Relevant bibliographies by topics / Hoffman-Weeks

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  2. Dissertations / Theses
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Academic literature on the topic 'Hoffman-Weeks'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Hoffman-Weeks"

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Mohammadi, H., M. Vincent, and H. Marand. "Investigating the equilibrium melting temperature of linear polyethylene using the non-linear Hoffman-Weeks approach." Polymer 146 (June 2018): 344–60. http://dx.doi.org/10.1016/j.polymer.2018.05.049.

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Marand, Hervé, Jiannong Xu, and Srivatsan Srinivas. "Determination of the Equilibrium Melting Temperature of Polymer Crystals: Linear and Nonlinear Hoffman−Weeks Extrapolations." Macromolecules 31, no. 23 (1998): 8219–29. http://dx.doi.org/10.1021/ma980747y.

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Hao, Chao Wei, Qing Fang Ma, Zheng Wang, Jian Xiong Jiang, and Guo Qiao Lai. "Study on the Thermal Behaviors and the Morphology in PVP/ PA66 Blends." Advanced Materials Research 335-336 (September 2011): 916–20. http://dx.doi.org/10.4028/www.scientific.net/amr.335-336.916.

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In this paper, PA 66 were solution blended with poly(vinyl pyrrolidone)(PVP), an amorphous polar polyamide. The thermal behaviors and morphology in the blends of polyamides (PA66)) and PVP were investigated by WAXD, DSC, FT-IR and POM methods. The equilibrium melting temperatures for PA 66 in the blends were estimated based on the linear and non-linear Hoffman-Weeks (LHW and NLHW) extrapolative methods. The interaction mode between PVP and PA66 was investigated by FT-IR spectroscopy.
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GHORBANI, MOHAMMAD HOSSEIN, MEHRSIMA ABDOLLAHZADEH, MAHDI JAHANGIR BLOURCHIAN, Masomeh Fasihi, and Maryam Alizadeh. "WERDNIG HOFFMAN IN HETEROZYGOTE TWINS." Professional Medical Journal 19, no. 04 (2012): 581–84. http://dx.doi.org/10.29309/tpmj/2012.19.04.2252.

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Introduction: Spinal Muscular Atrophy (SMA) consists of three types of disease including Werdnig Hoffman (SMA type1) whichis an autosomal recessive degenerative motor neuron disease. These patients have abnormality in motor function of the muscles and will die inthe first few years of life. The genetic locuses of all three types of SMA are on the chromosome numbers and a deletion in locus 5q11-q13 willresult in a variety of this disease. Case Report: heterozygous twin infants (boy and girl) were born from relative parents admitted to the hospital,one in three days after another, with upper res
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Xu, Jun, Barbara Heck, Hai-Mu Ye, et al. "Stabilization of Nuclei of Lamellar Polymer Crystals: Insights from a Comparison of the Hoffman–Weeks Line with the Crystallization Line." Macromolecules 49, no. 6 (2016): 2206–15. http://dx.doi.org/10.1021/acs.macromol.5b02123.

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Toda, Akihiko, Ken Taguchi, Gaku Kono, and Koji Nozaki. "Crystallization and melting behaviors of poly(vinylidene fluoride) examined by fast-scan calorimetry: Hoffman-Weeks, Gibbs-Thomson and thermal Gibbs-Thomson plots." Polymer 169 (April 2019): 11–20. http://dx.doi.org/10.1016/j.polymer.2019.02.017.

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Chang, Robert, Roselyn Lata, and David Rohindra. "Miscibility Study of Poly(Butylene Succinate) and Pine-Gum Blends." Key Engineering Materials 735 (May 2017): 148–52. http://dx.doi.org/10.4028/www.scientific.net/kem.735.148.

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Miscibility between poly (butylene succinate) [PBS], a semi-crystalline polymer with a natural gum extracted from the pine tree (Pinus Caribaea – Hondurensis), was investigated in solution cast blends using Differential Scanning Calorimetry [DSC] and Fourier Transform Infrared Spectroscopy [FTIR]. The spherulite morphology of PBS in the blends was observed with polarized optical microscopy [POM]. Depression in the equilibrium melting temperature of PBS in the blends was determined using the Hoffman-Weeks plot method. The depression in the crystallization temperature of the blends with increasi
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8

Del Balso, Christopher, and E. Cafarelli. "Adaptations in the activation of human skeletal muscle induced by short-term isometric resistance training." Journal of Applied Physiology 103, no. 1 (2007): 402–11. http://dx.doi.org/10.1152/japplphysiol.00477.2006.

