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  • 11
    Electronic Resource
    Electronic Resource
    An extension of geometric programming with applications in engineering optimization (1971)
    Springer
    Journal of engineering mathematics 5 (1971), S. 187-194 
    Details
    ISSN: 1573-2703
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Technology
    Notes: Summary An extension of geometric programming to handle rational functions of posynomials is presented. The solution technique consists of successive approximations of posynomials and solution of ordinary geometric programs. An example of a multistage heat exchanger system optimization illustrates the computational method.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01535411
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  • 12
    Electronic Resource
    Electronic Resource
    Palaeodental studies using FT-Raman spectroscopy (1995)
    New York, NY [u.a.] : Wiley-Blackwell
    Biospectroscopy 1 (1995), S. 29-36 
    Details
    ISSN: 1075-4261
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Physics
    Notes: The FT-Raman vibrational spectrum of a child's deciduous exfoliated tooth has been analysed and the spectral features assigned to hydroxyapatite and protein. Comparisons made with older teeth from a Romano-British burial site (∼ 2k years) and fossilised animal teeth (∼ 1 M-70 M years) indicate that the organic protein component has disappeared with interment, whereas spectroscopic features due to the inorganic phosphatic matrix are common to all samples, modern and ancient. The application of the technique to the non-destructive analysis of archaeological samples and the recording of spectra from interred samples without detriment from fluorescent material is demonstrated. © 1995 John Wiley & Sons, Inc.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bspy.350010105
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  • 13
    Electronic Resource
    Electronic Resource
    Fourier transform Raman and infrared vibrational study of human skin: Assignment of spectral bands (1992)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 23 (1992), S. 641-645 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Fourier transform (FT) Raman and infrared spectra of the outermost layer of human skin, the stratum corneum, were recorded. Assignments consistent with the FT Raman vibrations were made for the first time and compared with assignments from the FTIR spectrum. The results demonstrate that FT Raman spectroscopy holds several advantages over FTIR in studies of human skin. The molecular and conformational nature of human skin, and modifications induced by drug or chemical treatments, may be assessed by FT Raman spectroscopy.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250231113
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    Paper (German National Licenses)
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  • 14
    Electronic Resource
    Electronic Resource
    Fourier transform Raman spectroscopy of bacterial cell walls (1994)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 25 (1994), S. 673-677 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Fourier transform Raman spectra were obtained from viable colonies of bacteria. Despite the highly coloured nature of the samples, the spectra were of sufficient quality to allow comprehensive assignments consistent with the vibrational modes. The spectra showed no clear evidence for the presence of phospholipids, indicating that penetration of the exciting infrared radiation was limited to the outermost components of the bacterial cell walls. The data describing the molecular and conformational state of the bacterial cell wall may aid in probing the modes of action of a wide range of antimicrobial agent.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250250730
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  • 15
    Electronic Resource
    Electronic Resource
    Raman spectra of human keratotic biopolymers: Skin, callus, hair and nail (1994)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 25 (1994), S. 95-98 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Fourier transform Raman spectra of human keratotic biopolymers were obtained. The spectra from skin stratum corneum, callus, nail and hair were fluorescence free and the samples did not degrade during analysis. Assignments consistent with the vibrational wavenumbers were made to characterize the molecular and conformational nature of the samples. The principal structural dissimilarities were in the sulphur content of tissues containing hard keratin (hair and nail) and soft keratin (stratum corneum and callus).
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250250113
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    Paper (German National Licenses)
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