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Protective Effects of Edible Insect Extracts against Acute Alcoholic Liver Damage
Bo Byeol Hwang,Min Kook Lee,Eun Hee Jo,In Seon Hwang,Seong Hwan Ahn,Yun Jin Bae,Chang Hyun Oh,Yong Seol Kim,June Su Kim,Min Chul Cho,Sam Hyun Baek,Sang Hoon Lee,Won Joon Oh,Seo Yeong Hwang,Sun Jae Kim 한국식품영양과학회 2017 한국식품영양과학회 학술대회발표집 Vol.2016 No.10
Early Childhood Teachers’ Concept Map of Gifted Young Children Education
( Hwang Kyoung-ha ),( Lee Sae-byeol ),( Hwang Hee-sook ) 한국유아교육학회 2017 정기학술대회 논문집 Vol.2017 No.1
The purpose of this study was to examine early childhood teachers’ knowledge and the level of their knowledge on the contents of gifted young children education. The subjects were 138 early childhood teachers and they were asked to draw a concept map. The findings of the study were as follows: First, there were 16 super ordinate concepts of the gifted young children education for early childhood teachers. Second, The highest subcategory was ‘gifted teaching methods’, followed by ‘cognitive characteristics of the gifted children’ and ‘gifted education curriculum’, the highest specificity measure was ‘gifted teaching methods’ followed by ‘cognitive characteristics of the gifted children’ and ‘gifted education curriculum’. Third, The density degree ranged between 0.75- 9.33 and were significantly different acoording to the frequency of gifted young children education. The results were discussed in relation to implications for early childhood teacher education.
황경하(Hwang, Kyoung Ha),이새별(Lee, Sae Byeol),황희숙(Hwang, Hee Sook) 한국창의력교육학회 2018 창의력교육연구 Vol.18 No.2
본 연구는 Nobak과 Gowin(1984)이 고안한 개념도를 사용하여 유아교사의 유아 영재교육에 대한 개념과 개념의 수준을 분석하고자 하였으며 다음과 같은 연구문제를 설정하였다. 첫째, 유아교사의 개념도에 나타난 유아 영재교육에 대한 개념의 내용은 어떠한가? 둘째, 유아교사의 개념도에 나타난 유아 영재교육에 대한 개념의 수준은 어떠한가? 이를 위해 부산광역시 유아교육기관에 재직 중인 유아교사 138명을 대상으로 소그룹 면담을 통해 유아 영재교육에 대한 개념도를 작성하도록 하고 이를 분석하였다. 연구결과 첫째, 유아교사의 유아 영재교육에 대한 상위개념은 총 16개의 범주로 도출되었다. 둘째, 종속개념의 수는 영재 교육방법이 가장 많았으며 특성점수는 영재 교육방법, 영재의 인지적 특성, 영재 교육과정 영역 순으로 높게 나타났다. 셋째, 밀도는 0.75-9.33이며 평균은 2.05로 나타났다. 이러한 연구결과는 유아 영재교육에 대한 심층적 이해를 도울 수 있는 교사교육이 필요함을 시사한다. The purpose of this study was to examine early childhood teachers’ knowledge and the level of their knowledge on the contents of gifted young children education. Following questions are developed in order to perform this study. 1. How is the knowledge of early childhood teachers about gifted young children education? 2. How is the level of knowledge of early childhood teachers about gifted young children education? The subjects were 138 early childhood teachers and they were asked to draw a concept map. The findings of the study were as follows: First, there were 16 superordinate concepts of the gifted young children education for early childhood teachers. Second, the highest subcategory was ‘gifted teaching methods’, followed by ‘cognitive characteristics of the gifted children’ and ‘gifted education curriculum’, and the highest specificity measure was ‘gifted teaching methods’ followed by ‘cognitive characteristics of the gifted children’ and ‘gifted education curriculum’. Third, The density degree ranged between 0.75-9.33 and the mean was 2.05. The results were discussed in relation to implications for early childhood teacher education.
글레이즈 처리한 다색 리튬 디실리케이트와 지르코니아의 색조비교
황별(Byeol Hwang),지정희(Jeong-Hui Ji),박철수(Cheol-Soo Park),신재우(Jaewoo Shin),이정환(Junghwan Lee),이민호(Min-Ho Lee),배태성(Tae-Sung Bae) 대한치과재료학회 2021 대한치과재료학회지 Vol.48 No.1
The purpose of this study was to investigate the effect of glazing treatment of multi-colored zirconia disc and lithium disilicate block on the optical properties. From an Ultra Translucent Multi-Layered (UTML) disc containing 50% cubic crystal and a lithium disilicate-based Amber Mill Direct (AMD) block, the 1.2 mm thick specimens of the upper layer (T), the center (M), and the lower layer (B) were prepared. Three types of paste glaze of InSync Glaze Paste, IPS E.max Ceram Glaze Paste, and Amber Ceram G7 Glaze Paste were applied and fired to a uniform thickness on the surface of the specimen. CIE L<SUP>*</SUP>, a<SUP>*</SUP>, b<SUP>*</SUP> values were measured using a spectrophotometer and contrast and translucency were calculated. The bonding interface with the glaze layer was observed using HR FE-SEM. In the glazed groups, L<SUP>*</SUP> value increased, but a<SUP>*</SUP> value and b* value decreased. The translucency value measured in the untreated group was statically higher in the AMD groups than in UTML groups (P<0.05). The translucency did not show a significant difference before and after glazing treatment in the UTML group (P>0.05), but significantly decreased compared to the untreated group after glazing treatment in the AMD group (P<0.05). The contrast ratios generally increased after glaze treatment compared to the untreated group. Since the glaze treatment can affect the optical properties of ceramic restorations, the choice of glaze should be considered important for the desired color by the dental technician.