• 가족자원경영과 정책
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• 제13권2호
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• pp.43-64
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• 2009

The purpose of this study is to examine the effects of education expenditure children and financial support for parents on childbirth intention and, elderly life preparation. This study uses Korean Longitudinal Survey of Women & Families data. The research subjects are married women aged between $20{\sim}45$ years old who have one child and are living with at least one parent. The analysis method includes chi-square analysis, frequency analysis, and logistic regression analysis which is suitable for presuming differences between groups and relative influence or power. As a result, the first subjective perception is that economic conditions influence childbirth intention and elderly life preparation. Second, the portion of education expenditure is a more important factor than traditional ones, such as the child's sex, the married woman's job and her income. Third, elderly life preparation is influenced by economic factors, regardless of whether they are subjective or objective factors. Finally, analyses by logistic regression analysis suggest that a decision about childbirth is influenced by education expenditure. This refer to the costs related to the child's generation. A decision about elderly life preparation is related to financial support from parents, meaning costs related to the parents's generation.

• 대한가정학회지
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• 제50권7호
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• pp.59-66
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• 2012

The purpose of this study was to identify a causal relationship in the career preparation behavior, parental social support, career decision making self-efficacy and the career maturity of the pre-service elementary school teachers. A total of 374 questionnaires were used for data analysis, excluding the 23 copies deemed insincere in response. To ensure the reliability and validity of the questions, technical statistics of the frequency, ratio, average, standard deviation, skewness, and kurtosis via PASW 18.0, item-total correlation, the totality, and the reliability analysis. The structural analysis via AMOS 7.0 in the bootstrapping method was undertaken to perform the path analysis among the variables and to assess the suitability of the model. The findings of the study led to the following conclusions: First, the causal model for the career preparation behavior, parental social support, career decision making self-efficacy, and the career maturity of the pre-service elementary school teachers is suitable to empirical analysis on research variables. Second, the career decision making self-efficacy of pre-service elementary teachers has direct effect on career preparation behavior positively. Third, parental social support of the pre-service elementary teachers has indirect effects on the career preparation behavior positively.

• Bulletin of the Korean Chemical Society
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• 제29권2호
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• pp.328-334
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• 2008

The effects of catalyst preparation on the reaction route and the mechanism of biphenol (BP) hydrogenation, which consists of a long series-reaction, were studied. Pd/C catalysts were prepared by incipient wetness method and precipitation and deposition method. The reaction behaviors of the prepared catalysts and a commercial catalyst along with the final product distributions were very different. The choice of the catalyst preparation conditions during precipitation and deposition including the temperature, pH, precursor addition rate, and reducing agent also had significant effects. The reaction behaviors of the catalysts were interpreted in terms of catalyst particle size, metal distribution, and support acidities.

• 한국산학기술학회논문지
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• 제22권4호
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• pp.386-395
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• 2021

본 연구 목적은 대학생들의 긍정심리자본, 교수지지 및 진로준비행동과의 관련성을 확인하고, 진로준비행동에 영향을 미치는 요인을 파악하고자 하였다. 본 연구는 2020년 8월 30일부터 10월 30일까지 편의 표집한 대학생 180명을 대상으로 하였으며, 자료는 구조화된 설문지를 이용하여 수집하였다. 자료분석은 빈도, 백분율, 평균, 표준편차, t-test, ANOVA, Scheffé test, Pearson's Correlation Coefficients, 다중회귀분석을 시행하였다. 연구 결과는 다음과 같다. 긍정심리자본과 교수지지는 성별, 진로결정, 경제수준에 따라 유의한 차이를 보였다. 진로준비행동은 성별(t=3.52, p<.001), 전공(F=10.85, p<.001), 진로결정(t=4.98, p<.001)에 따라 유의한 차이를 보였다. 긍정심리자본(r=.45, p<.001)과 교수지지(r=.40, p<.001)는 진로준비행동과 양의 상관관계를 보였다. 진로준비행동에 영향을 미치는 요인으로는 전공, 진로결정유무, 긍정심리자본으로 나타났으며, 이들 요인에 의한 설명력은 32.5%였다. 이러한 결과를 근거로 전공별로 대학생들의 긍정심리자본을 높이기 위한 효과적인 진로 및 상담지도를 계획하여야 한다. 또한, 대학생 시기에 자신에게 맞는 진로나 직업을 탐색하고 목표를 세우기 위해 다양한 진로탐색의 기회를 제공하고, 긍정적인 동기부여를 할 수 있는 환경을 제공하여야 한다.

