102,476 research outputs found

    Neutron/Gamma Mixed Spectrum Radiolysis-based Aqueous Dosimetry

    No full text
    This work develops a method to use an aqueous dosimeter in a mixed radiation field to determine separate measurements of neutron and gamma dose. Based on radiolysis of both Fricke and Methyl Viologen (MV) solutions, activation analysis and reactor simulation are combined to determine neutron dose and neutron radiolysis. This is subtracted from the total measured radiolysis to infer a gamma dose. The Fricke dosimeter was able to give repeatable results for the neutron and gamma doses over a number of days for a variety of shielding configurations. Impurities in the MV dosimeter prevented it from providing repeatable results, but qualitative comparison to the Fricke dosimeter indicated that it could be a viable approach. The method found that the reactor simulation, using MCNP5, can be used for accurate neutron simulations but does not account for all the source terms for gamma dose simulation. A neutron G-value for the Fricke dosimeter was developed by combining proton radiolysis simulations with results from MCNP5 and NJOY

    Fricke, T.

    No full text

    Task, Data and Analysis accompanying the article: The effects of hydrocortisone and yohimbine on human behavior in approach-avoidance conflicts [Fricke et al., 2023]

    No full text
    Data and Analysis accompanying the article: Fricke, K., Alexander, N., Jacobsen, T. et al. The effects of hydrocortisone and yohimbine on human behavior in approach-avoidance conflicts. Psychopharmacology (2023). https://doi.org/10.1007/s00213-023-06396-

    Task, Data and Analysis accompanying the article: The effects of hydrocortisone and yohimbine on human behavior in approach-avoidance conflicts [Fricke et al., 2023]

    No full text
    Data and Analysis accompanying the article: Fricke, K., Alexander, N., Jacobsen, T. et al. The effects of hydrocortisone and yohimbine on human behavior in approach-avoidance conflicts. Psychopharmacology (2023). https://doi.org/10.1007/s00213-023-06396-

    Task, Data and Analysis accompanying the article: The effects of hydrocortisone and yohimbine on human behavior in approach-avoidance conflicts [Fricke et al., 2023]

    No full text
    Data and Analysis accompanying the article: Fricke, K., Alexander, N., Jacobsen, T. et al. The effects of hydrocortisone and yohimbine on human behavior in approach-avoidance conflicts. Psychopharmacology (2023). https://doi.org/10.1007/s00213-023-06396-

    „Auch Mütter treiben ab“. Wer abtreibt, macht sich strafbar, findet kaum einen Arzt und wird stigmatisiert. Das muss sich ändern, sagen Prof. Dr. Barbara Thiessen und Thoralf Fricke im Interview

    No full text
    Thiessen B, Fricke T. „Auch Mütter treiben ab“. Wer abtreibt, macht sich strafbar, findet kaum einen Arzt und wird stigmatisiert. Das muss sich ändern, sagen Prof. Dr. Barbara Thiessen und Thoralf Fricke im Interview. Landshuter Zeitung. 24.04.2021

    Ostichthys spiniger Fricke 2017

    No full text
    Ostichthys spiniger Fricke 2017 —Western Pacific spiny soldierfish Status at New Ireland. Reported from New Ireland in original description by Fricke (2017d: 2). NTUM 11245 (holotype, Kavieng District). Distribution and habitat. New Ireland: 2.—General distribution: Philippines. 180–181 m depth. Marine.Published as part of Andréfouët, Serge, Chen, Wei-Jen, Kinch, Jeff, Mana, Ralph, Russell, Barry C., Tully, Dean & White, William T., 2019, Checklist of the marine and estuarine fishes of New Ireland Province, Papua New Guinea, western Pacific Ocean, with 810 new records, pp. 1-360 in Zootaxa 4588 (1) on page 84, DOI: 10.11646/zootaxa.4588.1.1, http://zenodo.org/record/298816

    Synchiropus orstom Fricke 2000

    No full text
    Synchiropus orstom Fricke 2000 —Orstom dragonet (Fig. 127) Status at New Ireland. New record, based on NTUM 11101 (1 male, 58.0 mm SL, St. CP 4422-20, northeast of New Hanover). Distribution and habitat. New Ireland: 1.—General distribution: Papua New Guinea; Norfolk Ridge, New Caledonia. Found on soft bottom, 370–496 m depth. Marine. Remarks. This species was originally described from seamounts on the Norfolk Ridge, New Caledonia by Fricke (2000: 33); it was recently recorded from Sandaun and West Sepik provinces, Papua New Guinea by Fricke (2015: 5). This is the first record from New Ireland Province, which suggests that the species is more widespread in the region.Published as part of Andréfouët, Serge, Chen, Wei-Jen, Kinch, Jeff, Mana, Ralph, Russell, Barry C., Tully, Dean & White, William T., 2019, Checklist of the marine and estuarine fishes of New Ireland Province, Papua New Guinea, western Pacific Ocean, with 810 new records, pp. 1-360 in Zootaxa 4588 (1) on page 266, DOI: 10.11646/zootaxa.4588.1.1, http://zenodo.org/record/298816

    Raja mauritaniensis: a replacement name for Raja africana Capapé, 1977 (Rajiformes: Rajidae), a junior homonym of Raja africana Bloch & Schneider, 1801 (Myliobatiformes: Dasyatidae)

    No full text
    White, William T., Fricke, Ronald (2021): Raja mauritaniensis: a replacement name for Raja africana Capapé, 1977 (Rajiformes: Rajidae), a junior homonym of Raja africana Bloch & Schneider, 1801 (Myliobatiformes: Dasyatidae). Zootaxa 4970 (2): 399-400, DOI: https://doi.org/10.11646/zootaxa.4970.2.1
    corecore