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  • 1
    Electronic Resource
    Electronic Resource
    GROWTH AND CONTROL OF HALOPHILIC MICROORGANISMS IN SALT MINCED FISH (1979)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 44 (1979), 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: The apparently good shelf stability of salt minced fish produced by the quick salting technique is due to the very low halophilic bacteria content. The nature of the quick salting method and the quality of the curing salt used are responsible for this condition. With no loss in palatability the salted minced fish was rendered stable at 35°C either by reducing water activity to 0.7 or by adding 0.3% sorbic acid into the minced flesh with the curing salt. A sorbic acid residue in the desalted product of 0.1% was less than the limit allowed in some food products.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1979.tb10000.x
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  • 2
    Electronic Resource
    Electronic Resource
    Operation of the Backward-Wave Oscillator (1960)
    [s.l.] : Nature Publishing Group
    Nature 188 (1960), S. 803-804 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The travelling-wave-tube analogue was described in detail in a recent paper1, and is based on the lumped circuit travelling-wave tube first described by Matthews2. Briefly it consists of a series of drift tubes inside a vacuum envelope interconnected with a series of inductance coils which are ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/188803b0
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  • 3
    Electronic Resource
    Electronic Resource
    STABILITY OF LEAN AND FATTY FISH FILLETS IN HYPOBARIC STORAGE (1980)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 45 (1980), 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: Fillets of lean (cod) and fatty fish (herring and mackerel) were stored in a hypobaric chamber at −1.1, −0.55, and 0°C under a pressure of 10 mm Hg. The atmosphere was changed twice hourly, and had a relative humidity greater than 95%. The growth of bacteria in the filets was slowed, and a qualitative shift in the micro-flora occurred, compared with fillets held at 0°C on ice. The rate of development of rancidity in the fatty fillets was also decreased. Because of these changes, a 10-15% extension in keeping times of hypobarically stored fillets was observed at 0°C. The storage life of fillets at low pressure was further extended by the decrease of storage temperature and by treating the fillets with Na, H EDTA. EDTA did not increase the storage life of the fatty fillets.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1980.tb07545.x
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  • 4
    Electronic Resource
    Electronic Resource
    Electric Effects of the Failure of Fibre Reinforced Plastics (1971)
    [s.l.] : Nature Publishing Group
    Nature 230 (1971), S. 322-324 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Mahieu has demonstrated1 that there are electrical and luminescent effects associated with .the failure of glass reinforced resins. He showed that current changes of between 10~12 and 10-10 A occurred both in the direction of the bias current and/or in opposition to it when a tensile specimen was ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/230322a0
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  • 5
    Electronic Resource
    Electronic Resource
    Organochlorine residues in fish and fishery products from the Northwest Atlantic (1977)
    Springer
    Bulletin of environmental contamination and toxicology 18 (1977), S. 697-705 
    Details
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Notes: Abstract The residues of polycholorinated biphenyls (PCBs) and DDT (p,p′-DDT and its metabolites) were determined in fish collected at various sites off the Atlantic Coast of Canada during 1971 and 1972. The results of analyses of 261 samples representing 29 species of Crustacea, bivalves and finfish, indicated widespread distribution of these contaminants and preferential accumulation in lipid rich specimens. Only fatty specimens of pelagic finfish consistently contained more than 0.1 μg/g of PCB and DDT. Bluefin tuna was the only species with residues frequently in excess of 1 μg/g. No appreciable differences were observed in residue levels of specimens taken during different years or in specimens taken at different sampling sites. A total of 83 samples representing 7 selected tissues and fishery products were also analyzed for PCB and DDT. No residues of lindane, aldrin, heptachlor, heptachlor epoxide and methoxychlor, and only very low levels of dieldrin and hexachlorobenzene were present in the 104 samples examined for these residues.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01691981
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  • 6
    Electronic Resource
    Electronic Resource
    DDT residues in cod livers from the maritime provinces of Canada (1975)
    Springer
    Bulletin of environmental contamination and toxicology 14 (1975), S. 505-512 
    Details
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Notes: Abstract The residues of DDT and its analogs were estimated in a number of cod liver samples (Gadus morhua) collected at six sampling sites off the Atlantic Coast of the Maritime Provinces of Canada during the summer of 1971. The residue levels indicated widespread distribution of DDT over the entire region sampled. Variations in the relative contributions of p, p′-DDE and p,p′-DDT to the total DDT residues (ΣDDT) were noted and the tendency for these residues to preferentially accumulate in lipid rich tissues was demonstrated. The residue levels found in cod livers were compared to the residue levels determined in cod flesh taken from some of the same specimens and also to residue levels in commercially refined cod liver oils. Samples of each of these types were stored at −29°C and analyzed in 1973 for DDT and PCB simultaneously. The ΣIDDT residues determined by both methods of analysis were compared.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01705519
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  • 7
    Electronic Resource
    Electronic Resource
    Biodegradation of atrazine under denitrifying conditions (1998)
    Springer
    Applied microbiology and biotechnology 49 (1998), S. 618-623 
    Details
    ISSN: 1432-0614
