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Journal articles on the topic 'Kinetic'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Yablonsky, Gregory, Daniel Branco, Guy Marin, and Denis Constales. "New Invariant Expressions in Chemical Kinetics." Entropy 22, no. 3 (2020): 373. http://dx.doi.org/10.3390/e22030373.

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This paper presents a review of our original results obtained during the last decade. These results have been found theoretically for classical mass-action-law models of chemical kinetics and justified experimentally. In contrast with the traditional invariances, they relate to a special battery of kinetic experiments, not a single experiment. Two types of invariances are distinguished and described in detail: thermodynamic invariants, i.e., special combinations of kinetic dependences that yield the equilibrium constants, or simple functions of the equilibrium constants; and “mixed” kinetico-t

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2

Saes, M., M. I. Mohamed Refai, B. J. F. van Beijnum, et al. "Quantifying Quality of Reaching Movements Longitudinally Post-Stroke: A Systematic Review." Neurorehabilitation and Neural Repair 36, no. 3 (2022): 183–207. http://dx.doi.org/10.1177/15459683211062890.

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Background Disambiguation of behavioral restitution from compensation is important to better understand recovery of upper limb motor control post-stroke and subsequently design better interventions. Measuring quality of movement (QoM) during standardized performance assays and functional tasks using kinematic and kinetic metrics potentially allows for this disambiguation. Objectives To identify longitudinal studies that used kinematic and/or kinetic metrics to investigate post-stroke recovery of reaching and assess whether these studies distinguish behavioral restitution from compensation. Met

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Romero-Franco, Natalia, María del Carmen Ortego-Mate, and Jesús Molina-Mula. "Knee Kinematics During Landing: Is It Really a Predictor of Acute Noncontact Knee Injuries in Athletes? A Systematic Review and Meta-analysis." Orthopaedic Journal of Sports Medicine 8, no. 12 (2020): 232596712096695. http://dx.doi.org/10.1177/2325967120966952.

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Background: Although knee kinematics during landing tasks has traditionally been considered to predict noncontact knee injuries, the predictive association between noncontact knee injuries and kinematic and kinetic variables remains unclear. Purpose: To systematically review the association between kinematic and kinetic variables from biomechanical evaluation during landing tasks and subsequent acute noncontact knee injuries in athletes. Study Design: Systematic review; Level of evidence, 2. Methods: Databases used for searches were MEDLINE, LILACS, IBECS, CINAHL, SPORTDiscus, SCIELO, IME, Sci

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Cardona, Manuel, Cecilia E. García Cena, Fernando Serrano, and Roque Saltaren. "ALICE: Conceptual Development of a Lower Limb Exoskeleton Robot Driven by an On-Board Musculoskeletal Simulator." Sensors 20, no. 3 (2020): 789. http://dx.doi.org/10.3390/s20030789.

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Objective: In this article, we present the conceptual development of a robotics platform, called ALICE (Assistive Lower Limb Controlled Exoskeleton), for kinetic and kinematic gait characterization. The ALICE platform includes a robotics wearable exoskeleton and an on-board muscle driven simulator to estimate the user’s kinetic parameters. Background: Even when the kinematics patterns of the human gait are well studied and reported in the literature, there exists a considerable intra-subject variability in the kinetics of the movements. ALICE aims to be an advanced mechanical sensor that allow

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L Salami, DO Olumuyiwa, EA Alfred, and OS Olakanmi. "Kinetic modelling of dumpsite leachate treatment using Musa sapientum peels as bio-sorbent." Global Journal of Engineering and Technology Advances 9, no. 2 (2021): 024–31. http://dx.doi.org/10.30574/gjeta.2021.9.2.0117.

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Kinetics models are very vital to dumpsite operators and planners as they provide relevant information for effective treatment of leachates. The aim of this work is to model the kinetic process of treatment of Lagos dumpsite leachate using Musa sapientum peels as bio-sorbent with a view of establishing the kinetic parameters of the treatment process. Musa sapientum peels which were collected from Ayetoro market in Epe Local Government area of Lagos State were used to prepare the bio-sorbent. Kinetic process was carried out using 1 g of the prepared bio-sorbent in 100 ml Lagos dumpsite leachate

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Liu, Zu Lan, Lan Qian Li, Yi Ping Liu, and Ming Lu. "Kinetic Study of the Adsorption of Dye onto Cotton in SDS-CTAB Reverse Micelles." Applied Mechanics and Materials 723 (January 2015): 591–95. http://dx.doi.org/10.4028/www.scientific.net/amm.723.591.

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Adsorption kinetic study of C.I. reactive blue 19 onto cotton was carried out in SDS-CTAB reverse micelles. The data of adsorption kinetics were examined using pseudo first-and second-order kinetic models. It was found that the adsorption kinetics of dye on cotton with diffusion controlling follows the pseudo first-order kinetic model.

