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  • Blackwell Publishing Ltd  (415)
  • American Association for the Advancement of Science  (214)
  • Periodicals Archive Online (PAO)
  • 1980-1984  (741)
  • 1965-1969
  • 1935-1939
  • 1930-1934
  • 1982  (741)
Collection
Publisher
Years
  • 1980-1984  (741)
  • 1965-1969
  • 1935-1939
  • 1930-1934
Year
  • 11
    Electronic Resource
    Electronic Resource
    Regional Study of the Dakota Aquifer (Darton's Dakota Revisited) (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Ground water 20 (1982), S. 0 
    Details
    ISSN: 1745-6584
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geosciences
    Notes: In 1905, N. H. Darton described the geology and underground-water resources of the central Great Plains in his classic report that emphasized the importance of the Dakota aquifer to this region of the United States. Since Darton's work, many investigators have studied Dakota-aquifer hydrology with regard to development of local or statewide resources. Preliminary mapping of relatively recent fluid-level data by the U.S. Geological Survey indicates regional potentiometric trends similar to those interpreted by Darton, but altitudes substantially lower in part of the area. The classic artesian-system concept of the Dakota aquifer is not consistent with some of the data and observations of the past several decades. The simple aquifer geometry and effective lateral hydraulic continuity normally associated with that concept do not appear to characterize the Dakota aquifer regionally.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1745-6584.1982.tb02760.x
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  • 12
    Electronic Resource
    Electronic Resource
    Seasonal changes in biom ass of macrophytes on shaded and unshaded sections of the River Lambourn, England (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Freshwater biology 12 (1982), S. 0 
    Details
    ISSN: 1365-2427
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: SUMMARY. Monthly changes in the biomass of Ranunculus, Berula and Callitriche were recorded on two 50-m sites on the River Lambourn at Bagnor between March 1971 and October 1973. On the unshaded site. Ranunculus was the dominant macrophyte and characteristically its biomass changed from 20–40 g dry wt m-2 in March to around 400 g dry wt m-2 at the end of the growing season. On the shaded site, where Berula was the dominant macrophyte. the biomass of Ranunculus was lower than on the unshaded site. There was no significant difference between the mean biomasses of Berula on these two sites but Callitriche had a signifieantly higher biomass on the shaded site. Estimates of the total biomass of macrophyte on each site were calculated and the biomass of macrophyte removed during cutting operations each summer was also assessed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2427.1982.tb00621.x
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  • 13
    Electronic Resource
    Electronic Resource
    Characterization of isolates derived from single resting spores of Plasmodiophora brassicae and studies of their interaction (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 31 (1982), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: A technique for inoculation of Brassica seedlings with single resting spores of Plasmodiophora brassicae is described. Three isolates derived from single spores were produced from one population of P. brassicae. They gave different reactions with the European Clubroot Differential (ECD) series, and two gave different reactions from those of the spore suspensions from which they were derived. When two isolates were mixed together, spores of one isolate restricted infection by spores of the other isolate.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.1982.tb01274.x
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  • 14
    Electronic Resource
    Electronic Resource
    Studies on the reinfection and yield of virus-tested and commercial stocks of rhubarb cv. Timperley Early (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 31 (1982), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Ten commercial stocks of rhubarb cv. Timperley Early were found to be infected with turnip mosaic, arabis mosaic and to a lesser extent cherry leaf roll, strawberry latent ringspot and cucumber mosaic viruses. Significant yield differences were recorded between the stocks in forcing experiments, but these were not related to virus incidence. The performance of a mixture of these infected commercial stocks was compared with that of virus-tested stocks in canning, early green-pulled, and forcing experiments. A significant yield advantage was recorded in the first 2 years from the virus-tested stock harvested for canning, but not in the other two experiments. Of the five viruses isolated, turnip mosaic most frequently reinfected virus-tested stocks and there appeared to be a connection between reinfection of the healthy plants and subsequent reduction in their yield.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.1982.tb01276.x
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  • 15
    Electronic Resource
    Electronic Resource
