ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 66, Number 6
JKCSEZ 66(6)
December 20, 2022 

433  

Generalized Synthesis of Magnetic Cobalt(II) Coordination Polymers with Halide and N-heterocycle Ligands
Jumin Park, Intek Song*
Keywords: Coordination polymer, Transition metal, Halide, N-heterocycles, Synthesis
DOI: https://doi.org/10.5012/jkcs.2022.66.6.433

Abstract  |  Full Text: PDF    JATS XML

436  

Fabrication of Ultramicroelectrodes with Nanoporous Gold Structures by Potentiostatic Anodization
정전위 양극 산화에 의한 나노다공성 금 구조의 초미세 전극 제작
Seoin Shin, Siyeon Lee, Jongwon Kim*
Keywords: Ultramicroelectrode, Nanoporous gold, Anodization, Potentiostatic, Roughness factor
DOI: https://doi.org/10.5012/jkcs.2022.66.6.436

Abstract  |  Full Text: PDF    JATS XML

442  

Diversification of 4,5-disubstituted Pyrrolo[3,2-d]-pyrimidines by Microwave Assisted Metal Catalyzed Reaction
마이크로파와 금속 촉매를 이용한 Pyrrolo[3,2-d]-pyrimidine 유도체의 다양화
Jeong Seob Byeon, Eul Kgun Yum, Yeong-Joon Kim*
Keywords: Microwave heating, O-arylation, Suzuki coupling, pyrrolo[3,2-d]pyrimidine
DOI: https://doi.org/10.5012/jkcs.2022.66.6.442

Abstract  |  Full Text: PDF    JATS XML

451  

Enhanced Performance in a Lithium-ion Battery via the Crystal-aligned LiNi_0.6Mn_0.2Co_0.2O₂ and the Relevant Electrochemical Interpretation
결정배향 LiNi_0.6Mn_0.2Co_0.2O₂ 전극활물질을 통한 리튬이차전지 성능 향상 및 이의 전기화학적 해석
Cham Kim
Keywords: Lithium-ion battery, LiNi_0.6Mn_0.2Co_0.2O₂, Magnetic property, Magnetic field, Crystal alignment
DOI: https://doi.org/10.5012/jkcs.2022.66.6.451

Abstract  |  Full Text: PDF    JATS XML

459  

Characteristics of Pre-service Science Teachers’ Reflection of Questions Considering the Context of Discourse
담화 맥락을 고려한 예비과학교사의 발문 반성 과정에서 나타나는 특징
Sunghoon Kim, Yousun Jeon, Hunsik Kang, Taehee Noh*
Keywords: Questioning, Pre-service science teacher, Class video, Reflection, Context of discourse
DOI: https://doi.org/10.5012/jkcs.2022.66.6.459

Abstract  |  Full Text: PDF    JATS XML

472  

Secondary Science Teachers’ PCK Components and Subcomponents Specific to the Learning Environment in an Online-offline Mixed Learning Environment
온-오프라인 혼합 학습환경에서 중등과학교사의 학습환경 특이적인 PCK 요소 및 하위요소
Jisu Kim, Aeran Choi*
Keywords: PCK, Online and offline learning environment, Secondary science teacher
DOI: https://doi.org/10.5012/jkcs.2022.66.6.472

Abstract  |  Full Text: PDF    JATS XML

493  

Analysis on the Characteristics of Academic Achievement About ‘properties of matter’ and ‘change of matter’: Focusing on the Results of the National Assessment of Educational Achievement (NAEA) in the 2009 Revised Curriculum
물질의 성질 및 물질의 변화 영역에서 중학생들의 학업성취 특성 분석 : 2009 개정 교육과정 시기 국가수준 학업성취도 평가 결과를 중심으로¹⁾
Jongho Baek, Wonho Choi*
Keywords: National assessment of educational achievement, Properties of matter, Change of matter, Chemistry, Middle school
DOI: https://doi.org/10.5012/jkcs.2022.66.6.493

Abstract  |  Full Text: PDF    JATS XML

509  

Analysis of the Effect of Collaborative Problem-Solving Based Science Class on Students' Character Competency in the Elementary School Science ‘Dissolution and Solution’ Unit
초등학교 과학 ‘용해와 용액’ 단원에서 협력적 문제해결에 기반한 수업이 학생들의 인성역량에 미치는 영향 분석
Jiaeng Park, Jihun Park, Jeonghee Nam*
Keywords: Elementary science class based on collaborative problem-solving, Character competence, Reflective writing
DOI: https://doi.org/10.5012/jkcs.2022.66.6.509

Abstract  |  Full Text: PDF    JATS XML

521  

A Push-Pull Conjugated Fluorophore for pH-Sensing in Acidic Solutions
산성 용액에서의 pH 측정을 위한 푸시-풀 공액 형광염료
Sang Shin Lee, Hyung Jin Kim*
Keywords: Push-pull conjugated dye, Fluorescent sensor, pH sensor
DOI: https://doi.org/10.5012/jkcs.2022.66.6.521

Abstract  |  Full Text: PDF    JATS XML