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  • 2005-2009  (5)
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Material
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Serial Simulation of Ceramic Grain Growth Based on Ternary-Tree Structure and Space Partition (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 336-338 (Apr. 2007), p. 2536-2539 
    Details
    ISSN: 1013-9826
    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: An improved serial computation method is proposed for simulating ceramic grain growth at anatomic scale. The data structure of a ternary tree is used to store orderly the atomic information and speedup the editing of data. Combining with the idea of space partition, an index for space searching isestablished to reduce the computation time. Simulation results demonstrate that the speed of the serialcomputation is increased significantly and simulated images are in good agreement with micrographs ofpractical ceramics. It is illustrated that kinetic exponents and fractal dimensions during the simulation ofgrain growth are also reasonable in compare with quantitative analyses
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/54/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.336-338.2536.pdf
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Thermal Conductivity of Polyimide/Carbon Nanofiller Blends (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 334-335 (Mar. 2007), p. 749-752 
    Details
    ISSN: 1013-9826
    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: In efforts to improve the thermal conductivity (TC) of Ultem™ 1000, it was compoundedwith three carbon based nano-fillers. Multiwalled carbon nanotubes (MWCNT), vapor grown carbonnanofibers (CNF) and expanded graphite (EG) were investigated. Ribbons were extruded to formsamples in which the nano-fillers were aligned. Samples were fabricated by compression moldingwhere the nano-fillers were randomly oriented. The thermal properties were evaluated by DSC andTGA, and the mechanical properties of the aligned samples were determined by tensile testing. Thedegree of dispersion and alignment of the nanoparticles were investigated with high-resolutionscanning electron microscopy. The thermal conductivity was measured in two directions using theNanoflash technique
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/53/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.334-335.749.pdf
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Parallel Simulation of Ceramic Grain Growth on the Platform of MPI (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 336-338 (Apr. 2007), p. 2490-2492 
    Details
    ISSN: 1013-9826
    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: A computation method for parallel simulations of ceramic grain growth at an atomic scale in aPC cluster is proposed, by combining the Message Passing Interface (MPI) with the serial simulation ofgrain growth. A parallel platform is constructed for the simulation of grain growth with program modulesof grain assignments, grain growth, data exchanges and boundary settlements, which are coded withMicrosoft Visual C++ 6.0 and MPICH. Quantitative results show that the computing speed of parallelsimulations with this platform is obviously increased compared with that of serial simulations. Such acomputing mode of grain growth is in good agreement with practical situations of ceramic grain growth
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/54/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.336-338.2490.pdf
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Interleukin-19 upregulates keratinocyte growth factor and is associated with psoriasis (2005)
    Oxford, UK : Blackwell Science Ltd
    British journal of dermatology 153 (2005), S. 0 
    Details
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background  Interleukin (IL)-19, a member of the IL-10 family, signals through the IL-20R1/IL-20R2 heterodimer, which is shown to be involved in abnormal keratinocyte differentiation and proliferation. Little is known about its in vitro biological functions or its role in psoriasis.Objectives  To investigate the role of IL-19 in the psoriatic process.Methods  The expression of keratinocyte growth factor (KGF) transcripts was measured by polymerase chain reaction in CD8+ T cells treated with IL-19. Next, we developed monoclonal and polyclonal antibodies to measure the levels of IL-19 in the sera of patients with psoriasis and healthy volunteers using an enzyme-linked immunosorbent assay. In addition, we performed immunohistochemical staining on psoriatic skin and normal controls.Results  We found that IL-19 upregulated KGF transcripts on CD8+ T cells. Patients with psoriasis had a lower level of IL-19 in serum than healthy volunteers. The difference between these two groups was statistically significant (P 〈 0·05). IL-19 expression was seen in basal and suprabasal keratinocytes in a continuous pattern, and was increased in psoriatic epidermis.Conclusions  These results suggest that IL-19 plays a role in the complex pathological cytokine network in psoriasis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2133.2005.06665.x
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Measurement of Strain Induced by Impact with Fiber Bragg Grating (2008)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 381-382 (June 2008), p. 435-438 
    Details
    ISSN: 1013-9826
    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: After deriving the propagation formula of stress wave through incident bar, the measuredsignals both in horizontal impact test and drop impact tests are investigated with novel fiber Bragggrating sensors(FBGs). Especially those strain signals from FBGs which mounted on the surface of anincident bar are studied. The signals in impactor and the FBGs embedded in the composite materialunder similar test condition are compared. The dropping and impacting models have been setup. Theexperiment data measured in a lab are analyzed both in time-domain and in frequency domain. Thoseultra-high frequency components in the above strain signals can not be obtained by current FBGmeasurement system due to frequency limit of the demodulation system. Further study to improve thefrequency of demodulation system will be done in next step
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/57/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.381-382.435.pdf
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    Paper (German National Licenses)
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