http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
2015 개정 중학교 교육과정의 생명과학 영역에 제시된 탐구 활동은 적절한가?
오채원 ( Chae-won Oh ),임수민 ( Soo-min Lim ),김영신 ( Youngshin Kim ) 한국생물교육학회 2022 생물교육 Vol.50 No.1
The purpose of this study is to find out whether the inquiry activities presented in the life science field of the 2015 revised middle school science curriculum are appropriate. For this purpose, we analyzed the semantic network of concepts presented in the text and inquiry activities targeting middle school science textbooks that are frequently used. At this time, the semantic network was visualized in a two-mode method using the Semantic Network Analysis method. As a result of the study, the inquiry activities presented in the curriculum were properly connected with the concepts presented in the text of the textbook. However, in some units, there were units where there was no connection between the inquiry activity and the concepts presented in the text. Curriculum is a very important factor in writing textbooks. Therefore, it is necessary to include all the concepts to be presented in the textbook text in the inquiry activity of the curriculum. Based on the results of this study, it is expected that the inquiry activity will be presented more appropriately through the connection between the concepts presented main text and inquiry activity in the newly revised 2022 curriculum.
김기혁,오채원,이동훈,Kim, Ki-Hyuke,Oh, Chae-Won,Lee, Donghoon 한국건설안전학회 2019 한국건설안전학회 논문집 Vol.2 No.1
Recently, as development of building construction technology, height of building continues increase. But, there is no clear ground of service life of tower crane. So, accident in the tower crane continues to occur. In addition to Korea, there is no clear ground for the serive life of tower cranes overseas. For this reason, this study aims to establish the maximum service life of tower crane. Accidents in tower cranes continues to increase, and the cause of the accident is that there are no ground of limitations for service life of tower cranes. Therefore, in this study, the maximum service life of the tower crane was calculated by using the information of the hoisting case of the tower crane to limit the model year of the tower crane. The results of this study are as follows; As the number and time of the hoisting work increases, the maximum service life of the tower crane decreases. In addition, since this study refers to European standards, it is necessary to establish standards for domestic situations. Result of this study, we expect decrease accidents in tower crane. And it is expected that the service life of tower crane will be more clear if this study is developed. 현재 건축물의 높이가 높아지고 우리나라 가구 형태가 개인 주택에서 아파트로 변화함에 따라 타워크레인의 사용 횟수는 계속해서 증가하고 있다. 그러나 이처럼 증가하는 타워크레인 사용 횟수에 반해 우리나라 타워크레인 관련 정책은 매우 미비한 실정이다. 특히 타워크레인과 관련된 사고의 원인 중 가장 큰 비중을 차지하는 타워크레인 연식에 대한 기준은 그 설정 근거가 부족하다. 따라서 본 연구에서는 이와 같은 문제점에 주목하여 타워크레인의 보다 신뢰성 있는 타워크레인의 연식을 설정하는 연구를 진행한다. 이를 위해 본 연구에서는 기존 연구에서 사용했던 사례와 영국 타워크레인 기준을 바탕으로 사용 연식을 설정한다.