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Language Use of English-speaking Children in the Immersion Classrooms
박명주 팬코리아영어교육학회 2008 영어교육연구 Vol.20 No.1
This is an ethnographic case study of the English-speaking preschool children in Two-Way Immersion Spanish Time (TWIST). It portrayed and analyzed children’s language use during circle time, free-play time, and story time of preschool classrooms. The aim of this study is to provide a better understanding English-speaking children’s Spanish language use in foreign language immersion settings. Data were collected by videotaping, field notes, formal and informal interview with teachers and parents for one academic year. Collected data were analyzed on the framework of language use patterns based on Clyne’s (1986) and Hagino’s (2001) oral productions and responses framework. During TWIST, English-speaking children showed patterns of language use (English use, formulaic Spanish use, invented Spanish use, original Spanish use) and patterns of responses to be addressed Spanish by others (ignoring, elicited acceptance, voluntarily acceptance). Children’s responses transited from ignoring to accepting a new language after the first several months of TWIST. Data also showed that there were teachers’ elicited Spanish verbal input in order to support and encourage English-speaking children to use Spanish.
Two-agent scheduling with generalized due dates
박명주,민윤홍,Byung-Cheon Choi 한국해운물류학회 2018 The Asian journal of shipping and Logistics Vol.34 No.4
In this paper we consider the problems of order pickers in warehouse management. We interpret the problems as machine scheduling problems in which the due dates are not specified for the jobs but for their positions. In addition, we also consider the situation where there exist two types of orders: the primary (or urgent) order and the secondary (regular) order. These problems can be modeled as two-agent scheduling problems with generalized due dates. In particular we consider two environments: single-machine and the proportionate flow shop. Two objectives are considered: The first objective is to minimize one agent’s performance measure with a constraint on the other agent’s one, while the second objective is to minimize the weighted sum of the performance measures of two agents. The performance measures introduced in this paper are the maximum tardiness, the total tardiness, and the total number of tardy jobs. We show that under both machine environments, the case with the first objective is weakly NP-hard when the performance measures of two agents are the total tardiness, while the other cases are polynomially solvable.
표면강화형흡수방지재 적용 콘크리트의 기공률 및 내마모성 특성
박명주,노재호,이병재 한국구조물진단유지관리공학회 2019 한국구조물진단유지관리공학회 논문집 Vol.23 No.4
Concrete is a material generally used to build structures and it is exposed to various environment conditions. In particular, a medium suchas water lets noxious factors flow into concrete, causing a lot of damage. Therefore, different kinds of materials are being developed to increase thedurability of concrete. Among such materials, silane and siloxane compound are known to have a high utilization as an absorption inhibitor. However, if aged or deteriorated reinforced concrete is treated with those compounds, they easily come off the concrete and lose their function sincethe basic material is weak. This study conducted an experiment to provide concrete with both an absorption-inhibiting effect and surfacestrengthening by using melamine-formaldehyde resins that are surface-treated with siloxane compound. In addition, a study on the porosity andsurface hardness characteristics of a concrete was conducted to check the absorption-inhibiting effect and surface strengthening. 콘크리트는 일반적으로 구조물에 활용되는 재료로써 다양한 환경조건에 노출된다. 특히 물과 같은 매체를 통해 콘크리트에 유해한 인자가 유입되므로 많은 피해를 야기 시킨다. 이에 콘크리트 내구성을 높이기 위해 많은 재료가 개발되고 있는 실정이다. 그중에 실란과실록산 화합물은 흡수방지제로 활용도가 높은 재료로 알려져 있다. 그러나 노후화되거나 열화된 콘크리트에 처리할 경우 기재 자체가 약해쉽게 박리되어 그 기능을 상실하는 문제점이 있다. 그래서 본 연구에서는 실록산 화합물로 표면 처리된 멜라민-포름알데히드 수지를 활용해콘크리트에 흡수방지제 효과와 동시에 표면강화 성능을 부여하기 위한 실험을 진행하였고, 이를 확인하기 위해 콘크리트의 기공률 및 표면경도 특성을 연구하였다.
박명주 ( Park Myung Ju ),권기성 ( Kwon Ki Seong ),박수현 ( Park Su Hyeon ),현정환 ( Hyun Jung Hwan ),김윤용 ( Kim Yun-yong ) 한국구조물진단유지관리공학회 2017 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.21 No.2
In this study, to improve the disadvantages of the absorber used in the repair and reinforcement of the structure, the penetration depth and the freezing and thawing resistance performance of the concrete strength were analyzed.
국내 노인상담 연구 동향: 2000-2022년 10월까지 학술지 논문 중심으로
박명주,박은경 학습자중심교과교육학회 2023 학습자중심교과교육연구 Vol.23 No.15
Objectives The purpose of this study was to examine the trends of counseling of older adults in Korean journals from 2000 to 2022. Methods To this end, from 2000 to October 2022., a descriptive statistical analysis was conducted on domestic academic papers according to the analysis criteria of the year of publication, research subject, research method, research topic and related variables, and counseling theoretical background. Results First, research related to older adults counseling in Korea has been steadily conducted, but research on older adults counseling has not increased significantly. Second, 86 studies (54%) of the general older adults were the most studied, followed by 32 studies of older adults with diseases and disabilities (20.2%), 23 studies of older adults (14.5%), 16 studies of older adults counselors and practitioners (10%) and 2 general public (1.2%). Third, as for the research method, 123 quantitative studies (71.1%) were the most common, followed by 29 qualitative studies (16.76%), 16 literature studies (9.25%), and 5 mixed studies (2.89%). Fourth, emotional and personality variables were mainly conducted as research variables, followed by cognitive variables, behavior and adaptation variables, relationship variables, and other variables. Finally, only 36 studies (20.8%) of all studies presented the basis for counseling theory. The main theoretical approaches were cognitive approaches, 9 case(25%), family counseling approaches, 5case(13.9%), positive-based approaches, 2case(5.6%), and human and existentialist approaches, reality therapy, interpersonal approaches, and integrated approaches, respectively 1case(2.8%). Conclusions Based on these results, the implications of older adults counseling research in Korea and suggestions for follow-up studies were made.