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  • Digitale Medien  (8)
  • 2000-2004  (8)
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Materialart
  • Digitale Medien  (8)
Erscheinungszeitraum
Jahr
  • 1
    Digitale Medien
    Digitale Medien
    A Probabilistic Method for Estimating Monitoring Point Density for Containment System Leak Detection (2000)
    Oxford, UK : Blackwell Publishing Ltd
    Ground water 38 (2000), S. 0 
    Details
    ISSN: 1745-6584
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik , Geologie und Paläontologie
    Notizen: The use of physical and hydraulic containment systems for the isolation of contaminated ground water and aquifer materials associated with hazardous waste sites has increased during the last decade. The existing methodologies for monitoring and evaluating leakage from hazardous waste containment systems rely primarily on limited hydraulic head data. The number of hydraulic head monitoring points available at most sites employing physical containment systems may be insufficient to identify significant leaks from the systems. A probabilistic approach for evaluating the performance of containment systems, based on estimations of apparent leakage rates, is used to introduce a methodology for determining the minimum number of monitoring points necessary to identify the hydraulic signature of leakage from a containment system. The probabilistic method is based on the principles of geometric probability. The method is demonstrated using three-dimensional ground water flow modeling results of leakage through a vertical barrier. The results indicate that the monitoring point spacing used at many hazardous waste sites likely is inadequate to detect the hydraulic signatures of all but the largest leaks.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1745-6584.2000.tb00246.x
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  • 2
    Digitale Medien
    Digitale Medien
    QUALITATIVE RESEARCH IN FAMILY THERAPY: A SUBSTANTIVE AND METHODOLOGICAL REVIEW (2001)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of marital and family therapy 27 (2001), S. 0 
    Details
    ISSN: 1752-0606
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Psychologie
    Notizen: Over the last decade, marriage and family therapy (MFT) researchers have developed a growing interest in qualitative research. In this article, we review substantive and methodological trends in the published qualitative studies within the MFT field. The research is compared and contrasted in the following areas: General topic, epistemological theory, methodological theory, sampling and sample, data collection, data analysis procedure, and approach to reliability and validity. We also provide recommendations for future research.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1752-0606.2001.tb01162.x
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  • 3
    Digitale Medien
    Digitale Medien
    Using allometry with fish size to estimate production to biomass (P/B) ratios of salmonid populations (2002)
    Oxford, UK : Munksgaard International Publishers
    Ecology of freshwater fish 11 (2002), S. 0 
    Details
    ISSN: 1600-0633
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Biologie , Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: Abstract – The ratio of annual production rate to average biomass (P/B) is sometimes used as a shortcut method of estimating production if biomass is known. P/B ratios vary among salmonid populations in different areas depending on the species, fish size and growing conditions. The hypothesis that annual P/B ratios for salmonid populations can be predicted from the allometric equation: P/B = a W−0.35 was investigated in this study. The allometric coefficient (−0.35) was obtained from the literature, and W was the average weight (g) of fish in the population. Plots of P/B versus fish weight for three species of salmonids, Salvelinus fontinalis, Salmo trutta and Salmo salar, showed a declining trend, with a slope consistent with the hypothesis. The coefficient a of the allometric equation was species and habitat dependent. The efficacy of using the allometric formula to estimate the P/B ratio of specific salmonid populations is examined.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1034/j.1600-0633.2002.00012.x
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  • 4
    Digitale Medien
    Digitale Medien
    HISTORICAL OBSERVATIONS OF HUMPBACK AND BLUE WHALES IN THE NORTH ATLANTIC OCEAN: CLUES TO MIGRATORY ROUTES AND POSSIBLY ADDITIONAL FEEDING GROUNDS (2004)
    Oxford, UK : Blackwell Publishing Ltd
    Marine mammal science 20 (2004), S. 0 
    Details
    ISSN: 1748-7692
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Biologie
