Results 161 to 170 of about 17,476 (194)
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Toxicology and Applied Pharmacology, 1977
Abstract This report describes the distribution of inhaled lead in the rat. Animals were exposed for a short period to an aerosol which qualitatively and quantitatively simulates urban atmosphere. Exposure is followed by a solubilization of lead particles that agrees with the results reported after inhalation of soluble particles of lead.
C, Boudene, D, Malet, R, Masse
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Abstract This report describes the distribution of inhaled lead in the rat. Animals were exposed for a short period to an aerosol which qualitatively and quantitatively simulates urban atmosphere. Exposure is followed by a solubilization of lead particles that agrees with the results reported after inhalation of soluble particles of lead.
C, Boudene, D, Malet, R, Masse
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210Pb/226Ra and 210Po/210Pb disequilibria in seawater and suspended particulate matter
Earth and Planetary Science Letters, 1976Abstract The distribution of 210 Po and 210 Po in dissolved ( 0.4 μm) phases has been measured at ten stations in the tropical and eastern North Atlantic and at two stations in the Pacific. Both radionuclides occur principally in the dissolved phase.
M.P. Bacon, D.W. Spencer, P.G. Brewer
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210Pb targets for nuclear spectroscopy
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1987Abstract The preparation of metallic 210Pb targets by vacuum evaporation condensation is described. Lead-210, which is highly radioactive, is available as nitrate in 3M HNO3. Solid Pb(NO3)2 is extracted from this solution and subjected to a reductive evaporation procedure. A special-shaped evaporation crucible yields a collection efficiency of 2.8 mg/
H.J. Maier, R. Grossmann
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Zeitschrift für Physik A Hadrons and Nuclei, 1997
High spin states in nuclei in the 208Pb region were populated in deep inelastic collisions of 136Xe and 208Pb projectiles with thick 208Pb targets at about 50 MeV above the Coulomb barrier. Prompt and prompt-delayed γ-ray coincidences were measured. Four new states above the 8+ isomer in 210Pb were found and spins and parities assigned from theoretical
M. Rejmund +19 more
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High spin states in nuclei in the 208Pb region were populated in deep inelastic collisions of 136Xe and 208Pb projectiles with thick 208Pb targets at about 50 MeV above the Coulomb barrier. Prompt and prompt-delayed γ-ray coincidences were measured. Four new states above the 8+ isomer in 210Pb were found and spins and parities assigned from theoretical
M. Rejmund +19 more
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Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1987
Abstract After an ion-exchange separation of 210 Pb from its daughters 210 Bi and 210 Po, a 210 Pb target has been electrodeposited on a carbon film. We describe the different steps of the target preparation, keeping in mind that 210 Pb is a highly radioactive isotope and that consequently the techniques must be efficient.
Meens, A., Cailleret, J.
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Abstract After an ion-exchange separation of 210 Pb from its daughters 210 Bi and 210 Po, a 210 Pb target has been electrodeposited on a carbon film. We describe the different steps of the target preparation, keeping in mind that 210 Pb is a highly radioactive isotope and that consequently the techniques must be efficient.
Meens, A., Cailleret, J.
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210Pb in Forage Consumed by Dairy Cows
Bulletin of Environmental Contamination and Toxicology, 2009The aim of this research was to determine (210)Pb concentrations in forage from farms located in the municipalities of Pedra and Venturosa, in the Brazilian state of Pernambuco, where rolled blocks of mafic rock with a high percentage of U(3)O(8) were found.
C M, Silva +7 more
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210Po AND 210Pb ACTIVITY IN CHINESE CIGARETTES
Health Physics, 2009The radon decay products lead-210 ((210)Pb) and polonium-210 ((210)Po) are known components of tobacco. China is the world's largest producer and consumer of cigarettes, yet no comprehensive published reports of the (210)Pb and (210)Po activity concentrations in Chinese cigarettes are available.
Stephen, Schayer +4 more
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Retention of 210Pb in Beagle Dogs
Health Physics, 1973Abstract Four adult beagle dogs were injected intravenously with 11 to 26 μCi of 210Pb cleared of 210Po. The retention of 210Pb was followed by in vivo gamma-ray counting and by the collection and analysis of excreta. The effective half lives for the slowest time constant component of a four-term exponential sum retention equation was 815 days based ...
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210Pb Fluxes in Acidified Lakes
1986The acidification of softwater lakes by atmospheric deposition of strong acids has occurred in several regions of the world; however, the rate of acidification of freshwater systems is generally unknown. We have tested the hypothesis that the 210Pb technique can be used to establish the chronologies of sediments in acidified lakes, with the purpose of ...
P. J. Dillon, P. J. Scholer, H. E. Evans
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Determination of 210Pb in environmental samples
Journal of Radioanalytical and Nuclear Chemistry, 2006Measurement of 210Pb has gained a highly scientific attention due to its wide range of environmental applications. The most commonly used analytical techniques: gamma-spectrometry, beta-counting and alpha-spectrometry were used to measure environmental samples (geological, soil, sediment). Our paper is aiming at comparing the capabilities and limits of
Y. Y. Ebaid, A. E. M. Khater
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