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  • 1
    Electronic Resource
    Electronic Resource
    A search for patterns in the nucleotide sequence of the MS2 genome (1979)
    Springer
    Journal of mathematical biology 7 (1979), S. 219-230 
    Details
    ISSN: 1432-1416
    Keywords: Bacteriophages ; Nucleotide sequence ; Spatial Markov chains
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Mathematics
    Notes: Summary The nucleotide sequence of the RNA of the bacteriophage MS2 was examined by computer for internal patterns. We used a technique which analyzes a nucleotide sequence as a Markov chain. This led us to discover patterns within the translated and untranslated regions of the RNA in addition to those patterns formed by the codons. One of the more surprising results of this analysis was the discovery that the non-coding sequences in the genome are as highly ordered, although in a different sense, as the genes themselves. Also of interest was the discovery that the codon frequency distributions for the three genes are similar.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00275725
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  • 2
    Electronic Resource
    Electronic Resource
    Superposition of the notched strength of composite laminates (1979)
    Stamford, Conn. [u.a.] : Wiley-Blackwell
    Polymer Engineering and Science 19 (1979), S. 1151-1155 
    Details
    ISSN: 0032-3888
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: An improved macroscopic model for predicting the strength of a composite laminate containing a circular notch is developed. Two constants are introduced which uniquely determine the notch sensitivity of a given material. A superposition method for the notched strength of composite laminates is developed which allows data for arbitrary materials and laminate configurations to be superimposed upon a single master curve. The influence of material orthotropy upon notched strength is discussed. A relative notch sensitivity parameter is introduced which allows quantification of the notch sensitivity of a given composite material system, stacking sequence, or laminate configuration.
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pen.760191604
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  • 3
    Electronic Resource
    Electronic Resource
    Using system identification to determine the thermal properties of plastics (1976)
    Stamford, Conn. [u.a.] : Wiley-Blackwell
    Polymer Engineering and Science 16 (1976), S. 229-234 
    Details
    ISSN: 0032-3888
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: This article describes a new experimental and analytical method for determining the specific heat and thermal coductivity of plastic materials. This method arrives at these temperature-dependent properties by analyzing the thermal history of a slab of the plastic material. The procedure is as follows: 1) A partial differential equation model of the heat flow through the slab is established a priori. 2) A varying heat flux is a applied to the slab, and temperature readings throughout the plastic are recorded at fixed time intervals. 3) This temperature data is fed into a digital computer (along with the established mathematical model) and the required specific heat and thermal conductivity values are extracted. The extraction is done by using the maximum likelihood system identification technique.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pen.760160402
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