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      • KCI등재

        The Study of the Effect of Transportation on Issuerelevant Thoughts in Narrative Persuasion

        Kitae Kim(Kitae Kim),Jisoo Park(Jisoo Park) 글로벌지식융합학회 2023 지식융합연구 Vol.6 No.1

        기존의 설득 내러티브(persuasive narratives) 연구에서는 독자의 내러티브의 몰입(transportation)이 내러티브에서 논하는 이슈에 관한 생각과 비판적 사고를 방해한다는 ‘몰입과 이슈 관련 사고의 양립불가능 원칙(the principle of incompatibility of transportation and issue-relevant thought)’을 제시하였다. 그러나 이전 연구에서는 설득적 의도가 명확하지 않은 내러티브를 사용한 경우가 많았다. 본 연구는 개인의 인지적 반응을 수집하기 위해 활용되는 ‘사고 목록 작성(thought-listing)’ 방법을 원용하여, 109명의 대학생에게 기존의 연구와는 달리 좀 더 노골적이고 명확한 설득의도를 가진 메시지로 위 원칙을 테스트해보았다. 본 연구결과는 위 원칙에 반대되는 결과를 보여주었는데, 내러티브에 몰입한 정도는 이슈에 대한 생각의 긍·부정 여부는 상관없이 이슈에 관한 생각 정도와 부적 상관관계를 가지지 않았으며 심리적 반발심(PR)이나 논리적 반박(CA)과 같은 설득에의 저항도 이슈에 관한 생각정도와 유의미한 관계를 나타나지 않았다. 즉, 본 연구결과는 설득 목적 내러티브의 이슈에 관한 생각과 비판적 사고는 내러티브에 대한 몰입보다 내러티브의 설득의도가 이야기 속에 얼마나 명확하게 제시되는 지에 더 큰 영향을 받을 수 있다는 점을 시사한다. The previous research of persuasive narrative messages has suggested that transportation into narratives prohibits issue-relevant thinking and critical thoughts on the issue, which is known as “the principle of incompatible of transportation and issue-relevant thought”. However, the previous research did not use narrative appeals with explicit persuasive intent and strong argument. Furthermore, the issues in the narratives were often not personally relevant. Hence, employing thought-listing techniques, this study tested the principle with persuasive narrative messages that had more explicit persuasive intention and more relevant issue to the participants. The findings of this study contradicts the principle: the extent to which the participants were transported into the story was not negatively associated with the number of issue-relevant thoughts, regardless of the valence of the thoughts. Consequently, this study suggests whether people are willing to think about the issue of persuasive narrative messages may be more related to the how explicitly the persuasive intent in narratives is presented in the narratives rather than transportation into the narratives.

      • A Study on the Operation of Education Using Library Using Flip Learning Techniques: Focusing on ubiquitous E-learning that reflects gaming elements

        KiTae KIM(KiTae KIM),HoSung WOO(HoSung WOO) 한국4차산업학회 2022 4차산업연구 Vol.2 No.2

        Purpose - The purpose is to present an efficient library-use education model in the form of flip learning, reflecting traditional teaching methods and gamification elements even in such non-face-to-face and face-to-face situations after COVID-19. Research design, data, and methodology - Research on library use education, research on ubiquitous environment and gamification instructional design, flip the learning, and gamification elements are classified, compared, and analyzed to present educational models for library education, COVID-19 Pandemic situation, and subsequent library use education. Result - We propose an e-learning content development strategy for flipped learning-based library education. First, benchmark and use the existing educational contents. Second, a user-friendly interface is configured so that learners can flexibly organize their learning contents. Third, it allows learners to experience it directly or indirectly in a virtual space. Conclusion - If the e-learning environment can be standardized to the level of schools or educational institutions, a good educational model that can be used not only in library user education but also in other fields will be possible.

      • KCI등재

        Effect of Kinetic Degrees of Freedom on Hierarchical Organization of Multi-element Synergies during Force Production and Releasing Tasks

        ( Kitae Kim ),( Junkyung Song ),( Jaebum Park ) 한국운동역학회 2020 한국운동역학회지 Vol.30 No.2

