Degradation Kinetics
Tebuconazole photocatalytic degradation kinetics.
... PHOTOCATALYTIC DEGRADATION KINETICS. The tebuconazole photocatalytic degradation kinetics was studied in a batch reactor using TiO 2 (P25-Degussa) as catalyst and a high pressure mercury ...
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Application of D-optimal design for determination of the influence of water content on the thermal degradation kinetics of ascorbic acid at low water contents
... Temperature dependence is normally relatively simple to model (many systems show apparent first-order degradation kinetics with Arrhenius temperature dependence in re[r] ...
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Development of a Method Based on DLLME and UFLC-DAD for the Determination of Antibiotics in Honey Samples and the Study of Their Degradation Kinetics
... In this work, a method was developed, based on dispersive liquid-liquid microextraction (DLLME) and analysis by ultra-fast liquid chromatography coupled to diode array detector (UFLC-DAD), to simultaneously determine ten ...
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Thermal degradation kinetics of ascorbic acid, thiamine and riboflavin in rosehip (Rosa canina L) nectar
... 10C increment were different in rosehip nectar. The highest Q 10 values for AA, TH and RB are obtained within the ranges of 70 to 80 ºC, 80 to 90 ºC and 80 to 90 ºC, respectively. This result indicates that in these ...
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Thermal degradation kinetics of ascorbic acid, thiamine and riboflavin in rosehip (Rosa canina L) nectar
... 10C increment were different in rosehip nectar. The highest Q 10 values for AA, TH and RB are obtained within the ranges of 70 to 80 ºC, 80 to 90 ºC and 80 to 90 ºC, respectively. This result indicates that in these ...
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Effect of heat and thermosonication treatments on watercress (Nasturtium officinale) vitamin C degradation kinetics
... thermal degradation kinetics of vitamin C in watercress (Nasturtium officinale) was studied in the temperature range of ...reaction kinetics adequately described the vitamin C losses during both ...
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In situ rumen degradation kinetics as affected by type of pasture and date of harvest
... nutrient degradation kinetics of ...situ degradation kinetics of dry matter (DM), crude protein (CP) and neutral detergent fi ber (NDF) of a naturalized non fertilized pasture (NNF), ...
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Degradation kinetics of fisetin and quercetin in solutions affected by medium pH, temperature and co-existed proteins
... Plant foods usually undergo necessary thermal processing and storage, during which flavonoids degradation occurs. The processing conditions and co- existing compounds or components in the plant foods might affect ...
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Chemical characteristics, degradation kinetics and gas production of arboreal species for ruminants
... ruminal degradation, soluble nutrients are responsible for the greatest volume of gases produced, ...its degradation, which promotes a greater gas production specific rate (k 1 ...
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In situ degradability of dry matter and fibrous fraction of sorghum
... the degradation kinetics of dry matter, crude protein, neutral detergent fiber and acid detergent fiber of silages of four sorghum genotypes with and without condensed tannin in the ...
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J. Braz. Chem. Soc. vol.26 número4
... of degradation products is essential for future biological and toxicological investigations, aiming at maintenance of safety and efficacy of pharmaceutical ...main degradation products formed were analyzed ...
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Kinetics of digestion of low-quality forage grazed by beef cattle fed supplements containing increasing levels of rumen undegradable protein
... The experiment was conducted in the central plateau of Goiás State, Brazil, and its climate is a Cwa type according to Köppen standards (Kottek et al., 2006). The average annual temperature is 22 °C, varying by five ...
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COMPARATIVE KINETICS STUDY OF THE THERMAL AND THERMO-OXIDATIVE DEGRADATION OF A POLYSTYRENE-CLAY NANOCOMPOZITE BY TGA AND DSC
... the degradation kinetics by using multiple ...the kinetics that occur under an arbitrary variation in temperature, T(t), which allows one to account for self-heating/cooling detectable by the thermal ...
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Cinética de degradação in situ das silagens de capim Andropogon gayanus produzidas em três idades de corte.
... ruminal degradation kinetics of Andropogon gayanus grass silages harvested at three stages of maturity (56, 84 and 112 ...the kinetics of ruminal DM, CP and NDF ...ruminal degradation ...
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Kinetics of transit and degradation of the fiber from guinea grass silages enriched with waste from soybean pre-cleaning
... the kinetics of transit and degradation of the fiber from guinea grass and the waste from soybean pre-cleaning (WSPC), ensiled with different proportions of mass (0, 100, 150, and 200 g WSPC/kg total ...
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Braz. J. Pharm. Sci. vol.52 número3
... Few articles have been published on the stability of the chosen fibrates (Salama et al., 2011; Jain et al., 2012; Kumbhar et al., 2013), and none were found that identiied degradation products, the hypothesized ...
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RESULTS AND DISCUSSION Kinetics of glycogen and trehalose degradation
... the degradation kinetics of glycogen and trehalose carried out with two industrial strains of Saccharomyces cerevisiae (PE-2 and SA-1) and the effect of different temperatures (38º, 40º, 42º and 44ºC) on ...
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Evaluation of Decomposition Kinetics of Poly (Ether-Ether-Ketone) by Thermogravimetric Analysis
... the degradation mechanism and alternatively the Coats Redfern model is one of the most widely used procedures for the determination of the reaction mechanism 29,31 ...
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Modeling inhomogeneous DNA replication kinetics.
... replication kinetics than Monte Carlo ...replication kinetics is often the only information obtainable from experiments, our model is, in many practical cases, sufficient to reproduce experimental ...
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Braz. J. Chem. Eng. vol.34 número1
... the kinetics of electrical cur- rent generation in a MFC, one should consider the intracellular overpotential, associated with the bio- logical reaction, and the extracellular overpotentials, associated with the ...
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