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  • 1
    Electronic Resource
    Electronic Resource
    Evaluating the Arrhenius parameters for the autoxidation of organic compounds (1988)
    s.l. : American Chemical Society
    Industrial & engineering chemistry research 27 (1988), S. 2232-2237 
    Details
    ISSN: 1520-5045
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ie00084a007
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  • 2
    Electronic Resource
    Electronic Resource
    Arrhenius parameters for the autoxidation of solid organic compounds (1990)
    s.l. : American Chemical Society
    Industrial & engineering chemistry research 29 (1990), S. 329-333 
    Details
    ISSN: 1520-5045
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ie00099a004
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  • 3
    Electronic Resource
    Electronic Resource
    Transformation efficiencies and expression patterns of a series of truncated GS1-2 promoter/GUS transgenes in maize (2003)
    Oxford, UK : Munksgaard International Publishers
    Physiologia plantarum 118 (2003), S. 0 
    Details
    ISSN: 1399-3054
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: One isoform of maize glutamine synthetase, encoded by GS1-2, is localized exclusively in the maternal tissues of the developing kernel. Previously, we have demonstrated the ability of the proximal 664 base pair 5′ upstream portion of GS1-2 to drive maternal tissue-specific GUS expression in transgenic maize kernels (Muhitch et al. Plant Sci. 163: 865–872). In this report, a series of GS1-2 promoter/GUS reporter transgenes, progressively truncated from the 5′ end of the full length 664 base pair promoter, were evaluated for transformation efficiency and their ability to drive tissue-specific gene expression in transgenic maize. Analysis of transgene integration and expression suggests that GS1-2/GUS transgenes were incorporated efficiently into the maize genome, but were not expressed efficiently in maize cells. Truncation of the promoter from −664 to −394, −206 or −72, relative to the putative transcription start site, resulted in the loss of tissue specific expression within the kernels of transformed plants. Among the truncated series, moderate staining was exhibited by the −394 promoter/GUS gene transformants, stronger staining was found in −206 promoter/GUS gene transformants, but relatively weak and variable staining occurred in plants transformed with the −72/GUS gene. Likely explanations for these observations are considered.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1034/j.1399-3054.2003.00122.x
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  • 4
    Electronic Resource
    Electronic Resource
    Statistical Inference in Single-Index and Partially Nonlinear Models (1997)
    Springer
    Annals of the Institute of Statistical Mathematics 49 (1997), S. 493-517 
    Details
    ISSN: 1572-9052
    Keywords: Asymptotic normality ; semiparametric single-index regression model ; finite series approximation ; partially nonlinear model
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract A finite series approximation technique is introduced. We first applythis approximation technique to a semiparametric single-index model toconstruct a nonlinear least squares (LS) estimator for an unknown parameterand then discuss the confidence region for this parameter based on theasymptotic distribution of the nonlinear LS estimator. Meanwhile, acomputational algorithm and a small sample study for this nonlinear LSestimator are developed. Additionally, we apply the finite seriesapproximation technique to a partially nonlinear model and obtain some newresults.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1003118812392
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  • 5
    Electronic Resource
    Electronic Resource
    Preparation and Characterization of Surface Modification of Sphalerite Concentrate with Sodium Lignosulfonate (2008)
    s.l. ; Stafa-Zurich, Switzerland
    Advanced materials research Vol. 58 (Oct. 2008), p. 91-96 
    Details
    ISSN: 1662-8985
    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 order to prevent sphalerite particles from coming together in leaching solution, and to reduce the loss of organic solvent, the surface modification of sphalerite concentrate with sodium lignosulfonate was investigated. The modified sphalerite concentrate particles were characterized by dispersion experiments, determination of adsorption rate of oil, determination of contact angle, FT-IR spectra and X-ray photoelectron spectra. The results showed that the modified sphalerite concentrate particles exhibited good dispersibility in water. The sedimentation volume reduced from 0.85 ml•g-1 to 0.61 ml•g-1. The adsorption rate of oil reduced from 0.15 ml•g-1 to 0.06 ml•g-1. The contact angle between sphalerite concentrate particles and water changed from 86.9˚ before modification to 32.7˚ after modification with sodium lignosulfonate. The checking results of FT-IR and XPS spectra indicated that some modification regents were coated on the particle surface. The modifier combined to sphalerite concentrate particle surface through the chemical bond, resulting in the comprehensive stability action of static and steric effect
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/41/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.58.91.pdf
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  • 6
    Electronic Resource
    Electronic Resource
    Kinematic Modeling and Error Analysis for a 3DOF Parallel-Link Coordinate Measuring Machine (2006)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 532-533 (Dec. 2006), p. 313-316 
