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291.

남한과 북한의 인성교육 비교에 관한 연구

박정현 한국보훈학회 한국보훈논총 30 Pages

한국보훈학회 한국보훈논총 2013, 제 12권 제 3호 (통권 28집) 9 245-274 (30 pages)

박정현 저
...
- 5,900원
남북한의 인성교육의 목적을 비교해 보면 상호 유사성보다는 상이성이 많은 것은 사실이다. 남한은 민주주의 교육이념을 지향하고 있으며, 북한은 공산주의 교육이념 을 지향하고 있다. 남한은 교육법에서 홍익인간의 이념 아래 인격완성, 공민으로서 의 자질, 민주국가의 발전과 인류공영에 기여할 것을 교육목적으로 명시하고 있다. 민주주의 교육은 개인의 자율성과 개성의 존중이라는 개인적인 덕목으로부터 출발 하여 사회와 국가발전에 대한 기여를 강조한다. 이러한 점에서 북한의 교육이 공산 주의사회 건설에의 헌신이라는...
292.

교원 연수의 현업적용도 관련 변인 간의 구조적 관계

박수정, 김태연 한국교육학회 교육학연구 27 Pages

한국교육학회 교육학연구 2015, 53권 4호 5 103-129 (27 pages)

박수정, 김태연 저
...
- 5,600원
현업적용도는 현직교육을 통한 학습이 실제 직무 수행에서 활용되는 정도를 의미하는 것으로 교원 연수의 본질적인 목적을 반영한다고 볼 수 있다. 이러한 현업적용도를 활용하여 교원 연수의 효과성 을 제고하는 방안을 모색하기 위하여, 교원 연수의 현업적용도 관련 변인(자발적 참여 동기, 프로그 램 특성, 학습 성과) 간의 관계 분석을 연구문제로 설정하였다. 이러한 연구 목적을 달성하기 위해 2013학년도 창의경영학교 포럼에 참여한 교원 174명을 대상으로 설문조사를 실시하였고, 구조방정식 모형 분석을 실시하였다. 주요 연구...
293.

Extraction and characterization of lignin from black liquor and preparation of biomass-based activated carbon therefrom

Daeyeon Kim, Jinsil Cheon, Jeonghoon Kim, Daekyun Hwang, Ikpyo Hong, Oh Hyeong Kwon, Won Ho Park, Donghwan Cho 한국탄소학회 Carbon Letters 8 Pages

한국탄소학회 Carbon Letters 2017, Vol.22 14 81-88 (8 pages)

Daeyeon Kim, Jinsil Cheon, Jeonghoon Kim, Daekyun Hwang, Ikpyo Hong, Oh Hyeong Kwon, Won Ho Park, Donghwan Cho 저
...
- 3,000원
In the present study, biomass-based lignin was extracted from industrial waste black liquor and the extracted lignin was characterized by means of attenuated total reflectance- Fourier transform infrared spectroscopy and 1H-nuclear magnetic resonance spectroscopy. The extracted lignin was carbonized at different temperatures and then activated with steam at 850oC. The extracted lignin in powder state was transformed into a bulky carbonized lignin due to possible fusion between the lignin...
294.

Yield enhancement of matrix precursor in short carbon fiber reinforced randomly oriented carbon/carbon composite

Thakur Sudesh Kumar Raunija, Sharad Chandra Sharma, Anil Verma 한국탄소학회 Carbon Letters 9 Pages

한국탄소학회 Carbon Letters 2016, Vol.19 7 57-65 (9 pages)

Thakur Sudesh Kumar Raunija, Sharad Chandra Sharma, Anil Verma 저
...
- 3,000원
Isroaniso matrix precursor synthesized from commercially available petroleum pitch was stabilized in air. The influence of oxygen mass gain during stabilization on the yield of matrix precursor was studied. Additionally, the influence of pressure on the yield of the stabilized matrix precursor in a real system was studied. The fourier transform infrared spectrometry (FTIR), thermogravimetric analysis (TGA), yield, yield rate, and yield impact were used to check the effect of stabilization and...
295.

