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  • Articles  (47)
  • Latest Papers from Table of Contents or Articles in Press  (31)
  • Articles: DFG German National Licenses  (16)
  • American Geophysical Union  (16)
  • Blackwell Publishing Ltd  (16)
  • Canadian Science Publishing  (8)
  • Oxford University Press  (6)
  • Arctic Institute of North America
  • 1990-1994  (30)
  • 1985-1989
  • 1980-1984
  • 1975-1979  (17)
  • 1950-1954
  • 1935-1939
  • 1992  (30)
  • 1979  (17)
  • Geosciences  (26)
  • Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition  (12)
  • Mathematics  (5)
  • Architecture, Civil Engineering, Surveying  (4)
Collection
  • Articles  (47)
Source
  • Latest Papers from Table of Contents or Articles in Press  (31)
  • Articles: DFG German National Licenses  (16)
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  • 1990-1994  (30)
  • 1985-1989
  • 1980-1984
  • 1975-1979  (17)
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Year
Journal
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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of metamorphic geology 10 (1992), S. 0 
    ISSN: 1525-1314
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: Extensive examination of large numbers of spatially orientated thin sections of orientated samples from orogens of all ages around the world has demonstrated that porphyroblasts do not rotate relative to geographical coordinates during highly non-coaxial ductile deformation of the matrix subsequent to their growth. This has been demonstrated for all tectonic environments so far investigated. The work also has provided new insights and data on metamorphic, structural and tectonic processes including: (1) the intimate control of deformation partitioning on metamorphic reactions; (2) solutions to the lack of correlation between lineations that indicate the direction of movement within thrusts and shear zones, and relative plate motion; and (3) a possible technique for determining the direction of relative plate motion that caused orogenesis in ancient orogens.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 15 (1979), S. 0 
    ISSN: 1752-1688
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Notes: : Application of synographic techniques to four separate nonrelated research tasks demonstrated the usefulness of such an approach in interpreting and communicating hydrologic survey data especially when large geographic areas are involved. Nutrient exchange and biotic indicators in coastal estuaries were analyzed to determine residence times in different seasons of the year. Man induced changes in urban runoff patterns were shown to increase the probability of flooding with different recurrences of storm events. Nitrate and indicator bacteria in private wells were analyzed on a county-wide basis to determine the sources and extent of natural occurrence versus contamination origins. Water wells and the surface supply of metropolitan Houston were analyzed for sodium content to assist citizens and physicians with data which are needed for derivation of sodium restricted therapeutic diets.
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 15 (1979), S. 0 
    ISSN: 1752-1688
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Teaching statistics 14 (1992), S. 0 
    ISSN: 1467-9639
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Mathematics
    Notes: In a first course in mathematical statistics or categorical data analysis, the maximum likelihood estimators of the parameters of the multinomial distribution are often “derived” using calculus. However, the important step of verifying that the resulting estimators indeed maximize the likelihood is omitted or done incorrectly. In this paper, two simple methods of obtaining the maximum likelihood estimates are presented.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 28 (1979), S. 0 
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Isolates of Botrytis cinerea Pers. ex Pers. from slow-developing lesions on strawberries from plants treated with iprodione or vinclozolin fungicides were found to grow on potato dextrose agar (PDA) containing 10 000 p.p.m. iprodione or 1000 p.p.m. vinclozolin. At smaller concentrations, the presence of these fungicides sometimes stimulated growth of these tolerant isolates. When isolates of B. cinerea sensitive to iprodione and vinclozolin were placed on PDA containing between 1 and 5 p.p.m. of one of these fungicides, a few of the cultures showed mycelial growth after extended incubation for seven days. These cultures were also able to grow when subcultured on fresh PDA containing 5 p.p.m. of iprodione or vinclozolin.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the World Aquaculture Society 23 (1992), S. 0 
    ISSN: 1749-7345
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Reproductive performance of albino and pigmented channel catfish (Ictalurus punctarus) females was compared when spawning was induced with HCG (human chorionic gonadotropin) or Ovaprim/〉 (domperidone and [d-Ala6, Pro9 NEt]-luteinizing hormone-releasing hormone). In 1985, only HCG was used to induce spawning. Albino females required more injections, had a longer latency period from time of first injection to spawning, and had lower spawning success (30%) than pigmented females (77%). No differences were observed between albino and pigmented females for time-of-day of spawning, number of eggs obtained by manual stripping, and number of eggs/kg body weight. In 1988, HCG, Ovaprim, and saline (control) were used to induce spawning. HCG induced spawning in 80% of albino and 71% of pigmented females. Ovaprim induced 67% of pigmented females to spawn, but only 2 of 5 albino females spawned. One of four pigmented females injected with saline spawned. Albino females yielded 40–50% fewer eggs/kg body weight than pigmented females. Other performance characteristics for albino and pigmented females were similar whether injected with HCG or Ovaprim. High temperatures encountered during the 1985 spawning season my have had a differential effect on albino and pigmented fish and may account for some differences in spawning success.