    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: First, the forward kinematic model, the inverse kinematic model and the error model of akind of coordinate measuring machine (CMM) using 3-DOF parallel-link mechanism are establishedbased on the spatial mechanics theory and the total differential method, and the error model is verifiedby computer simulation. Then, the influence of structural parameter errors on probe position errors issystematically considered. This research provides an essential theoretical basis for increasing themeasuring accuracy of the parallel-link coordinate measuring machine. It is of particular importanceto develop the prototype of the new measuring equipment
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/14/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.532-533.313.pdf
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  • 7
    Electronic Resource
    Electronic Resource
    Orientation Structure and Mechanical Properties of Polyacrylonitrile Precursors (2006)
    s.l. ; Stafa-Zurich, Switzerland
    Advanced materials research Vol. 11-12 (Feb. 2006), p. 383-386 
    Details
    ISSN: 1662-8985
    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: The microstructure of the polyacrylonitrile (PAN) precursors can strongly affect thestructure of the carbon fibers which determine the final mechanical properties of carbon fibers. Theorientation factors ( n f [removed info] ) of PAN precursors under different draw ratios were characterized by thebirefringence ( [removed info]n f ), which was obtained through polarized microscopy. The results show that theincreasing of the draw ratio may enhance the degree of orientation, which can correspondinglyimprove the mechanical properties. However the increasing speed of the orientation factor slowsdown as the draw ratio reached to 8
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/39/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.11-12.383.pdf
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  • 8
    Electronic Resource
    Electronic Resource
    Rheological Behavior of Polyacrylonitrile Solution (2006)
    s.l. ; Stafa-Zurich, Switzerland
    Advanced materials research Vol. 11-12 (Feb. 2006), p. 403-406 
    Details
    ISSN: 1662-8985
    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: The rheological properties and viscoelasticity of PAN/DMSO solutions were studied bymeans of revolving rheometer under the scan modes of steady shear rate and dynamic frequency.The effects of shear rate and temperature of PAN/DMSO solution on its Non-Newtonian viscousindex, zero shear viscosity, activation energy of viscous flow and modulus of the solutions werestudied. It was found that PAN/DMSO solution is a kind of pseudoplastic fluid. And the moretemperature of solution, the less Non-Newtonian viscous index at steady experiment curve, the lessthe loss modulus and storage modulus of solution at dynamics experiment curve. In addition, theliquidity and spinnability of the solution also increased when the temperature went up
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/39/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.11-12.403.pdf
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  • 9
    Electronic Resource
    Electronic Resource
    Hemp Fiber Reinforced Unsaturated Polyester Composites (2006)
    s.l. ; Stafa-Zurich, Switzerland
    Advanced materials research Vol. 11-12 (Feb. 2006), p. 521-524 
    Details
    ISSN: 1662-8985
    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: Non-woven hemp fiber mat has been used to reinforce unsaturated polyester to makenatural fiber composites. Thermal properties of the hemp fiber mat were investigated to discover therange of heat treatment temperatures suitable for the hemp fiber mat. Loss of weight during heattreatment and absorption of moisture from the environment during storage of the hemp fiber mat werealso studied. Both hand lay-up technique and compression molding were used to make hemp matcomposites. Due to the low fiber fraction, no significant reinforcing effect was found in the compositemade by the hand lay-up technique. The effects of heat treatment of fibers, water content in the fibers,fiber fraction, and manufacture methods on tensile properties of the resulted composites wereinvestigated. Hemp mat composites with tensile strength and modulus comparable to those of [±45°]4glass fiber reinforced polyester were achieved by compression molding at a molding pressure of2MPa
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/39/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.11-12.521.pdf
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  • 10
    Electronic Resource
    Electronic Resource
    On asymptotically efficient estimation for a semiparametric regression model (1997)
    Springer
    Acta mathematicae applicatae sinica 13 (1997), S. 302-313 
    Details
    ISSN: 1618-3932
    Keywords: Asymptotically efficient estimation ; adaptive estimation ; semiparametric regression model
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract Consider the modelY=X τ β+g(T)+ε. Hereg is a smooth but unknown function,β is ak×1 parameter vector to be estimated andε i is an random error with mean 0 and varianceσ 2. The asymptotically efficient estimator ofβ is constructed on the basis of the modelY i=X τ i β+g(T i)+ε i,i=1, ...,n, when the density functions of (X,T) andε are known or unknown. Finally, an asymptotically normal estimator ofσ 2 is given.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02025885
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