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  • Articles  (50)
  • Articles: DFG German National Licenses  (35)
  • Latest Papers from Table of Contents or Articles in Press  (15)
  • Macmillian Magazines Ltd.  (20)
  • American Geophysical Union  (15)
  • Blackwell Publishing Ltd  (15)
  • Arctic Institute of North America
  • 2000-2004  (37)
  • 1985-1989
  • 1980-1984
  • 1975-1979  (13)
  • 1950-1954
  • 1935-1939
  • 2002  (37)
  • 1975  (13)
  • Natural Sciences in General  (22)
  • Geosciences  (17)
  • Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition  (7)
  • Architecture, Civil Engineering, Surveying  (4)
  • Mathematics
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  • Articles  (50)
Source
  • Articles: DFG German National Licenses  (35)
  • Latest Papers from Table of Contents or Articles in Press  (15)
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  • 2000-2004  (37)
  • 1985-1989
  • 1980-1984
  • 1975-1979  (13)
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  • 1
    Electronic Resource
    Electronic Resource
    Thermal Inactivation of Salmonella Senftenberg and Listeria innocua in Beef/Turkey Blended Patties Cooked via Fryer and/or Air Convection Oven (2002)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 67 (2002), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: : Beef/turkey blended patties, containing 107 to 108 cfu/g of Salmonella Senftenberg or Listeria innocua, were battered and breaded. The effect of frying (177 °C) and air convection cooking (288 °C) on thermal inactivation of S. Senftenberg and L. innocua was evaluated. A model was obtained to correlate product internal temperature with frying and oven cooking time. Cooking method significantly affected thermal history and subsequently the thermal inactivation of S. Senftenberg and L. innocua. The effect of frying time interacted with oven cooking time. Increasing frying time reduced the oven cooking time. Mathematical models were developed to correlate the survival rate of S. Senftenberg or L. innocua with frying and oven cooking time.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.2002.tb08740.x
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  • 2
    Electronic Resource
    Electronic Resource
    CREATING MEANINGFUL STAKEHOLDER INVOLVEMENT IN WATERSHED PLANNING IN PIERCE COUNTY, WASHINGTON (2002)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 38 (2002), S. 0 
    Details
    ISSN: 1752-1688
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Notes: : Since 1989, the government of Pierce County, Washington, has prepared four watershed action plans. The watersheds cover almost 800,000 acres and include about 600,000 residents and diverse land uses, from the city of Tacoma to Mount Rainier National Park. The primary purpose of these plans was to address water quality impacts from nonpoint sources of pollution and to protect beneficial uses of water. Pierce County has experienced problems such as shellfish bed closures and the Federal Clean Water Act Section 303(d) listing of local water bodies as a result of declining water quality. Pierce County achieved improvements by engaging diverse groups of stakeholders in generating solutions to nonpoint sources of water pollution through our watershed planning process. Using participatory methods borrowed from private industry, Pierce County was able to reach consensus, build trust, maximize participation, facilitate learning, encourage creativity, develop partnerships, shorten time frames for the planning processes, and increase the level of commitment participants had to implementing the plans. As a result, the earliest plans have a high rate of voluntary implementation. This indicates that the process and methodology used to develop watershed plans has a significant, if not critical, impact on their success.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1752-1688.2002.tb05539.x
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  • 3
    Electronic Resource
    Electronic Resource
    Control of weeds with UHF electromagnetic fields (1975)
    Oxford, UK : Blackwell Publishing Ltd
    Weed research 15 (1975), S. 0 
    Details
    ISSN: 1365-3180
