대사회에서 그 위험은 어린 시절부터 시작되며, 이와 관련된 식생활 및 운동습관 또한 어린 시절 형성되어 평생을 유지하게 된다. 그러므로 생활습관의 교정이 가능한 초등학교시기에 건강생활에 대한 인식을 전환시키며, 정확한 지식과 올바른 태도를 형성하여 실천에 이르게 하는 것이 중요하다. 이에 본 연구는 주관연구기관에서 개발해온 "어린이 건강생활 익히기" 의 배경 . 과정 . 실행 및 평가결과를 제시함으로 향후 학교중심의 건강증진프로그램의 올바른 방향설정에 도움이 되고자 하였다.이 되고자 하였다.

• 한국수소및신에너지학회논문집
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• 제7권1호
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• pp.71-79
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• 1996

Yttrium thin film, 580nm thick, was prepared by electron beam evaporation. Film was hydrogenated room temperature upto 40 bar hydrogen pressure, without any activation process. Hydrogen concentration was determined by a quartz-crystal microbalance(QCM) method. YH2.9 sample was made without any pulverization. Electrical resistance was measured by four-point DC method in the temperature range between room temperature and 30K for various hydrogen concentration, x=0 to 2.9 of YHx sample. Temperature dependent resistance of YH2.9 shows low temperature minimum at 105K, the metal-semiconductor transition at 260K, and a hystersis above 210K.

• 교육시설
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• 제16권3호
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• pp.49-58
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• 2009

This study is carried out to understand application type and change of learning space and to find out actual situation of management in open planned elementary schools. The twelve elementary schools were selected based on case studies and fundamental data of the agencies performing basic plan, the actual situation of management was studied by interviews of principals and teachers. By the results, open planned elementary schools have been notably reduced after the year of 2004 and corridor expending type was broadly chosen as a plane type for open space. It was also shown that learning space was transformed to the independent type integrating open space to the unit classroom in most part of twelve cases. In addition, whole sliding doors fixed in open classrooms by some Provincial Office of Education didn't need certain physical shut-offs, and it was considered as one of useful alternatives to manage open space.

• 대한가정학회지
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• 제49권3호
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• pp.55-66
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• 2011

The purpose of this study was to examine the effects of We Start home visiting intervention program on the positive changes of infants and their low-income families. The subjects were 171 18~36-month olds and their mothers living in We Start and non We Start areas. The instruments used were Developmental Profile, Cleminshaw-Guidubaldi Parent Satisfaction Scale(CGPSS) and Home Observation for Measurement of the Environment(HOME). The results were as follows: First, the result of Developmental Profile showed positive changes in all domains(physical development, self-help skills, social development, cognitive development, and communication ability). Second, the result of CGPSS showed positive effects on parent-child relationships. Third, the result of HOME showed positive effects on mothers' emotional and language responses. In conclusion, We Start home visiting program for infants from low-income families is an effective early intervention program to end intergenerational transition of poverty in Korea.

• 한국수학사학회지
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• 제24권2호
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• pp.17-30
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• 2011

이 연구에서는 카발리에리가 제시한 두 가지 불가분량법 사이의 전환에 대해 고찰한다. 불가분량법 사용에 대한 반대에 대응하기 위해, 카발리에리는 그가 처음 제시했던 불가분량법을 수정하였다. 이 과정에 대한 분석을 통해, 이 연구에서는 카발리에리가 불가분량과 관련된 패러독스를 피하기 위해 도형의 밀도를 반영하는 방향으로 불가분량법을 바꾸었다는 면과 함께, 라카토스의 이론에 근거해, 이러한 전환이 불완전한 보조정리 합체법으로서의 특정을 지니고 있음을 밝힌다.

• 한국문헌정보학회지
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• 제35권4호
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• pp.177-196
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• 2001

정보사회의 중심이 되는 정보네트워크로서 인터넷은 사회의 커뮤니케이션 도구의 역할을 하고 있으며 인터넷을 통한 언어사용은 더 이상 피할 수 없는 현실인 것이다. 이에 본 연구에서는 인터넷상의 언어사용에 대한 이론적 근거를 마련하고, 현재 나타나고 있는 인터넷상의 부적절한 언어사용 실태를 '음운ㆍ표기', '문법', '어휘ㆍ의미'로 나누어 조사$\cdot$분석하였으며, 그 결과를 바탕으로 '디지털적 사고', '이용자 추이', '네티켓과 정보교육' 등이 토론되었다.

