Abstract This work aims to identify the best treatment condition for removal of chemical oxigen demand (COD) and increase biodegradability in an advanced oxidative process photocatalytic ozonation with titanium dioxide (TiO2), applied remediation leachate produced at municipal landfill Campo Mourao, Parana. The experiment was carried out using a chamber system based on corona effect. A statisti...

anxiety and depression has increased sharply in recent years. depression has a very large impact on at-work performance, due to the prevalence of depression and its ability to impair work performance. depression among employees has been estimated to have a prevalence of approximately 10%. there is growing evidence that the workplace can have an important role in the development of anxiety probl...

the replacement of corn silage with varying levels of ammonia gassed wheat straw on performance, digestibility, fermentation parameters, chewing activities, blood metabolites and profitability of holstein heifers have been evaluated. fifteen holstein heifer with 9-10 months of age were assigned in a completely randomized design with 3 treatment as 1) 36% corn silage, 2) 18% corn silage and 18% ...

this study investigates and compares the efficacy of differentiated instruction and traditional-based instruction on enhancing iranian students’ reading comprehension. eight elementary, intermediate, and advanced classrooms from 1 language institute were chosen, and based on their performance on the pretests were further divided into 4 control and 4 treatment groups. flexible grouping, tiered i...

Despite the fact that there are wastewater treatment plants (WWTPs) currently operational across Iran and great advances have been made in this area, there are still problems in the design, construction, and operation of WWTPs with large nonlinear systems, varying flow rates, and pollution charges. The objective of this study was to investigate the effect of operating parameters including the r...