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  1. X-ray microprobe studies of Hungarian background and urban aerosols

    SciTech Connect (OSTI)

    Toeroek, S.; Sandor, S.; Xhoffer, C.; Van Grieken, R.; Jones, K.W.; Sutton, S.R.; Rivers, M.L.


    In order to determine the polluting atmospheric sources in urban and background areas source apportionment of the air particulate matter is necessary. Hitherto these studies were mostly based on bulk composition measurements of the aerosol. Source profiles, i.e. the concentrations of several elements for air particulate matter originating from one source, can be deduced from the receptor data using a number of multivariate techniques among which the chemical mass balance. The application is limited by the large number of observations that must be made for each of the variables. Often an elaborated sample preparation is necessary for fractionating the sample into several sub samples, according to the density, particle diameter or other relevant properties. Often this may results in poorly resolved source profiles. The aim of the present work is to find the relative abundance of the particle types originating from two different background monitoring stations in the middle of the Great Hungarian Plain. In urban areas most pollutants originate from traffic and municipal waste incineration. Since heavy metals play an important role in these samples the highly sensitive x-ray microscope (XRM) of the National Synchrotron Light Source (NSLS) of the Brookhaven National Laboratory was used. A feasibility study on individual aerosol particles sampled at the above background stations and in the urban area of Budapest is discussed.

  2. Hierarchical EMS/SCADA system, Magyar Villamos Muevek Ttroeszt, Hungarian Electricity Board, feasibility study report. Export trade information

    SciTech Connect (OSTI)

    Not Available


    The report concludes a feasibility and requirements study for the Hungarian Eectricity Board (MVMT) to upgrade MVMT's nationwide, hierarchical Energy Management System/Supervisory Control and Data Acquisition (EMS/SCADA) system. The study has resulted in a time-phased implementation plan for the recommended cost-effective solutions, with the associated project schedules and budgetary cost estimates. Specific recommendations are presented for the following closely related implementation projects: The upgrading of an existing EMS in the National Dispatch Center (NDC) including the associated remote facilities at major substations and power plants; The modernization or replacement of the existing SCADA systems and/or implementation of new systems at the regional electric power companies; and The expansion and upgrading of the data communication network that will be required to connect and support the nationwide EMS/SCADA facilities.

  3. Nancy M. Haegel - Curriculum Vitae

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Fulbright Award, Hebrew University, Israel Professional activity (* indicates ... Hebrew University, Open University of Israel, Ben Gurion University, Israel Physics ...

  4. Vertical microphysical profiles of convective clouds as a tool...

    Office of Scientific and Technical Information (OSTI)

    Affiliations Hebrew Univ. of Jerusalem (Israel) Publication Date: 2015-12-23 OSTI ... Research Org: The Hebrew University of Jerusalem (Israel) Sponsoring Org: USDOE Office of ...

  5. Research Highlight

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Effects of Sea Spray on the Thermodynamics of the Hurricane Boundary Layer Download a printable PDF Submitter: Khain, A., The Hebrew University of Jerusalem Area of Research:...

  6. Using RSI format

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    ... University, Evanston, IL 60208. c Present address: Hebrew University, Jerusalem, Israel. d Present address: Northwestern University, Evanston, IL 60208. e Present ...

  7. Christina Martos Hilton

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Hilton already had performed in Russian, Latin, Czech and Hebrew, and she studied Italian for nearly two hours every morning, with quite a bit of French and German sprinkled...

  8. Differences, similarities of early Los Alamos, Soviet scientists...

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Among them, Hargittai is a member of the Hungarian Academy of Sciences, the Academia Europa (London), the Norwegian Academy of Science and Letters, and the New York Academy of...

  9. Eugene Wigner and Fundamental Symmetry Principles

    Office of Scientific and Technical Information (OSTI)

    energy. It was Wigner, along with fellow Hungarian expatriate Leo Szilard, who persuaded Albert Einstein in 1939 to write the now-famous letter to President Roosevelt about the...

  10. Korax Solar | Open Energy Information

    Open Energy Information (Open El) [EERE & EIA]

    search Name: Korax Solar Place: Sillingi t 30, Hungary Product: Hungarian module assembler. References: Korax Solar1 This article is a stub. You can help OpenEI by expanding...

  11. Excitonic Quantum Random Walk in Biological Phycocyanin Nanowires |

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    MIT-Harvard Center for Excitonics Quantum Random Walk in Biological Phycocyanin Nanowires October 6, 2015 at 4:30pm/ 36-428 Yossi Paltiel Department of Applied Physics, The Hebrew University of Jerusalem yossi-3a The importance of quantum processes in biology is starting to be recognized. Quantum processes are being discussed in the context of enzyme function, olfaction, magnetic sensing and most prominently in photosynthetic light-harvesting complexes. These findings suggest that a key to

  12. Women @ Energy: Julia Laskin | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Julia Laskin Women @ Energy: Julia Laskin April 1, 2013 - 4:06pm Addthis Dr. Julia Laskin's career has taken her from Leningrad, USSR, to Washington State via Israel. She earned her master's degree from Leningrad Polytechnical Institute, her Ph.D. from the Hebrew University of Jerusalem, and worked at the University of Delaware on the East Coast until coming to Pacific Northwest National Laboratory in Washington State. Dr. Julia Laskin's career has taken her from Leningrad, USSR, to Washington

  13. Research Highlight

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Thawing the Mystery of Extra Ice Crystals Download a printable PDF Submitter: Fan, J., Pacific Northwest National Laboratory Ovchinnikov, M., Pacific Northwest National Laboratory Comstock, J. M., Pacific Northwest National Laboratory McFarlane, S. A., U.S. Department of Energy Khain, A., The Hebrew University of Jerusalem Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Modeling Journal Reference: Fan J, M Ovtchinnikov, JM Comstock, SA McFarlane, and A Khain.

