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AKARI AND SPINNING DUST: INVESTIGATING THE NATURE OF ANOMALOUS MICROWAVE EMISSION VIA INFRARED SURVEYS

  • Bell, Aaron C.;Onaka, Takashi;Doi, Yasuo;Sakon, Itsuki;Usui, Fumihiko;Sakon, Itsuki;Ishihara, Daisuke;Kaneda, Hidehiro;Giard, Martin;Wu, Ronin;Ohsawa, Ryou;Mori-Ito, Tamami;Hammonds, Mark;Lee, Ho-Gyu
    • Publications of The Korean Astronomical Society
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    • v.32 no.1
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    • pp.97-99
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    • 2017
  • Our understanding of dust emission, interaction, and evolution, is evolving. In recent years, electric dipole emission by spinning dust has been suggested to explain the anomalous microwave excess (AME), appearing between 10 and 90 Ghz. The observed frequencies suggest that spinning grains should be on the order of 10nm in size, hinting at polycyclic aromatic hydrocarbon molecules (PAHs). We present data from the AKARI/Infrared Camera (IRC) due to its high sensitivity to the PAH bands. By inspecting the IRC data for a few AME regions, we find a preliminary indication that regions well-fitted by a spinning-dust model have a higher $9{\mu}m$ than $18{\mu}m$ intensity vs. non-spinning-dust regions. Ongoing efforts to improve the analysis by using DustEM and including data from the AKARI Far Infrared Surveyor (FIS), IRAS, and Planck High Frequency Instrument (HFI) are described.

Survey and Suggestions on the Educational and Research Environment of Graduate Students of Korean Medicine: Focusing on fostering of KMD-scientist (한의사과학자 양성을 위한 한의학과 대학원 재학생의 교육 및 연구환경 실태조사와 제언)

  • Myungsun Kim;Myung-Ho Kim;Minjung Lee;Dongyeop Jang;Sa-Yoon Park
    • The Journal of Korean Medicine
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    • v.44 no.3
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    • pp.59-73
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    • 2023
  • Objectives: The role of physician-scientists who bridge the gap between basic science and clinical medicine is crucial in advancing medical innovation. This study aims to examine the educational and research environment and career satisfaction of graduate students in Korean Medicine among those who are Korean medicine doctor (KMD). Methods: This study analyzed the results of a survey consisting of respondents' composition, job status, graduate education and job satisfaction, economic conditions, career determinants, and obstacles to the career path of KMD-scientists from 65 participants including both full-time and part-time graduate students. Results: The results revealed significant differences between full-time and part-time graduate students in terms of weekly hours spent and job priorities, motivation for entering graduate school, career preferences, and desired career paths. The study highlights the need for tailored support for full-time and part-time graduate students and the importance of economic assistance in fostering KM scientists. Economic difficulties were identified as a major obstacle for full-time graduate students pursuing research careers. Tuition fees were found to be a significant burden for all graduate students. Furthermore, it emphasizes the importance of enhancing the research capabilities of part-time graduate students and improving the quality of education to foster KMD-scientists. Conclusion: This research provides essential insights for Korean Medicine colleges and graduate schools to develop targeted improvement plans and effectively train KMD-scientist.

A Study on Curriculum Development for Fundamentals of Nursing at the Graduate Level (대학원 기본간호학 전공 교육과정 개발을 위한 연구)

  • Chang Sung-Ok
    • Journal of Korean Academy of Fundamentals of Nursing
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    • v.12 no.2
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    • pp.162-170
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    • 2005
  • Purpose: This study was conducted to develop a curriculum model for fundamentals of nursing at the graduate level which reflects a consensus of educators and the students in Korean nursing society. Method: A survey was used with three groups to identify consensus on a curriculum model for fundamentals of nursing at the graduate level; 42 educators in fundamentals of nursing, 11 nurse educators whose major was not fundamentals of nursing and 70 nurses with a bachelor degree in nursing. Results: Consensus on a curriculum model at the graduate level were delineated from analysis of the survey, Based on these results, a curriculum model fur fundamentals of nursing at the graduate level is outlined: As one major area of nursing, fundamentals of nursing focuses on nursing practice based on basic human needs. Thus main focus of the curriculum for fundamentals of nursing at the graduate level is research performance and theory development on nursing interventions to meet basic human needs in clinical settings. Conclusions: A curriculum model for fundamentals of nursing at the graduate level suggests that its application may have a positive impact on development of distinct knowledge body for fundamentals of nursing that will differentiate the content of education for undergraduate and graduate levels of nursing. However, the suggestion for the curriculum model needs to be refined and developed for application.

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THE CURRENT STATUS OF THE AKARI MID-INFRARED ALL-SKY DIFFUSE MAPS

  • Amatsutsu, Tomoya;Ishihara, Daisuke;Kondo, Toru;Kaneda, Hidehiro;Oyabu, Shinki;Yamagishi, Mitsuyoshi;Nakamichi, Keichiro;Sano, Hidetoshi;Onaka, Takashi
    • Publications of The Korean Astronomical Society
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    • v.32 no.1
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    • pp.25-27
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    • 2017
  • We are creating all-sky diffuse maps from the AKARI mid-infrared survey data with the two photometric bands centered at wavelengths of 9 and $18{\mu}m$. The AKARI mid-infrared diffuse maps achieve higher spatial resolution and higher sensitivity than the IRAS maps. In particular, the $9{\mu}m$ data are unique resources as an all-sky tracer of the emission of polycyclic aromatic hydrocarbons (PAHs). However, the original data suffer many artifacts. Thus, we have been developing correction methods. Among them, we have recently improved correction methods for the non-linearity and the reset anomaly of the detector response. These corrections successfully reduce the artifact level down to $0.1MJy\;sr^{-1}$ on average, which is essential for discussion on faint extended emission (e.g., the Galactic PAH emission). We have also made progress in the subtraction of the scattered light caused in the camera optics. We plan to release the improved diffuse maps to the public within a year.

Theoretical Study of PDP Materials

  • Miyamoto, Akira;Onuma, Hiroaki;Kikuchi, Hiromi;Tsuboi, Hideyuki;Koyama, Michihisa;Endou, Akira;Takaba, Hiromitsu;Kubo, Momoji;Carpio, Carlos A.Del;Selvam, Parasuraman;Kajiyama, Hiroshi
    • 한국정보디스플레이학회:학술대회논문집
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    • 2006.08a
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    • pp.121-124
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    • 2006
  • A novel quantum chemical molecular dynamics program, 'Colors' was developed to simulate the electronic structure of rare earth-doped phosphor materials as well as the destruction processes of MgO protecting layer in plasma display panel (PDP). We have also developed a quantitative prediction method based on Monte Carlo simulation technique to evaluate the electrical conductivity of insulators, semiconductors, and metals as well as the spatial distribution of electron density by Colors code. All these original simulators enable us to study theoretically a variety of materials related to PDP.

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