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민영철,노덕규,김상준,MINH Y. C.,ROH D.-G.,KIM S. J.,OHISHI M. 한국천문학회 2001 天文學論叢 Vol.16 No.1
We observed the thermal transitions of SiO (J=I-0, 2-1) and $^{29}SiO$ (J=l-O) toward the Sgr A molecular clouds. The distribution and the velocity structure of SiO are very similar to previous results for 'quiet' interstellar molecules. We think· that the SiO has been well mixed with other molecules such as $H_2$ which may indicate that the formation of Sgr A molecular clouds was affected by the activities, such as shock waves or energetic photons, from the Galactic center in large scales. The total column density of SiO is about $4.1\times10^{14} cm^{-2}$ and the fractional abundance $SiO/H_2$ appears to be about 10 times larger than those of other clouds in the central region of our galaxy. The derived values are thought to be lower limits since the optical depths of the observed SiO lines are not very thin. The formation of SiO has been known to be critically related to shocks, and our results provide informative data on the environment of our Galactic center.
공익광고를 통해서 본 현대 러시아 사회- 2000년대 이후 주요 이슈와 변화 양상 -
송정수,N. Y. 그랴칼로바 중앙대학교 외국학연구소 2022 외국학연구 Vol.- No.60
In the early days of the post-Soviet era, the Russian government actively used public service advertising to establish a new identity. Unlike the provocative public service advertisements of the Soviet era, which were mainly used to promote the government’s ideology with a strong ‘propaganda’ tendency, the public service advertisements in the post-Soviet era serve to make the public aware of the various social problems facing Russia. The public, recognizing the related problems through public service advertisements, will have empathy for the solution and improvement of the problem. And based on this, the foundation for the modern Russian identity is established. Therefore, it can be said that modern Russian public service advertisements represent the current state of Russian society and Russian identity. This article outlines the flow and history of public service advertisements in Russia since the 2000s, and furthermore, the aspects and characteristics of changes in various materials and issues appearing in advertisements. Through this, we examine the changes in the production method and expression of public service advertisements in Russia since the 2000s. In addition, this paper analyzes Russian perceptions and their attitudes toward major social issues that have been continuously exposed through public service advertisement channels over the past 20 years. The various values and problems presented by modern Russian public service advertisements are directly or indirectly related to the tasks that must be preceded for Russia's future, which will ultimately change more positively and progressively than the present. In this respect, the various messages that are continuously spread to the Russian people through public service advertisement channels can be seen as an indirect suggestion of the Russian identity that is ‘being created’ as well as the identity of Russia that is ‘to be created’. In addition, various messages and images seen through Russian public service advertisements can be seen as one of the important tools for realizing the ‘post-Soviet Russian identity’ that the Russian government is trying to establish.