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Variation in Antioxidant Activity of Perilla leaves (Perilla frutescens) Collected from Russia
Da Jeong Kim(김다정),Yi Jin Jeong(정이진),Awraris Derbie Assefa(아와리스 아세파),On Sook Hur(허온숙),Na Young Ro(노나영),Jae Eun Lee(이재은),Ju Hee Rhee(이주희),Sok Young Lee(이석영),Jung Sook Sung(성정숙) 한국약용작물학회 2018 한국약용작물학회 학술대회논문집 Vol.2018 No.1
김다정 ( Da-jeong Kim ),김윤호 ( Yoon-ho Kim ),이은서 ( Eun-ser Lee ) 한국정보처리학회 2010 한국정보처리학회 학술대회논문집 Vol.17 No.1
정보 활용이 유연한 현대 소비자들의 알 권리 충족을 위해 현존하는 모든 사물에 제공되어야 하는 정보가 늘어나고 있음에 따라 사물들의 객체의 속성도 또한 증가하고 있다. 다중속성 기반 객체를 관리하는 시스템에 있어 효율적인 객체관리를 위한 방법을 연구하고 그 방안으로 객체를 재구성하여 분배하는 디스패처(Dispatcher)를 제시한다. 또한 의존성에 관련한 향후 연구 방향을 제시한다.
김다정(Da Jeong Kim),곽효서(Hyo Seo Kwak),성한샘(Han Saem Sung),김재열(Jae Yeol Kim),엄태진(Tae Jin Eom),김철(Chul Kim) 대한기계학회 2018 大韓機械學會論文集A Vol.42 No.9
스윙게이트 밸브는 디젤엔진 선박의 터보 과급기로 유입되는 배기가스를 제어하는 역할을 수행한다. 기존의 밸브는 디스크와 몸체 사이의 간극이 없어 불완전 연소 시 생성되는 불순물로 인해 디스크가 고착되어 원활한 개폐가 어렵고 디스크에 처짐이 발생하여 밸브 개폐 시 몸체에 스크래치가 발생한다. 이에 본 연구에서는 디스크의 고착 방지를 위하여, 밸브가 닫혀 있을 때 현장에서 요구하는 누설 허용량 5% 이내를 만족하는 간극 범위를 결정하였다. 밸브의 전체 두께는 설치공간의 제약으로 인해 고정되어 있으므로 결정된 간극에 따라 플랜지와 몸체의 두께를 설계하였고, 이를 통해 밸브의 경량화를 이루었다. 또한, 디스크의 형상 및 두께 설계를 통해 디스크 처짐으로 인한 스크래치를 저감시켰으며, 상기의 과정을 거쳐 설계된 스윙게이트 밸브에 대하여 진동하중에 따른 구조안전성을 검증하였다. The swing gate valve controls the exhaust gas flowing into the turbocharger installed on the diesel engines of ships. The conventional swing gate valve has no clearance between the disc and the body parts to which the impurities generated during incomplete combustion can adhere. As a result, opening and closing the valve can be difficult. In addition, deflection of the disc causes scratching when the valve is opened or closed. In this study, a clearance within the allowance leakage (5%) has been determined to prevent the valve from sticking to the body parts as the valve closes. The thickness of the body and flange parts were designed according to this calculated clearance, and the design of the disc leads to a reduction in scratch formation. Finally, the structural safety of the proposed model was evaluated under vibration loads.
호텔의 연출서비스가 구성원들이 느끼는 이미지 및 직무만족에 미치는 영향
김다정 ( Kim Da-jeong ),최정환 ( Choi Jeong-hwan ) 한국호텔리조트학회 2022 호텔리조트연구 Vol.21 No.2
The purpose of this study is to provide basic information about the efficient management of hotel companies by analyzing the effects of hotel presentation services on member image and job satisfaction. The subject of the study was a statistical analysis of factor analysis, reliability analysis, correlation analysis, and regression analysis were performed based on a total of 192 questionnaires collected from managers working in hotels in the metropolitan area. The results of the study are as follows. First, presentation service has a significant positive effect on brand image. Second, member image has a positive significant effect on job satisfaction. Third, presentation service has a significant positive impact on job satisfaction. The results of the analysis show presentation service have a significant positive effect on member image and job satisfaction. Based on the research results, this study is expected to provide and establish basic information and suggest directions and strategic plan management contribute to the development of the hotel industry.
Variation in Fatty Acid Compositions of Perilla Seeds Collected from Russia
Da Jeong Kim(김다정),Yi Jin Jeong(정이진),Awraris Derbie Assefa,On Sook Hur(허온숙),Na Young Ro(노나영),Jae Eun Lee(이재은),Ho Sun Lee(이호선),Myeong Chul Lee(이명철),Ju Hee Rhee(이주희),Sok Young Lee(이석영),Jung Sook Sung(성정숙 한국약용작물학회 2018 한국약용작물학회 학술대회논문집 Vol.2018 No.2
창조교육 교수-학습 이론에 따른 영어 글쓰기 동아리 지도 사례 연구
김다정 ( Kim Da-jeong ) 창조교육학회 2016 창조교육논총 Vol.18 No.-
In the modern world where creative and critical thinking under the given situations and conditions has become more critical than ever, english education focuses on Communicative Language Teaching(CLT) because even though we have professional knowledge and various information, if we can`t express exactly what we want to say, that means we are not the master of that field. Especially within the communicative framework of language teaching, the skill of writing enjoys special status-it is via writing that a person can communicate a variety of messages to a close or distant, known or unknown reader or readers. At this point, we wonder what subject students should write about and how they write and the answer lies in creativity education. We live the present mixed with the past but also the era when there is no disconnection of space time. In this time, people can have access to an enormous amount of information through the form of traditional paper or the cutting-edge technology called Internet. Among all the contents, because only new and distinctive ones get attention from the audiences and the information without uniqueness is considered valueless, students should be able to find proper information critically and write it in their words creatively. Thus, we should pursue education that nurtures creative students by arousing their interest out of teaching the fragmentary knowledge. English classes also have to encourage students to find their own interest autonomically, accept what they have found critically, and study the way to express feeling and thought creatively. This study is aimed at the process of writing with creativity and the English writing club activities which focus on encouraging and nurturing students` creativity through the five steps of the Creativity Teaching and Learning method.