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백태경 ( Tae Kyung Baek ),山下三平 ( Sampei Yamashita2 ) 한국지리정보학회 2013 한국지리정보학회지 Vol.16 No.1
본 연구는 아시아 각국 중 활발히 경관계획이 수립되고 있는 일본과 우리나라를 대상으로 경관데이터베이스를 구축함과 동시에 경관제도를 비교하고 분석함을 목적으로 했다. 경관법 제정후의 우리나라의 경관법(2008.3)과 일본의 경관법(2004.6) 그리고 그 조례와 시행사례를 한국과 일본을 대상으로 비교하여 특징을 파악했다. 일본에서는 2010년 12월 1일 현재 472개의 지자체가 경관행정단체이며 우리나라는 2010년 3월 1일 현재 83지자체가 경관행정단체임을 알 수있었다. 한일 양국의 경관법은 전체적으로 보면 유사한 구조로 구성되어 있으나 우리나라의 경우 부칙과 벌칙규정이 없고 일본의 경관법에는 경관지구조항이 있다는 점 등이 특징이라 할 수 있다. 본 연구에서 도출된 결과들은 앞으로 동아시아지역의 경관계획 또는 경관제도의 확립 및 발전에 기초자료로서 활용할 수 있으리라 기대된다. This study is to compare and analyze the current status of landscape planning system in Korea and Japan by establishing the landscape database utilizing geographic information system(GIS). Specifically, landscape laws and their ordinances enacted in Korea and Japan and their implementation cases were compared to identify the characteristics. As of December 1, 2010, landscape administrative bodies are composed of 472 local governments in Japan while as of March 1, 2010, they are 83 local governments in Korea. The landscape laws in Korea and Japan have a similar structure overall. However, there are no supplementary provision and penal provision in the Korean landscape law whereas there is landscape district provision in the Japanese landscape law. The results of this study would be used as a base for building up the landscape planning and policy in the East Asian region.
Yamashita Kei 전북대학교 인문학연구소 2024 건지인문학 Vol.- No.39
본 연구의 목적은 박정희 대통령 집권 중 유신체제에서 실시한 고등학교 교육과정에서 나타난 ‘군사적 교육’의 의미와 목적을 살펴보는 것이다. 연구방법은 ①'국민교육헌장' 관련 키워드 추출, ②'군사적 교육' 관련 키워드 대조, ③주요 3개 교과의 특징과 분석 결과의 3단계로 나누어서, 학교 교육과정과 군사주의 이데올로기의 연관성에 대해 분석한 것이다. 분석 결과 유신체제기 고등학교 교육과정에서 볼 수 있는 군사적 교육이란 〈협동심〉, 〈국방〉, 〈애국심과 조국에 대한 긍지〉, 〈반공〉, 〈국가와 봉사의 태도〉, 〈규율과 질서〉, 〈효율〉, 〈책임〉을 함양하는 교육이었다. 이는 정부가 근대화를 위한 방법으로 군사적 교육을 이용하여 군사주의 이데올로기를 주입하려 했던 것이다. The purpose of this study is to examine the meaning and purpose of 'military education' in the Senior High School Educational Curriculum conducted by the Yushin system during the Park Chung-hee presidency. This research employed three methods: 1. Extracting keywords from the 'National Chart of Education', 2. Contrasting these keywords with ' Military Education ', and 3. Analyzing the features of three main courses. As a result, the 'Military Education' in the 'High School Curriculum' during the Yushin Regime primarily comprised eight elements: 'Cooperation', 'National Defense', 'Patriotism and Pride in the Homeland', 'Anti-communism', 'Attitude Towards the Nation and Service', 'Discipline and Order', 'Efficiency', and 'Responsibility'. This reflects the government's effort to train citizens who would contribute to modernization through school education, using military education as a mean to instill a militaristic ideology.
Yamashita, Hiromi,Kawasaki, Shinichi,Ichihashi, Yuichi,Takeuchi, Masato,Harada, Masaru,Anpo, Masakazu,Louis, Catherine,Che, Michel 한국화학공학회 1998 Korean Journal of Chemical Engineering Vol.15 No.5
Titanium-silicon (Ti/Si) binary oxides having different Ti content were prepared by the sol-gel method and utilized as photocatalysts for the hydrogenation and hydrogenolysis of CH₃CCH with H₂O. The photocatalytic reactivity and selectivity of these catalysts were investigated as a function of the Ti content and it was found that the hydrogenolysis reaction (C₂H_6 formation) was predominant in regions of low Ti content, while the hydrogenation reaction (C₃H_6 formation) proceeded in regions of high Ti content. The in situ photoluminescence, diffuse reflectance absorption, FT-IR, XAFS (XANES and EXAFS), and XPS spectroscopic investigations of these Ti/Si binary oxides indicated that the titanium oxide species are highly dispersed in the SiO₂ matrices and exist in a tetrahedral coordination exhibiting a characteristic photoluminescence spectrum. The charge transfer excited state of the tetrahedrally coordinated titanium oxide species plays a significant role in the efficient photoreaction with a high selectivity for the hydrogenolysis of CH₃CCH to producea mainly C₂H_6, and CH₄, while the catalysts involving the aggregated octahedrally coordinated titanium oxide species show a high selectivity for the hydrogenation of CH₃CCH to produce C₃H_6, being similar to reactions of the powdered TiO₂ catalysts. The good parallel relationship between the yield of the photolumunescence and the specific photocatalytic reactivity of the Ti/Si binary oxides as a function of the Ti content clearly indicates that the high phatocatalytic reactivity of the Ti/Si binary oxides having low Ti content is associated with the high reactivity of the charge transfer excited state, of the isolated titanium oxide species in tetrahedral coordination, [Ti^(3+)-O^-]^*.