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L, Salami, Olumuyiwa DO, Alfred EA, and Olakanmi OS. "Kinetic modelling of dumpsite leachate treatment using Musa sapientum peels as bio-sorbent." Global Journal of Engineering and Technology Advances 9, no. 2 (2021): 024–31. https://doi.org/10.5281/zenodo.5766273.

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Kinetics models are very vital to dumpsite operators and planners as they provide relevant information for effective treatment of leachates. The aim of this work is to model the kinetic process of treatment of Lagos dumpsite leachate using <em>Musa sapientum</em> peels as bio-sorbent with a view of establishing the kinetic parameters of the treatment process. <em>Musa sapientum </em>peels which were collected from Ayetoro market in Epe Local Government area of Lagos State were used to prepare the bio-sorbent. Kinetic process was carried out using 1 g of the prepared bio-sor

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8

Janssen, Ina, Jeremy M. Sheppard, Andrew A. Dingley, Dale W. Chapman, and Wayne Spratford. "Lower Extremity Kinematics and Kinetics When Landing From Unloaded and Loaded Jumps." Journal of Applied Biomechanics 28, no. 6 (2012): 687–93. http://dx.doi.org/10.1123/jab.28.6.687.

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Countermovement jumps loaded with a weighted vest are often used for the training of lower body power to improve jump performance. However, it is currently unknown how this added load affects the lower extremity kinematics and kinetics, in particular whether this results in an increased injury risk. Therefore, the purpose of this investigation was to determine how lower extremity kinematics and kinetics during landing are affected by loaded jumps as demonstrated in a volleyball block jump landing. Ten elite male volleyball players performed block jump landings in an unloaded and loaded (9.89 k

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9

Chan, T. W., G. D. Shyu, and A. I. Isayev. "Reduced Time Approach to Curing Kinetics, Part I: Dynamic Rate and Master Curve from Isothermal Data." Rubber Chemistry and Technology 66, no. 5 (1993): 849–64. http://dx.doi.org/10.5254/1.3538349.

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Abstract A reduced time approach has been used to predict nonisothermal curing kinetics based on isothermal kinetic data. This approach makes it clear that the conversion in a kinetic process is a function of the reduced time alone and allows for the construction of a master curve from isothermal kinetic data, indicating that the dynamic (or nonisothermal ) rate is equal to the isothermal rate. The approach can be applied to curing, crystallization, and other physico-chemical kinetics. A method is also described for correcting the nonisothermal curing kinetic data obtained from differential sc

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Hassan, Siti Roshayu, Yung-Tse Hung, Irvan Dahlan, and Hamidi Abdul Aziz. "Kinetic Study of the Anaerobic Digestion of Recycled Paper Mill Effluent (RPME) by Using a Novel Modified Anaerobic Hybrid Baffled (MAHB) Reactor." Water 14, no. 3 (2022): 390. http://dx.doi.org/10.3390/w14030390.

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The process kinetics of an anaerobic digestion process for treating recycled paper mill effluent (RPME) was investigated. A laboratory-scale modified anaerobic hybrid baffled reactor (MAHB) was operated at hydraulic retention times of 1, 3, 5, and 7 days, and the results were analyzed for the kinetic models. A kinetic study was conducted by examining the phase kinetics of the anaerobic digestion process, which were divided into three main stages: hydrolysis kinetics, acetogenesis kinetics, and methane production kinetics. The study demonstrated that hydrolysis was the rate-limiting step. The a

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Constales, Denis, Gregory Yablonsky, Yiming Xi, and Guy Marin. "Egalitarian Kinetic Models: Concepts and Results." Energies 14, no. 21 (2021): 7230. http://dx.doi.org/10.3390/en14217230.

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In this paper, two main ideas of chemical kinetics are distinguished, i.e., a hierarchy and commensuration. A new class of chemical kinetic models is proposed and defined, i.e., egalitarian kinetic models (EKM). Contrary to hierarchical kinetic models (HKM), for the models of the EKM class, all kinetic coefficients are equal. Analysis of EKM models for some complex chemical reactions is performed for sequences of irreversible reactions. Analytic expressions for acyclic and cyclic mechanisms of egalitarian kinetics are obtained. Perspectives on the application of egalitarian models for reversib

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Basheer Hasan, Diya'uddeen, Abdul Aziz Abdul Raman, and Wan Mohd Ashri Wan Daud. "Kinetic Modeling of a Heterogeneous Fenton Oxidative Treatment of Petroleum Refining Wastewater." Scientific World Journal 2014 (2014): 1–8. http://dx.doi.org/10.1155/2014/252491.