        Objective: The purpose of this study was to examine the effect of degrees of freedom on the multi-synergies in two hierarchies of human hand system during force production and releasing tasks. Method: In this study, the constrained movements of the aiming and releasing actions using both hands and fingers during archery-like shooting were implemented as experimental tasks. The participants produced a pulling force holding the customized frame (mimicking an archery bow, with a set of force transducers) and kept it consistently for about 5 seconds, and released fingers as quickly as possible in a self-paced manner within the next 5 seconds. An analytical method based on the uncontrolled manifold hypothesis was used to quantify the stability index (synergy index) in two hierarchies including two hands (upper hierarchy) and individual fingers (lower hierarchy). Results: The results confirmed that the positive synergy pattern showed simultaneously at the upper and lower hierarchies, and the kinetic degrees of freedom were associated with the increment of hierarchical synergy indices and the performance indices. Also, the synergy indices of both hierarchies showed significant positive correlations with the performance accuracy during the task. Conclusion: The results of this study suggest that the human control system actively uses extra degrees of freedom to stabilize task performance variables. Further increasing the degree of freedom at one level of hierarchy induces positive interactions across hierarchical control levels, which in turn positively affects the accuracy and precision of task performance.

      • KCI등재

        Distribution of Genetic Variants in Korean Soybeans

        Kitae Song,Jeong Hoon Kim,Gi Yong Yoon,Hyo Chul Kim,Seungho Shin,Won Cheol Yim,Kyung-Hee Kim,Byung-Moo Lee 한국작물학회 2015 Korean journal of crop science Vol.60 No.2

        Next generation sequencing technologies provide opportunities to reveal the genetic variants and differentially expressedgenes. The genetic variants are closely relevance to understanding of genes and phenotypic differences related to agronomic characteristics among cultivars. In this study, we conducted RNA-seq using two Korean soybean accessions, including Daewon and Hwangkeum, by using next generation sequencing against Williams 82 genome as reference. A number of variants such assingle nucleotide variants (SNV), multiple nucleotide variants (MNV), insertion/deletion (InDel) and replacement, was 34,411 and 55,544 in Daewon and Hwangkeum, respectively. Among these variants, 9,611 nonsynonymous variants were detected within 4,290 genes in Daewon and 13,225 non-synonymous variants were located on 5,672 genes in Hwangkeum. The distribution of nonsynonymous variants and expression values of genes can serve as invaluable resource for genotyping and study of traits within genes for soybean improvements.

      • Improving the Selection of Long-term Service for Naval Officers through the Relative Influence Analysis

        Kitae Kim 한국산업경영시스템학회 2021 한국산업경영시스템학회 학술대회 Vol.2021 No.춘계

        Strong naval power is needed to protect the sea, the lifeline of the national economy and people's lives. The navy has been operating with the increase of forces and the selection of officers to achieve its mission, and long-term service officers are selected every year. In this study, problems were identified through the analysis of relative influence of the long-term service selection system for naval officers by evaluation factors. As a result of relative influence on the selection data for long-term service of 203 officers over the past 3 years(2018∼2020) showed education results(25.05%) > english ability(23.33%) > work evaluation(11.23%) > prize(10.91%). In order to equal the relative influence and the rate of allocation by evaluation factors, higher the score of work evaluation, command recommendation, and physical strength, lower the score of education results, english ability, and prize were required. Sensitivity analysis was conducted after suggesting the alternatives that adjusted the scoring by ±2∼5, ±2∼10 points. As a result of calculating the relative influence on the alternatives, rankings of the score and the relative influence gradually became similar.

      • KCI등재

        Effect of Kinetic Degrees of Freedom of the Fingers on the Task Performance during Force Production and Release: Archery Shooting-like Action

        ( Kitae Kim ),( Dayuan Xu ),( Jaebum Park ) 한국운동역학회 2017 한국운동역학회지 Vol.27 No.2

        Objective: The purpose of this study was to examine the effect of changes in degrees of freedom of the fingers (i.e., the number of the fingers involved in tasks) on the task performance during force production and releasing task. Method: Eight right-handed young men (age: 29.63±3.02 yr, height: 1.73±0.04 m, weight: 70.25±9.05 kg) participated in this study. The subjects were required to press the transducers with three combinations of fingers, including the index-middle (IM), index-middle-ring (IMR), and index-middle-ring-little (IMRL). During the trials, they were instructed to maintain a steady-state level of both normal and tangential forces within the first 5 sec. After the first 5 sec, the subjects were instructed to release the fingers on the transducers as quickly as possible at a self-selected manner within the next 5 sec, resulting in zero force at the end. Customized MATLAB codes (MathWorks Inc., Natick, MA, USA) were written for data analysis. The following variables were quantified: 1) finger force sharing pattern, 2) root mean square error (RMSE) of force to the target force in three axes at the aiming phase, 3) the time duration of the release phase (release time), and 4) the accuracy and precision indexes of the virtual firing position. Results: The RMSE was decreased with the number of fingers increased in both normal and tangential forces at the steady-state phase. The precision index was smaller (more precise) in the IMR condition than in the IM condition, while no significant difference in the accuracy index was observed between the conditions. In addition, no significant difference in release time was found between the conditions. Conclusion: The study provides evidence that the increased number of fingers resulted in better error compensation at the aiming phase and performed a more constant shooting (i.e., smaller precision index). However, the increased number of fingers did not affect the release time, which may influence the consistency of terminal performance. Thus, the number of fingers led to positive results for the current task.