One-step synthesis of dual-transition metal substitution on ionic liquid based N-doped mesoporous carbon for oxygen reduction reaction

Ulziidelger Byambasuren, Yukwon Jeon, Dorjgotov Altansukh, Yunseong Ji, Yong-Gun Shul 한국탄소학회 Carbon Letters 12 Pages

한국탄소학회 Carbon Letters 2016, Vol.17 No.1 8 53-64 (12 pages)

Ulziidelger Byambasuren, Yukwon Jeon, Dorjgotov Altansukh, Yunseong Ji, Yong-Gun Shul 저
...
- 4,100원
Nitrogen (N)-doped ordered mesoporous carbons (OMCs) with a dual transition metal system were synthesized as non-Pt catalysts for the ORR. The highly nitrogen doped OMCs were prepared by the precursor of ionic liquid (3-methyl-1-butylpyridine dicyanamide) for N/C species and a mesoporous silica template for the physical structure. Mostly, N-doped carbons are promoted by a single transition metal to improve catalytic activity for ORR in PEMFCs. In this study, our N-doped mesoporous carbons were...
296.

Rate-capability response of graphite anode materials in advanced energy storage systems: a structural comparison

Umer Farooq, Chil-Hoon Doh, Syed Atif Pervez, Doo-Hun Kim, Sang-Hoon Lee, Mohsin Saleem, Seong-Ju Sim, Jeong-Hee Choi 한국탄소학회 Carbon Letters 6 Pages

한국탄소학회 Carbon Letters 2016, Vol.17 No.1 6 39-44 (6 pages)

Umer Farooq, Chil-Hoon Doh, Syed Atif Pervez, Doo-Hun Kim, Sang-Hoon Lee, Mohsin Saleem, Seong-Ju Sim, Jeong-Hee Choi 저
...
- 3,000원
battery operation. The results demonstrated that a material having a higher crystalline order exhibits enhanced electrochemical properties when evaluated in terms of rate-capability performance. All these materials were investigated at high C-rates ranging from 0.1C up to 10C. Such improved response was attributed to the crystalline morphology providing short layers, which facilitate rapid Li+ ions diffusivity and electron transport during the course of battery operation. The values obtained for...
297.

Microwave-assisted pretreatment technologies for the conversion of lignocellulosic biomass to sugars and ethanol: a review

Pradeep Puligundla, Sang-Eun Oh, Chulkyoon Mok 한국탄소학회 Carbon Letters 10 Pages

한국탄소학회 Carbon Letters 2016, Vol.17 No.1 1 1-10 (10 pages)

Pradeep Puligundla, Sang-Eun Oh, Chulkyoon Mok 저
...
- 3,000원
years owing to their high heating efficiency, lower energy requirements, and easy operation. Acid and alkali pretreatments assisted by microwave heating meanwhile have been widely used for different types of lignocellulosic biomass conversion. Additional advantages of microwave-based pretreatments include faster treatment time, selective processing, instantaneous control, and acceleration of the reaction rate. The present review provides insights into the current research and advantages of using...
298.

Flexible NO2 gas sensor using multilayer graphene films by chemical vapor deposition

Hong Kyw Choi, Hu Young Jeong, Dae-Sik Lee, Choon-Gi Choi, Sung-Yool Choi 한국탄소학회 Carbon Letters 4 Pages

한국탄소학회 Carbon Letters 2013, Vol.14 No.3 8 186-189 (4 pages)

Hong Kyw Choi, Hu Young Jeong, Dae-Sik Lee, Choon-Gi Choi, Sung-Yool Choi 저
- 1,500원
299.

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
300.

Fabrication and Characterization of Porous Non-Woven Carbon Based Highly Sensitive Gas Sensors Derived by Magnesium Oxide

Yesol Kim, Seho Cho, Sungho Lee, Young-Seak Lee 한국탄소학회 Carbon Letters 6 Pages

한국탄소학회 Carbon Letters 2012, Vol.13 No.4 10 254-259 (6 pages)

Yesol Kim, Seho Cho, Sungho Lee, Young-Seak Lee 저
...
- 3,000원

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