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  • Astrophysics
  • United States
  • 1985-1989  (669)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of risk and uncertainty 2 (1989), S. 335-351 
    ISSN: 1573-0476
    Keywords: aeronautics-commercial ; safety ; United States ; employees ; perceptions
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract In a large cross-sectional sample, commercial airline pilots in the United States were asked for their perceptions of job safety hazards. Regression techniques are employed to investigate the relationship between these perceptions and both the length of tenure of pilots and their specific employer within the industry. The latter is found to have a far more significant impact on risk perception. No evidence is found for a learning curve of job risk with respect to experience. Pilots' assessments of inadequacies in training and aircraft maintenance are found to be significantly related to the financial health of their employer.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Environmental management 9 (1985), S. 161-172 
    ISSN: 1432-1009
    Keywords: Environment ; Beliefs ; Values ; Paradigms ; Culture ; Attitudes ; Social change ; Political change ; United States
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract The beliefs of Americans about the proper relationship between humans and their environment were profoundly affected by waves of immigration from Europe. Immigrants valued ownership of land, individuality, freedom, domination of nature, and technological development. These themes remain strong today as centerpieces of the American dominant social paradigm (DSP). That DSP has been reexamined and found wanting by an increasing proportion of Americans. This departure from the old DSP has progressed further among the public than among the elite who have a greater stake in preserving the status quo. Environmentalists constitute a vanguard trying to lead the people to a new, more environmentally oriented social paradigm. The beliefs of the old DSP and the new environmental paradigm (NEP) are contrasted in Table 2. Briefly, the NEP advocates stress love of nature rather than domination of it; compassion for other peoples, future generations, and other species; planning to avoid risk; limits to growth; fundamental social change; and a new structuring of politics. These two worldviews are likely to be in vigorous conflict for several decades in the USA. Social learning, spurred by deterioration of the old ways, is likely to lead Americans to a new perspective on their relationship to nature.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Mycopathologia 98 (1987), S. 35-40 
    ISSN: 1573-0832
    Keywords: dermatophytes ; survey ; United States ; humans ; 1982/84
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract A survey of dermatophytes isolated from patients seeking medical advice was made from 1982 to 1984 in the United States. The survey included 59 locations with data from 49 cities and one state. Listing of the isolated dermatophytes and the frequency given by percentage of total follows: Trichophyton rubrum 46.8%, T. tonsurans 33.3%, T. mentagrophytes 10.1%, Microsporum canis 4.5%, Epidermophyton floccosum 3,5%, M. gypseum and T. verrucosum both 0.7%, M. audouinii and T. terrestre both 0.1%, and T. violaceum 0.06%. No isolations of M. ferrugineum or T. schoenleinii were reported. Temporal increases were observed for frequencies of T. mentagrophytes, T. tonsurans and M. canis, and decreases occurred for frequencies of E. floccosum and T. rubrum when the data from this survey were compared by the goodness of fit test to data of the 1979 to 1981 survey. The percent of dermatophyte isolations identified as T. tonsurans correlated significantly with the percentage of blacks in cities of 100000 or more people.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1573-8248
    Keywords: parasitoid,Campoletis sonorensis ; Ichneumonidae ; Spodoptera frugiperda ; Noctuidae temperature response ; density response ; United States ; Host stage preference
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Description / Table of Contents: Résumé Le potentiel du parasiteCampoletis sonorensis comme agent de limitation des populations deSpodoptera frugiperda (FAW) a été évalué face à six densités d'hôtes et à deux températures distinctes. Une réponse fonctionnelle de type II a été observée aux deux températures chez la femelle deC. sonorensis en réponse aux différentes densités de la larve de Noctuelle. Aux densités de 60 et 75, un plus grand nombre de larves a été parasité à 25°C qu'à 30°C. On a découvert que le troisième stade larvaire était choisi de préférence parC. sonorensis pour pondre.
