Mostrando 1,921 - 1,940 Resultados de 1,940 Para Buscar '"Dynamics (mechanics)"', tiempo de consulta: 1.45s Limitar resultados
  1. 1921
    “…Rubber–filler and filler–filler interactions of uncured and cured silica-filled SBR/BR blends were characterized by using rubber layer L concept and dynamic mechanical analysis, whereas mechanical properties were studied by tensile test and Shore A hardness. …”
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  2. 1922
    “…Polymers are characterized using spectroscopies, size-exclusion chromatography (SEC), thermal gravimetric analysis (TGA), differential scanning calorimetry (DSC) and dynamic mechanical thermal analysis (DMTA). They are amorphous, with two glass transition temperatures (∼−51 °C for PDL; +138 °C for PE), and block phase separation is confirmed using small angle X-ray scattering (SAXS). …”
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  3. 1923
    “…The tumor microenvironment (TME) has important effects on the tumorigenesis and development of osteosarcoma (OS). However, the dynamic mechanism regulating TME immune and matrix components remains unclear. …”
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  4. 1924
    “…Although two typical cyclic and linear RGD short peptides have been widely used in tumor diagnosis and therapy, little is known about the internal dynamic mechanism for different configurations of RGD peptides with different affinities interacting with the integrin α(v)β(3). …”
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  5. 1925
  6. 1926
    “…Then, the setup was modified to allow sinusoidal loading under dynamic mechanical analysis (DMA) conditions. The remaining eight knee joints were exposed to 10 frequencies ranging from 0.1 to 5 Hz at a static load of 1210 N and a superimposed sinusoidal load of 910 N (2.12 times body weight). …”
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  7. 1927
  8. 1928
    “…We provide thorough characterization of the effect of pH, effect of salts and protein conformation on self-assembled collagen samples via several complementary biophysical techniques, including circular dichroism (CD), Fourier Transform infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), atomic force microscopy (AFM), scanning electron microscopy (SEM), dynamic mechanical thermal analysis (DMTA) and thermogravimetric analysis (TGA). …”
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  9. 1929
    “…These cells receive promoting and inhibitory signals that depend on the nature of their environment (their niche) and determine cell dynamics. Mechanical stresses are crucial to the initiation and interpretation of these signals. …”
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  10. 1930
    “…This study aims to unearth new knowledge concerning the dynamic behaviour of human subchondral bone and how energy is transferred through the cartilage-bone interface. METHODS: Dynamic mechanical analysis was used to determine the frequency-dependent (1–90 Hz) viscoelastic properties of the osteochondral unit (cartilage-bone system) as well as isolated cartilage and bone specimens extracted from human femoral heads obtained from patients undergoing total hip replacement surgery, with a mean age of 78 years (N = 5, n = 22). …”
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  11. 1931
    “…Lung-protective ventilation was defined as the combined target of tidal volume <8 ml per kg of ideal body weight, dynamic driving pressure <15 cmH(2)O, peak pressure <30 cmH(2)O, peripheral oxygen saturation ≥88% and dynamic mechanical power <17 J/min. RESULTS: Forty COVID-19 ARDS patients, accounting for 1,048,630 minutes (728 days) of cumulative mechanical ventilation, allocated to either closed-loop (n = 23) or conventional ventilation (n = 17), presenting with a median paO(2)/ FiO(2) ratio of 92 [72-147] mmHg and a static compliance of 18 [11-25] ml/cmH(2)O, were mechanically ventilated for 11 [4-25] days and had a 28-day mortality rate of 20%. …”
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  12. 1932
    “…Total, tidal, resistive and elastic-dynamic mechanical power were calculated from the flow, pressure and volume signals (200 Hz) for each inflation. …”
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  13. 1933
    “…Its internal consistency ranged from 0.70 to 0.80 considering the total score and the thermic, static and dynamic mechanic subdomains. The total score presented excellent reliability (ICC: 0.85) with a standard error of measurement of 1.15 points and smallest detectable change of 3.40 points. …”
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  14. 1934
    “…The mechanical properties of the mats (dynamic mechanical analysis, DMA, and tensile properties) were evaluated with the samples positioned both in the direction (dir) of and in opposition (op) to the alignment of the nano and ultrathin fibers, which can be considered a novelty in the analysis of this type of material. …”
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  15. 1935
  16. 1936
    “…The Raman spectroscopy fingerprint results of relevant biomarkers in conjugation with multivariable analysis and biological action targets suggested by differential genes interpret the heterogeneity of the internal environment of mature hippocampal neurons in the process of maturation, open a new idea for exploring the dynamic mechanism of the exchange energy metabolism of information molecules in the internal environment of hippocampal neurons, and provide a new method for studying this process.…”
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  17. 1937
    “…The tumor microenvironment (TME) is well known to play a vital role in the onset and progression of SKCM. However, the dynamic mechanisms of immune regulation are insufficient. …”
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  18. 1938
    por De Pinho Oliveira, Goncalo
    Publicado 2018
    “…Alongside with their interesting applicability, these materials provide a fertile playground for fundamental physics, where (the potential) frustration, local distortions, local range order, and dynamic mechanisms are yet to be fully understood. Here, the tetragonally distorted CdMn2O4 spinel manganite was studied trough atomic scale prob- ing of the electric field gradient. …”
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  19. 1939
  20. 1940
    “…The objective of the present study is to determine the effects of dynamic mechanical ACL graft tension or load on graft-tunnel incorporation. …”
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