  14. Research Highlight

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    A New Theory of Time-dependent Freezing and Its Application to Investigation of Formation of Hail Download a printable PDF Submitter: Khain, A., The Hebrew University of Jerusalem Phillips, V., University of Leeds Area of Research: Cloud Processes Working Group(s): Cloud-Aerosol-Precipitation Interactions Journal Reference: Phillips VT, A Khain, N Benmoshe, E Ilotoviz, and A Ryzhkov. 2014. "Theory of time-dependent freezing. II: Scheme for freezing raindrops and simulations by a cloud model

  15. Argonne Gas-filled Fragment Analyzer-AGFA

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Gas-filled Fragment Analyzer-AGFA Argonne National Laboratory B.B. Back, R.V.F. Janssens, W.F. Henning, T.L. Khoo, J.A. Nolen, D.H. Potterveld, G. Savard, D. Seweryniak Hebrew University, Jerusalem, Israel M. Paul University of Massachusetts Lowell P. Chowdhury, C.J. Lister University of Maryland W.B. Walters University of Edinburgh P.J. Woods Lawrence Berkeley National Laboratory K. Gregorich Oregon State University W. Loveland Date: February 11, 2013 Abstract As the premier stable-beam user

  16. Judging Edward Teller: A Closer Look at One of the Most Influential Scientists of the Twentieth Century

    SciTech Connect (OSTI)

    Libby, S B


    Much has been written about Edward TEller, but little of it is objective. Given, on the one hand, his position as one of the most inventive theoretical physicists of the 20th century, and on the other, his central role in the development and advocacy of thermonuclear weapons, one might imagine it impossible at this point in history to write a scholarly, impartial account of Teller's life and his impact. Now, however, Istvan Hargittai, a prominent Hungarian physical chemist and historian of science, has written a balanced, thoughtful, and beautifully research biography that comes closest. Hargittai is uniquely qualified for this difficult task. Coming a generation and a half later from a similar Hungarian-Jewish background, Hargittai understands well the influences and terrible events that shaped Teller. The advent of virulent, political anti-Semitism, first in Hungary and then in Germany, made Teller twice a refugee. Both Teller and Hargittai lost close family in the Holocaust; Hargittai was himself liberated from a Nazi concentration camp as a child. While Teller was in the US by then, his and Hargittai's surviving family members in Hungary suffered mistreatment at the hands of the postwar Hungarian Communist dictatorship. Hargittai's informed Eastern European perspective also provides a fresh viewpoint to the cold war context of the second half of Teller's career. Furthermore, Hargittai's own scientific work in molecular structure clearly makes him appreciate of Teller's breakthroughs in that field in the 1930s.

  17. Quartz tube extensometer for observation of Earth tides and local tectonic deformations at the Sopronbanfalva Geodynamic Observatory, Hungary

    SciTech Connect (OSTI)

    Mentes, Gy.


    In May 1990, a quartz tube extensometer was installed in the Sopronbanfalva Geodynamic Observatory of the Geodetic and Geophysical Research Institute (GGRI) of the Hungarian Academy of Sciences for recording Earth tides and recent tectonic movements. The paper describes the construction of the extensometer and a portable calibrator used for the in situ calibration of the instrument. The extensometer is very sensitive. Its scale factor is 2.093{+-}0.032 nm/mV according to the highly precise calibration method developed at the GGRI. Since the stability of extensometers is strongly influenced by the geological structure and properties of the rocks in the vicinity of the recording site, the observatory instrument system was tested by coherence analysis between theoretical (as the input signal) and measured tidal data series (as the output signal). In the semidiurnal tidal frequency band the coherence is better than 0.95, while in the diurnal band it is about 0.8. Probably this is due to the fact that the noise is higher in the diurnal band (0.4-0.5 nstr) than in the semidiurnal band (0.19-0.22 nstr). Coherence analysis between theoretical and measured data corrected for barometric changes yielded a small improvement of coherence in both frequency bands, while using temperature data correction, no observable improvement was obtained. Results of the tidal analysis also show that the observatory instrument system is suitable for recording very small tectonic movements. The 18 years of continuous data series measured by the extensometer prove the high quality of the extensometer. On the basis of investigations, it was pointed out that further efforts should be done to improve the barometric correction method and that correction for ocean load, as well as considering topographic and cavity effects are necessary to increase the accuracy of determining tidal parameters.