Yamashita, N.,Gasnault, O.,Forni, O.,d'Uston, C.,Reedy, R.C.,Karouji, Y.,Kobayashi, S.,Hareyama, M.,Nagaoka, H.,Hasebe, N.,Kim, K.J. Elsevier 2012 Earth and planetary science letters Vol.353 No.-
<P><B>Abstract</B></P> <P>The first unambiguous global distribution of Ca on the Moon has been revealed by the Kaguya Gamma-Ray Spectrometer. The observation of the 3737keV gamma rays from <SUP>40</SUP>Ca with a high energy resolution Ge detector, corrected for fast neutrons, improved greatly our confidence in these remote sensing data. While the derived Ca abundance generally confirms the mare-highland dichotomy, we found that the eastern mare regions such as Crisium, Nectaris, and Fecunditatis exhibit unexpected high Ca abundances. This may be explained by regional concentrations of high-Ca clinopyroxene. Our Ca map also shows that the lowest CaO abundance found in the returned samples (∼8wt%) may actually be common in Oceanus Procellarum, suggesting the possible sampling bias of Apollo and Luna missions. These observational results on Ca serve as a complementary criterion for better characterization of mare regions on the Moon.</P> <P><B>Highlights:</B></P> <P>► Global distribution of Ca on the Moon is derived from Kaguya GRS data. ► Observation by high precision Ge detector greatly improved confidence in measurement. ► Ca was found to be more abundant in the east mare region than in the west. ► Selective concentration of high-Ca pyroxene in the eastern mare region is implied. ► Ca provides a complementary criterion to characterize the lunar thermal history.</P>
Therapeutic Uses of the Radioactive Isotope
Yamashita, Hisao 대한핵의학회 1971 핵의학 분자영상 Vol.5 No.1
Therapeutic uses of the radioactive isotope can be devided in 3 groups, i.e. 1) Brachytherapy. 2) Multicurie teletherapy and 3) Internal use of naked radioisotope. By utilizing their radioactivity, radioisotopes can be well adapted as effective means to radiaton therapy. From the beginning of the 20th century, natural radioactive substances, like radium, have been widely used for the purpose of the treatment of cancer and other diseases, and have been giving pretty good effects. In the present case of artificial radioisotopes, their applicable fields are not the same with radium, but reach far out to such broader extents, and larger amounts with varieties almost unthinkable with radium. New fields were also cultivated for application of radioisotope directly into human body, and thereby to bring out desirable therapeutic effects. $quot;
Yamashita, Yasuhiko,Kushima, Soichiro,Okuno, Yuuichirou,Morishita, Taisei Council on Tall Building and Urban Habitat Korea 2018 International journal of high-rise buildings Vol.7 No.3
This paper introduces three distinctive means for the use of a 189-meter high damped structure ensuring safety against earthquake: 1. Realization of L-shaped elevational structural planning: The bottom and top of the tower have belt trusses and hat trusses respectively to restrain the bending deformation. Furthermore, large-capacity oil dampers (damping force 6,000 kN) are installed in the middle part of the tower to restrain the higher-mode deformation. 2. Realization of L-shaped planar structural planning: We devised a means of matching the centers of gravity and rigidity by adjusting planar rigidity. Moreover, viscous damping devices are located at the edges of the L-shaped plan, where torsional deformation tends to be amplified. We call this the "Damping Tail" system. 3. Composite foundation to equalize deformations under different loading conditions: We studied the vertical and horizontal deformations using sway-rocking and 3D FEM models including the ground, and applied multi-stage diameter-enlarged piles to the tower and a mat foundation to the podium to keep the foundations from torsional deformations and ensure structural safety.
Satellite experiments on Variable Polarization/Frequency Division Multiplexing(VPFDM)
Yamashita, Fumihiro,Kobayashi, Kiyoshi,Ueba, Masazumi,Zakouji, Takaaki 통신위성우주산업연구회 2006 Joint Conference on Satellite Communications Vol.2006 No.-
We report the results of satellite experiments on Variable Polarization/Frequency Division Multiplexing (VPFDM) and its operational principles. VPFDM is a new multiple access method that enables each user to freely utilize dual polarization and frequency resources. No BER degradation was observed in VPFDM satellite experiments, meaning that the VPFDM modem can demodulate received signals as expected regardless of the polarization rotation angle or dynamic polarization rotation. Because of this performance, we expect VPFDM to be applied to the maritime satellite communications service called Earth Station onboard Vessel (ESV)[l][2], to which Ku band is allotted as a primary band in the WRC 2003.