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71.

What Knowledge and Skills Do Chinese Kindergarten Teachers Need in a Time of Reform: Director’s Perspectives

Xin Fan, Berenice Nyland, Chris Nyland 환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 22 Pages

환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 2016, Vol.10 No.3 2 27-48 (22 pages)

Xin Fan, Berenice Nyland, Chris Nyland 저
...
- 5,100원
This paper reports on a research program that investigates policy and practice relating to the building of a Chinese early childhood workforce in a context of changed government policy, improved standards regarding teacher qualifications and curriculum content, and changing parental expectations. The evolving context reflects the fact that recent economic development in China has witnessed enhanced need for a workforce that is suitable for jobs that require advanced skills and a high capacity to...
72.

자녀의 초등학교 입학 전후 어머니의 양육불안에 미치는 영향요인 분석

신수희 한국보육지원학회 한국보육지원학회지 20 Pages

한국보육지원학회 한국보육지원학회지 2019, 제 15권 제 6호 2 21-40 (20 pages)

신수희 저
...
- 4,900원
73.

청소년 팬덤활동에 관한 연구：청소년의 일상생활에 미치는 영향을 중심으로

정현주 한국사회복지교육협의회 한국사회복지교육 25 Pages

한국사회복지교육협의회 한국사회복지교육 2017, 제 40집 5 109-133 (25 pages)

정현주 저
...
- 5,400원
본 연구의 목적은 청소년 팬덤활동이 청소년들의 일상생활의 각 영역(부모-자녀관계, 또래관계, 학교적응, 진로)에 미치는 영향을 알아보는 것이다. 이를 위해 12명의 연구참 여자를 대상으로 심층면접을 실시하고, 일반적 질적 연구방법을 사용하여 분석하였다. 연구결과, 다양한 계기에 의해 팬활동을 시작하게 된 청소년들은 열성적으로 팬활동에 참여한다. 계속된 팬덤활동은 부모나 또래관계, 학교적응의 영역에서 갈등을 불러일으키 지만, 청소년들은 다양한 전략을 활용하여 문제해결을 위한 노력을 한다. 청소년들은 팬...
74.

Does Grit Tell Us Something About Academic Success? - Comparing with Achievement Goals

콘라트바에바 엘미라 엔삿바이 키지(Konratbaeva Elmira Ansatbay kyzy), 한천우(Han Cheon-woo) 한국교육학회 교육학연구 20 Pages

한국교육학회 교육학연구 2022, 60권 7호 5 89-108 (20 pages)

콘라트바에바 엘미라 엔삿바이 키지(Konratbaeva Elmira Ansatbay kyzy), 한천우(Han Cheon-woo) 저
...
- 4,900원
In this study, we examined how grit predicts academic success in comparison with mastery and performance-approach goals in a sample of 223 undergraduate students. Grit has been known to be a powerful predictor of academic success since its introduction into the educational field. However, recent studies are actively debating its utility as a predictor of academic success. Hence, this study performed two hierarchical regressions using SPSS 21.0 to compare the variance that the variables...
75.

Green synthesis of fluorescent carbon dots from carrot juice for in vitro cellular imaging

Yang Liu, Yanan Liu, Mira Park, Soo-Jin Park, Yifan Zhang, Md Rashedunnabi Akanda, Byung-Yong Park, Hak Yong Kim 한국탄소학회 Carbon Letters 7 Pages

한국탄소학회 Carbon Letters 2017, Vol.21 7 61-67 (7 pages)

Yang Liu, Yanan Liu, Mira Park, Soo-Jin Park, Yifan Zhang, Md Rashedunnabi Akanda, Byung-Yong Park, Hak Yong Kim 저
...
- 3,000원
We report the use of carrot, a new and inexpensive biomaterial source, for preparing high quality carbon dots (CDs) instead of semi-conductive quantum dots for bioimaging application. The as-derived CDs possessing down and up-conversion photoluminescence features were obtained from carrot juice by commonly used hydrothermal treatment. The corresponding physiochemical and optical properties were investigated by electron microscopy, fluorescent spectrometry, and other spectroscopic methods. The...
76.