    Notizen: The seasonal distributions of humpback and blue whales (Megaptera novaeangliae and Balaenoptera musculus, respectively) in the North Atlantic Ocean are not fully understood. Although humpbacks have been studied intensively in nearshore or coastal feeding and breeding areas, their migratory movements between these areas have been largely inferred. Blue whales have only been studied intensively along the north shore of the Gulf of St. Lawrence, and their seasonal occurrence and movements elsewhere in the North Atlantic are poorly known. We investigated the historical seasonal distributions of these two species using sighting and catch data extracted from American 18th and 19th century whaling logbooks. These data suggest that humpback whales migrated seasonally from low-latitude calving/ breeding grounds over a protracted period, and that some of them traveled far offshore rather than following coastal routes. Also, at least some humpbacks apparently fed early in the summer west of the Mid-Atlantic Ridge, well south of their known present-day feeding grounds. In assessing the present status of the North Atlantic humpback population, it will be important to determine whether such offshore feeding does in fact occur. Blue whales were present across the southern half of the North Atlantic during the autumn and winter months, and farther north in spring and summer, but we had too few data points to support inferences about these whales' migratory timing and routes.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1748-7692.2004.tb01192.x
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  • 5
    Digitale Medien
    Digitale Medien
    Loss of BBS proteins causes anosmia in humans and defects in olfactory cilia structure and function in the mouse (2004)
    [s.l.] : Nature Publishing Group
    Nature genetics 36 (2004), S. 994-998 
    Details
    ISSN: 1546-1718
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Medizin
    Notizen: [Auszug] Defects in cilia are associated with several human disorders, including Kartagener syndrome, polycystic kidney disease, nephronophthisis and hydrocephalus. We proposed that the pleiotropic phenotype of Bardet-Biedl syndrome (BBS), which encompasses retinal degeneration, truncal obesity, renal and ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/ng1418
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  • 6
    Digitale Medien
    Digitale Medien
    Cloned mice have an obese phenotype not transmitted to their offspring (2002)
    [s.l.] : Nature Publishing Group
    Nature medicine 8 (2002), S. 262-267 
    Details
    ISSN: 1546-170X
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Medizin
    Notizen: [Auszug] Mammalian cloning using somatic cells has been accomplished successfully in several species, and its potential basic, clinical and therapeutic applications are being pursued on many fronts. Determining the long-term effects of cloning on offspring is crucial for consideration of future application ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/nm0302-262
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  • 7
    Digitale Medien
    Digitale Medien
    Anatomy of a Murder: Telemetric Footprints (2002)
    Oxford, UK : Blackwell Futura Publishing, Inc.
    Pacing and clinical electrophysiology 25 (2002), S. 0 
    Details
    ISSN: 1540-8159
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Notizen: MOND, H.G., et al.: Anatomy of a Murder: Telemetric Footprints. A man with complete heart block received a Pacesetter Affinity pacemaker, programmed DDD. Two months later, the patient was beaten to death and the coroner requested telemetric information. Pacemaker stored Event Records for the previous 40 hours were retrieved and using the zoom scale, the events leading to death were examined. This included sinus tracking during the beating followed by atrial and ventricular pacing interpreted as an unconscious vagal response associated with profound blood loss. Then followed a chaotic rapid ventricular activity or terminal ventricular fibrillation. The telemetric footprints provided valuable time stamps on the events preceding the victim's death.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1046/j.1460-9592.2002.01406.x
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  • 8
    Digitale Medien
    Digitale Medien
    Client Experience of Gender in Therapeutic Relationships: An Interpretive Ethnography (2001)
    Oxford, UK : Blackwell Publishing Ltd
    Family process 40 (2001), S. 0 
    Details
    ISSN: 1545-5300
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Psychologie
    Notizen: The purpose of this study was to explore clients' experiences of gender in therapeutic relationships in order to inform therapists of critical issues from clients' perspectives. To capture clients' views, the researchers chose an interpretive ethnographic design that used unstructured, collaborative interviews with clients who had worked with both female and male therapists. The interviews were analyzed using procedures developed by Kvale (1996), who emphasizes the importance of including the client's voice in data gathering, analysis, and final presentation. The results were reviewed with the clients to insure accurate presentation of their views. The final results were organized into six themes: client-therapist connection, male therapists, female therapists, topics discussed, effectiveness, and confounding factors. Researchers discuss the implications of gender-stereotyped behavior in therapy, the relationship between therapist gender and therapeutic alliance, and recommendations for practicing gender-sensitive therapy.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1545-5300.2001.4040100443.x
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