Zeitschriftenartikel (4833)

4641.
Zeitschriftenartikel
Mak, J. E.; Brenninkmeijer, C. A. M.; Southon, J. R.: Direct measurement of the production rate of 14C near Earth's surface. Geophysical Research Letters 26, S. 3381 - 3384 (1999)
4642.
Zeitschriftenartikel
Martinez, M.; Arnold, T.; Perner, D.: The role of bromine and chlorine chemistry for arctic ozone depletion events in Ny-Alesund and comparison with model calculations. Annual Geophysicae 17, S. 941 - 956 (1999)
4643.
Zeitschriftenartikel
Marufu, L.; Ludwig, J.; Andreae, M. O.; Lelieveld, J.; Helas, G.: Spatial and temporal variation in biofuel consumption rates and patterns in Zimbabwe: Implications for atmospheric trace gas emission. Biomass and Bioenergy 16, S. 311 - 332 (1999)
4644.
Zeitschriftenartikel
Mazumdar, A.; Baneerjee, D. M.; Schidlowski, M.; Balaram, V.: Rare-earth elements and stable isotope geochemistry of early Cambrian chert-phosphorite assemblages from the Lower Tal Formation of the Krol Belt (Lesser Himalaya, India). Chemical Geology 156, S. 275 - 297 (1999)
4645.
Zeitschriftenartikel
McSween Jr., H. Y.; Murchie, S. L.; Crisp, J. A.; Bridges, N. T.; Anderson, R. C.; Bell III, J. F.; Britt, D. T.; Brückner, J.; Dreibus, G.; Economou, T. et al.; Ghosh, A.; Golombek, M. P.; Greenwood, J. P.; Johnson, J. R.; Moore, H. J.; Morris, R. V.; Parker, T. J.; Rieder, R.; Singer, R.; Wänke, H.: Chemical, multispectral, and textural constraints on the composition and origin of rocks at the Mars Pathfinder landing site. Journal of Geophysical Research 104, S. 8679 - 8715 (1999)
4646.
Zeitschriftenartikel
Meilinger, S. K.; Tsias, A.; Dreiling, V.; Kuhn, M.; Feigl, C.; Ziereis, H.; Schlager, H.; Curtius, J.; Sierau, B.; Arnold, F. et al.; Zöger, M.; Schiller, C.; Peter, T.: HNO3 Partitioning in Cirrus Clouds. Geophysical Research Letters 26, S. 2207 - 2210 (1999)
4647.
Zeitschriftenartikel
Merchel, S.; Herpers, U.: An update on radiochemical separation techniques for the determination of long-lived radionuclides via accelerator mass spectrometry. Radiochimica Acta 84, S. 215 - 219 (1999)
4648.
Zeitschriftenartikel
Mezger, K.; Cosca, M. A.: The thermal history of the Eastern Ghats Belt (India) as revealed by U-Pb and 40Ar/39Ar dating of metamorphic and magmatic minerals: implications for the SWEAT correlation. Precambrian Research 94, S. 251 - 271 (1999)
4649.
Zeitschriftenartikel
Müller, R.; Grooß, J.-U.; McKenna, D. S.; Crutzen, P. J.; Brühl, C.; Russel III, J. M.; Gordley, L. L.; Burrows, J. P.; Tuck, A. F.: Chemical ozone loss in the Arctic vortex in the winter 1995-96: HALOE measurements in conjunction with other observations. Annual Geophysicae 17, S. 101 - 114 (1999)
4650.
Zeitschriftenartikel
Neeb, P.; Moortgat, G. K.: Formation of OH radicals in their gas phase reaction of propene, isobutene and isoprene with O3: yields and mechanistic implications. Journal of Physical Chemistry 103, S. 9003 - 9012 (1999)
4651.
Zeitschriftenartikel
Ott, U.: Laboratory studies of grains from outside the solar system: A new kind of astronomy. Science Progress 82, S. 49 - 67 (1999)
4652.
Zeitschriftenartikel
Otter, L. B.; Lang, W. X.; Scholes, M. C.; Meixner, F. X.: Nitric oxide emissions from a Southern African savanna. Journal of Geophysical Research 104, S. 18471 - 18485 (1999)
4653.
Zeitschriftenartikel
Perner, D.; Arnold, T.; Crowley, J.; Klüpfel, T.; Martinez, M.; Seuwen, R.: The measurement of active chlorine in the atmosphere by chemical amplification. Journal of Atmospheric Chemistry 34, S. 9 - 20 (1999)
4654.
Zeitschriftenartikel
Pfänder, J. A.; Jochum, K. P.; Sassen, A.; Stoll, B.; Maissenbacher, P.; Murmann, M.: Determination of Y, Zr and ultra-low Nb concentrations in geological material by multi-ion counting spark-source mass spectrometry (MIC-SSMS). Fresenius Journal of Analytical Chemistry 364, S. 376 - 380 (1999)
4655.
Zeitschriftenartikel
Pidgeon, R.; Nasdala, L.; Todt, W.: Determination of radiation damage ages on parts of zircon grains by Raman microprobe: implications for annealing history and U-Pb stability. Mineralogical Magazine 62A, S. 1174 - 1176 (1999)
4656.
Zeitschriftenartikel
Platt, U.; Moortgat, G. K.: Heterogeneous and homogeneous chemistry of reactive halogen compounds in the lower troposphere. Journal of Atmospheric Chemistry 34, S. 1 - 8 (1999)
4657.
Zeitschriftenartikel
Puchtel, I. S.; Brügmann, G. E.; Hofmann, A. W.: Precise Re-Os mineral isochron and Pb-Nd-Os isotope systematics of a mafic-ultramafic sill in the 2.0 Ga Onega plateau (Baltic Shield). Earth and Planetary Science Letters 170, S. 447 - 461 (1999)
4658.
Zeitschriftenartikel
Puchtel, I. S.; Hofmann, A. W.; Amelin, Y. V.; Garbe-Schönberg, C.-D.; Samsonov, A. V.; Shchipansky, A. A.: Combined mantle plume-island arc model for the formation of the 2.9 Ga Sumozero-Kenozero greenstone belt, SE Baltic Shield: Isotope and trace element constraints. Geochimica et Cosmochimica Acta 63, S. 3579 - 3595 (1999)
4659.
Zeitschriftenartikel
Rausch, A.; Ebert, M.; Gorzawski, G.; Weinbruch, S.; Hoffmann, P.; Helas, G.: High-resolution scanning electron microscopy of individual aerosol particles obtained during LACE 98. Journal of Aerosol Science 30S, S. 515 - 516 (1999)
4660.
Zeitschriftenartikel
Rehkämper, M.; Halliday, A. N.; Alt, J.; Fitton, J. G.; Zipfel, J.; Takazawa, E.: Non chondritic platinum group element ratios in oceanic mantle lithosphere: Petrogenic signature of melt percolation? Earth and Planetary Science Letters 172, S. 65 - 81 (1999)
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