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Träfflista för sökning "db:Swepub ;lar1:(lu);srt2:(1970-1979)"

Search: db:Swepub > Lund University > (1970-1979)

  • Result 31-40 of 1350
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31.
  • Akselsson, Roland, et al. (author)
  • A Beam Mapping Method
  • 1971
  • In: Nuclear Instruments & Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment. - 0167-5087. ; 91:4, s. 663-664
  • Journal article (peer-reviewed)
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32.
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33.
  • Akselsson, Roland, et al. (author)
  • Application of Proton Induced X-Ray Emission Analysis to the St. Louis Regional Air Pollution Study
  • 1975
  • In: Advances in X-Ray Analysis. ; 18, s. 588-597
  • Journal article (peer-reviewed)abstract
    • The St Louis aerosol was sampled during the period 16-22 August 1973 simultaneously at two locations using cascade impactors for sequential 12-hour samples. The six particle size fractions of each sampling were individually analyzed using PIXE for elements from S to Br and beyond and for heavy elements including Pb which permitted time variations of concentrations and particle size distributions to be followed and related to meteorological changes during the sampling period. In addition, the data were compared with average levels of the elements in coastal north Florida and maritime Bermuda as well as at a third St. Louis site. From this it appeared that some of the concentrations in St. Louis were at natural levels whereas others appeared to be higher and linked to air pollution sources. These relationships and others in this study may lead to criteria for distinguishing between pollutants and natural background in urban aerosols.
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35.
  • Akselsson, Roland, et al. (author)
  • Elemental Abundance Variation with Particle Size in Aerosols from Welding Operations
  • 1974
  • In: Proceedings of the Second International Conference on Nuclear Methods in Environmental Research. ; , s. 395-401
  • Conference paper (peer-reviewed)abstract
    • The effect of airborne particulate matter on human health is today of considerable research interest. Essential parameters include elemental composition sampling with low pressure cascade impactors and analysis by particle induced x-ray emission spectroscopy (PIXE). It is shown that the aerosol generated by arc welding operations is several orders of magnitude denser than aerosols in ambient air. Most of the mass is found on particles between 0.1 and 1µm diameter, but the size distribution differs from one welding technique to another. The relative composition of the aerosol is found to differ significantly from that of both the welding piece and the electrode indicating the presence of fractionation of the type indicated in this work in designing electrodes and welding pieces to minimize the health hazards associated with the welding.
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40.
  • Akselsson, Roland, et al. (author)
  • Luftföroreningar vid svetsning
  • 1977
  • Reports (other academic/artistic)abstract
    • PIXE-analyser kan utföras med utvecklad analysuppställning med noggrannhet och precision av c:a 10 % och med hög analyskapacitet. Ett dataprogram för evaluering av räntgenspektra presenteras. Inverkan av provtjocklek vid PIXE-analys av inhomogena prov har studerats och korrektioner föreslås. Fluorinnehållet i filterprov har bestämts, samtidigt med PIXE-analys, genom utnyttjande av en kärnfysikalisk reaktion som ger resultat med god noggrannhet och precision. Svetsaerosoler har karakteriserats m.h.a. PIXE, ESCA och TEM/EDAX. En uppställning för insamling av svetsaerosoler under utveckling och hittillsvarande resultat indikerar representativ provinsamling med god reproducerbarhet.
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  • Result 31-40 of 1350
Type of publication
journal article (676)
reports (300)
conference paper (100)
book chapter (78)
book (75)
doctoral thesis (66)
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other publication (26)
editorial collection (17)
review (6)
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Type of content
peer-reviewed (697)
other academic/artistic (582)
pop. science, debate, etc. (71)
Author/Editor
Åström, Karl Johan (115)
Akselsson, Roland (75)
Jonung, Lars (60)
Wittenmark, Björn (56)
Küller, Rikard (46)
Svanberg, Sune (42)
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Olsson, Gustaf (42)
Hagander, Per (29)
Johansson, Gerd (28)
Malmqvist, Klas (28)
Jensen, Lars (28)
Elofsson, Rolf (26)
Johansson, Thomas B (23)
Söderström, Lars (22)
Bohgard, Mats (21)
Pettersson, Ove (21)
Nilsson, Sven Gösta (17)
Söderström, Bengt (17)
Lindgren, Georg (15)
Hydén, Christer (15)
Fagerlund, Göran (15)
Hedin, Lars (14)
Nilsson, Åke (14)
Axsäter, Sven (14)
Ahlberg, Mats (13)
Ragnarsson, Ingemar (13)
Winchester, John W (13)
Johannesson, Rolf (13)
Ankerst, J. (13)
Sellerberg, Ann Mari (13)
Magnusson, Sven Erik (12)
Lohmander, Stefan (12)
Carlsson, Lars-Eric (11)
Lannefors, Hans (11)
Hellstrand, Per (11)
Sjögren, H. O. (11)
Tornberg, Eva (11)
Thelandersson, Sven (10)
Lundberg, Hans (10)
Chester, Alan (10)
Svensson, Bo S (10)
Lidgard, Hans Henrik (9)
Bengtsson, Lars (9)
Lohmander, S. (9)
Johansson, B (9)
Grubb, Anders (9)
Nelson, J William (9)
Johansson, Sven A E (9)
Almbladh, Carl-Olof (9)
Leander, G (9)
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University
Lund University  (1350)Undo refine
Linköping University (2)
Linnaeus University (2)
Luleå University of Technology (1)
The Institute for Language and Folklore (1)
Language
English (886)
Swedish (435)
German (20)
French (5)
Russian (2)
Italian (1)
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Arabic (1)
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Research subject (UKÄ/SCB)
Engineering and Technology (520)
Natural sciences (326)
Social Sciences (201)
Medical and Health Sciences (169)
Humanities (152)

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