نتایج جستجو برای: reaction rate constant

تعداد نتایج: 1494826  

Journal: :international journal of advanced design and manufacturing technology 0
yaser moghani crus aghanajafi mehdi ahmadi

springs are the  mechanical parts which have many application in industries. static and dynamic forces cause relaxation in these parts so that they lose some of their free length and reaction force. springs constant are very important in airplane and vailway industry since constant and variable forces are applied to them in period time, therefore it is necessary to avoid decreasing in spring co...

Azam ALEBOYEH Hamid ALEBOYEH

In the present study, advanced oxidation treatment, UV/ was applied to decolourisation of Acid Orange 8 (AO8). The UV radiation was carried out with a 15 W low-pressure mercury lamp. Kinetic model for the decolourisation of the dye was developed based on experimental results and known chemical and photochemical reactions. The observed kinetic reaction constant was determined and correlated as a...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2007
mohsen nosrati mehdi jalali t.r. sreekrishnan sayed abbas shojaosadati

reaction constants and heat release during thermophilic aerobic digestion of typical secondary and mixed sludges were determined. maximum reaction constant, determined by measuring the amounts of biodegradable volatile suspended solids (bvss) removed, occurred in the temperature range of 55-60 ºc. measurement of heat releases were carried out, at the same range, by the aid of a temperature prog...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1971
S H Lin H Eyring

The reaction cross section of a bimolecular reaction has been calculated from the corresponding rate constant by the inverse Laplace transform. In carrying out the inverse Laplace transform, the method of steepest-descent has been used. As applications, the reaction cross sections for the rate constant of k(T) = k' T(n)e(-E0/kT) and for the rate constant of the absolute reaction rate theory hav...

2002
C. Peng

The rate of reaction between Ozone and aniline in distilled water was studied utilizing a stopped-flow spectrophotoneter system. ozonation reaction was second order with first order each in the concentrations of the reactants. The '?he reaction rate was nearly independent of temperature in the range of 10 to 35 OC yielding an average rate constant of 240,000 l /Pl-s . reaction was much slower w...

Photocatalytic decolorization of Methyl Orange (MO) solution has been studied using phosphotungstic acid (HPA) as photocatalyst. The decolorization reaction of MO solution is photocatalysis. The paper reveals that the optimal loading of photocatalyst for decolorization of MO solution (10 mg/L) is 0.6 g/L. The results show that the photocatalytic decolorization reaction of MO with HPA in a h...

Journal: :journal of physical & theoretical chemistry 2004
azam aleboyeh hamid aleboyeh

in the present study, advanced oxidation treatment, uv/ was applied to decolourisation of acid orange 8 (ao8). the uv radiation was carried out with a 15 w low-pressure mercury lamp. kinetic model for the decolourisation of the dye was developed based on experimental results and known chemical and photochemical reactions. the observed kinetic reaction constant was determined and correlated as a...

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