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Lee, JiYi,Lane, Douglas A. Elsevier 2010 Atmospheric environment Vol.44 No.20
<P><B>Abstract</B></P><P>The reaction of gas phase phenanthrene (Phen) with the OH radical in the presence of NO<SUB>x</SUB> was studied in a reaction chamber. A number of oxidation products were identified by two dimensional gas chromatography–time of flight mass spectrometry (GC × GC–TOFMS). Identified products included 9-fluorenone, 1,2-naphthalic anhydride, 2,2′-diformylbiphenyl, dibenzopyranone, 1, 2, 3, 4 and 9-phenanthrols, 2, 3, 4 and 9-nitrophenanthrenes, 1,4-phenanthrenequinone, 9,10-phenanthrenequinone, and 2- and 4-nitrodibenzopyranones. This is the first study to identify 1,2-naphthalic anhydride and 1,4-phenanthrenequinone as products of the gas phase reaction of Phen with the OH radical. Eight more products were tentatively identified by their mass spectral fragmentation patterns and based on the typical OH radical initiated photochemical reaction mechanisms of simple aromatic compounds and naphthalene. In the reaction chamber, particle formation of products as a function of irradiation time was measured. Phenanthrenequinones, phenanthrol, nitrophenanthrene and nitrobenzopyranone were observed predominantly in the particle phase. This implies that these oxidized products formed from the reaction of Phen with the OH radical in the chamber would be associated with particles in the atmosphere and may, therefore, have an impact on human health. Possible pathways for the formation of these products are suggested and discussed.</P>
음악방송과 인공지능의 협업 : 엠넷 AI 음악 프로젝트 <다시 한번> 수용자 연구
이지이(Lee, JiYi) 아시아문화콘텐츠연구소 2021 문화·경영·기술 Vol.1 No.1
이 글은 대중가요를 다루는 음악방송에서 인공지능의 협업의 성과인 엠넷 AI 프로젝트 <다시 한번>이 수용자들에게 미친 영향은 무엇인가? 라는 연구 문제를 시작으로 첫째, 수용자는 공연콘텐츠의 요소로서 감정적 유대감이 필요하다고 생각하는가. 둘째, 수용자는 자신의 기억을 소환하거나 기억을 생성하는 방식으로서 노스탤지어를 수용하는가. 셋째, 수용자는 보는 음악, 공연콘서트에서의 인공지능의 영향력에 대해 어떻게 생각하는가에 대해 알아보았다. 자전적 수용자 입장의 참여 관찰과 방송 내 방영을 위한 랜선 콘서트에 자발적 참여 의사를 보인 관객들, 적극적 수용자를 대상으로 심층 면접을 하였다. 인공지능의 성장과 공연콘텐츠로의 활용, 홀로그램이라는 매개로 인한 수용자들이 느낀 감정 등이 어떤 영향을 끼쳤으며 4차 산업에서 대중가요 관련 공연콘텐츠는 어떤 변화와 수용을 거듭할지에 대해 연구해보았다. 본 연구로 인해 인공지능이 대중가요와 공연콘텐츠에서 얼마나 활약할 수 있는지에 대한 수용자 연구의 지평을 넓히는 데 일조할 수 있으리라 생각한다. How did the Mnet AI project Once again affect viewers through collaboration between popular music and artificial intelligence? First, starting with the research question, do you think emotional bonding is necessary as an element of performance content? Second, do viewers accept nostalgia and memory as a way of reviving them or creating them? Third, viewers learned how they felt about the effects of artificial intelligence at music and performance concerts they saw. The study was conducted with participatory observation and in-depth interview methodology. In-depth interviews were held for viewers and audiences who voluntarily participated in online concerts with the aim of participating in autobiographical inmates and broadcasting. It studied how the growth of artificial intelligence, the use of it as performance content, and the emotions of inmates due to hologram media affected the change and acceptance of performance contents related to popular music in the fourth industry. I think this study will help broaden participants perspectives on how much artificial intelligence can play in popular music and performance content.
Amgalan Natsagdorj,Bulgankhangai Tugsbayan,JiYi Lee,Soyol-Erdene Tseren-Ochir 한국대기환경학회 2021 한국대기환경학회 학술대회논문집 Vol.2021 No.10
In this study, we used inductively coupled plasma mass spectrometry (ICP-OES) to evaluate the PM2.5 bound elemental composition. The average concentration of PM2.5 was highest in winter (92.56 μgm<SUP>-3</SUP>) and in summer (13.64 μgm<SUP>-3</SUP>), with a greater abundance of sulfate in winter (155.63 μgm<SUP>-3</SUP>) and (6.84 μgm<SUP>-3</SUP>) in summer. In the PM2.5 samples, high concentrations of ambient elements were observed for Ca, Al, K, Zn, and Pb. The concentrations of toxic heavy metals such as Pb was 1.4 higher than the Mongolian National Standard (MNS 4585:2016, which is 1 μg/m³). In conclusion, the seasonal variation of the elements’ concentrations mostly depended on consumption, such as coal and wood consumption (W/S > 1). Crustal matter elements depended on dusting and vacuuming activities (W/S < 1). For detecting potential emission mitigation measures and for impact assessment of implemented air pollution reduction measures further components should be measured that are typical for specific emission sources. Especially the pollution load in some Ger-districts, which are not yet equipped with automatic monitoring stations, should be further investigated.