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the World Aquaculture Society 23 (1992), S. 0 
    ISSN: 1749-7345
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Two experiments were conducted to evaluate the dietary iron requirement of juvenile Penaeus vunnamei. Prior to initiation of 28 day (Experiment I) and 35 day (Experiment II) feeding trials, 17–20day-old postlarvae were fed the basal diet lacking iron supplementation but containing 12 mg Fe/kg for seven days. After conditioning, juvenile shrimp (mean weight: 0.038 g Experiment I, 0.047 g Experiment II) were fed one of four diets supplemented with 0, 20, 40 or 80 mg Fe/kg from ferrous sulfate heptahydrate. Final weight gain of shrimp ranged from 1.03 to 1.28 g in Experiment I and 1.62 to 1.94 g in Experiment II. Although percent weight gain was in excess of 2700% in Experiment I and 3400% in Experiment II, there were no significant differences in growth or survival of shrimp fed the different levels of iron. Iron levels of the hepatopancreas and carapace increased linearly with dietary iron; however, there were no significant differences in the iron content of muscle tissue. Based on these results, the iron content of the basal diet appeared to satisfy physiological needs of the shrimp. Therefore, practical diets containing protein sources of animal origin which are rich in iron should not require iron supplementation.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 44 (1979), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Growth study was made on 96 male rats with treatments (15g diet, 03.g N/day): wheat bran (B) 5%, 2.1% neutral (NDF) and acid (ADF) detergent fibers, pectin (P), cellulose (C) and no-fiber (No-F) at two levels of energy (57 and 67 Kcal/day) for 4 wk and extended period. II. until 8 wk. In Period II. B and NDF diet resulted in significantly higher (P 〈 0.05) weight gain and protein efficiency ratio than No-F, in spite of increased fecal N excretion. Urinary N excretion was the most for NoF and the biological value the least (P 〈 0.05). Data suggest, at marginal intake of protein and energy closer to the requirement, dietary fiber has a role in the rat's growth and improved utilization of absorbed N.
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  • 9
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 44 (1979), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Green beans grown under different cultural conditions and packed in #25 and #50/25 R-enameled cans with variations in vacuum and pH and with added Cu, Fe, NaCl, NO3 and NO3 with PO, were visually examined for pitting after storage at 38°C and room temperature. The #25 cans and those with high levels of Cu, Fe NO3 and with low pH values had the most severe pitting. High can vacuum exhibited a protective effect against pitting during short term storage at room temperature. Pitting severity was not affected by heavy Cu(OH)2 sprays during the growing season, but there was an effect between cultivars.
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  • 10
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 44 (1979), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: One hundred seven tomato varieties were grown in three different soil types in Minnesota and evaluated for pH in the underripe, ripe and overripe stages of maturity. The pH of one variety, Ace, exceeded 4.6 in the ripe stage of maturity. The pH of 12 varieties exceeded pH 4.6 in the overripe stage of maturity. Results indicate that the pH of cultivars increases as the tomato matures and that home canners’ should process only slightly underripe and firm ripe tomatoes. The growing location appears to affect the pH of the variety.
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