Group differences of endocannabinoid concentrations were tested using the Wilcoxon-Test.
Due to non-gaussian data distribution as determined by the Shapiro-Wilk's W test, group differences of endocannabinoid concentrations were tested using the Wilcoxon-Test.
Two TiO2 concentrations were tested using the wet application method (10 and 20 mg/kg dm, about 50% increase in reproduction for dry spiking and 32% increase in reproduction for wet spiking of food compared to control).
Associations between individual fish length/weight and tissue metal concentrations were tested using regression analysis.
Samples were sent to an independent laboratory, and concentrations were tested using aqueous injection HPLC with postcolumn derivatization (Georgia Chemical Laboratory, Athens, GA, USA).
The ability of Group II C. botulinum strains to grow at refrigeration temperatures or in media containing different NaCl concentrations was tested using vials of PYGS medium inoculated with spores of appropriate strains.
In each independent experiment, each concentration was tested using four replicates; five decapitated animals per replicate were put in 20 mL of solution.
The QFT control of the dissolved oxygen concentration was tested using an experimentally pilot plant that is also presented in the paper.
Percentage of fluoride desorbed as a function of NaOH concentration was tested using synthetic fluoride solution [( F^ )]0 = 10 mg/L, for optimum conditions (dose of iron ore = 5 g/L, particle size of iron ore <0.075 mm, agitation rate = 150 rpm and contact time = 120 min).
