Sentence examples for years before sampling from inspiring English sources

The study soil was artificially drained 16 years before sampling resulting in macroscopically visible pedogenetic changes and is thus a suitable site to investigate the influence of pedogenetic processes on the fate of Cu.

Adventitious roots: Norway spruce (P. abies) seedlings were grown in the experimental nursery of Finnish Forest Research Institute for about one and a half years before sampling.

We compared colony densities between 14 pairs of treated areas (herbicide applied 10 30 years before sampling) and untreated areas (spatially matched and dominated by creosotebush).

Three treatments, low intensity thinning (removal of 15% of the trees, three 25 ∗ 25 m repeated plots), moderate thinning (30% removal), and heavy intensive thinning (50% removal) were compared to control plots with no thinning three years before sampling of soil carbon composition.

For years before sampling, PM2.5 values were assumed equal to the earliest sampling year.

Twelve years before sampling, in August of 1998, a devastating fire overran the entire area where this population is located (Fig.  1).

c any event happened in one year before sampling.

The presence of water stress was inferred by carrying out a recognition the year before sampling.

The analysis was finally based on samples from 23 children who had maintained viral suppression (≤200 copies/mL) for at least 1 year before sampling.

In a small rural area of Zarcero, province of Alajuela, north central region of Costa Rica, blood samples were drawn from 20 patients who had histories of tick bites and nonspecific symptoms of fatigue, arthralgia, and myalgia beginning >1 year before sampling.

No patient changed drug treatment 2 years before sample collection or during the observation period.