    Notes: Abstract The response of the parasitoidCampoletis sonorensis (Cameron) as a natural control agent of the fall armyworm,Spodoptera frugiperda (J. E. Smith), was evaluated at 6 host densities and 2 temperature regime. A type-II functional response was exhibited by femaleC. sonorensis in response to varying densities of all armyworn larvae at both temperatures. Significantly more larvae were parasitized at 25°C for the host densities of 60 and 75, than for the same densities at 30°C. Third instar fall armyworm larvae were found to be the preferred stage for parasitization byC. sonorensis.
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  • 5
    ISSN: 1573-8248
    Keywords: Mosquitoes ; Culicidae ; Flatworms ; Mesostoma spp. ; predation ; United States
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Description / Table of Contents: Résumé Les observations accumulées indiquent que les larves des Plathelminthes mesostomides sont des prédateurs efficaces des larves de moustiques. Cette note présente les premières mentions de 3Mesostoma Ehrenberg incluant 2 prédateurs de moustiques.Mesostoma californicum Hyman,Mesostoma vernale Hyman, etMesostoma sp. cf.lingua Abildgaard furent découverts dans une mare temporaire du Massachusetts.M. californicum etM. sp. cf.lingua ont été reconnus comme des prédateurs efficaces des larves de moustiques.
    Notes: Abstract The accumulated data indicate that mesostomid flatworms are efficient predators of mosquito larvae. This paper presents the 1st published records for 3Mesostoma Ehrenberg, including 2 predators of mosquitoes.Mesostoma californicum Hyman,Mesostoma vernale Hyman, andMesostoma sp. cf.lingua Abildgaard were discovered in a temporary pool in Massachusetts.M. californicum andM. sp. cf.lingua were found to be efficient predators on mosquitoe larvae.
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  • 6
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1988-05-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Oliver, J H Jr -- New York, N.Y. -- Science. 1988 May 20;240(4855):967.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3368789" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Arthropod Vectors ; Government Agencies ; Humans ; *Research Support as Topic ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1988-10-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Relman, A S -- New York, N.Y. -- Science. 1988 Oct 21;242(4877):348.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3175655" target="_blank"〉PubMed〈/a〉
    Keywords: Periodicals as Topic ; *Publishing ; Research/*standards ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 8
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1988-05-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, L -- New York, N.Y. -- Science. 1988 May 13;240(4854):878-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3363368" target="_blank"〉PubMed〈/a〉
    Keywords: *Administrative Personnel ; *Base Sequence ; *Chromosomes, Human ; *Genes ; Humans ; National Institutes of Health (U.S.)/*organization & administration ; Research Support as Topic/economics/legislation & jurisprudence ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1988-02-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, L -- New York, N.Y. -- Science. 1988 Feb 12;239(4841 Pt 1):725-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3340854" target="_blank"〉PubMed〈/a〉
    Keywords: *Base Sequence ; *Chromosome Mapping ; *Chromosomes, Human ; Government Agencies ; Humans ; Societies, Scientific ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
    Publication Date: 1988-02-12
    Description: Recent reports of stratospheric ozone depletion have prompted concerns about the levels of solar ultraviolet radiation that reach the earth's surface. Since 1974 a network of ground-level monitoring stations in the United States has tracked measurements of biologically effective ultraviolet radiation (UVB, 290 to 330 nanometers). The fact that no increases of UVB have been detected at ground levels from 1974 to 1985 suggests that meteorological, climatic, and environmental factors in the troposphere may play a greater role in attenuating UVB radiation than was previously suspected.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Scotto, J -- Cotton, G -- Urbach, F -- Berger, D -- Fears, T -- New York, N.Y. -- Science. 1988 Feb 12;239(4841 Pt 1):762-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biostatistics Branch, National Cancer Institute, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3340857" target="_blank"〉PubMed〈/a〉
    Keywords: Humans ; Melanoma/etiology ; Meteorological Concepts ; Neoplasms, Radiation-Induced/etiology ; Skin Neoplasms/etiology ; *Sunlight/adverse effects ; *Ultraviolet Rays ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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