      • Experiment Verification of Thiele Equation of Skyrmion Hall Effect

        Kitae Kim,Seong-Hyub Lee,Sug-Bong Choe 한국자기학회 2021 한국자기학회 학술연구발표회 논문개요집 Vol.31 No.2

        Magnetic skyrmion is topologically stable spin configuration, which is extensively studied nowadays as promising information carrier in future. Such skyrmion is composed of the Néel-type domain wall with energy stabilization by the Dzyaloshinskii-Moriya interaction. When electric current flows through the skyrmion, the effect based on the Berry phase makes skyrmion deflected from the direction of the current. This effect is called skyrmion Hall effect, which consequently causes information loss by inducing skyrmion annihilation near boundary of device. Therefore, the skyrmion Hall effect attracts great attention with caution in development of skymions to memory device. In this study, we made series of samples, Ta (5) / Pt (2.5) / Co (X) / W (3) / Ta (2 nm), with varying the magnetic layer thickness X = 0.9, 1.0, 1.1, 1.2, 1.6, 1.7, and 1.9 nm using DC magnetron sputtering. We measure then the skyrmion Hall angle by means of a magneto-optical Kerr effect (MOKE) microscope. In Thiele equation, the skyrmion Hall angle is predicted in terms of Gilbert damping α and anisotropy field Hk. The results are shown in Fig. 1. Although Ideal skyrmion moves remaining circular, in case of half-skyrmion observed in our samples, one half part is extended inclined to the current direction while the other half is pinned. Topological structure is same between skyrmion and half skyrmion so that our result shows verification of Thiele equation experimentally. 〈그림 본문참조〉

      • Abstract : Electrokinetic remediation of metalcontaminated paddy rice field

        ( Kitae Baek ) 한국환경농학회 2012 한국환경농학회 워크샵자료 Vol.2012 No.2

        We evaluated the influence of electrode configuration on in situ electrokinetic remediation of As-, Cu-, and Pb-contaminated soil in a pilot-scale field application. Dense electrode configurations resulted in high current under a constant voltage gradient, the high current raised soil temperature, and it caused unnecessary electrical energy consumption. Additionally, temperature increase in soil transported pore water from bottom to top layer, which accumulated contaminants in the top soil layer because the mobilized contaminants was co-transported by the water flow. On the other hand, the groundwater flow, gravitational force, and electro-osmotic flow were combined together and affected complexly the transport of mobilized contaminants. Sequential extraction showed that electrokinetic treatment increased the residual fraction of As, the fraction of Cu bound to organic matter, and the fraction of Pb bound to organic matter and residual portion. This result implies that the groundwater flow and soil temperature should be monitored during the remediation and the configuration should be considered to minimized unnecessary transport of contaminants. Additionally, the effectiveness of ex situ electrokinetic remediation (EKR) in treating actual As-contaminated soil was evaluated at a pilot scale (1 m [W] × 1 m [L] × 1.5 m [H]). Ethylenediamine tetraacetic acid (EDTA) and sodium hydroxide as the catholyte and anolyte, respectively, were circulated to enhance the desorption of As. Two types of soil were collected from a real contaminated agricultural area: silty loam from a rice paddy and sandy clay loam from dry land. An average of 78% of the As was removed from the two types of soil after 8 weeks, and the residual As concentration met the level set by Korean legal regulations. The average removal rates were 1.06 and 1.55 mg/kg/day, respectively, for the paddy and dry field soil samples. In addition, fractionation analysis showed that most other fractions and even a large portion of the residual fraction were removed after EKR. The ex situ application provided electrolyte more uniformly to the entire soil sample; therefore, there was no significant variation in As removal depending on the depth of the soil. These results indicated that ex situ EKR is an effective technique for the remediation of As-contaminated sites. EKR could be an excellent technology to remove metals from rice field with fine grained soil such as silt and clays, and it is possible to apply this technique to real field as in-situ and/or ex-situ. Acknowledgement This work was supported by KEITI through GAIA project.

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