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  • 1
    Electronic Resource
    Electronic Resource
    Fatigue Characteristics of Dental Cast Titanium Alloy, Ti-6Al-7Nb, Conducted with Thermochemical Heat Processing (2003)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 426-432 (Aug. 2003), p. 3073-3078 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/07/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.426-432.3073.pdf
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  • 2
    Electronic Resource
    Electronic Resource
    Effect of Microstructures on Mechanical Properties of Heat Resistant Titanium Alloys at Elevated Temperatures (2003)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 426-432 (Aug. 2003), p. 667-672 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/07/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.426-432.667.pdf
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  • 3
    Electronic Resource
    Electronic Resource
    Fatigue Performance of Low Rigidity Titanium Alloy for Biomedical Applications (2004)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 449-452 (Mar. 2004), p. 1265-1268 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Microstructures of Ti-29Nb-13Ta-4.6Zr (TNTZ) aged at temperatures between 573 and723 K after solution treatment at 1063 K have super fine omega phase, or?? both super fine alphaand omega phases, respectively in beta phase with an average grain diameter of 20 µm. Plain fatiguestrength of TNTZ aged after solution treatment is much greater than that of as-solutionized TNTZ inboth low cycle fatigue and high cycle fatigue life regions. This is due to the improvement of thebalance of strength and ductility by the precipitation of alpha phase. Fretting fatigue strength ofTNTZ conducted with various heat treatments decreases dramatically as compared with their plainfatigue strength in both low cycle fatigue and high cycle fatigue life regions. In this case, thedecreasing ratio of fretting fatigue life increases with increasing the small crack propagation areawhere both the tangential force and frictional force at the contact plane of pad exist. In frettingfatigue in air, the ratio of fretting damage (Pf/Ff), where Pf and Ff stand for plain fatigue limit andfretting fatigue limit, respectively, increases with increasing elastic modulus. In fretting fatigue inRinger’s solution, the passive film on specimen surface is broken by fretting action in TNTZ, whichhave excellent corrosion resistance, and, as a result, corrosion pits that lead to decreasing frettingfatigue strength especially in high cycle fatigue life region, are formed on its surface
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/08/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.449-452.1265.pdf
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  • 4
    Electronic Resource
    Electronic Resource
    Diffusion Mechanisms in Grain Boundaries (2004)
    s.l. ; Stafa-Zurich, Switzerland
    Journal of metastable and nanocrystalline materials Vol. 19 (Jan. 2004), p. 1-24 
    Details
    ISSN: 1422-6375
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/43/transtech_doi~10.4028%252Fwww.scientific.net%252FJMNM.19.1.pdf
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  • 5
    Electronic Resource
    Electronic Resource
    19F NMR study of protein-induced rhombic perturbations on the electronic structure of the active site of myoglobin (2000)
    Springer
    JBIC 5 (2000), S. 455-462 
    Details
    ISSN: 1432-1327
    Keywords: Key words Fluorine-19 nuclear magnetic resonance ; Heme electronic structure ; Myoglobin ; Paramagnetic shift ; Reconstituted protein
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract  A novel C 2-symmetric ring-fluorinated hemin, 13,17-bis(2-carboxyethyl)-2,8,12,18-tetramethyl-3,7-difluoroporphyrinatoiron(III), has been synthesized and was incorporated into sperm whale apomyoglobin to investigate protein-induced rhombic perturbations on the electronic structure of the active site of myoglobin (Mb) using 19F NMR spectroscopy. NMR signals for 19F atoms introduced as substituents on the present heme in ferrous low-spin and high-spin and ferric low-spin complexes have been observed and their shifts sharply reflect not only the electronic nature of the heme iron, but also in-plane asymmetry of the heme electronic structure. The two-fold symmetric electronic structure of the ring-fluorinated hemin is clearly manifested in the 19F and 1H NMR spectra of its dicyano complex. The chemical equivalence of the two fluorine atoms of the heme is removed in the active site of myoglobin and the splitting of the two 19F NMR signals provides a quantitative probe for characterizing the rhombic perturbation of the heme electronic structure induced by the heme-protein interaction. The in-plane asymmetry of heme electronic structures in carbonmonoxy and deoxy Mbs have been analyzed for the first time on the basis of the shift difference between the two 19F NMR signals of the heme and is interpreted in terms of iron-ligand binding and/or the orbital ground state of the heme. A potential utility of 19F NMR, combined with the use of a symmetric fluorinated hemin, in characterizing the heme electronic structure of myoglobin in a variety of iron oxidation, spin, and ligation states, is presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s007750050005
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  • 6
    Electronic Resource
    Electronic Resource
    Genome and Chromosome Dimensions of Lotus japonicus (2000)
    Springer
    Journal of plant research 113 (2000), S. 435-442 
    Details
    ISSN: 1618-0860
    Keywords: Keywords: Condensation pattern, Fluorescence in situ hybridization (FISH), Genome size, Lotus japonicus, Quantitative chromosome map, rDNAs
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Lotus Japonicus , Miyakojima MG-20 and Gifu B-129. The genome sizes of Miyakojima and Gifu were determined as 472.1 and 442.8 Mbp, respectively. Both the accessions were diploid (2n=12) and six chromosomes were identified and characterized based on the condensation patterns and the locations of rDNA loci. The obvious polymorphism observed in the genome size and the chromosome morphology between the two accessions, revealed specific accumulation of heterochromatin in Miyakojima or elimination in Gifu. The chromosomes L. japonicus were numbered according to their length. A quantitative chromosome map was also developed by the imaging methods using the digital data of the condensation pattern. 45S rDNA loci were localized on chromosomes A and F, and 5S rDNA locus was localized on chromosome A by fluorescence in situ hybridization (FISH). Identification of the chromosome and genome sizes and development of the quantitative chromosome map represent significant contribution to the L. japonicus genome project as the basic information.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/PL00013952
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