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  • 1
    Series available for loan
    Series available for loan
    Geology of Hyde Lake map area, District of Keewatin, N.W.T. (1983)
    Ottawa : Geological Survey of Canada
    Associated volumes
    Details Availability
    Call number: SR 90.0008(82-9)
    In: Paper
    Type of Medium: Series available for loan
    Pages: 8 S. + 1 pl.
    ISBN: 0660113112
    Series Statement: Paper / Geological Survey of Canada 82-9
    Language: English
    Location: Lower compact magazine
    Branch Library: GFZ Library
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  • 2
    Electronic Resource
    Electronic Resource
    The effects of a settled industrial domestic sewage works effluent from percolating filters on the embryo viability and hatching success of rainbow trout, Salmo gairdneri Richardson (1984)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 25 (1984), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The mortalities of washed and unwashed rainbow trout embryos exposed to Birmingham tap water, 50% and 100% settled effluent from filter beds has been compared. Differences in the hatching success between washed and unwashed embryos in the three treatments were also compared and the effect of saprophytic microbial growths assessed. There was a significant difference in mortality between washed embryos exposed to tap water (5%) and 50% effluent (12%) and 100% effluent (12%) when dissolved oxygen levels were maintained near 100% air saturation value. Mortalities of unwashed embryos were 4%, 26%, and 26% respectively for the three treatments. Hatching success of washed embryos was similar in the three treatments but unwashed embryos were significantly affected by the effluent treatments because of Sphaerotilus growths.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1095-8649.1984.tb04887.x
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  • 3
    Electronic Resource
    Electronic Resource
    Dynamics of prevalence of Ligula intestinalis (L.) in Catostomus commersoni (Lacépède) (1984)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 25 (1984), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Prevalence of Ligula intestinalis in Catostomus commersoni was followed in four lakes near Algonquin Provincial Park, Ontario from 1963 to 1981. Two lakes remained in the natural state, except for regular sampling, and prevalence of the parasite fluctuated from 0.3 to 3.6% and from 1.5 to 13%. Prevalence was higher in fishes from the other two lakes. Fishes in the latter two lakes were removed with ichthyotoxin during the study. Fishes and parasite subsequently recolonized the lakes. Prevalence of the parasite peaked and then declined during recovery in each of the two lakes. Prevalence of the parasite fluctuated around levels which were unique for each of the four lakes. Differences in the level of prevalences among the lakes were probably most dependent on differences in the morphology of the lake basins.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1095-8649.1984.tb04860.x
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  • 4
    Electronic Resource
    Electronic Resource
    The effects of a settled industrial–domestic sewage works effluent from percolating filters on the survival and growth of various stages of rainbow trout, Salmo gairdneri (Richardson) (1984)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 24 (1984), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Comparisons were made of the mortality, growth and condition factor over a 50-day period of eleutheroembryos, alevins, 2-month fry, 4-month fry and 1 + rainbow trout, Salmo gairdneri, in water of three qualities–Birmingham tap-water, 50% and 100% settled effluent from percolating filters (Minworth Effluent Treatment Works) when dissolved oxygen levels were maintained near 100% ASV.There was no significant mortality among life stages in control tap-water but the LT50 values of life stages in both 50% effluent and 100% effluent revealed significant differences. Inter-treatment comparisons showed similar mortalities of eleutheroembryos, of 2-month fry and of 1 + fish in the three treatments but LT50 values of 4-month fry showed significant differences. Growth rates of 2-month and 4-month fry were suppressed in both effluents after 7 days and there was a significant deterioration in the K factor of these life stages after 14 days. Predicted toxicities (the sum of the proportions of the 48-h LC50 of the individual poisons to rainbow trout) were compared with the observed toxicity in 50% and 100% effluent. The relevance of in vivo testing in comparison to predictive techniques is compared.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1095-8649.1984.tb04772.x
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  • 5
    Electronic Resource
    Electronic Resource
    Acclimation to lead in the freshwater isopod Asellus aquaticus (1980)
    Springer
    Oecologia 45 (1980), S. 419-420 