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The mineralisation kinetics of petroleum refinery effluent (PRE) by Fenton oxidation were evaluated. Within the ambit of the experimental data generated, first-order kinetic model (FKM), generalised lumped kinetic model (GLKM), and generalized kinetic model (GKM) were tested. The obtained apparent kinetic rate constants for the initial oxidation step (k2′), their final oxidation step (k1′), and the direct conversion to endproducts step (k3′) were 10.12, 3.78, and 0.24 min−1for GKM; 0.98, 0.98, and nil min−1for GLKM; and nil, nil, and >0.005 min−1for FKM. The findings showed that GKM is supe

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13

Mulokozi, Adolf M. "Kinetic parameters in heterogeneous kinetics." Thermochimica Acta 197, no. 2 (1992): 363–72. http://dx.doi.org/10.1016/0040-6031(92)85036-u.

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14

Mawase, Firas, Tamar Haizler, Simona Bar-Haim, and Amir Karniel. "Kinetic adaptation during locomotion on a split-belt treadmill." Journal of Neurophysiology 109, no. 8 (2013): 2216–27. http://dx.doi.org/10.1152/jn.00938.2012.

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It has been suggested that a feedforward control mechanism drives the adaptation of the spatial and temporal interlimb locomotion variables. However, the internal representation of limb kinetics during split-belt locomotion has not yet been studied. In hand movements, it has been suggested that kinetic and kinematic parameters are controlled by separate neural processes; therefore, it is possible that separate neural processes are responsible for kinetic and kinematic locomotion parameters. In the present study, we assessed the adaptation of the limb kinetics by analyzing the ground reaction f

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15

Yablonsky, Gregory S., Denis Constales, and Guy B. Marin. "Single-Route Linear Catalytic Mechanism: A New, Kinetico-Thermodynamic Form of the Complex Reaction Rate." Symmetry 12, no. 10 (2020): 1748. http://dx.doi.org/10.3390/sym12101748.

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For a complex catalytic reaction with a single-route linear mechanism, a new, kinetico-thermodynamic form of the steady-state reaction rate is obtained, and we show how its symmetries in terms of the kinetic and thermodynamic parameters allow better discerning their influence on the result. Its reciprocal is equal to the sum of n terms (n is the number of complex reaction steps), each of which is the product of a kinetic factor multiplied by a thermodynamic factor. The kinetic factor is the reciprocal apparent kinetic coefficient of the i-th step. The thermodynamic factor is a function of the

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16

Maitra, S., S. Mukherjee, N. Saha, and J. Pramanik. "Non-isothermal decomposition kinetics of magnesite." Cerâmica 53, no. 327 (2007): 284–87. http://dx.doi.org/10.1590/s0366-69132007000300011.

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Kinetics of thermal decomposition of Indian magnesite was studied by thermo-gravimetric analysis under non-isothermal condition. Coats and Redfern Integral approximation method was used to determine the kinetic parameters. Using the kinetic parameters different kinetic functions were analyzed with the experimental data to ascertain the decomposition mechanism of magnesium carbonate and it was observed that the decomposition reaction followed a contracting sphere kinetic mechanism.

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17

Shapiro, Bella L. "COSTUME AS A KINETIC CATEGORY." Articult, no. 2 (June 2025): 5–13. https://doi.org/10.28995/2227-6165-2025-2-5-13.

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The research focuses on the evolution of the kinetic approach to costume design. Movement as one of the most important means of artistic expression of costume is considered through the prism of interaction of kinetics with optical art, deconstructivism and technological art. Each episode of interaction assigned to one of the cultural-historical periods (1955–1970s, 1980–1990s, and 2000–2020s) when it was most active. The issue considered in the background of developments in the theory of kinetic garment construction and kinetic body theory. The result of the research is the conclusion: costume

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18

Wang, Xin, and Fengyu Wei. "Kinetic study of application of graphene oxide as a catalyst to accelerate extraction of total flavonoids from Radix Scutellaria." RSC Adv. 7, no. 74 (2017): 46894–99. http://dx.doi.org/10.1039/c7ra06183h.

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19

Liu, Tian Shu, Xiang Bao Chen, and Bao Yan Zhang. "Study on the Cure Kinetics of Middle Temperature Curing 3234 Epoxy Resin System." Materials Science Forum 475-479 (January 2005): 1041–44. http://dx.doi.org/10.4028/www.scientific.net/msf.475-479.1041.

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The cure kinetics of middle temperature curing 3234 epoxy resin was investigated under both isothermal and dynamic curing conditions by Differential Scanning Calorimetry (DSC) technique. The kinetic equations for isothermal and dynamic curing were established respectively by analyzing experimental data obtained from DSC . By following the temperature procedure of the standard cure cycle of the resin system, the validity of the cure kinetic equations was verified by means of determining the residual heat of reaction of samples from different stages of the cure cycle. Results showed that the cur

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20

Zhong, Wei, and Zhou Tian. "Application of Genetic Algorithm in Chemical Reaction Kinetics." Applied Mechanics and Materials 79 (July 2011): 71–76. http://dx.doi.org/10.4028/www.scientific.net/amm.79.71.