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This study employed longitudinal measures of evoked spinal reflex responses (Hoffman reflex, V wave) to investigate changes in the activation of muscle and to determine if there are “linked” neural adaptations in the motor pathway following isometric resistance training. Twenty healthy, sedentary males were randomly assigned to either the trained ( n = 10) or control group ( n = 10). The training protocol consisted of 12 sessions of isometric resistance training of the plantar flexor muscles over a 4-wk period. All subjects were tested prior to and after the 4-wk period. To estimate changes in
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Toda, Akihiko, Ken Taguchi, and Koji Nozaki. "Gibbs–Thomson, Thermal Gibbs–Thomson, and Hoffman–Weeks Plots of Polyethylene Crystals Examined by Fast-Scan Calorimetry and Small-Angle X-ray Scattering." Crystal Growth & Design 19, no. 4 (2019): 2493–502. http://dx.doi.org/10.1021/acs.cgd.9b00209.

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Brito, Ana C., Glória M. Vinhas, Yêda M. B. de Almeida, Renate M. R. Wellen, Eduardo L. Canedo, and Marcelo S. Rabello. "Efeito da adição de PHB na cristalização a frio do PET." Polímeros 22, no. 2 (2012): 111–16. http://dx.doi.org/10.1590/s0104-14282012005000016.

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O presente trabalho investigou o efeito da adição de baixas concentrações (0,5 e 1,0%) de poli(3-hidroxibutirato) (PHB) na cristalização isotérmica a frio do poli(tereftalato de etileno) (PET). As curvas de energia foram obtidas por calorimetria exploratória diferencial (DSC) e a cinética de cristalização foi analisada pelo método de Avrami. Dois estágios de cristalização foram observados. Os resultados mostraram que o PHB promove alterações na taxa de cristalização do PET, como verificado por mudanças nos tempos para se atingir 1, 10, 30, 50 e 99% de cristalinidade relativa. As energias de at
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Dissertations / Theses on the topic "Hoffman-Weeks"

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Xu, Jiannong. "Equilibrium Melting Temperature Determination of Semicrystalline Polymers through Nonlinear Hoffman-Weeks Extrapolation and Secondary Crystallization of Ethylene/Styrene Copolymers." Diss., Virginia Tech, 1999. http://hdl.handle.net/10919/40263.

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The applicability of the conventional Hoffman-Weeks (HW) linear extrapolation for the determination of the equilibrium melting temperatures of semicrystalline polymers is critically reviewed. It is shown that the linear extrapolation of observed melting temperatures cannot, in general, provide a reliable estimate of the equilibrium melting temperature. A more rigorous nonlinear HW analysis is proposed in this dissertation, which yields more accurate estimates of the equilibrium melting temperatures for semicrystalline polymers. The proposed nonlinear HW analysis is successfully applied to the
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Vincent, Matthew Ryan. "Crystallization and Melting Studies of Poly(ε-caprolactone) and Poly(ethylene oxide) using Flash™ Differential Scanning Calorimetry and Preparation and Characterization of Poly(δ-valerolactone) Fractions". Diss., Virginia Tech, 2019. http://hdl.handle.net/10919/101668.

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The isothermal crystallization and melting temperatures of poly(ε-caprolactone) were correlated using fast differential scanning calorimetry. The melting kinetics was found to be independent of isothermal crystallization temperature and time. The conventional Hoffman-Weeks method could not be used to determine the equilibrium melting temperature because the observed melting temperatures were greater than the crystallization temperatures by a constant, so the Gibbs-Thomson method was used instead, yielding an equilibrium melting temperature of 103.4 ± 2.3°C. A modification was proposed to the n
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Books on the topic "Hoffman-Weeks"

1

Seven weeks to a settled stomach: Free yourself from digestive pain forever with the Hoffman self-help program. Simon and Schuster, 1990.

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