    Details
    ISSN: 1432-1939
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Some populations of the isopod Asellus aquaticus from polluted rivers are tolerant to lead. Here it is shown that nontolerant animals from an unpolluted site can be made tolerant by laboratory exposure to low levels of the metal, and it is suggested that naturally occurring tolerance may be achieved by acclimation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00540216
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  • 6
    Electronic Resource
    Electronic Resource
    Book review (1984)
    Springer
    Foundations of physics 14 (1984), S. 799-807 
    Details
    ISSN: 1572-9516
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00736623
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  • 7
    Electronic Resource
    Electronic Resource
    The dynamic and steady shear properties of synovial fluid and of the components making up synovial fluid (1984)
    Springer
    Rheologica acta 23 (1984), S. 311-321 
    Details
    ISSN: 1435-1528
    Keywords: Viscoelastic behaviour ; Carreau model ; dynamic properties ; hyaluronic acid ; protein ; synovial fluid
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Abstract Steady-shear and dynamic properties of a pooled sample of cattle synovial fluid have been measured using techniques developed for low viscosity fluids. The rheological properties of synovial fluid were found to exhibit typical viscoelastic behaviour and can be described by the Carreau type A rheological model. Typical model parameters for the fluid are given; these may be useful for the analysis of the complex flow problems of joint lubrication. The two major constituents, hyaluronic acid and proteins, have been successfully separated from the pooled sample of synovial fluid. The rheological properties of the hyaluronic acid and the recombined hyaluronic acid-protein solutions of both equal and half the concentration of the constituents found in the original synovial fluid have been measured. These properties, when compared to those of the original synovial fluid, show an undeniable contribution of proteins to the flow behaviour of synovial fluid in joints. The effect of protein was found to be more prominent in hyaluronic acid of half the normal concentration found in synovial fluid, thus providing a possible explanation for the differences in flow behaviour observed between synovial fluid from certain diseased joints compared to normal joint fluid.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01332196
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  • 8
    Electronic Resource
    Electronic Resource
    Tissue uptake of circulating hyaluronic acid (1983)
    Springer
    Cell & tissue research 233 (1983), S. 285-293 
    Details
    ISSN: 1432-0878
    Keywords: Hyaluronic acid ; Circulation ; Tissue uptake ; Autoradiography ; Metabolism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Previous work in the rabbit has shown that there is a significant flux of plasma hyaluronic acid (HA)1 which is taken up and degraded mainly in the liver but also concentrated in the spleen. Purified 14C-labelled HA of high average molecular wt prepared by biosynthesis from D-[U-14C] glucose was injected i.v. in mice and its tissue distribution was determined by whole-body autoradiography during the next 24 h. As blood levels declined, radioactivity was concentrated in the liver and spleen as found in the rabbit, and also in bone marrow and lymph nodes. Distribution was uniform in liver tissue, concentrated and relatively persistent in the periphery of lymph nodes, and distinctly nodular within the spleen. Analysis of an aqueous liver extract taken 4 h after injection identified 14C in HA, in a macromolecular fraction resistant to fungal hyaluronidase, and in metabolites of low molecular wt. These findings confirm and extend observations based on tissue extraction in rabbits. The pattern of distribution through the body and the restricted localization within spleen and lymph nodes further suggest that HA is absorbed from plasma and tissue fluids by elements of the reticuloendothelial system.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00238296
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  • 9
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    Relationships Among Components of Seed Yield in Blue Grama 1 (1981)
    Wiley
    Details
    Publication Date: 1981-11-01
    Print ISSN: 0002-1962
    Electronic ISSN: 1435-0645
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Published by Wiley
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  • 10
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    Acclimation to lead in the freshwater isopod Asellus aquaticus (1980)
    Springer
    Details
    Publication Date: 1980-01-01
    Print ISSN: 0029-8549
    Electronic ISSN: 1432-1939
    Topics: Biology
    Published by Springer
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