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441.

Application of a Standard Setting Method based on the Rasch Model for the Clinical Comprehensive Examination

Kang Taehoon, Park Chanho, Cho Sookyung 한국교육학회 교육학연구 20 Pages

한국교육학회 교육학연구 2021, 59권 3호 4 91-110 (20 pages)

Kang Taehoon, Park Chanho, Cho Sookyung 저
...
- 4,900원
Standard setting is a procedure critical for criterion-referenced tests such as licensure examinations. Various standard setting methods have been suggested and used, some of which are based on item response theory. In this study, we suggest a relatively new standard setting method based on the Rasch model, which is a special type of item response theory model. The suggested method was applied to the Clinical Comprehensive Examination, which is used to prepare medical students for the medical...
442.

다집단 인지진단모형 적용에 의한 학대 변화유형별 청소년 정서?행동문제의 경향성 탐색

박산하, 김성은, 성태제 한국교육학회 교육학연구 23 Pages

한국교육학회 교육학연구 2016, 54권 3호 8 201-223 (23 pages)

박산하, 김성은, 성태제 저
...
- 5,200원
본 연구는 인지진단모형을 심리검사 분야에 활용하는데 있어 적용상의 이점을 확인하고 이를 통해 학대와 그로 인한 정서?행동문제의 감소 방안 모색에 함의를 제공하고자하였다. 인지진단모형은 인 지능력을 측정하기 위해 인지요소를 분류하여 응답한 결과를 분석한 후 인지요소에 대한 보유여부를 판단하는 이론이다. 인지진단모형을 청소년의 심리특성 분석에 적용하기 위하여 학대의 종단적 경향 성을 기준으로 집단을 구분한 후 다집단 인지진단모형을 적용하였다. 아동청소년패널조사의 초4 패널 을 대상으로 2012년부터...
443.

음악치료와 무용/동작치료의 상호관련성

최병철 한국무용동작심리치료학회 무용동작치료논문집 12 Pages

한국무용동작심리치료학회 무용동작치료논문집 2003, Vol.4 8 85-96 (12 pages)

최병철 저
...
- 4,100원
음악치료나 미술치료, 무용/동작치료를 포함하는 창의적 예술치료들을 다른 말로는 표현치료라 부른다. 이는 다른 이들에게 개인의 감정을 쉽게 공개할 뿐 아니라 다른 이들의 표현을 판단 없이 수용하도록 하는 것이 특징이라는 것인데 이러한 음악과 동작, 미술적 중재는 많은 경우 유사한 활동들을 공유한다. 심지어는 어떤 특정한 중재를 동작치료로 봐야할지 아니면 음악치료로 봐야할지 분간하기 어려운 경우도 있다. 그런 경우 대개 주된 치료의 역할을 감당하는 것이 무엇인가에 따라 구분하게 되는데 이런 관점에서, 치료를...
444.

Physicochemical properties and methane adsorption performance of activated carbon nanofibers with different types of metal oxides

Faten Ermala Che Othman, Norhaniza Yusof, Hasrinah Hasbullah, Juhana Jaafar, Ahmad Fauzi Ismail, Noor Shawal Nasri 한국탄소학회 Carbon Letters 8 Pages

한국탄소학회 Carbon Letters 2017, Vol.24 11 82-89 (8 pages)

Faten Ermala Che Othman, Norhaniza Yusof, Hasrinah Hasbullah, Juhana Jaafar, Ahmad Fauzi Ismail, Noor Shawal Nasri 저
...
- 3,000원
In this study, composite PAN-based ACNFs embedded with MgO and MnO2 were prepared by the electrospinning method. The resultant pristine ACNFs, ACNF/MgO and ACNF/MnO2 were characterized in terms of their morphological changes, SSA, crystallinity and functional group with FESEM-EDX, the BET method, XRD and FTIR analysis, respectively. Results from this study showed that the SSA of the ACNF/MgO composite (1893 m2 g?1) is significantly higher than that of the pristine ACNFs and ACNF/MnO2 which is...
445.