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In this paper, a summary of Genetic Algorithm methods developed recent years applied in chemical reaction kinetics was presented. The applications of the Genetic Algorithm in reduction of the chemical reaction kinetics, estimation of the chemical kinetic parameters and calculation of the chemical kinetic equations were expounded here. Eventually, the confronted problem and developing trend of the application of Genetic Algorithm methods in chemical kinetics were reviewed.

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21

Kim, Yongwook. "Effects of Foot-Toe Orthoses on Moment and Range of Motion of Knee Joint in Individuals with Hallux Valgus." Life 13, no. 5 (2023): 1162. http://dx.doi.org/10.3390/life13051162.

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Although various types of hallux valgus (HV) orthoses have been used to manage hallux valgus deformity, few previous studies have determined the biomechanical effects of applying a foot-toe orthosis as a therapeutic intervention for HV deformity on the kinetics and kinematics of the knee joint. Biomechanical variables were collected from 24 patients with HV. A three-dimensional motion capture system and force platforms were used to analyze the kinetic and kinematic variables in HV orthosis conditions during gait. To determine the biomechanical effect of each orthosis for HV on knee kinetic and

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22

Sihn, Sangwook, Gregory J. Ehlert, Ajit K. Roy, and Jonathan P. Vernon. "Identifying unified kinetic model parameters for thermal decomposition of polymer matrix composites." Journal of Composite Materials 53, no. 20 (2018): 2875–90. http://dx.doi.org/10.1177/0021998318805821.

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Predicting thermal responses of composite materials requires accurate input parameters derived from reliable thermal property characterization and kinetic models. Composite material properties and decomposition kinetics vary with temperature and heating rate. Typically, conventional kinetic models derived from thermogravimetric analysis data result in multiple sets of kinetic model parameters, which are difficult to implement into numerical simulations under widely varying temperature and heating rate conditions. Here, a methodology was developed to reliably predict decomposition processes of

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23

Rossetti, Ilenia, Francesco Conte, and Gianguido Ramis. "Kinetic Modelling of Biodegradability Data of Commercial Polymers Obtained under Aerobic Composting Conditions." Eng 2, no. 1 (2021): 54–68. http://dx.doi.org/10.3390/eng2010005.

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Methods to treat kinetic data for the biodegradation of different plastic materials are comparatively discussed. Different samples of commercial formulates were tested for aerobic biodegradation in compost, following the standard ISO14855. Starting from the raw data, the conversion vs. time entries were elaborated using relatively simple kinetic models, such as integrated kinetic equations of zero, first and second order, through the Wilkinson model, or using a Michaelis Menten approach, which was previously reported in the literature. The results were validated against the experimental data a

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Lin, Yen-Hui. "Kinetic Study of 4-Chlorophenol Biodegradation by Acclimated Sludge in a Packed Bed Reactor." Processes 10, no. 10 (2022): 2130. http://dx.doi.org/10.3390/pr10102130.

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In this study, batch experiments were conducted to evaluate the degradation of 4-CP using acclimated sludge. The Monod and Haldane models were employed to fit the specific growth rate with various initial 4-CP concentrations of 67–412 mg/L in the batch experiments. Haldane kinetics showed a better fit to experimental results than Monod kinetics. The kinetic parameters were obtained from a comparison of Monod and Haldane kinetics with batch experimental data. The values of μm and KS were found to be 0.691 d−1 and 5.62 mg/L, respectively, for Monod kinetics. In contrast, the values of μm, KS, an

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Mudruk, N. V., A. A. Antonov, A. I. Nikolaev, and O. V. Rybalkina. "Research on the acid decomposition kinetics of non-conventional titanium raw materials of the Arctic Zone of the Russian Federation." Arctic: Ecology and Economy 13, no. 1 (2023): 58–71. http://dx.doi.org/10.25283/2223-4594-2023-1-58-71.

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Acid leaching kinetics of loparite, perovskite, and titanite concentrates by hydrochloric and nitric acids has been studied. Kinetic parameters of acid leaching have been calculated and fitted to several kinetic models. Deeply kinetic study gives us the knowledge of acid leaching of titanium-containing minerals, and parameters obtained allow us to choose the optimal conditions of the mineral processing.

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Granado, Lérys, Stefan Kempa, Stefanie Bremmert, et al. "Isothermal DSC study of the curing kinetics of an epoxy/silica composite for microelectronics." International Symposium on Microelectronics 2016, no. 1 (2016): 000415–20. http://dx.doi.org/10.4071/isom-2016-tha24.

