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Mostrando 281 - 300 Resultados de 2,617 Para Buscar '"reaction rate"', tiempo de consulta: 0.79s Limitar resultados
  1. 281
    por Shimamoto, Nobuo
    Publicado 2021
    “…When a reaction is accompanied by a change with the speed close to or slower than the reaction rate, a circulating reaction flow can exist among the reaction states in the macroscopic stationary state. …”
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    The Limitation of the Combination of Transition State Theory and Thermodynamics for the Reactions of Proteins and Nucleic Acids
  2. 282
    “…The forward to reverse reaction rate constants ratio was ca. 1.6.…”
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    Observation of glucose-6-phosphate anomeric exchange in real-time using dDNP hyperpolarised NMR
  3. 283
    “…The products of these two reactions, proline and a tetrahydroisoquinoline, respectively, are capable of reciprocal reaction rate enhancement. Detailed kinetic studies of the system and seeding experiments support the cross-catalytic relationship in the reaction network.…”
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    Organocatalyst based cross-catalytic system
  4. 284
    “…Resonances just above the proton threshold in $^{30}$S affect the $^{29}$P$(p,\gamma)^{30}$S reaction under astrophysical conditions. The ($p,\gamma$)-reaction rate is currently determined indirectly and depends on the properties of the relevant resonances. …”
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    Proton and $\gamma$- partial widths of astrophysically important states of $^{30}$S studied by the $\beta$-delayed decay of $^{31}$Ar
  5. 285
    “…We study theeffects of chiral symmetry restoration in the light quark sector on thisprocess and obtain a critical enhancement of the reaction rate at the chiral/deconfinement transition. …”
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    Dyson-Schwinger Equation Approach to the QCD Deconfinement Transition and $J/\Psi$ Dissociation
  6. 286
    por Sako, Yasushi
    Publicado 2006
    “…This continuously improving technique allows the measurement of non-invasively quantitative parameters of intracellular reactions, such as the number of molecules, reaction rate constants and diffusion coefficients with spatial distributions and temporal fluctuations. …”
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    Imaging single molecules in living cells for systems biology
  7. 287
    “…The microreactor technology is proven to be a powerful tool for the preparation of cyclic carbonates with an improved reaction rate and a wide substrate scope.…”
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    Highly efficient conversion of CO(2) to cyclic carbonates with a binary catalyst system in a microreactor: intensification of “electrophile–nucleophile” synergistic effect
  8. 288
    “…Though notable changes have been made to improve the reaction rate and yield of MBH adduct by various groups, a reliable synthetic procedure under ambient temperature in presence moisture and air is remain unsolved. …”
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    Remarkable influence of microwave heating on Morita-baylis-Hillman reaction in PEG-200
  9. 289
    “…Maximum reduction of organic content was observed at the normal pH value of the wastewater (pH = 6.8). The reaction rate was significantly enhanced in presence of hydrogen peroxide. …”
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    Preliminary study on optimization of pH, oxidant and catalyst dose for high COD content: solar parabolic trough collector
  10. 290
    “…OBJECTIVE: To evaluate the prevalence of and factors associated with latent tuberculosis infection (LTBI) based on the tuberculin skin test (TST) and to estimate the boosted reaction rate among newly employed healthcare workers (HCWs). …”
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    Tuberculin Skin Test and Boosted Reactions among Newly Employed Healthcare Workers: An Observational Study
  11. 291
    por Roh, Min K, Eckhoff, Philip
    Publicado 2014
    “…In addition, computational complexity does not scale linearly with the number of unknown parameters; all reaction rate parameters are updated concurrently at the end of each iteration in SParSE. …”
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    Stochastic parameter search for events
  12. 292
    “…By adding 1% (w/w) of lecithin to the reaction with Novozym 435 and raw glycerol, the reaction rate was considerably increased from 41.7 to 52.8% DAG at 24 h.…”
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    Solvent-Free Lipase-Catalyzed Synthesis of Diacylgycerols as Low-Calorie Food Ingredients
  13. 293
    por Gatenby, Robert, Frieden, B. Roy
    Publicado 2016
    “…When the K-L ‘distance’ between interspersed substrate p(n) and enzyme r(n) positions is minimized, the information state, reaction probability, and reaction rate are maximized. The latter obeys the Arrhenius equation, which we show can be derived from the geometrical principle of minimum K-L distance. …”
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    Investigating Information Dynamics in Living Systems through the Structure and Function of Enzymes
  14. 294
    “…The influence of the pH value on the initial reaction rate was studied in the range of pH 5.8–8.2. …”
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    EC-QCL mid-IR transmission spectroscopy for monitoring dynamic changes of protein secondary structure in aqueous solution on the example of β-aggregation in alcohol-denaturated α-chymotrypsin
  15. 295
    “…The aim of this study was to quantify the control of P(H(2)) on reaction rates of specific fermentation pathways, methanogenesis and NADH oxidation in rumen microbes. …”
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    Thermodynamic Driving Force of Hydrogen on Rumen Microbial Metabolism: A Theoretical Investigation
  16. 296
    “…CBT-Cys click condensation reaction has a high second-order reaction rate constant and has found wide applicability in recent years. …”
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    Mechanistic study of CBT-Cys click reaction and its application for identifying bioactive N-terminal cysteine peptides in amniotic fluid
  17. 297
    por Sun, Yan, Zhang, Jinping, Chen, Yuanyuan
    Publicado 2017
    “…Extracted data included the total effective rate, helicobacter pylori eradication rates, recurrence rate, and adverse reaction rate. Fifty-eight randomised controlled trials involving 5192 patients were included in the final analysis. …”
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    Efficacy and safety of Jianzhong decoction in treating peptic ulcers: a meta-analysis of 58 randomised controlled trials with 5192 patients
  18. 298
    “…We demonstrated that the reaction rate for CO dissociation critically depends on the presence and topology of interstitial C atoms close to the active site. …”
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    Quantum-Chemical DFT Study of Direct and H- and C-Assisted CO Dissociation on the χ-Fe(5)C(2) Hägg Carbide
  19. 299
    “…The effects of solvents, enzyme loading, reaction temperature, and substrate molar ratio on the reaction rate were investigated. In one-factor-at-a-time (OFAT) experiments, a high reaction rate (30.6 × 10(−3) M·min(−1)) of KAD synthesis was recorded using acetone, enzyme loading of 1.25% (w/v), reaction time of 12 h, temperature of 50 °C and substrate molar ratio of 5:1. …”
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    Kinetics and Optimization of Lipophilic Kojic Acid Derivative Synthesis in Polar Aprotic Solvent Using Lipozyme RMIM and Its Rheological Study
  20. 300
    por Dvořáčková, Olga, Chval, Zdeněk
    Publicado 2020
    “…However, as the water solvent dampened electrostatic interactions, 2200 and 150 times differences in the reaction rate were observed between the most and the least reactive mono-substituted complexes in the gas phase and the water solvent, respectively. …”
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    Tuning the Reactivity and Bonding Properties of Metal Square-Planar Complexes by the Substitution(s) on the Trans-Coordinated Pyridine Ring
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