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2015 개정 영어 교육과정 핵심역량 측면에서의 초등 5, 6학년 영어교과서 과제 분석
정해란(Hae Ran Chung),임희정(Hee Jeong Ihm) 한국초등영어교육학회 2022 초등영어교육 Vol.28 No.2
The purpose of this study is to examine the tasks in the 5th and 6th grade of the 2015 elementary English textbooks in terms of task design standard and core competency development, investigating the effectiveness and improvement of textbook tasks. For these purposes, in this study, a task analysis checklist reflecting four competencies and their sub-factors was developed to analyze 397 tasks of 5 types, 10 English textbooks for fifth and sixth graders. As a result, it was confirmed that the distribution of tasks and the number of tasks among the five textbooks were relatively evenly arranged except for one textbook. It was also found that the selected tasks for each textbook included all four core competencies, but knowledge information processing competency was found to be very low in all textbooks compared to the other three competencies. As a result of the analysis of the distribution of sub-factors by core competency, it was found that all four competency task activities were concentrated on specific sub-factor activities, indicating that there was an imbalance between the sub-factors of competency.
남한의 주용 금속광상산 석영내의 유체포유물의 가스성분과 용존성분의 화학조성
김규한,정해란,Kim, Gyu-Han,Jeong, Hae-Ran 대한자원환경지질학회 1999 자원환경지질 Vol.32 No.5
Gas and chemical compositions of fluid inclusions in quartz some of Au-Ag, Pb-Zn-Cu and W-Mo mineral deposits in South Kores were analyzed to interpret the sources of ore fluid and the depositional condition of ore minerals in base-metal ore deposits. Fluid inclusions in quartz from the gold and silver mines are characterized by $CO_2$ rich fluids which have a wide range in $CH_4 \;and\; CO_2$ contents ($CH_4/CO_2$=0.001-0.225). The $CO_2$ rich but $CH_4$-poor nature of the fluid reflects the high fo2 condition during the mineral precipitation. The C2H6 is detected in hydrothermal quartz vines in metasedimentary rocks from the Jeonjoo-il, Youngbokari and Taechang mines. The $CH_4 /CO_2$ rations in W-Mo bearing quartz veins range from 0.005 to 0.214, which is similar with those in Au-Ag mines. However, skarn formation stage. Fluid inclusions, A relatively good correlation between Na and Cl contentrations reflects varible salinity in the fluid inclusion, it is suggested that the chemistry of promary magmatic hydrothermal fluids has changed during post-magmatic alteration and/or wall rock alteration processes. The content of gas compositions also depends on the kinds of country rocks, supporting above conclusion.