Sentence examples for different levels of pollutants from inspiring English sources
Experimental populations of three marine and estuarine diatoms were exposed to sediments with different levels of pollutants, collected from the Aveiro Lagoon (NW of Portugal).
Two lab-scale PAC-MBR systems were implemented to operate for 220 d to purify three influents that had different levels of pollutants, including raw water and the effluent of conventional bio-sand filters with different dissolved oxygen levels (i.e., 9 mg·L− 1 and 6 mg·L− 1) before filtration.
When the supply water is available from diverse sources and, accordingly, has different level of pollutants contamination, the associated graph remains oriented, but the starting unit operations are lumped and assigned to proper water source based upon their input concentration restrictions.
Such models are particularly applicabile in the selection of study populations exposed to different levels of the pollutants under study, using a cross-sectional or cohort study approach.
The common bivalves R. philippinarum were collected during autumn 2009 in two different areas of Venice Lagoon characterized by different levels of environmental pollutants: Marghera and Alberoni (see Additional file 5).
Samples of European eel were collected by fishermen during October 2009 in two separate areas in the Lazio region (Central Italy) characterized by different levels of environmental pollutants: the low course of the river Tiber (41°48′N; 12°25′E) and the nearby lake Bolsena (42°36′N 11°55′EE).
Differences in the seasonal behavior of air pollutants result not only in different levels of exposure to individual pollutants during each season but also in different correlations between pollutants, which may also vary depending upon their sources, thus reducing the accuracy of individual pollutants as proxy measures of chronic ambient air pollution exposures in urban areas.
Joint modeling, on the other hand, would assign different levels of the same pollutant depending on what health outcome was being modeled.
Differences in these findings may be due to different O3 metrics, co-pollutant versus single-pollutant models, different levels of ambient O3, or different time periods or seasons.
Furthermore, ITSDP also addresses various dynamics such as capacity expansion, storage of wind power and pollutants emission reduction scenarios related to different levels of economic implications.
We measured the effect of adding saline stormwater on pollutant removal by six monocotyledonous species with different levels of salt-tolerance.
