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  • Springer  (41)
  • American Association for the Advancement of Science  (2)
  • 2010-2014  (5)
  • 2005-2009  (14)
  • 1995-1999  (13)
  • 1980-1984  (11)
Collection
Keywords
Publisher
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Transmission policies and traffic management in multimedia wireless networks (1997)
    Springer
    Wireless networks 3 (1997), S. 103-112 
    Details
    ISSN: 1572-8196
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology , Computer Science
    Notes: Abstract We consider multimedia wireless networks in environments where traffic characterizations and traffic rates are generally time‐varying. For such networks we propose a CDMA transmission policy, in conjunction with a moving boundaries concept induced by a traffic monitoring high‐level protocol. The proposed transmission/traffic management technique is analyzed and numerically evaluated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1019184629070
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  • 2
    Electronic Resource
    Electronic Resource
    Dynamic capacity allocation and hybrid multiplexing techniques for ATM wireless LANs (1998)
    Springer
    Mobile networks and applications 3 (1998), S. 307-316 
    Details
    ISSN: 1572-8153
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Notes: Abstract We consider digital wireless multimedia LANs and time‐varying traffic rates. To deal effectively with the dynamics of the time‐varying traffic rates, a Traffic Monitoring Algorithm (TMA) is deployed to dynamically allocate channel capacities to the heterogeneous traffics. The TMA is implemented as a higher level protocol that dictates the capacity boundaries within two distinct framed transmission techniques: a Framed Time Domain‐Based (FTDB) technique and a Framed CDMA (FCDMA) technique. The performance of the TMA in the presence of the FTDB technique is compared to its performance in the presence of the FCDMA technique for some traffic scenarios. The performance metrics used for the TMA‐FTDB and TMA‐FCDMA combinations are channel capacity utilization factors, traffic rejection rates, and traffic delays. It is found that the TMA‐FTDB is superior to the TMA‐FCDMA when the speed of the transmission links is relatively low and the lengths of the transmitted messages are relatively short. As the speed of the transmission links and the length of the transmitted messages increase, the TMA‐FCDMA eventually outperforms the TMA‐FTDB.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1019141202797
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  • 3
    Electronic Resource
    Electronic Resource
    Traffic monitoring for capacity allocation of multimedia traffic in ATM broadband networks (1998)
    Springer
    Telecommunication systems 9 (1998), S. 173-206 
    Details
    ISSN: 1572-9451
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology
    Notes: Abstract We address the accommodation of multimedia traffic by ATM broadband networks. We isolate a single network channel and we search for capacity allocation/transmission multiplexing policies which satisfy all traffic QOSs with simultaneous high utilization of channel capacity resources, in the presence of variable traffic rates. Towards that direction, we superimpose a high-level traffic-monitoring protocol which determines capacity allocations for each traffic category, dynamically. The latter protocol has sequential and implementation-efficient characteristics, and induces moving boundaries within prespecified and fixed channel frames. The channel frames are selected to satisfy the jittering constraints of all the traffics, such as voice, video and high versus low speed data. The high level protocol, in conjunction with the channel frame structure and the specifics of the transmission policy, may satisfy all traffic QOSs and may simultaneously attain high channel utilization, for certain variability conditions of the traffic rates and at relatively low implementation cost. Performance analysis as well as numerical evaluations are provided.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1019143822748
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  • 4
    Electronic Resource
    Electronic Resource
    Development of an optimal heterotrophic growth medium for Chlorella vulgaris (1984)
    Springer
    Applied microbiology and biotechnology 20 (1984), S. 281-283 
    Details
    ISSN: 1432-0614
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Summary Final biomass yields of Chlorella vulgaris cultured heterotrophically in bristol medium amended with 0.1% (w/v) yeast extract (Difco) or 0.5% glucose (w/v) were 26 and 58 times higher, respectively, than yields obtained for autotrophically grown cells in the light. Similarly, final biomass increases were 35 and 138 fold for these organic substrates in the dark. The mixture of 0.1% yeast extract and 0.5% glucose was optimal and produced increases in final biomass of 70 and 140 times in the light and dark, respectively.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00250641
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  • 5
    Electronic Resource
    Electronic Resource
    Interactions between the solvent acetone and the pyrethroid insecticide permethrin on activities of the blue-green algaAnabaena (1980)
    Springer
    Bulletin of environmental contamination and toxicology 24 (1980), S. 562-569 
    Details
