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  • 1
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    Experimental study on the wave pressure of liquefied silty soil. (2018)
    Details
    Publication Date: 2021-05-19
    Description: A number of studies focus on the pore-water pressure in seabed under the waves and seabed instability induced by liquefaction, but rarely on the wave pressure of liquefied soil. In this paper, flume tests were performed at varying wave heights under both conditions of liquefied and stable seabed. The total pressures equal to soil pressures and pore water pressures were measured and analyzed at each depth. The results showed that the liquefied seabed had little difference from the stable seabed on the peak pressures. However, the pressure amplitude of the liquefied soil increased by several to 10 times and decreased faster with increasing soil depths, compared with the stable soil. According to the experiments and further analysis, an empirical equation between pressure amplitude of the liquefied soil and wave parameters was put forward under the flume test. The results provide a valuable reference for engineering applications.
    Description: Published
    Keywords: Silty soil ; Wave pressure ; Liquefaction ; Water flume test
    Repository Name: AquaDocs
    Type: Journal Contribution , Not Known
    Format: pp.29-42
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  • 2
    Electronic Resource
    Electronic Resource
    Optical absorption spectra of C70 thin films (1996)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 80 (1996), S. 459-463 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Both optical transmission spectroscopy and photothermal deflection spectroscopy are used to determine the spectra of C70 thin films over a wide energy range (0.6–6.5 eV). Based on a molecular orbital model, the optical transitions for the C70 thin film are analyzed. The weak absorption spectra of C70 thin films are similar to that of an amorphous semiconductor. The optical energy gap is derived by a Tauc plot as 1.66 eV. The gap region can be described in terms used for amorphous semiconductors, having features such as an Urbach edge and subgap defect absorption, which are interpreted as a broadening due to disorder or impurities. The effects of the deflection medium on the weak absorption spectra of C70 films are discussed. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.362747
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  • 3
    Electronic Resource
    Electronic Resource
    Therapeutic silencing of an endogenous gene by systemic administration of modified siRNAs (2004)
    [s.l.] : Macmillian Magazines Ltd.
    Nature 432 (2004), S. 173-178 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] RNA interference (RNAi) holds considerable promise as a therapeutic approach to silence disease-causing genes, particularly those that encode so-called ‘non-druggable’ targets that are not amenable to conventional therapeutics such as small molecules, proteins, or monoclonal antibodies. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/nature03121
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Specificity in Toll-like receptor signalling through distinct effector functions of TRAF3 and TRAF6 (2006)
    [s.l.] : Nature Publishing Group
    Nature 439 (2006), S. 204-207 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Toll-like receptors (TLRs) are activated by pathogen-associated molecular patterns to induce innate immune responses and production of pro-inflammatory cytokines, interferons and anti-inflammatory cytokines. TLRs activate downstream effectors through adaptors that contain ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/nature04369
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  • 5
    Electronic Resource
    Electronic Resource
    A remark on fast decay effect in the electromagnetic missile theory (1997)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 82 (1997), S. 893-895 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The fast decay effect of energy in electromagnetic (EM) radiation as deduced from the EM missile theory is demonstrated to be unrealistic. The inferences drawn from the EM missile results involving such a fast decay effect must be modified by taking into account the contribution from the band-limited spectrum, which will yield reasonable results. © 1997 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.366273
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  • 6
    Electronic Resource
    Electronic Resource
    Functional segregation of plural regions representing cardinal contours in cat primary visual cortex (2004)
    Oxford, UK : Blackwell Science Ltd
    European journal of neuroscience 20 (2004), S. 0 
    Details
    ISSN: 1460-9568