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract Anaerobic biodegradation of atrazine by the bacterial isolate M91-3 was characterized with respect to mineralization, metabolite formation, and denitrification. The ability of the isolate to enhance atrazine biodegradation in anaerobic sediment slurries was also investigated. The organism utilized atrazine as its sole source of carbon and nitrogen under anoxic conditions in fixed-film (glass beads) batch column systems. Results of HPLC and TLC radiochromatography suggested that anaerobic biotransformation of atrazine by microbial isolate M91-3 involved hydroxyatrazine formation. Ring cleavage was demonstrated by 14CO2 evolution. Denitrification was confirmed by detection of 15N2 in headspace samples of K15NO3-amended anaerobic liquid cultures. In aquatic sediments, mineralization of uniformly ring-labeled [14C]atrazine occurred in both M91-3-inoculated and uninoculated sediment. Inoculation of sediments with M91-3 did not significantly enhance anaerobic mineralization of atrazine as compared to uninoculated sediment, which suggests the presence of indigenous organisms capable of anaerobic atrazine biodegradation. Results of this study suggest that the use of M91-3 in a fixed-film bioreactor may have applications in the anaerobic removal of atrazine and nitrate from aqueous media.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002530051223
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  • 8
    Electronic Resource
    Electronic Resource
    Investigating Climate Change Impacts and Thresholds: An Application of the CLIMPACTS Integrated Assessment Model for New Zealand Agriculture (2000)
    Springer
    Climatic change 46 (2000), S. 91-113 
    Details
    ISSN: 1573-1480
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract The determination of `critical thresholds'is an essential task for informed policydecisions on establishing greenhouse gas emissiontargets. This paper presents a framework fordetermining critical thresholds for New Zealandagriculture, focusing on three agriculturalcrops – kiwifruit, grain maize, andPaspalum dilatatum – as exemplars for the fruitproduction, arable cropping and dairy productionindustries in New Zealand. The approach is based onthe application of a country-scale, integratedassessment model, called CLIMPACTS. The CLIMPACTSsystem contains a climate change scenario generator,climate and land data, and sectoral impact models. Importantly, CLIMPACTS allows time-dependentassessments of climate change and its effects, whichfacilitates the identification and examination of thresholds, which largely relate to spatial changes, over time, in regions of economic importance for these crops. However, whether such thresholds are `critical' for New Zealand cannot currently be addressed by the CLIMPACTS model. The determination of `criticality' requires a fully integrated assessment in which the social, economic, and environmental costs and risks associated with these thresholds are comprehensively evaluated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1005576910408
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  • 9
    Electronic Resource
    Electronic Resource
    Integrated model systems for national assessments of the effects of climate change: Applications in New Zealand and Bangladesh (1996)
    Springer
    Water, air & soil pollution 92 (1996), S. 215-227 
    Details
    ISSN: 1573-2932
    Keywords: New Zealand ; Bangladesh ; coastal resources ; water resources ; agroclimatic zones ; hydrology ; integrated model system ; BDCLIM ; CLIMPACTS
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract To examine the sensitivity of environmental systems to climatic variability and change, integrated model systems for climate impact assessment are being developed for New Zealand (CLIMPACTS) and Bangladesh (BDCLIM). Features common to both model systems include a global climate model, regional modules for generating climate scenarios, and models for biophysical impact analyses. For CLIMPACTS, modified ecosystem models for horticultural crops, arable crops, and pasture production are being incorporated. For BDCLIM, the emphasis is on analysis ofpossible changes in agroclimatic zones and hydrology, including the risks of floods and droughts. The initial emphasis of both systems is on nationwide spatial analyses, using simplified models as much as possible. The development of integrated model systems supports the needs of the respective countries in assessing scientific uncertainties, evaluating vulnerabilities, and identifying adaptation options as a basis for international reporting requirements under the U.N. Framework Convention on Climate Change and for policy and planning at national and regional levels. The major advantage of such integrated model systems is that they can readily be updated as the science of climate change advances, thus providing an evolving tool for future reassessments of climate impacts.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00175567
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  • 10
    Electronic Resource
    Electronic Resource
    Fracture studies on polypropylene (1975)
    Springer
    Journal of materials science 10 (1975), S. 647-657 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Measurements of fracture surface energy have been made on polypropylene in the undrawn state and at different states of orientation over the temperature range −60 to 60° C. Tear tests were employed and it was found that the fracture surface energy of unoriented material was of the order of 104 to 105 J m−2. As orientation (represented by birefringence) increased, the fracture surface energy decreased by a factor of approximately 100 at room temperature but this factor was found to decrease with decreasing temperature. For all degrees of orientation, the fracture surface energy increased with increasing temperature in the range −60 to 60°C, Scanning electron microscope studies showed a direct relation between the crack tip diameter and the fracture surface energy of unoriented specimens. From comparable studies on the tearing of rubber, Thomas has interpreted such a relationship as implying that the high values of fracture surface energy arise from the energy required to deform the material in the crack tip up to the breaking point. On this basis the reduction in fracture surface energy with increase in orientation may be regarded as being due to the associated diminution of the crack tip diameter. This interpretation is substantiated by direct measurements of crack tip diameter for specimens of intermediate and high orientation. Further microscopic studies of fracture surfaces indicate three modes of fracture which have been correlated with the appearance of the crack tip and tend to occur in certain ranges of birefringence.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00566573
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