Nonetheless, the sample was drawn from all socioeconomic groups, ages, and geographical areas, and as such, is likely to give a valid indication of trends in weight perceptions.
In addition, the results indicate that the observed trends are valid for burners of various lengths.
These simulations are used to investigate the conditions for which the separation technique is valid and yield similar trends as the experiments for the investigated flow operating conditions.
The trends remain valid up to the degree where the nanofluid defining qualities (regarding particle suspension and chemical consistency properties as listed in "Characteristics of nanofluids" section) are still satisfied and the nanoparticle concentrations remain in between the boundaries set in the methodology of observation collection (0.0001-10 vol.%).
However, all trends remain valid, and it is these changes that are critical here.
Out of the small perturbation regime, those concepts are still valid qualitatively, although the trends could be quite distorted.
Assuming that underestimates of the COPD mortality rates were approximately constant during the study period, the interpretation of the direction of the trends is valid.
Attempts have been made to reduce costs, while maintaining the availability of valid and reliable behavioural trends, and may serve as examples.
Thus, the comments with respect to time trends, if valid, apply only to tetra- to heptaPBDE congeners and not the major PBDE product in production and use, DBDPO.
According to our mixed estimates, which are considered highly valid, if the current trends in health-related indicators continue, the COI will temporarily decrease in 2014, followed by almost no change until 2020.