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01608156
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  • 6
    Electronic Resource
    Electronic Resource
    Interactions of the solvent acetone with the fungicides benomyl and captan in fungal assays (1980)
    Springer
    Bulletin of environmental contamination and toxicology 25 (1980), S. 554-561 
    Details
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01985571
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  • 7
    Electronic Resource
    Electronic Resource
    The impact of neural networks in finance (1997)
    Springer
    Neural computing & applications 6 (1997), S. 193-200 
    Details
    ISSN: 1433-3058
    Keywords: Economic modelling ; Finance ; Neural networks
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Mathematics
    Notes: Abstract The financial industry is becoming more and more dependent on advanced computer technologies in order to maintain competitiveness in a global economy. Neural networks represent an exciting technology with a wide scope for potential applications, ranging from routine credit assessment operations to driving of large scale portfolio management strategies. Some of these applications have already resulted in dramatic increases in productivity. This paper brings together, from diverse sources, a collection of current research issues on neural networks in the financial domain. It examines a range of neural network systems related to financial applications from different levels of maturity to fielded products. It discusses the success rate of the neural network systems, and their performance in resolving particular financial problems.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01501506
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  • 8
    Electronic Resource
    Electronic Resource
    A method of removing helium ash and impurities from fusion reactors (1981)
    Springer
    Journal of fusion energy 1 (1981), S. 245-252 
    Details
    ISSN: 1572-9591
    Keywords: Impurity control ; plasma purity ; pellets ; pellet pumping
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract By injecting streams of small pellets through the edge of a reactor plasma, helium ash and other impurities can be captured and removed from the reactor. Calculations show that sufficient pumping capacity is available to remove 1021 He/s and that the equilibrium density of pellet material in the plasma is probably tolerable. If successful, this method of ash removal and impurity control simplifies reactor design considerably.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01050357
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  • 9
    Electronic Resource
    Electronic Resource
    Technique for identifying and minimizing solvent-pesticide interactions in bioassays (1982)
    Springer
    Archives of environmental contamination and toxicology 11 (1982), S. 437-445 
    Details
    ISSN: 1432-0703
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Notes: Abstract A simple, reliable, and accurate technique is presented for identifying and analyzing solvent-pesticide interactions in bioassays. This method used the solvent acetone, the fungicides metalaxyl and captan, and the fungiPythium ultimum, Sclerotinia homeocarpa, andPestalotia sp. Conclusions obtained were tested and verified by procedures specifically developed for both water-soluble and -insoluble pesticides. The interaction response observed with any given set of bioassay parameters was dependent upon both the acetone and fungicide concentrations. However, the method compensates for these discrepancies in interaction response and indicates the most suitable test parameters to employ in subsequent bioassays.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01056070
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  • 10
    Electronic Resource
    Electronic Resource
    From concept to practice: Implementing cumulative impact assessment in New Zealand (1995)
    Springer
    Environmental management 19 (1995), S. 445-456 
    Details
    ISSN: 1432-1009
    Keywords: Cumulative impact assessment ; Methods ; Institutional context ; Resource management ; New Zealand
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract In 1991, provisions for environmental impact assessment in New Zealand were changed significantly with the enactment of the Resource Management Act. Among other provisions, this act requires consideration of cumulative impacts in environmental assessment activities undertaken by planners in newly created regional authorities and district and city councils. The institutional context in which the act is being implemented offers both opportunities and constraints to cumulative impact assessment. A lack of methods for CIA is a recognized problem. However, methods that have been developed for environmental impact assessments can be modified to incorporate second-, third-, and fourth-order impacts as well as to identify the direction and magnitude of additive and synergistic impacts. Layered matrices and combined networks are examples of such methods. While they do not allow for scientific prediction, they do provide the practitioner with the ability to consider the cumulative impacts of decisions. This is crucial in New Zealand, where statutory requirements are ahead of established methodologies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02471985
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