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Erica Costa Mielke 한국정부학회 2010 한국정부학회 학술발표논문집 Vol.2010 No.12
Curitiba, is the capital of the State Of Parana, locatedin the southern Brazil, is the seventh city in population containingapproximately 1, 8 million inhabitants and an area of 432km2. The city began planning in 1940`s where there was formulating a master plan, valuing the deployment of squares and parks in the city. All the planning converge to integrate the urban development, public transportation and environmental conservation, in order to provide quality of life for citizens of Curitiba. The environmental sustainability of the planet necessarily passes through the sustainability of cities. All this planning allowed Curitiba to have: 35 Units of Conservation, among Parks and Forests, covering an area of 11,957,837.00 m2, 3,500,000.00 of these massive forest regions, 77.7 million m2 of massive forest regions was accounted in 2005, covering an area equivalent to 18% of the total city area, 342 different species of birds observed and cataloged, 300 000 trees in the road system and 51.5 square meters of green area per inhabitant. Environmental education is always included in the preparation of projects and in their implementation.Undoubtedly, the planning of which I spoke, is of great importance, but nothing would have been worth it if we had the support of the population of Curitiba. Is not an easy task. Today, I confess to you that on some projects that we have developed, the most difficult part is finding the right approach to engage the population. Without the engagement of the population, is very likely that the project will not succeed. The objective of this presentation is to demonstrate the major environmental programs of the City of Curitibaandtoemphasizetheengagementofourpopulation.
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Jae-Young Yu,박영윤,Randall E. Mielke,Max L. Coleman 한국지질과학협의회 2007 Geosciences Journal Vol.11 No.4
: The meteoric water deposited in the Chuncheon area was collected from July 2002 to May 2004 and its chemical and isotopic compositions were analyzed to examine if the isotopic data can help trace the sources of the sulfur pollutant and understand the details of acid formation processes in the air. The chemical compositions of the meteoric water indicate that the sulfate mostly comes from anthropogenic sources. The sulfur isotopic compositions of the dissolved sulfate in the meteoric water (34SSO4) vary from 2.6 to 7.5 with little seasonal differences, which are significantly different from those of the sulfur in the coal being locally consumed (4.5 to 0.7). This difference indicates that the local coal consumption gives insignificant contribution to the pollutant sulfur in the acid deposition of the area. The relationship between 34SSO4 and the concentration of sulfate suggests that the sources of pollutant sulfur are variable and inhomogeneous.The oxygen isotopic compositions of the dissolved sulfate in the meteoric water (18OSO4) range from 9.0 to 17.2, which are generally lower in winter than in spring. Comparison between the measured and calculated values of 18OSO4 suggests that the oxygen isotopic exchange between sulfite and water occurs before its oxidation to sulfate. The extent of isotopic exchange seems to be not controlled by equilibrium but by kinetic fractionation. The poor correlation between 18OSO4 and the oxygen isotopic composition of the meteoric water confirms the disequilibrium nature of the isotopic exchange.
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Keizo Murata,Harukazu Yoshino,Tsutomu Nakanishi,Takako Konoike,James Brooks,David Graf,Charles Mielke,George C. Papavassiliou 한국물리학회 2004 Current Applied Physics Vol.4 No.5
In the two-dimensional organic conductor, τ-(EDO-S,S-DMEDT-TTF)2(AuBr2)1+ y, we have observed Shubnikov de Hass oscillations with Landau level down ton ¼ 2 in eld up to 27 T. Motivated with this result, we extended to Hall eect study in pulsed magnetic eld up to 60 T as well as in dc eld up to 45 T and found Hall resistance plateau above 40 T (n ¼ 1). Since this system consists of two two-dimensional Fermi surface pockets, and larger pocket has a large eective mass compared with the smaller one,larger Fermi pocket behaves as a reservoir for the smaller pocket to be well-separated into completely lled and completely emptyLandau levels in a certain range of temperature and magnetic eld. The interpretation of realizing the Hall plateau can beunderstood as a new mechanism for QHE, but is quite dierent neither from localization nor eld induce spin density wave state inorganic TMTSF salts.
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Shubnikov-de Haas Oscillation in PuIn3
Yoshinori Haga,Eric D. Bauer,Paul H. Tobash,Jeremy N. Mitchell,Oscar Ayala-Valenzuela,Ross D. McDonald,Charles H. Mielke,Zachary Fisk 한국물리학회 2013 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.63 No.3
The Fermi surface of PuIn3 is investigated using flux-grown single crystals. Shubnikov-de Haas(SdH) oscillations were detected by means of the skin-depth measurement using a proximitydetector-oscillator circuit. Angular dependence of the SdH frequency which corresponds to theextremal cross-sectional area of Fermi surface agrees well with the previous magnetic susceptibilitymeasurement using conventional field-modulation method. The SdH oscillation suddenly vanisheswhen the magnetic field is tilted from the cubic [111] direction.
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