نتایج جستجو برای: isothermal kinetics

تعداد نتایج: 110107  

In the present research, the primary crystallization kinetics of the amorphous Fe85.3B11P3Cu0.7 alloy was analyzed using non-isothermal DSC measurements. The average and local activation energies, Ea, were determined by different isokinetic and isoconversional methods. The results obtained for activation energy in this research, show that due to the complexity of the primary crystallization pro...

2014
Zong Meng Lijun Yang Wenxin Geng Yubo Yao Xingguo Wang Yuanfa Liu

The isothermal and nonisothermal crystallization kinetics of monoglyceride (MAG) organogels were studied by pulsed nuclear magnetic resonance (pNMR) and differential scanning calorimetry (DSC), respectively. The Avrami equation was used to describe the isothermal crystallization kinetics and experimental data fitted the equation fairly well. Results showed that the crystal growth of MAG organog...

Journal: :Applied biochemistry and biotechnology 2003
Suzanne L Stuhler Charles E Wyman

A combined heat transfer/kinetic model was developed to quantify temperature variations in small tubular batch reactors and estimate the effect of deviations from isothermal operation on the kinetics of biomass pretreatment. Assuming that heat transfer was dominated by conduction in the radial direction, a classic parabolic time-dependent partial differential equation was applied to describe th...

Journal: :Journal of Analytical and Applied Pyrolysis 2022

The increasing significance of biomass in attaining ultimate sustainability a multitude vectors demands deeper understanding its underlying components. pyrolytic breakdown cellulose, major component, has been subject intense research since the 1950 s, and despite significant carried out published thus far, kinetics cellulose degradation continue to be source debate. Herein, this work investigat...

Journal: :IOP Conference Series: Materials Science and Engineering 2019

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