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  • Immunocytochemistry  (208)
  • optimization
  • Springer  (241)
  • American Chemical Society (ACS)
  • eLife Sciences Publications
  • 2020-2024
  • 1985-1989  (234)
  • 1970-1974  (5)
  • 1965-1969  (2)
  • 1935-1939
Collection
Keywords
Publisher
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Optimization using spreadsheets on a microcomputer (1985)
    Springer
    Annals of operations research 5 (1985), S. 599-612 
    Details
    ISSN: 1572-9338
    Keywords: Microcomputers ; spreadsheets ; linear programming ; optimization ; software
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Economics
    Notes: Abstract This paper discusses the advantages of using spreadsheets for problem specification and report generation in optimization projects. It summarizes some of the mathematical programming software which is compatible with popular spreadsheets. A small production planning problem is used to illustrate the steps in input and processing of the results. Two programs are compared in detail.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02023613
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  • 2
    Electronic Resource
    Electronic Resource
    Analysis of effective service time with age dependent interruptions and its application to optimal rollback policy for database management (1989)
    Springer
    Queueing systems 4 (1989), S. 193-212 
    Details
    ISSN: 1572-9443
    Keywords: Effective service time ; age dependent service interruptions ; database systems ; failures ; recovery ; rollback ; checkpoints ; optimization
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Notes: Abstract A stochastic model is developed describing a service system subject to inhomogeneous Poisson interruptions with age dependent interruption periods. By studying the probabilistic flow of the underlying multivariate Markov process, the Laplace transform of the effective service time is explicitly obtained. For general renewal interruptions, only the expected effective service time is derived. As an application, an optimal checkpoint policy is examined for database management. It is shown that an optimal policy maximizing the ergodic availability of the database is to implement a checkpoint as soon as the cumulative uptime of the database reaches a prespecified constantk *. A computational procedure is then developed for findingk * and numerical results are exhibited.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02100266
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  • 3
    Electronic Resource
    Electronic Resource
    A summary of OR/MS software on microcomputers (1985)
    Springer
    Annals of operations research 5 (1985), S. 613-630 
    Details
    ISSN: 1572-9338
    Keywords: Microcomputers ; computer programs ; mathematical programming ; software ; optimization ; management science ; operations research
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Economics
    Notes: Abstract This paper provides a summary of some OR/MS software for microcomputers. Lists of packages in many management science techniques are included. A bibliography of other papers is also included. We also summarize the general features of packages in each category. Finally, we mention a few sources to help the reader keep up with the developments in this area.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02023614
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  • 4
    Electronic Resource
    Electronic Resource
    Response surface methodology as a means for efficient data storage and retrieval (1987)
    Springer
    Annals of operations research 8 (1987), S. 351-362 
    Details
    ISSN: 1572-9338
    Keywords: Response surface methodology ; simulation ; optimization
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Economics
    Notes: Abstract Managing the volume of experimental and/or simulation data required for large-scale design studies can be a significant problem. This paper describes a method for dealing with this problem, using response surface methodology. The method involves (1) determining a summary parameterization of the response of the underlying process mechanism generating the data, in order to characterize this response in terms of a manageable set of performance measures, and (2) deriving a model of the data, in order to summarize the dependence of the performance measures on selected predictor or design variables. The method is illustrated by its application to a problem in vehicle collision research.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02187101
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  • 5
    Electronic Resource
    Electronic Resource
    Definition of extraction files and their optimization by zero-one programming (1967)
    Springer
    BIT 7 (1967), S. 206-215 
    Details
    ISSN: 1572-9125
    Keywords: Extraction ; file ; optimization ; output
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract In commercial and administrative ADP it often happens that there is one large master file and many output files are to be made from this. One possible solution to avoid using the master file many times is to construct from it a few extraction files and from these compile the output files. In the following paper a method is described to define the extraction files and to optimize their contents by zero-one programming. An algorithm and an example are presented in a simplified case.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01939262
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  • 6
    Electronic Resource
    Electronic Resource
    On optimization of the maintenance of a register (1966)
