Sentence examples for considerable contamination from inspiring English sources

There is also considerable contamination by PCBs, toxic chemicals with carcinogenic effects.

Nitrate (NO3-N) leaching from agricultural soils can lead to substantial losses of fertilizer nitrogen (N) and cause considerable contamination of aquatic ecosystems and groundwater.

Contamination factor (CF) referred that CF < 1 refers to low contamination, 1 ≥ CF <  3 means moderate contamination, 3 ≥ CF ≥ 6 indicates considerable contamination, and CF > 6 indicates very high contamination (Harikumar and Jisha 2010).

Catalysts prepared using these support materials were consistently active and stable, with a 0.33 wt% Au catalyst producing 132 gPO/h/kgcat at 200 °C, the highest propylene oxide (PO) rate thus reported, despite relatively high gold loadings and considerable contamination with octahedral titanium species.

MixHMM, however, detects copy number and allelic imbalance in the cancer cells accurately (consistent with model and manual annotation)., in spite of the considerable contamination of stromal cells.

Acomparison of the traditional biotin-streptavidin system with the sucrose gradient-based extraction kit shows that the sucrose gradient-based extraction method yields a highly enriched, pure, plasma membrane fraction, while the biotin-streptavidin method produces a crude plasma membrane fraction with considerable contamination of cytoskeletal proteins.

"Meteorites usually have considerable terrestrial contamination".

Many cathode materials such as LiMnO2 can be highly hygroscopic and thus, introduce considerable water contamination into Li batteries.

This study revealed considerable chemical contamination of the Jimi River and its tributaries through geologic processes, gold mining operations and other anthropogenic sources.

The wide spread use of chromium in various products and application in different industrial processes has emitted considerable environmental contamination (Sultan and Hasnain 2007).

The study revealed considerable Hg contamination in sediment, water and fish collected from the Ankobra and Tano River basins which drain the major gold mining areas in Ghana.