Effect of the surface modification using MWCNTs with different L/D by two different methods of deposition on the IFSS of single carbon fiber-epoxy resin composite

Minerva L. Herrera-Sosa, Alex Valadez-Gonz?lez, Humberto V?zquez-Torres, Pierre G. Mani-Gonz?lez, Pedro J. Herrera-Franco 한국탄소학회 Carbon Letters 10 Pages

한국탄소학회 Carbon Letters 2017, Vol.24 3 18-27 (10 pages)

Minerva L. Herrera-Sosa, Alex Valadez-Gonz?lez, Humberto V?zquez-Torres, Pierre G. Mani-Gonz?lez, Pedro J. Herrera-Franco 저
...
- 3,000원
Multiwall carbon nanotubes (MWCNT) with two different (L/D) aspect ratios (7±2 μm/140±30 nm and 0.5?2 μm/8?15 nm) were surface treated using nitric acid (HNO3) and polyethyleneimine (PEI) prior to their deposition on carbon fibers (CF). Before the hierarchical reinforcement with CF-MWCNT, the CFs were treated with 3-glycidoxypropyltrimethoxysilane, a coupling agent (Z6040) and with poly(amidoamine) (PAMAM) a dendrimer containing an ethylenediamine core and amine surface groups. The MWCNT...
446.

Facile fabrication of electrospun polyacrylonitrile/ poly(vinylidene fluoride)-based carbon nanofibers for supercapacitor electrodes

Hyo In Lee, Soo-Jin Park 한국탄소학회 Carbon Letters 5 Pages

한국탄소학회 Carbon Letters 2017, Vol.23 12 79-83 (5 pages)

Hyo In Lee, Soo-Jin Park 저
...
- 1,500원
Energy storage devices and renewable energy sources are some of the most interesting alternatives being developed to solve the energy crisis [1,2]. At the same time, energy harvesting and storage devices are among the technologies with the highest potential to efficiently satisfy the energy requirements of compact electronic devices [3]. Among various energy storage devices, supercapacitors are the among the most intensely researched because of their high power density, long cycle retention, and...
447.

Lyocell-based activated carbon fibers improved the adsorption of harmful gas properties when produced via dual-simultaneous treatments

Byong Chol Bai, Ji Sun Im, Young-Seak Lee 한국탄소학회 Carbon Letters 5 Pages

한국탄소학회 Carbon Letters 2017, Vol.23 10 69-73 (5 pages)

Byong Chol Bai, Ji Sun Im, Young-Seak Lee 저
...
- 1,500원
In gas adsorption processes, activated carbon fibers (ACFs) are used for the adsorption of the harmful gases that are generated by coal or oil combustion, and they have been widely studied [1,2]. ACFs have been used for harmful gas removal because of their specific surface area, micropores, reproducibility, safety, and processing ability, which are beneficial properties for a wide range of applications [3,4].
448.

Dispersions of partially reduced graphene oxide in various organic solvents and polymers

Hye Min Kim, Seo Gyun Kim, Heon Sang Lee 한국탄소학회 Carbon Letters 8 Pages

한국탄소학회 Carbon Letters 2017, Vol.23 8 55-62 (8 pages)

Hye Min Kim, Seo Gyun Kim, Heon Sang Lee 저
...
- 3,000원
We report on the dispersion state of partially reduced graphene oxide (PRGO) in organic solvents, namely methyl ethyl ketone, ethyl acetate, methylene chloride, toluene, and xylene, by controlling the carbon to oxygen (C/O) atomic ratio of the PRGOs. A two-phase solvent exchange method is also proposed to transfer PRGO from water to an aprotic solvent, such as methyl ethyl ketone. We achieve relatively good dispersion in aprotic and non-polar solvents by controlling the C/O atomic ratio of the...
449.

Effect of added mesophase pitch during the pitch synthesis reaction of PFO

Ji Hong Kim, Jong Gu Kim, Chul Wee Lee, Ki Bong Lee, Ji Sun Im 한국탄소학회 Carbon Letters 7 Pages

한국탄소학회 Carbon Letters 2017, Vol.23 7 48-54 (7 pages)

Ji Hong Kim, Jong Gu Kim, Chul Wee Lee, Ki Bong Lee, Ji Sun Im 저
...
- 3,000원
This research considers the effect of added mesophase pitch (MP) as an additive during the pitch synthesis reaction of pyrolyzed fuel oil (PFO). Two effects are generated by adding MP. One is an enhancement of thermal stability due to the high thermal property of the additive; the other is that the volatile compounds that were removed by vaporization of PFO during the thermal reaction can participate in the pitch synthesis reaction (PFO→pitch) more efficiently. The effect differs according to...
450.

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...

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