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Our previous data based on an imaging study suggested that, in cat area 17, the representations of cardinal orientations overlap less than the representation of their nearby angles. The purpose of this study was to further investigate the underlying single-cell properties. Optical imaging was performed first to map the cortical regions corresponding to the four principal contours, the two cardinals and the two obliques. The cortical region activated by a principal orientation but not by the +10° or −10° neighbouring angles, namely the area with optically relative independent orientation selectivity (RIOS), was mapped together with the regions that overlapped with the +10° and/or −10° neighbouring angles (non-RIOS). Electrode penetrations were targeted to the RIOS and non-RIOS regions in each of the four orientations. A comparison between the RIOS and the non-RIOS regions documented a significantly higher percentage of cells with the orientation preference of the cardinal orientations in the cardinal RIOS region than that seen in the other regions. Additionally, the difference in the tuning width of cells between the RIOS and non-RIOS in the cardinal region was significantly larger than the difference between the RIOS and non-RIOS in the oblique region. The cells in the cardinal RIOS region were tuned more sharply and the cells in cardinal non-RIOS region more broadly than the oblique RIOS and/or the non-RIOS region, which showed no significant difference. These data strongly suggest the existence of functional segregation in the region corresponding to the cardinal contours.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1460-9568.2004.03626.x
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  • 7
    Electronic Resource
    Electronic Resource
    Effect of Addition of Oxides on Low-Temperature Oxidation of Molybdenum Disilicide (2003)
    Westerville, Ohio : American Ceramics Society
    Journal of the American Ceramic Society 86 (2003), S. 0 
    Details
    ISSN: 1551-2916
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: A type of aluminosilicate that has a good wetting property for molybdenum disilicide (MoSi2) was added to a MoSi2 matrix to study the effects on the microstructure and low-temperature oxidation. It was found that the composites had not only good low-temperature oxidation resistance but also high thermal shock resistance when the added oxides formed a network microstructure in the matrix. There was no appreciable oxidation gain for MoSi2/oxide composites with a network microstructure at 773 K for 2500 h. The results indicate that microstructure design is a simple and effective solution to preventing the low-temperature oxidation of MoSi2.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1151-2916.2003.tb03365.x
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  • 8
    Electronic Resource
    Electronic Resource
    PH3/H2 plasma passivation of metal-organic chemical vapor deposition grown GaAs on Si (2000)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 88 (2000), S. 3689-3694 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Effects of PH3/H2 (PH3/H2=10%) plasma passivation of GaAs grown on Si substrate have been investigated in detail. It is observed that both the surface phosphidization and defect hydrogenation can be realized simultaneously with a reduced plasma-induced damage. The optical and electrical properties of GaAs on Si are effectively improved by PH3/H2 plasma exposure due to the passivation of bulk and surface defects-related nonradiative recombination centers by incorporation of hydrogen (H) and phosphorous (P) atoms. As a result, the PH3/H2 plasma exposed GaAs Schottky diodes on Si show an increase in the reverse breakdown voltage by a factor of about 1.6, and the as-passivated GaAs solar cell grown on Si shows an increase in the conversion efficiency from 15.9% to 18.6% compared to that of the as-grown samples. The passivated GaAs devices on Si show outstanding thermal stability, which is probably due to the active participation of both H and P atoms in the PH3/H2 plasma passivation process. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1288781
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  • 9
    Electronic Resource
    Electronic Resource
    Large second harmonic response in ZnO thin films (2002)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 80 (2002), S. 401-403 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The second-order susceptibilities in the ZnO films have been studied systemically. In very thin films, we observe an enhancement of second-order susceptibilities, which is larger than that of single-crystal ZnO. It was also observed that the second-order susceptibilities for ZnO films depend on the thickness but not on the film growth technique used (reactive sputtering or plasma-enhanced chemical vapor deposition). We suggest a mechanism to explain the reduction in the second-order susceptibilities of the thicker films. © 2002 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1435065
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  • 10
    Electronic Resource
    Electronic Resource
    Raman scattering and thermogravimetric analysis of iodine-doped multiwall carbon nanotubes (2002)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 80 (2002), S. 2553-2555 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Iodine-doped multiwall carbon nanotubes (I-MWNTs) were characterized by means of Raman scattering and thermogravimetric analysis. The results show that multiwall carbon nanotubes (MWNTs) can be effectively doped by iodine and exchange electrons with iodine. Iodine atoms form charged polyiodide chains inside tubes of different inner diameter, which is similar to the iodine-doped single-wall carbon nanotubes (I-SWNTs), but can not intercalate into the graphene walls of MWNTs. The Raman scattering behavior of I-MWNTs exhibits some differences from that of I-SWNTs and the low-dimensional conductive hydrocarbon-iodine complex "perylene⋅I2.92." © 2002 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1468269
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