• 한국화재소방학회논문지
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• 제34권1호
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• pp.115-120
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• 2020

본 연구는 소방공무원이 지각하는 조직문화 유형과 조직지원인식이 조직몰입에 어떠한 영향을 미치는지 알아봄으로써 이들의 조직문화 유형에 따른 조직몰입을 높이고 조직차원에서의 지원에 관한 실천 방안을 마련하는데 도움을 주고자 하였다. 이를 위하여 경기 북부지역 소방공무원 205명을 대상으로 유의표집 방식으로 조사하였다. 조사결과, 소방공무원의 조직문화 유형 중 집단문화와 합리문화, 그리고 조직지원인식이 조직몰입에 통계적으로 유의미한 영향을 미치는 것으로 조사되었다. 본 연구결과를 토대로, 소방공무원이 지각하고 있는 집단문화와 합리문화의 활성화와 이에 따른 조직몰입을 높이고 조직차원에서의 다양한 지원방안에 대해 제안하였다.

• 한국환경과학회지
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• 제20권2호
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• pp.251-260
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• 2011

$TiO_2$- and $SiO_2$-supported $Co_3O_4$, Pt and $Co_3O_4$-Pt catalysts have been studied for CO and $C_3H_8$ oxidations at temperatures less than $250^{\circ}C$ which is a lower limit of light-off temperatures to oxidize them during emission test cycles of gasoline-fueled automotives with TWCs (three-way catalytic converters) consisting mainly of Pt, Pd and Rh. All the catalysts after appropriate activation such as calcination at $350^{\circ}C$ and reduction at $400^{\circ}C$ exhibited significant dependence on both their preparation techniques and supports upon CO oxidation at chosen temperatures. A Pt/$TiO_2$ catalyst prepared by using an ion-exchange method (IE) has much better activity for such CO oxidation because of smaller Pt nanoparticles, compared to a supported Pt obtained via an incipient wetness (IW). Supported $Co_3O_4$-only catalysts are very active for CO oxidation even at $100^{\circ}C$, but the use of $TiO_2$ as a support and the IW technique give the best performances. These effects on supports and preparation methods were indicated for $Co_3O_4$-Pt catalysts. Based on activity profiles of CO oxidation at $100^{\circ}C$ over a physical mixture of supported Pt and $Co_3O_4$ after activation under different conditions, and typical light-off temperatures of CO and unburned hydrocarbons in common TWCs as tested for $C_3H_8$ oxidation at $250^{\circ}C$ with a Pt-exchanged $SiO_2$ catalyst, this study may offer an useful approach to substitute $Co_3O_4$ for a part of platinum group metals, particularly Pt, thereby lowering the usage of the precious metals.

• 한국산학기술학회논문지
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• 제22권3호
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• pp.485-491
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• 2021

