In all cases, viruses were totally inactivated; consequently, viruses do not constitute a limiting factor in wastewater disinfection by ozone.
The moisture content of grains (water activity values 0.960, 0.970 and 0.980) did not constitute a limiting factor for fungal growth or ZEA production, but incubation temperature (15 °C, 20 °C, 28 °C, and 32 °C) affected the rate of zearalenone synthesis.
Excessive cultural acquisition costs may therefore constitute a limiting factor on cultural complexity operating independently of demographic constraints.
Whatever the case, the fish pass must be sufficiently efficient so as not to constitute a limiting factor in the long-term maintenance of migrating stock.
Added to the fact that individuals should not be pressured to participate in a study [ 10], recruitment can often constitute a limiting factor.
The original theories of inspection time and intelligence proposed that basic speed of perceptual discrimination constitutes a limiting factor on more complex cognitive abilities [2,5].
Since saltworks have not been yet converted into shrimp ponds, and extensive areas are still utilized for artisanal farming of shrimp, environmental restraints have not been imposed that could constitute a limiting factor for the development of shrimp culture.
Hence, our future goals include DDC mRNA expression analysis in larger cohorts of LSCC and TSCC samples in order to validate the current results, since the number of SCC specimens used in this study constitutes a limiting factor, owing to the fact that HNSCC is not a very common cancer type in Greece [ 51].
