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Mostrando 241 - 260 Resultados de 2,617 Para Buscar '"reaction rate"', tiempo de consulta: 0.32s Limitar resultados
  1. 241
    “…Application of RF radiation (2 or 4 W power) to resting cells prior to Pd(II) exposure affected the catalyst made subsequently, increasing the reaction rate by 50% as compared to untreated cells, while nearly doubling selectivity for cis 2‐pentene. …”
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  2. 242
    “…The use of experiments with modulated and constant reaction rate (CRR) temperature programs made it possible to employ another approach too, when the preexponential factor was allowed to vary from experiment to experiment. …”
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  3. 243
  4. 244
    “…The kinetics, degradation mechanism and degradation pathways of atrazine (ATZ) during sole-UV and UV/H(2)O(2) processes under various pH conditions were investigated; the effects of UV irradiation time and H(2)O(2) dose were also evaluated. A higher reaction rate was observed under neutral pH conditions in the UV only process. …”
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  5. 245
    por Tsai, Chia-Feng, Wen, I-Jyh
    Publicado 2022
    “…Unlike traditional concrete building materials, the polymerization of resins requires initiators to support the required energy to drive the reaction or reduce the polymerization threshold, which shows a high reaction rate and low energy consumption in the polymerization process. …”
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  6. 246
    “…Moreover, for PVDF/BFO, which does not exhibit photocatalytic activity, under the combined action of light and ultrasound, the reaction rate increases by about 3× under UV irradiation and by about 6× under visible light irradiation. …”
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  7. 247
    “…After literature screening, data extraction and quality evaluation, effective rate, recurrence rate, pregnancy rate and adverse reaction rate were used as outcome indicators to evaluate the efficacy and safety of drugs. …”
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  8. 248
    “…The usual Flame Surface Density (FSD) and scalar dissipation rate (SDR) based reaction rate closures do not adequately predict the mean reaction rate of reaction progress variable in the near-wall region for both simple and detailed chemistry simulations. …”
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  9. 249
    “…The idea of using colliding beams for fusion is nearly as old as is the interest in fusion as a source of power, but the problems of low reaction rate and high Coulomb scattering initially seemed insurmountable. …”
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  10. 250
    por Wang, Hongjun, Zhao, Fengyu
    Publicado 2007
    “…The presence of CO(2) increases the reaction rate and several parameters have been discussed.…”
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  11. 251
    “…The acid–rock reaction kinetics experiment shows that the order of activation energy is ethyl acetate > acetic anhydride > cross-linked acid. The reaction rate is arranged as follows: ethyl acetate < acetic anhydride ≪ cross-linked acid. …”
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  12. 252
    “…After 100 min, the rhodamine B (RhB) degradation degrees of PT, 150%TiO(2)/Mus and 1-ATM are 10.4%, 48.6% and 90.6%, respectively. The first-order reaction rate constant of 1-ATM reaches 0.0225 min(−1), which is 25 times higher than that of pure TiO(2).…”
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  13. 253
    “…For exogenous photopolymerization, the light-mediated free-radical polymerization of sodium 4-styrenesulfonate induces a 2.7-fold increase in the reaction rate with the protection of a confined environment. …”
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  14. 254
    por Kügler, Philipp
    Publicado 2012
    “…The inference of reaction rate parameters in biochemical network models from time series concentration data is a central task in computational systems biology. …”
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  15. 255
    “…The two systems had similar overall premedication rates (91% and 95%) but the current system was associated with a significantly higher corticosteroid premedication rate (65% vs. 14%), which significantly reduced the breakthrough reaction rate (6.7% vs. 15.2%). The current system was also associated with increased corticosteroid and antihistamine premedication of patients with a mild index reaction (61% vs. 7%) and a reduction in their breakthrough reaction rate (6% vs. 15%). …”
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  18. 258
    “…Furthermore, the forward CK reaction rate constant (k(f)) was higher in diabetic animals (0.52 ± 0.09 s(−1) vs. 0.35 ± 0.06 s(−1), P < 0.01) and CK flux calculated as a product of PCr concentration ([PCr]) and k(f) was similar between two groups (4.32 ± 1.05 μmol/g/s vs. 4.94 ± 1.23 μmol/g/s, P = 0.20). …”
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  19. 259
    “…We determined the reaction rate constant, k = 1.61 M(-1)s(-1) ± 0.708 M(-1)s(-1) (SE), of the oxidation of ascorbate which was modeled following a second order rate equation. …”
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  20. 260
    “…Then, curative effects, survival rate, living quality and adverse reaction rate after operation were compared between two groups. …”
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