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Abstract Curing kinetics of an industrially important printed-circuit board (PCB) base material (epoxy-phenol/glass fillers) were studied from isothermal differential scanning calorimetry (DSC) measurements between 150 and 190 °C. The extent of cure was calculated by integration of the exothermic peak and normalization by the total heat of reaction (obtained by non-isothermal DSC). The kinetic profiles show two regimes: one fast, and one slower. The completion was reached above 180 °C. The kinetic parameters have been elucidated using an isoconversional model-free kinetic method. The linearity

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Stevermer, Catherine A., and Jason C. Gillette. "Kinematic and Kinetic Indicators of Sit-to-Stand." Journal of Applied Biomechanics 32, no. 1 (2016): 7–15. http://dx.doi.org/10.1123/jab.2014-0189.

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Variation in the timing indicators separating sit-to-stand (STS) into movement phases complicates both research comparisons and clinical applications. The purpose of this study was to use kinetic reference standards to identify accurate kinematic and kinetic indicators for STS movement analysis such that consistent indicators might be used for STS from varied initial postures. Healthy adults performed STS using 4 foot placements: foot-neutral, foot-back, right-staggered, and left-staggered. Kinetic and kinematic data were collected from force platforms and an 8-camera video system. Initiation,

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Kutlugil’dina, Galiya G. "Kinetic scheme of apple pectin oxidative transformations under the action of the ozone-oxygen mixture." Butlerov Communications 61, no. 2 (2020): 79–89. http://dx.doi.org/10.37952/roi-jbc-01/20-61-2-79.

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Mathematical modeling of apple pectin oxidative transformations (AP) under the action of the ozone-oxygen mixture in aqueous solutions (the reaction system "AP + O3 + O2 + H2O") has been carried out. The kinetic scheme of the oxidation process was compiled basing on the well-known ideas of liquid-phase oxidation mechanisms of organic compounds (taking into account the currently known experimental results on AP oxidation). Using the "KhimKinOptima" software package for the proposed scheme, the inverse and direct chemical kinetics problems were solved. The well-known literature data on the rate

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Caldwell, Graham E., Li Li, Steve D. McCole, and James M. Hagberg. "Pedal and Crank Kinetics in Uphill Cycling." Journal of Applied Biomechanics 14, no. 3 (1998): 245–59. http://dx.doi.org/10.1123/jab.14.3.245.

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Alterations in kinetic patterns of pedal force and crank torque due to changes in surface grade (level vs. 8% uphill) and posture (seated vs. standing) were investigated during cycling on a computerized ergometer. Kinematic data from a planar cine analysis and force data from a pedal instrumented with piezoelectric crystals were recorded from multiple trials of 8 elite cyclists. These measures were used to calculate pedal force, pedal orientation, and crank torque profiles as a function of crank angle in three conditions: seated level, seated uphill, and standing uphill. The change in surface

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Van Praagh, Andrew, Bo Nelson, Paul Ballieu, Melanie Smith, and Mike Rule. "Abstract 7427: Automated, real-time acquisition and quantification of peak, plateau-phase in vivo bioluminescent data." Cancer Research 84, no. 6_Supplement (2024): 7427. http://dx.doi.org/10.1158/1538-7445.am2024-7427.

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Abstract It is widely recognized that plateau-phase bioluminescent (BL) kinetic curve data should be used when reporting on BLI results from substrate-injection BLI model systems. The basis for this understanding is that plateau-phase BL data is uniquely suited in several ways: (i) it will optimize the detection of target, luciferase-expressing cells (especially when they are low in copy number or deep within the animal model), (ii) it will optimize BLI data reproducibility (with there being no change in signal values across the plateau phase), and (iii) it will also provide BLI data values th

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31

Wentzel, M. C., G. A. Ekama, and G. v. R. Marais. "Processes and Modelling of Nitrification Denitrification Biological Excess Phosphorus Removal Systems – A Review." Water Science and Technology 25, no. 6 (1992): 59–82. http://dx.doi.org/10.2166/wst.1992.0114.

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This paper reviews developments in modelling the kinetics of activated sludge systems: Completely aerobic nitrification, anoxic/aerobic nitrification denitrification (ND), and anaerobic/anoxic/aerobic nitrification denitrification biological excess phosphorus removal (NDBEPR) systems. The paper highlights the progress in developing a general NDBEPR activated sludge kinetic model – development of polyP organism enhanced cultures, their kinetics, simplification of the kinetics for enhanced cultures under constant flow and load conditions, extension of the simplified model to mixed culture NDBEPR

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Lavaill, Maxence, Saulo Martelli, Graham K. Kerr, and Peter Pivonka. "Statistical Quantification of the Effects of Marker Misplacement and Soft-Tissue Artifact on Shoulder Kinematics and Kinetics." Life 12, no. 6 (2022): 819. http://dx.doi.org/10.3390/life12060819.

