Sentence examples for periods of sample from inspiring English sources

In both periods of sample collection, for farrowing operations, pooled-fecal samples were collected from gestating sows, weanling pigs, and grower-finisher pigs.

Finally, to assess the effects of different time periods of sample collection, we ran separate models using the DAP concentrations in samples taken at the 16-week and 26-week visits.

Forty-eight farms in Ontario were conveniently selected and visited once or twice between two periods of sample collection from August to December 2010, and from January 2011 and May 2011.

Results indicated differences in the composition of organic matter especially in summer 1997 and at all the other seasonal periods of sampling.

The exposure levels were also similar in the two periods of sampling in this study.

During periods of sampling, a diesel fueled vehicle was driven past the mannequin and the analyzers under different operating conditions.

In such away, the need for long periods of sampling with complex, difficult to handle instruments and numerous analytical calculations, is avoided.

The periods of sampling, submission and analysis, based on the samples for which dates were available, lasted from 26 March 1999 to 5 June 2002, 19 October 1999 to August 2002 and 6 February 2001 to 13 February 2003, respectively.

Unless stated otherwise, concentration response data given in this article refer to the arithmetic mean of measured concentrations in the three periods of sampling (t0, t7, t14), as proposed by the Organisation for Economic Co-operation and DevelOECDnt (OECD 2000).

The oxidized products detected were compared between DESI-MS and ESI-MS after a three-week period of sample aging at the room temperature and ambient conditions.

During the period of sample collection, the interassay coefficient of variation (CV) was less than 2.6%.