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Ultra-high frequency (UHF) etectromagnetic energy (2450±20 MHz) was applied for the pre-emergent and post-emergent control of weeds. Pre-emergent tests in the field indicated that energy levels above 70 J/cm2 were required for consistent control. There was no consistent selectivity between broad-leaved weeds and grasses when pre-emergent applications were made. Post-emergent tests indicated that broadleaved weeds were more susceptible than grasses to the UHF energy. Established plants were more susceptible than were seedings of the same species.Lutte contre les mauvaises herbes avec des champs magnétiques a ultra hautes fréquencesUne énergie électromagnétique à ultra haute fréquence (UHF) (2450±20 MhZ.) a été utilisée pour la lutte contre les mauvaises herbcs en pre et en post levee. Des essais au champ en prélevée out montré que des niveaux d'énergie supérieurs à 70 joules:cm2étaient nécessaires pour obtenir des résultats satisfaisants. II n'a pas été constaté de sélectivité entre plantes à feuilles larges et graminées vis-à-vis des traitements en prélevée, Les essais en posilevée onl montré que les mauvaises herbes à feuilles larges étaient plus sensibles que les graminées. à I'énergie UHF. Les plantes établies se sont révelées plus sensibles que les plantules des mêmes espéces.Unkrautbekämpfung mit elektromagnetischen UHF-FeldernElektromagnetische Energie im Bereich der Ultrahochfrequenzen (UHF; 2450±20 MHz) wurde zur Unkrautbekämpfung im Vor- und Nachauflaufverfahren eingeseizt. Feldversuche im Vorauflauf zeigten, dass für eine brauchbare Bekämpfung, Energien von über 70 joules/cm2 nötig waren. Die Anwendung im Vorauflauf war zwischen dikotylen Unkräutern und Gräsern nicht selektiv. Versuche im Nachauflaufverfahren zeigten, dass dikotyle Unkräuter gegenüber der UHF-Energie empfindlicher waren als die Gräser. Von der gleichen Species waren grössere Pflanzen jeweils empfindlicher als die Keimpflanzen.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3180.1975.tb01088.x
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  • 4
    Electronic Resource
    Electronic Resource
    Validation of a Time-Resolved Fluoroimmunoassay for Measuring Plasma Cortisol in Channel Catfish Ictalurus punctatus (2002)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the World Aquaculture Society 33 (2002), S. 0 
    Details
    ISSN: 1749-7345
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract.— A time-resolved fluoroimmunoassay (TR-FIA) marketed for measuring cortisol in human sera was evaluated and validated for use in the quantification of plasma cortisol concentrations of channel catfish Ictalurus punctatus. Time-resolved fluoroim-munoassays provide non-isotopic alternatives to the use of radioimmunoassays (RIA). The evaluated TR-FIA satisfied strict criteria of precision (intra-assay coefficients of variation (CV) 〈 7%) and reproducibility (inter-assay CV ≤ 9%). Accuracy of the TR-FIA, calculated as the percent of exogenous cortisol recovered from spiked catfish plasma, averaged 99.5%. Assay sensitivity (minimum detection limit) in catfish plasma was 1.2 ng/mL, and the displacement curve for serially diluted channel catfish plasma paralleled the cortisol standard curve. Plasma cortisol concentrations of channel catfish in the presence and absence of a confinement stressor were used to characterize the im-munoreactive cortisol measurable by TR-FIA, and compared favorably to RIA values for the same samples (r2= 0.95, P 〈 0.001).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-7345.2002.tb00493.x
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  • 5
    Electronic Resource
    Electronic Resource
    Effect of Exposure to Potassium Permanganate on Stress Indicators in Channel Catfish Ictalurus punctatus (2002)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the World Aquaculture Society 33 (2002), S. 0 
    Details
    ISSN: 1749-7345
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Juvenile channel catfish Ictulurus punctatus were exposed to 1× (0.44 mg/L), 3× (1.32 mg/L), or 5× (2.19 mg/L) the recommended therapeutic concentrations of waterborne potassium permanganate (KMnO4) for 36 h to determine the toxicity of the chemical. The fish were observed for 14 d after exposure. Gill, liver, and blood samples were collected before exposure, at 12, 24, and 36 h of exposure, and at 48-h intervals for 14 d thereafter. Analysis of homogenized gill tissue showed a transient increase in manganese content that quickly disappeared once exposure was discontinued. Fish exposed to the 3× and 5× concentrations of KMnO4 experienced 9 and 50.6% mortality, respectively. Plasma cortisol was elevated more than ten-fold at the 5× concentration. Both plasma chloride and osmolality were significantly reduced at the 3× and 5× concentrations but were unchanged at the 1×. Packed cell volumes (PCV) of whole blood rose significantly in response to 3× and 5× concentrations of KMnO4 Mortality may have been the result of blood electrolyte depletion as indicated by increased PCVs, loss of chloride, and reduced osmolality. All stress indicators measured, except PCV at the 5× concentration, were indistinguishable from unexposed controls within 48 h after exposure was discontinued. At the l× concentration (the concentration most like that employed in a disease treatment) no changes were observed in any stress indicators measured suggesting that KMnO4 may be safely used as a disease therapeutant for channel catfish.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-7345.2002.tb00472.x