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The assessment of shoulder kinematics and kinetics are commonly undertaken biomechanically and clinically by using rigid-body models and experimental skin-marker trajectories. However, the accuracy of these trajectories is plagued by inherent skin-based marker errors due to marker misplacements (offset) and soft-tissue artifacts (STA). This paper aimed to assess the individual contribution of each of these errors to kinematic and kinetic shoulder outcomes computed using a shoulder rigid-body model. Baseline experimental data of three shoulder planar motions in a young healthy adult were collec

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Rossi, Stephen J., Thomas W. Buford, Douglas B. Smith, Robin Kennel, Erin E. Haff, and G. Gregory Haff. "Bilateral Comparison of Barbell Kinetics and Kinematics During a Weightlifting Competition." International Journal of Sports Physiology and Performance 2, no. 2 (2007): 150–58. http://dx.doi.org/10.1123/ijspp.2.2.150.

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Purpose:The primary purpose of this study was to simultaneously analyze both ends of the barbell with 19 weightlifters (age 18.0 ± 3.2 years, body mass 84.0 ± 14.2 kg, height 167.3 ± 8.7 cm) participating in a weightlifting competition to determine whether there were asymmetries in barbell kinematics and kinetics between the right and left sides of the barbell. The second purpose was to compare barbell-trajectory classification of the snatch and clean lifts between the right and left sides of the barbell.Methods:Barbell kinematic and kinetic data were collected and analyzed with 2 VS-120 weigh

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Simu, Sebastian, Adriana Ledeţi, Elena-Alina Moacă, et al. "Thermal Degradation Process of Ethinylestradiol—Kinetic Study." Processes 10, no. 8 (2022): 1518. http://dx.doi.org/10.3390/pr10081518.

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The present study reports the results obtained after the analysis of the thermal stability and decomposition kinetics of widely used synthetic derivative of estradiol, ethinylestradiol (EE), as a pure active pharmaceutical ingredient. As investigational tools, Fourier transformed infrared spectroscopy (FTIR), thermal analysis, and decomposition kinetics modeling of EE were employed. The kinetic study was realized using three kinetic methods, namely Kissinger, Friedman, and Flynn-Wall-Ozawa. The results of the kinetic study are in good agreement, suggesting that the main decomposition process o

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Abbas, Ahmed Mohammed, Suha Sahib Abd, and Takialdin Abdulhadi Himdan. "Kinetic Study of Methyl Green Dye Adsorption from Aqueous Solution by Bauxite Clay at Different Temperatures." Ibn AL- Haitham Journal For Pure and Applied Science 31, no. 1 (2018): 58. http://dx.doi.org/10.30526/31.1.1853.

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Kinetic experiments were performed to induce of the green methyl dye adsorption from aqueous solution on the bauxite clay. This study includes determination of the adsorption capacity of bauxite clay to methyl green dye adsorption and study the effect of some parameters ( temperature , time ) on the kinetic of the adsorption process of the dye were studied. Quantity of dye adsorbed was increased when the temperature increases from 298 to 318K which indicates that methyl green adsorption processes are endothermic nature . In order to describe the kinetic data and the rate adsorption constants o

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Tsai, Lung Chang, Jian Ming Wei, Yung Chuan Chu, et al. "RDX Kinetic Model Evaluation by Nth Order Kinetic Algorithms and Model Simulations." Advanced Materials Research 189-193 (February 2011): 1413–16. http://dx.doi.org/10.4028/www.scientific.net/amr.189-193.1413.

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A kinetic model based on the thermal decomposition of 1,3,5-trinitro-1,3,5-triazmane (RDX) was constructed via differential scanning calorimetry (DSC), well-known kinetic equations, curve-fitting analysis, and simulations of thermal analysis. Our objective was to analyze thermokinetic parameters derived from heating rates used in DSC and compare simulations of thermal decomposition under various kinetic models. Experimental results were strongly dependent on the validity of the kinetic model, which was based on an appropriate mathematical model and a proper method for the evaluation of kinetic

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Sun, Jin, Xiao Feng Zhu, Xiao Bo Wang, Rui Hang Lin, and Zhen Zhong Gao. "Curing Kinetics of Phenol Formaldehyde Resin Modified with Sodium Silicate." Applied Mechanics and Materials 184-185 (June 2012): 1471–79. http://dx.doi.org/10.4028/www.scientific.net/amm.184-185.1471.

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The curing kinetics of PF resin modified with sodium silicate had been investigated by differential scanning calorimetry (DSC). The kinetic analysis was performed at heating rates of 5, 10, 15, and 20°C/min，respectively. The kinetic parameters such as reaction order and activation energy were solved by Kissinger and Crane equation. The relationship between curing temperature and heating rate was also investigated. The activation energy and the curing reaction order，which were obtained by kinetic calculation, are 83.00kJ/mol and 0.917, respectively. The curing reaction kinetics equations were b

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Pustějovská, Pavlína, and Simona Jursová. "Process Engineering in Iron Production." Chemical and Process Engineering 34, no. 1 (2013): 63–76. http://dx.doi.org/10.2478/cpe-2013-0006.