Cu²? ion reduction in wastewater over RDF-derived char

Hyung Won Lee, Rae-su Park, Sung Hoon Park, Sang-Chul Jung, Jong-Ki Jeon, Sang Chai Kim, Jin Do Chung, Won Geun Choi, Young-Kwon Park 한국탄소학회 Carbon Letters 7 Pages

한국탄소학회 Carbon Letters 2016, Vol.18 8 49-55 (7 pages)

Hyung Won Lee, Rae-su Park, Sung Hoon Park, Sang-Chul Jung, Jong-Ki Jeon, Sang Chai Kim, Jin Do Chung, Won Geun Choi, Young-Kwon Park 저
...
- 3,000원
Refuse-derived fuel (RDF) produced using municipal solid waste was pyrolyzed to produce RDF char. For the first time, the RDF char was used to remove aqueous copper, a representative heavy metal water pollutant. Activation of the RDF char using steam and KOH treatments was performed to change the specific surface area, pore volume, and the metal cation quantity of the char. N2 sorption, Inductively Coupled Plasma-Atomic Emission Spectrometer (ICP-AES), and Fourier transform infrared spectroscopy...
77.

Carbon-allotropes: synthesis methods, applications and future perspectives

P. S. Karthik, A. L. Himaja and Surya Prakash Singh 한국탄소학회 Carbon Letters 19 Pages

한국탄소학회 Carbon Letters 2014, Vol.15 No.4 1 219-237 (19 pages)

P. S. Karthik, A. L. Himaja and Surya Prakash Singh 저
...
- 4,800원
The element carbon has been used as a source of energy for the past few hundred years, and now in this era of technology, carbon has played a significant and very prominent role in almost all fields of science and technology. So as an honour to this marvellous element, we humans should know about its various forms of existence. In this review article, we shed light on all possible carbon-allotropes; similarities in their synthesis techniques and the starting materials; their wide range of...
78.

Enhanced electrocapacitive performance and high power density of polypyrrole/graphene oxide nanocomposites prepared at reduced temperature

Harish Mudila, Varsha Joshi, Sweta Rana, Mohmd. Ghulam Haider Zaidi, Sarfaraz Alam 한국탄소학회 Carbon Letters 9 Pages

한국탄소학회 Carbon Letters 2014, Vol.15 No.3 3 171-179 (9 pages)

Harish Mudila, Varsha Joshi, Sweta Rana, Mohmd. Ghulam Haider Zaidi, Sarfaraz Alam 저
...
- 3,000원
An attempt was made to investigate the effect of the preparation temperature on the electrocapacitive performance of polypyrrole (PPY)/graphene oxide (GO) nanocomposites (PNCs). For this purpose, a series of PNCs were prepared at various temperatures by the cetyltrimethylammonium bromide-assisted dilute-solution polymerization of pyrrole in presence of GO (wt%) ranging from 1.0 to 4.0 with ferric chloride as an oxidant. The formation of the PNCs was ascertained through Fourier-transform infrared...
79.

Overlook of current chemical vapor deposition-grown large single-crystal graphene domains

Kyung Tae Park, Taehoon Kim, Chong Rae Park 한국탄소학회 Carbon Letters 11 Pages

한국탄소학회 Carbon Letters 2014, Vol.15 No.3 1 151-161 (11 pages)

Kyung Tae Park, Taehoon Kim, Chong Rae Park 저
...
- 4,000원
Exceptional progress has been made with chemical vapor deposition (CVD) of graphene in the past few years. Not only has good monolayer growth of graphene been achieved, but large-area synthesis of graphene sheets has been successful too. However, the polycrystalline nature of CVD graphene is hampering further progress as graphene property degrades due to presence of grain boundaries. This review will cover factors that affect nucleation of graphene and how other scientists sought to obtain large...
80.

Superhydrophobic carbon-based materials: a review of synthesis, structure, and applications

Long-Yue Meng, Soo-Jin Park 한국탄소학회 Carbon Letters 16 Pages

한국탄소학회 Carbon Letters 2014, Vol.15 No.2 5 89-104 (16 pages)

Long-Yue Meng, Soo-Jin Park 저
...
- 4,500원
Materials with appropriate surface roughness and low surface energy can form superhydrophobic surfaces, displaying water contact angles greater than 150°. Superhydrophobic carbon-based materials are particularly interesting due to their exceptional physicochemical properties. This review discusses the various techniques used to produce superhydrophobic carbon-based materials such as carbon fibers, carbon nanotubes, graphene, amorphous carbons, etc. Recent advances in emerging fields such as...

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