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221.

Developing Design Principles for Digital Textbooks in Korea

Hyung Mi Joo, Chang Woo Nam, Eun A Ka, Chong Uk Ahn 한국교육학회 교육학연구 23 Pages

한국교육학회 교육학연구 2015, 53권 3호 16 435-457 (23 pages)

Hyung Mi Joo, Chang Woo Nam, Eun A Ka, Chong Uk Ahn 저
...
- 5,200원
In Korea, digital textbooks has been developed from the 3rd grade to the 5th grade, and 7th grade primarily for the subject matters of Science, and Social Studies since 2013, and then been applied to schools since 2014. The purpose of this study was to develop the design principles for digital textbooks in Korea. The study employed the Delphi technique. The thirty experts answered questionnaires in three rounds. This study concluded that the design principles for digital textbook consist of 4...
222.

불일치하는 꿈 : 미국 초등예비교사들과 교사교육자간의 교사교육에 관한 가치관 연구

신의경 한국교육학회 교육학연구 25 Pages

한국교육학회 교육학연구 2012, 50권 4호 4 23-47 (25 pages)

신의경 저
...
- 5,400원
이 연구는 혼합연구 방법을 사용한 연구로써, 미국 초등예비교사들과 교사교육자들 간의 교사의 역할, 예비교사들의 교사가 될 준비정도, 그리고 교사교육 프로그램의 강의들에 대한 생각과 가지관의 차이를 알아보고자 하였다. 연구 결과로, 초등예비교사들과 교사교육자들 사이에는 교사의 역할, 예비교사들의 교사가 될 준비 정도, 그리고 교사교육 프로그램의 강 의에 대한 생각과 가치관의 차이가 존재하는 것으로 나타났다. 이 연구 결과를 기초로, 교 사교육자들은 이러한 상이한 신념과 가치관을 어떻게 효과적으로 예비교사들과...
223.

A modified electrode by a facile green preparation of reduced graphene oxide utilizing olive leaves extract

Abeer Baioun, Hassan Kellawi, Ahamed Falah 한국탄소학회 Carbon Letters 8 Pages

한국탄소학회 Carbon Letters 2017, Vol.24 7 47-54 (8 pages)

Abeer Baioun, Hassan Kellawi, Ahamed Falah 저
...
- 3,000원
Different phytochemicals obtained from various natural plant sources are used as reduction agents for preparing gold, copper, silver and platinum nanoparticles. In this work a green method of reducing graphene oxide (rGO) by an inexpensive, effective and scalable method using olive leaf aqueous extract as the reducing agent, was used to produce rGO. Both GO and rGO were prepared and investigated by ultraviolet and visible spectroscopy, Fourier-transform infrared, scanning electron microscopy,...
224.

Kinetic and multi-parameter isotherm studies of picric acid removal from aqueous solutions by carboxylated multi-walled carbon nanotubes in the presence and absence of ultrasound

Soheila Gholitabar, Hasan Tahermansouri 한국탄소학회 Carbon Letters 11 Pages

한국탄소학회 Carbon Letters 2017, Vol.22 2 14-24 (11 pages)

Soheila Gholitabar, Hasan Tahermansouri 저
...
- 4,000원
Carboxylated multi-wall carbon nanotubes (MWCNTs-COOH) have been used as efficient adsorbents for the removal of picric acid from aqueous solutions under stirring and ultrasound conditions. Batch experiments were conducted to study the influence of the different parameters such as pH, amount of adsorbents, contact time and concentration of picric acid on the adsorption process. The kinetic data were fitted with pseudo-first order, pseudo-secondorder, Elovich and intra-particle diffusion models....
225.

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...
226.

My life and carbon

peter A. Thrower 한국탄소학회 Carbon Letters 5 Pages

한국탄소학회 Carbon Letters 2014, Vol.15 No.2 1 1-5 (5 pages)

peter A. Thrower 저
...
- 1,500원
named Barry Sheldon to work with me. My first task was to read a pile of papers and reports dealing with the effects of radiation damage on nuclear graphite, including stored-energy release and the recent annealing of the graphite core in one of the on-site reactors. There were several internal reports about dimensional changes produced by irradiation, and other property changes were being systematically and urgently investigated, but there was only one paper on the subject I was to investigate.
227.

Carbon nanotubes–properties and applications

Khalid Saeed Ibrahim 한국탄소학회 Carbon Letters 14 Pages

한국탄소학회 Carbon Letters 2013, Vol.14 No.3 1 131-144 (14 pages)

Khalid Saeed Ibrahim 저
- 4,300원
228.

Electrical properties of polyethylene composite films filled with nickel powder and short carbon fiber hybrid filler

V.S.Mironov, SeongYun Kim, Min Park 한국탄소학회 Carbon Letters 5 Pages

한국탄소학회 Carbon Letters 2013, Vol.14 No.2 6 105-109 (5 pages)

V.S.Mironov, SeongYun Kim, Min Park 저
- 1,500원
229.

Comprehensive review on synthesis and adsorption behaviors of graphene-based materials

Seul-Yi Lee, Soo-Jin Park 한국탄소학회 Carbon Letters 15 Pages

한국탄소학회 Carbon Letters 2012, Vol.13 No.2 2 73-87 (15 pages)

Seul-Yi Lee, Soo-Jin Park 저
...
- 4,400원
230.

Synthesis and applications of graphene electrodes

Dolly Shin, Sukang Bae, Chao Yan, Junmo Kang, Jaechul Ryu, Jong-Hyun Ahn and Byung Hee Hong 한국탄소학회 Carbon Letters 16 Pages

한국탄소학회 Carbon Letters 2012, Vol.13 No.1 1 1-16 (16 pages)

Dolly Shin, Sukang Bae, Chao Yan, Junmo Kang, Jaechul Ryu, Jong-Hyun Ahn and Byung Hee Hong 저
...
- 4,500원

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