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Abstract Balance, thermodynamic and mainly kinetic approaches using methods of process engineering enable to determine conditions under which iron technology can actually work in limiting technological states, at the lowest reachable fuel consumption (reducing factor) and the highest reachable productivity accordingly. Kinetic simulation can be also used for variant prognostic calculations. The paper deals with thermodynamics and kinetics of iron making process. It presents a kinetic model of iron oxide reduction in a low temperature area. In the experimental part it deals with testing of iron

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Kennedy, K. J., and R. L. Droste. "Diffusional limitations of anaerobic biofilms." Canadian Journal of Civil Engineering 14, no. 5 (1987): 631–37. http://dx.doi.org/10.1139/l87-093.

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Using an empirical determination of apparent kinetic parameters in the bulk mixed liquor, the intrinsic kinetic parameters of anaerobic biofilms developed at 35 °C during start-up and steady-state downflow stationary fixed film reactor operation were estimated. The apparent kinetic parameters of anaerobic biofilms are not significantly influenced by internal diffusion limitations. The apparent kinetic parameters of mature biofilms showed no significant trends with increased biofilm thickness up to 2.6 mm and increased apparent Thiele modulus up to 3.1. Key words: anaerobic, biofilm kinetics, T

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Prandini, M. N., Pranoto, and S. D. Marliyana. "A comparative study of kinetics of methylene blue dye using adsorbent andisol and humic acid from lighnite by KOH-hydrothermal method." Journal of Physics: Conference Series 2190, no. 1 (2022): 012019. http://dx.doi.org/10.1088/1742-6596/2190/1/012019.

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Abstract A comparative study of adsorption kinetics model of methylene blue (MB) dye using andisol and humic acid (HA) adsorbents from the isolation of lignite with KOH-Hydrothermal has been carried out. The adsorption process was measured by using a UV-Vis Spectrophotometer to determine concentration of the adsorbed MB. The adsorption kinetics was determined using the first-order Langmuir-Hinshelwood kinetic model, the first-order kinetic model of Lagergren (1898), and the pseudo-second-order kinetic model of McKay and Ho. The adsorption kinetic model of MB on andisol and HA followed second-o

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R., Loganath, and Mazumder Debabrata. "Development of a comprehensive model and evaluation of kinetic coefficients for treating slaughterhouse wastewater in a single stage anaerobic bioreactor." Journal of Indian Chemical Society Vol. 97, No. 12b, Dec 2020 (2020): 2824–32. https://doi.org/10.5281/zenodo.5656247.

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Civil Engineering Department, Indian Institute of Engineering Science and Technology, Shibpur, Howrah-711 103, West Bengal, India <em>E-mail:</em> loganath.rk@gmail.com <em>Manuscript received online 10 December 2020, accepted 30 December 2020</em> A simplified method for determination of the kinetic coefficient for an anaerobic bioreactor has been developed in this present research. Kinetic coefficient, viz. specific substrate utilization rate (k), half-saturation constant (K<sub>s</sub>), yield coefficient (Y) and endogenous decay rate (K<sub>d</sub>) have been calculated using Monod kinetic

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Provis, J. L., and J. S. J. van Deventer. "Geopolymerisation kinetics. 2. Reaction kinetic modelling." Chemical Engineering Science 62, no. 9 (2007): 2318–29. http://dx.doi.org/10.1016/j.ces.2007.01.028.

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Maas, Stefan A., Tim Göcking, Robert Stojan, Claudia Voelcker-Rehage, and Dieter F. Kutz. "Synchronization of Neurophysiological and Biomechanical Data in a Real-Time Virtual Gait Analysis System (GRAIL): A Proof-of-Principle Study." Sensors 24, no. 12 (2024): 3779. http://dx.doi.org/10.3390/s24123779.

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The investigation of gait and its neuronal correlates under more ecologically valid conditions as well as real-time feedback visualization is becoming increasingly important in neuro-motor rehabilitation research. The Gait Real-time Analysis Interactive Lab (GRAIL) offers advanced opportunities for gait and gait-related research by creating more naturalistic yet controlled environments through immersive virtual reality. Investigating the neuronal aspects of gait requires parallel recording of brain activity, such as through mobile electroencephalography (EEG) and/or mobile functional near-infr

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König, Matthias. "cy3sabiork: A Cytoscape app for visualizing kinetic data from SABIO-RK." F1000Research 5 (July 18, 2016): 1736. http://dx.doi.org/10.12688/f1000research.9211.1.

