نتایج جستجو برای: degradation kinetics
تعداد نتایج: 243588 فیلتر نتایج به سال:
in this study, a novel magnetic nanocomposite (ba-α-bi2o3-γ-fe2o3) was successfully synthesized through a combination of ultrasound and co-precipitation method under mild conditions. the structure of the synthesized nano-composite as a visible light photocatalyst was investigated by the xrd, tem, hrtem, uv-vis and ft-ir. the hrtem confirmed that the nano-magnetic composites are rods with diamet...
adsorption of anilofos was studied in four soils (topsoil from alfisol, inceptisol, oxisol and vertisol). the order of adsorption of anilofos was vertisol > oxisol > alfisol > inceptisol. the soil sorption coefficient k and the soil organic carbon sorption coefficient koc are the basic parameters used for describing the environmental fate of the herbicides. in top soil the calculated k values w...
this research was conducted to evaluate the effects of electron beam (eb) and gamma ray (gr) radiations at doses of 25, 50 and 75 kgy on ruminal degradation kinetics of dry matter (dm) and crude protein (cp),andin vitro digestibility of canola meal (cm). the nylon bag technique and in vitro two step method were used for this aim. gr decreased ruminal degradability of dm (p<0.05), but eb had no ...
this research was conducted to compare effects of electron beam (eb) and gamma ray (gr) treatments at doses of 25, 50 and 75 kgy on soybean meal (sbm) ruminal degradation kinetics of crude protein (cp) and amino acids (aa). the nylon bag and sodium dodecyl sulfate-polyacrylamide gel electrophoresis (sds-page) techniques were used for this aim. ionizing radiations decreased washout and degradati...
The effect of pH and temperature on the stability and visual colour of aqueous anthocyanin (ACY) extracts from purpleand red-flesh potatoes was evaluated and compared to commercial ACY extracts from grape and purple carrot. Extracts from purple carrot and redflesh potatoes showed higher stability than grape and purple-flesh potato extracts. Stability to pH (63) and thermal degradation of extrac...
Ultrasonic irradiation has been shown to effectively degrade perfluorinated chemicals (PFCs) such as perfluorooctane sulfonate (PFOS) and perfluorooctanoate (PFOA) in aqueous solution. Reduced PFC sonochemical degradation rates in organic-rich groundwater taken from beneath a landfill, however, testify to the negative kinetic effects of the organic groundwater constituents. In this study, the P...
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