본 연구의 목적은 유아 교사의 사회적 지지 및 마음 챙김이 직무 소진에 미치는 영향을 파악하는 데 있다. 연구대상은 OO시 유아 교사 138명을 대상으로 실시하였다. 분석방법은 SPSS 22.0 프로그램을 사용하여 빈도 분석, 신뢰도 분석, 상관관계 분석을 실시하였으며, 변수 간의 인과관계에 대한 다중회귀 분석을 실시하였다. 연구결과 첫째, 유아 교사의 사회적 지지가 직무 소진에 미치는 영향을 살펴본 결과 사회적 지지의 하위요인인 물질적 지지 요인은 직무 소진에 부적(-)으로 유의한 영향을 미치는 것으로 나타났다. 둘째, 유아 교사의 마음 챙김이 직무 소진에 미치는 영향을 살펴본 결과 마음 챙김의 하위요인인 탈 중심적 주의, 현재자각은 직무 소진에 부적(-)으로 유의한 영향을 미치는 것으로 나타났다. 이는 유아 교사가 지각하는 사회적 지지의 물질적 지지 요인과 마음 챙김의 탈 중심적 주의, 현재자각이 높을수록 직무 소진이 낮아진다는 것을 의미하는 것이다. 본 연구의 시사점은 유아 교사의 직무 소진 감소를 위한 방안 마련의 기초자료가 될 것으로 사료된다.

• 공업화학
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• 제20권1호
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• pp.28-33
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• 2009

카본나노튜브에 담지된 몰리브데늄 카바이드 촉매를 다양한 제조 조건을 통해 제조하여 촉매특성을 분석하였고, 메탄올의 전기화학적 산화반응을 통해 촉매의 활성을 비교하였다. 촉매로써 전이금속의 낮은 활성을 극복하기 위한 방안으로 카본나노튜브를 지지체로 사용하였으며 전구체의 양 및 종류, 지지체의 산처리 방법, 탄화공정 온도조건 등을 변화하여 촉매를 제조하였다. 제조된 촉매는 ICP-AES, XRD, TEM을 통하여 촉매의 특성을 분석하였고, 메탄올의 전기화학적 산화반응을 통해 촉매의 활성을 비교하였다. 몰리브데늄 카바이드 촉매($Mo_2C/CNT$)의 다양한 제조방법으로 입자크기와 담지량을 변화시킬 수 있었으며, 입자의 크기와 담지량의 변화에 따른 전기화학적 산화반응의 특성을 설명할 수 있었다.

• Human Ecology Research
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• 제55권6호
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• pp.581-592
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• 2017

This study investigated the occupational experiences of social workers in child care facilities. The participants of the study were six social workers in child care facilities. This qualitative research used a Consensual Qualitative Research (CQR) method that and classified the main findings into five categories and twelve sub-themes. This study revealed that child care professionals define themselves as "caregivers" and "role models." Positive effects of institutional life on a child were forming peer relationships and being able to use diverse services while negative effects included acquiring a social stigma, having problems in developing attachment between a child and a surrogate caregiver, developing passive attitude and weak will power from communal living. Meanwhile, conflicts with children and poor working conditions led to burnout for caregivers. Our recommendations on the direction of change for the facilities are: categorizing admitted children, supporting restoration of family functions, reinforcing support for children's preparation for an independent life, and developing expertise. This paper provides a better understanding of child care facilities as well as encourages further social discourse on institutionalized children in order to promote policy making and implementation.

• 한국신재생에너지학회:학술대회논문집
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• 한국신재생에너지학회 2009년도 춘계학술대회 논문집
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• pp.652-655
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• 2009

The bimodal porous carbons were synthesized by using imprinting method with templates of SBA-15 particle and silica sphere and applied as supporting materials for the electro-catalyst of polymer electrolyte fuel cell (PEFC). The silica spheres with diameter size of 100 nm and SBA-15 particle having 200 nm -250 nm diameter and 700 nm -900 nm length were synthesized in this work. The bimodal porous carbons (S100) were prepared by using the silica spheres and SBA-15 as templates and mesophase pitch as a carbon source. The PtRu nanoparticle of ca. 1.9 nm were supported on the bimodal porous carbon support and the resulting PtRu/S100 catalysts was tested by the cyclic voltammetry. The use of bimodal porous carbon showed in comparable electro-catalytic activities with commercial catalyst. Though unclear effects of bimodal porosity of supports could be obtained in the scope of this study, morphological advantage in electrical conductivity can be considered on the electro-catalytic activity.