Sentence examples for used contamination from inspiring English sources

Even though a high-quality sealed face mask is used, contamination of the semi-closed circuit by ambient air may decrease the helium concentration.

Microbial contamination may be obvious, indicating that the culture should be discarded, but, if antibiotics are used, contamination may be repressed but not eliminated.

The assessment of water quality was made using contamination indicators and comparing the concentrations of these indicators with standards.

The assessment of soil contamination was also carried out using the contamination factor (C f ) and degree of contamination (Cdeg⁡).

This has led to surging herbicide use; contamination of our air, soil, and water; millions of acres of farmland infested with RoundUp-resistant "superweeds" and "superbugs"; and a desperate recourse to older and more toxic pesticides driven by the pesticide companies themselves, and thus, a continuing cycle of pesticide-related illnesses.

Extrinsic or in-use contamination plays the most important role in bacterial contamination of the infusion system [ 26- 28].

Point-of-use contamination of water dispensers and ice cube machines has been previously implicated in gastroenteritis outbreaks due to parasites [ 15, 16].

The assessment of soil contamination was also done using the contamination factor and degree as suggested by Loska et al. [ 33] and Hakanson [ 36].

Cell lines were regularly tested for the presence of contamination using multiplex cell contamination test provided by the German Cancer Research Center (DKFZ) core facility.

As pollution in wetland soils was assessed using the contamination factor (CF) [ 23].

All cell lines had their identity confirmed and proven to be free of contamination by mycoplasma or viral contamination using the Multiplex cell Contamination Test (McCT) service [ 33].