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31.

The effect of the spinning conditions on the structure of mesophase pitch-based carbon fibers by Taguchi method

Zhao Jiang, Ting Ouyang, Xiangdong Yao, Youqing Fei 한국탄소학회 Carbon Letters 10 Pages

한국탄소학회 Carbon Letters 2016, Vol.19 11 89-98 (10 pages)

Zhao Jiang, Ting Ouyang, Xiangdong Yao, Youqing Fei 저
...
- 3,000원
Taguchi’s experimental design was employed in the melt spinning of molten mesophase pitch to produce carbon fibers. The textures of the obtained carbon fibers were radial with varied crack angles, as observed by scanning electron microscopy and polarized optical imaging. The diameter, crack angle, preferred orientation, and tensile modulus of the produced samples were examined to investigate the influence of four spinning variables. The relative importance of the variables has been emphasized...
32.

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...
33.

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
34.

Tyrosinase-Immobilized Biosensor Based on Ionic Property-Modified MWNTs Prepared by Radiation-Induced Graft Polymerization

Hana Ryu, Seong-Ho Choi 한국탄소학회 Carbon Letters 8 Pages

한국탄소학회 Carbon Letters 2010, Vol.11 No.3 8 216-223 (8 pages)

Hana Ryu, Seong-Ho Choi 저
...
- 3,000원
35.

Pandemic Screen Time: An Analysis of Parenting Practices Connected with Children’s Use of Media in South Korea and the United States during the COVID-19 Pandemic

Amie Kim, Hyeon-Seon Jeong, Rebekah Willett, Ju Lim, Mi Yoon, Gwanghee Kim 경인교육대학교 교육연구원 교육논총 16 Pages

경인교육대학교 교육연구원 교육논총 2022, 제 42권 제 3호 6 81-96 (16 pages)

Amie Kim, Hyeon-Seon Jeong, Rebekah Willett, Ju Lim, Mi Yoon, Gwanghee Kim 저
...
- 4,500원
This article reports on a study investigating the experiences of family media practices during the pandemic. The article is based on questionnaires and semi-structured interviews with 39 parents in South Korea and the United States who have children aged between 4 and 11. The article employs a framework developed by Livingstone and Blum-Ross to consider different “genres for ‘digital parenting’” (2020: 11). The article argues that although children’s screen time increased dramatically,...
36.

Curriculum for a Subject using Cloud-based SW to Enhance Untact Education Capabilities of Field Teachers

Hur Kyeong 경인교육대학교 교육연구원 The Journal of Education 15 Pages

경인교육대학교 교육연구원 The Journal of Education 2020, Vol.3 No.2 7 109-123 (15 pages)

Hur Kyeong 저
...
- 4,400원
In this paper, a practical curriculum for using cloud software (SW) is proposed that can be applied as a subject for strengthening the untact education capability of field teachers. For untact education, teachers require content creation and online collaboration skills. Content creation forms are divided into real-time and video contents. Cloud-based SW can be used for online collaboration education. Currently, cloud-based Google and Chrome SW can be used to create real-time and video contents....
37.

Computer-Based Test (CBT) 개발 및 CBT에 대한 학생들의 인식

임은정(Eun-Jung Im), 이원기(Won-Kee Lee), 이유철(Yoo-Chul Lee), 최병호(Byung-Ho Choe), 정성광(Sung-Kwang Chung), 이택후(Taek-Hoo Lee), 조훈(Hune Cho), 손진호( 한국의학교육학회 Korean Journal of Medical Education 10 Pages

한국의학교육학회 Korean Journal of Medical Education 2008, 제 20권 제 2호 6 145-154 (10 pages)

임은정(Eun-Jung Im), 이원기(Won-Kee Lee), 이유철(Yoo-Chul Lee), 최병호(Byung-Ho Choe), 정성광(Sung-Kwang Chung), 이택후(Taek-Hoo Lee), 조훈(Hune Cho), 손진호( 저
...
- 3,000원
38.

Expression of Angiostatin Using DNA - Based Semliki Forest Virus Replicon

Hyun Soo Kim, Kwang Soon Shin, Jong Soo Lee, Young Ki Choi, Chul Joong Kim, Yong Soo Choi 대한수의학회 Journal of Veterinary Science 5 Pages

대한수의학회 Journal of Veterinary Science 2002, 제 3권 제 1호 7 41-45 (5 pages)

Hyun Soo Kim, Kwang Soon Shin, Jong Soo Lee, Young Ki Choi, Chul Joong Kim, Yong Soo Choi 저
...
- 1,500원
Angiogenesis is recognized as a critical factor in the growth of tumor cells and plays a key role in the tumor metastasis. Recent studies for antiangiogenic substances are getting popular. The angiostatin, one of the antiangiogenic substances, leads to the increased apoptosis of the tumor cells by inhibiting the neovascularization of the tumor. The angiostatin was identified as the internal fragments of the plasminogen which has no antiangiogenic activity. By hydrolysis of the plasminogen, the...
39.

AnInvestigationofField-based ExperiencesforPre-serviceMusic TeachersinMassachusetts:Implications forPoliciesandStrategiesGoverning Field-basedExperiencesforMusicTeacher CandidatesintheRepublicofKore

JooHyun Kang 한국음악교육학회 음악교육연구 25 Pages

한국음악교육학회 음악교육연구 2018, 제 47권 제 2호 1 1-25 (25 pages)

JooHyun Kang 저
...
- 5,400원
In order to explore implications for improvement in Korean field-based experiences for pre-service music teachers, this study investigated policies governing these experiences in music teacher training and their implementation in Massachusetts. Content analysis revealed that music teacher candidates in that state must choose two different grade levels and work at least 300 hours in the field. Tito University in Massachusetts required close to 500 hours of works, far surpassing the state’s...
40.

Development of Luciferase Reporter Gene-based Cell Bioassay for the Aromatic Hydrocarbon Receptor Agonists

Sun-YoungKim, Eun-JungChoi, Jae-HoYang 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2006, Vol.10 No.6 9 349-354 (6 pages)

Sun-YoungKim, Eun-JungChoi, Jae-HoYang 저
...
- 3,000원
The aromatic hydrocarbon receptor (AhR) is a ligand-activated transcription factor that mediates many of the biological and toxicological effects of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD, dioxin) and related chemicals. The application of recombinant reporter plasmid such as the firefly luciferase gene has proven to be a very effective method to detect these chemicals. The bioassay system, CALUX, is sensitive in directly detecting AhR-agonists from a variety of environmental and biologic...

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