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Kinetic data of biochemical reactions are essential for the creation of kinetic models of biochemical networks. One of the main resources of such information is SABIO-RK, a curated database for kinetic data of biochemical reactions and their related information. Despite the importance for computational modelling there has been no simple solution to visualize the kinetic data from SABIO-RK. In this work, I present cy3sabiork, an app for querying and visualization of kinetic data from SABIO-RK in Cytoscape. The kinetic information is accessible via a combination of graph structure and annotation

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Lapuzin, Alexander, Valery Subotovich, Yuriy Yudin, and Svetlana Naumenko. "The Method of Determining Total Losses in the Nozzle Cascades of Turbomachines." NTU "KhPI" Bulletin: Power and heat engineering processes and equipment, no. 1-2 (July 8, 2023): 11–17. http://dx.doi.org/10.20998/2078-774x.2023.01.02.

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To assess the level of aerodynamic efficiency of the nozzle cascades of steam and gas turbines, the method was suggested to determine the total loss coefficient instead of kinetic energy loss coefficient that takes into account both kinetic energy losses and kinematic losses. This method allows us to transform the original non-uniform spatial flow behind the cascade into an axisymmetric cylindrical flow. In the tested annular cascade with cylindrical meridional boundaries, the total loss coefficient is approximately 0.02 higher than the kinetic energy loss coefficient. By taking into account k

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Niu, Qigui, Shilong He, Yanlong Zhang, Yu Zhang, Min Yang, and Yu-You Li. "Bio-kinetics evaluation and batch modeling of the anammox mixed culture in UASB and EGSB reactors: batch performance comparison and kinetic model assessment." RSC Advances 6, no. 5 (2016): 3487–500. http://dx.doi.org/10.1039/c5ra14648h.

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To predict the process performance and evaluate the MSAA of anammox biomass, a number of kinetic models were conducted both for UASB-anammox biomass and EGSB-anammox. All of the kinetics simulation resluts were compared to assess the kinetic models.

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Macedo Alfano Moura, Túlio Bernardo, and Victor Hugo Alves Okazaki. "Kinematic and kinetic variable determinants on vertical jump performance: a review." MOJ Sports Medicine 5, no. 1 (2022): 25–33. http://dx.doi.org/10.15406/mojsm.2022.05.00113.

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The vertical jump is a task performed in various sports modalities and is considered a lower limb power test, that may provide information about the efficacy of several training programs. Although of the various types of jumps, two have been more used: the Squat Jump and the Countermovement Jump. Kinematics and kinetics variables are presented to describe the Squat Jump and Countermovement Jump, however, little is known about which variables are intrinsic in vertical jump performance. Thus, this review has two objectives: 1- Identify the kinetic and kinematic variables of jump analysis and 2-

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Yao, Hui Min, Jun Yi Zhu, and Guang Qing Xia. "The Drug Loading Kinetics Mechanism of Ion Exchange Fiber as a Novel Kind of Drug Carrier Material." Advanced Materials Research 904 (March 2014): 54–58. http://dx.doi.org/10.4028/www.scientific.net/amr.904.54.

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The adsorption of Fenazoxine hydrochloride was investigated by performing batch kinetic sorption experiments. Experiments were carried out as function of contact time, initial concentration. Adsorption data were modeled using the pseudo-first-order and pseudo-second-order kinetics equations. It showed that the pseudo-second order kinetic equation can describe the adsorption kinetics best. The results indicate that ion-exchange fiber is suitable as drug carriers for loading drugs.

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Usman, Muhammad R., David L. Cresswell, and Arthur A. Garforth. "Dehydrogenation of Methylcyclohexane: Parametric Sensitivity of the Power Law Kinetics." ISRN Chemical Engineering 2013 (August 1, 2013): 1–8. http://dx.doi.org/10.1155/2013/152893.

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For heterogeneous catalytic reactions, the empirical power law model is a valuable tool that explains variation in the kinetic behavior with changes in operating conditions, and therefore aids in the development of an appropriate and robust kinetic model. In the present work, experiments are performed on 1.0 wt% Pt/Al2O3 catalyst over a wide range of experimental conditions and parametric sensitivity of the power law model to the kinetics of the dehydrogenation of methylcyclohexane is studied. Power law parameters such as order of the reaction, activation energy, and kinetic rate constants are

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Fouad, Mohamed R., Ahmed F. El-Aswad, and Maher I. Aly. "Mathematical models of the adsorption-desorption kinetics of fenitrothion in clay soil and sandy clay loam soil." Current Chemistry Letters 13, no. 4 (2024): 641–54. http://dx.doi.org/10.5267/j.ccl.2024.6.002.

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Batch adsorption and desorption kinetic experiments of fenitrothion on clay soil and sandy clay loam soil indicated that the equilibration time was approximately 30 hours. The kinetics of adsorption and desorption exhibited two distinct stages: a rapid process in the initial stages followed by a slow process. The pseudo-first-order model followed by the Elovich kinetic model fit the experimental adsorption and desorption data quite well, with high values of R2 and low values of ∆qe% and SSE. Accordingly, the pseudo-first-order model is most suitable for describing the adsorption and desorption

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