    Factors affecting tests for differential pathogenicity in populations of Plasmodiophora brassicae (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 31 (1982), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Factors affecting the use of the European Clubroot Differential (ECD) series for determining the differential pathogenicity of Plasmodiophora brassicae were studied. Replicate tests made with one collection of P. brassicae did not give consistent results. Collections were shown to be heterogeneous for differential pathogenicity. Selection of components of a collection occurred during passage through a range of differential host cultivars. ECD host 06 was shown not to be uniform. There was a linear relationship between the logarithm of spore concentration in the inoculum used in tests and the incidence of disease, and some ECD hosts required a higher concentration of spores than others to give the same incidence of disease. The implications of these findings for the future use of the ECD series are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.1982.tb01273.x
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  • 16
    Electronic Resource
    Electronic Resource
    Editorial (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Sedimentology 29 (1982), S. 0 
    Details
    ISSN: 1365-3091
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3091.1982.tb01703.x
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  • 17
    Electronic Resource
    Electronic Resource
    Determination of the Sea Age of Atlantic Salmon in Scottish Catches from Length Composition Data (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Aquaculture research 13 (1982), S. 0 
    Details
    ISSN: 1365-2109
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The importance of obtaining reliable estimates of the sea age composition of reported salmon catches are discussed. The use of length frequency distributions to determine the sea age of salmon in samples taken from the North Esk commercial catch are described. The results obtained using this technique are compared to those obtained from scale reading on a 4 weekly basis over a 16-year period. The use of length frequencies is shown to provide a reliable estimate of the sea age composition of catch samples. The adoption of this technique in catch sampling programmes is labour saving and facilitates rapid sampling.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2109.1982.tb00046.x
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  • 18
    Electronic Resource
    Electronic Resource
    In Vitro Estimation of Relative Iron Availability in Breads and Meals Containing Different Forms of Fortification Iron (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 47 (1982), 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: An in vitro method was used to estimate relative availabilities of eight iron fortification sources under a variety of conditions. The eight iron sources examined were: ferrous sulfate, ferric orthophosphate, ferric sodium pyrophosphate, ferrous fumarate, reduced iron (hydrogen), reduced iron (carbonyl) and two sources of reduced iron (electrolytic). When incorporated into breads or complex meals, seven of the sources tested showed only slight differences in relative availability compared to the ferrous sulfate control. Ferric orthophosphate showed consistently lower relative availability. The baking process did not substantially alter the relative availabilities of nonheme iron in breads and meals containing the different iron fortification sources. Variation in meal composition had a greater influence on the availability of the nonheme iron in the meal than the form of fortification iron incorporated into the meal.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1982.tb12700.x
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  • 19
    Electronic Resource
    Electronic Resource
    Rheological Properties of Two Heat-Induced Protein Gels (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 47 (1982), 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: Rheological properties of heat-induced gels from egg albumen and bovine plasma proteins were measured using a mechanical loading device. Each protein was tested at 8% protein concentration and heated for 0–120 min at 80°C in an agitating water bath. After heating, the viscosity index, apparent elasticity and initial penetration force of the gels were evaluated. Bovine plasma protein dispersions exhibited a substantially higher viscosity index, apparent elasticity and initial penetration force than egg albumen gels. Bovine plasma proteins produced a gel structure which was strong and elastic. By comparison, heat-induced gels of egg albumen proteins were fragile and somewhat brittle.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1982.tb12714.x
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  • 20
    Electronic Resource
    Electronic Resource
    Content of Zinc in Selected Muscles from Beef, Pork, and Lamb (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 47 (1982), 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: Zinc concentration was measured in four muscles from beef, pork, and lamb: longissimus dorsi (LD), biceps femoris (BF), gluteus medius (GM), and triceps brachi (TB). Within a species, BF, GM, and LD had similar zinc concentrations but TB was significantly (P〈0.01) higher in zinc. The means for the four muscles ranged from 39.8–53.5, 13.9–28.0, and 28.2–36.9 μg Zn/g wet weight for beef, pork, and lamb, respectively. The zinc concentration of muscle may relate to protein synthesis and the predominant type of energy metabolism occurring in the muscle. The mean zinc concentration of the four muscles between species was significantly (P〈 0.01) different.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1982.tb12772.x
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