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  • 6
    Electronic Resource
    Electronic Resource
    EFFECT OF MECHANICAL TENDERIZATION, AGING AND PRESSING ON BEEF QUALITY (1975)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 40 (1975), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1975.tb01056.x
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  • 7
    Electronic Resource
    Electronic Resource
    EFFECT OF GAS ATMOSPHERES ON MICROBIAL GROWTH, COLOR AND pH OF BEEF (1975)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 40 (1975), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1975.tb01058.x
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  • 8
    Electronic Resource
    Electronic Resource
    SAMPLE UNCERTAINTY IN FLOOD LEVEE DESIGN: BAYESIAN VERSUS NON-BAYESIAN METHODS (1975)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 11 (1975), S. 0 
    Details
    ISSN: 1752-1688
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Notes: : Bayesian and non-Bayesian flood levee design methods that account for the uncertainty due to limited record length are compared using a case study. The first method, Bayesian decision theory (BDT), imbeds the uncertainty in the parameters of the yearly peak stage into a loss function. The optimum design of the flood levee, called Bayes design, corresponds to the minimum expected loss, called Bayes risk. The second method, induced safety algorithm (ISA), computes a margin of safety to be added to either an existing levee or a levee designed by classical benefit-cost analysis. The design decision is shown to fluctuate as different record lengths are considered. For short record lengths, BDT, which takes small sample bias into account, appears to yield a more conservative design than ISA. On the other hand, ISA, which is simple to implement, seems to be preferable to BDT for longer record lengths.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1752-1688.1975.tb00696.x
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  • 9
    Electronic Resource
    Electronic Resource
    Treatment Technology/Oxygen Revisited (2002)
    Oxford, UK : Blackwell Publishing Ltd
    Ground water monitoring & remediation 22 (2002), S. 0 
    Details
    ISSN: 1745-6592
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geosciences
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1745-6592.2002.tb00755.x
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  • 10
    Electronic Resource
    Electronic Resource
    Laboratory Column Experiments Using Polymer Mats to Remove Selected VOCs, PAHs, and Pesticides from Ground Water (2002)
    Oxford, UK : Blackwell Publishing Ltd
    Ground water monitoring & remediation 22 (2002), S. 0 
    Details
    ISSN: 1745-6592
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geosciences
    Notes: Large-scale column experiments were undertaken to evaluate the potential of polymer mats to remove selected volatile organic compounds, polycyclic aromatic hydrocarbons, and pesticides (atrazine and fenamiphos) from ground water and potentially to act as permeable reactive barriers in contaminated ground water environments. The polymer mats, composed of interwoven silicone (dimethylsiloxane) tubes and purged with air, were installed in 2 m long flow-through columns. The polymer mats proved efficient in physically removing (stripping) benzene and naphthalene from contaminated water. Removal efficiencies for both these compounds from an aqueous phase flowing past a polymer mat were 75% or greater. However, for atrazine and fenamiphos, removal efficiencies were 5% or less, probably as a result of their lower Henry's law constants and possibly lower polymer diffusion coefficients.These experiments indicate that, at least for relatively volatile compounds, polymer mats can provide a remediation technique for the removal of organic compounds from contaminated water. Application of this technique may be well suited as a longer-term, semipassive strategy to remediate contaminated ground water, using natural ground water flow to deliver contaminated ground water to polymer mats engineered as sorption-stripping barriers.Additional benefits of this technique may include targeted delivery of gaseous chemical amendments, such as oxygen, to enhance aerobic biodegradation and to further reduce any residual concentrations of contaminants.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1745-6592.2002.tb00318.x
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