• 한국전산유체공학회지
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• 제21권3호
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• pp.64-70
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• 2016

Multiple solutions in natural convection of water with Pr=7 between two horizontal plates with small magnitude non-uniform temperature distribution in the upper plate is numerically investigated. The dimensionless temperature of upper plate is ${\theta}={\epsilon}sinkx$. Two upright cells are formed over one wave length in the conduction-dominated regime of small Rayleigh number. However, multicellular convection occurs above a critical Rayleigh number for small wave number. When k = 1.5, dual solutions are found and a transition of $6{\rightarrow}4$ eddy flow occurs with decrease of Rayleigh number. When k = 0.75, two, three, four and five multiple solutions are observed. Transitions of $14{\rightarrow}12$, $12{\rightarrow}10$, $10{\rightarrow}8$ and $6{\rightarrow}8$ eddy flow occur with decrease of Rayleigh number.

• Applied Science and Convergence Technology
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• 제24권6호
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• pp.215-218
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• 2015

A pyroelctric properties of Ni(x)-doped PMNT systems were analyzed. Modified PMNT samples were prepared using the columbite structure method. Pyroelectric current, polarization, dielectric constant and dissipation factor of Ni-doped PMNT samples were measured as a function of temperature. By adding a small amount of NiO, pyroelectricity of PMNT is increased. Unlike the normal $ABO_3$ ferroelectric, Ni-doped PMNT showed properties for relaxor ferroelectric of causing the successive phase transition over a wide temperature. The optimum conditions for obtaining compositions with improvement ferroelectric properties are a nominal addition of 0.02 mole% Ni. Also, Ni-doped PMNT ferroelectric showed excellent pyroelectric figures of merit in the vicinity of room temperature. The pyroelectric coefficient ($0.00524C/m^2K$ at $25^{\circ}C$) and figures of merit ($F_v{\sim}0.039m^2/C$ and $F_d{\sim}0.664{\times}10^{-4}Pa^{-1/2}$) of composition PMNT with 0.02 mole% Ni are comparable to the earlier reports on lead-type pyroelectrics.

• 아동학회지
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• 제27권1호
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• pp.1-15
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• 2006

The purpose of this study was to examine the reliability and validity of the School Adjustment Inventory for 1st grade elementary school students(SAI-1st Grade). The subjects of this study were 624 first grade children attending 40 elementary schools and 120 first grade teachers of G City. Data were analyzed by Factor Analysis(EFA), Confirmatory Factor Analysis(CFA), Pearson's r and Cronbach's ${\alpha}$. Results of the test on content validity as evaluated by the first grade teachers was high. It was found that the School Adjustment Inventory for 1st graders of elementary school was a reliable and valid measure for evaluating the school adjustment of first grade students.

• Bulletin of the Korean Chemical Society
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• 제24권1호
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• pp.91-94
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• 2003

Kinetic studies of the reaction of O-methyl-S-phenylthiocarbonates with benzylamines in methanol at 45.0 ℃ have been carried out. The reaction proceeds by a stepwise mechanism in which the rate-determining step is the breakdown of the zwitterionic tetrahedral intermediate, $T^{\pm}$, with a hydrogen-bonded four-center type transition state (TS). These mechanistic conclusions are drawn based on (ⅰ) the large magnitude of ${\rho}_X\;and\;{\rho}_Z$, (ⅱ) the normal kinetic isotope effects $(k_H/k_D\;>\;1.0)$ involving deuterated benzylamine nucleophiles, (ⅲ) the positive sign of ${\rho}_{XZ}$ and the larger magnitude of ${\rho}_{XZ}$ than that for normal $S_N2$ processes, and lastly (ⅳ) adherence to the reactivity-selectivity principle (RSP) in all cases.