    Springer
    BIT 6 (1966), S. 212-227 
    Details
    ISSN: 1572-9125
    Keywords: Data ; processing ; register ; maintenance ; optimization
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract Data processing nowadays represents a considerable investment and it is important to use computers as efficiently as possible. Criteria separating the best alternative from other ones would be very useful. In this article we have tried to find some criteria for the optimization of register maintenance applying the simplest methods of operations research. In particular the use of a change register has been investigated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01934355
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  • 7
    Electronic Resource
    Electronic Resource
    Occurrence, distribution and nature of neuropeptide Y in the rat pancreas (1985)
    Springer
    Cellular and molecular life sciences 41 (1985), S. 1554-1557 
    Details
    ISSN: 1420-9071
    Keywords: Immunocytochemistry ; neuropeptide Y ; radioimmunoassay ; rat pancreas
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Significant quantities of a newly discovered peptide, neuropeptide Y, were found in the rat pancreas, where they were localized to nerves in the exocrine parenchyma and around arterial and ductal structures. Although unaffected by surgical parasympathectomy, the periarterial and periductal nerves were abolished by chemical sympathectomy, suggesting that NPY is partially costored with sympathetic transmitters in nerve fibers.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01964804
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  • 8
    Electronic Resource
    Electronic Resource
    Computer optimization of the performance of an anaerobic filter used for purification of highly polluted wastewater from a sugar refinery (1989)
    Springer
    Cellular and molecular life sciences 45 (1989), S. 1024-1029 
    Details
    ISSN: 1420-9071
    Keywords: Anaerobic filter ; computer control ; optimization ; sugar refinery
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary An anaerobic filter system with a volume of 11 l fed with wastewater from the Swiss sugar refinery in Frauenfeld was established on a laboratory scale. It provided a filter performance of over 8 kg COD·m−3·d−1 with an efficiency of at least 70%. A 600–1 pilot plant system in the factory gave a degradation efficiency of 70% when fed with 28 kg COD·m−3·d−1 and yielded 0.34 m3 methane/kg COD, demonstrating that the scaling-up of the anaerobic filter had been successful. The rapidly-varying concentrations of organic materials in the wasterwater required the constant control of the wastewater flow to the system. A control program was developed for a small computer using an empirical model simulating the operator. By varying the influx rate of the wastewater to the anaerobic filter the computer kept the system at an optimal organic load. The results obtained were equivalent to those obtained by permanent control of the system by an operator.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01950153
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  • 9
    Electronic Resource
    Electronic Resource
    Extracellular localization of cathepsin D in ossifying cartilage (1973)
    Springer
    Calcified tissue international 12 (1973), S. 313-321 
    Details
    ISSN: 1432-0827
    Keywords: Cathepsin D ; Extracellular ; Ossification ; Immunocytochemistry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine , Physics
    Description / Table of Contents: Résumé De la cathepsine D extracellulaire d'origine principalement ostéoblastique a été démontrée par immunohistochimie dans le cartilage en voide de calcification de cultures d'os des membres d'embryons de poulet. L'intérêt de ce fait pour l'ossification est discuté.
    Abstract: Zusammenfassung Es wurde mit einer immunohistochemischen Methode gezeigt, daß extrazelluläres Kathepsin D, welches hauptsächlich aus Osteoblasten gewonnen wurde, Knorpel von kultivierten Knochen von Kükenembryonen mineralisiert. Die Bedeutung dieser Feststellung für den Mechanismus der Knochenbildung wird diskutiert.
    Notes: Abstract Extracellular cathepsin D derived mainly from osteoblasts has been demonstrated immunohistochemically in ossifying cartilage of cultured embryonic chick limb bones. The relevance of this observation to the mechanism of ossification is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02013744
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  • 10
    Electronic Resource
    Electronic Resource
    Neutronic optimization for a blanket of the laser fusion reactor, SENRI-I (1985)
    Springer
    Journal of fusion energy 4 (1985), S. 315-319 
    Details
    ISSN: 1572-9591
    Keywords: optimization ; SENRI ; blanket ; tritium ; breeding ; energy multiplication ; molten salt ; nonbreeding ; hybrid ; support ratio
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Neutronic calculations were performed to optimize the SENRI blanket in terms of energy multiplication as well as tritium breeding ratio. The blanket employs a thick (∼ 64-cm) Li layer as breeder/coolant. Three approaches were taken here to achieve the goal: (1) reduction of6Li in the lithium, (ii) replacement of the Li layer by a molten-salt (flibe) layer, and (iii) shipment of excess tritium to a nonbreeding blanket. It was found that the excess tritium produced in the SENRI blanket could be used effectively to obtain additional power by fueling a nonbreeding D-T reactor.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01053361
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