Sentence examples for mean annual level from inspiring English sources

Although the Norwegian study (Hansteen et al. 1996) failed to find an association, the Finnish study (Hemminki and Niemi 1982) found an increased rate of SAB in areas with a higher mean annual level of hydrogen sulfide (> 4 μg/m).

Previous studies in China have examined the association between spontaneous abortion before 26 weeks of gestation, and found an increased rate in areas with an elevated mean annual level of hydrogen sulfide (>4 μg/m) [ 31].

In the city center (higher pollution area), the mean annual level [+/- standard deviation (SD)] of suspended particulate matter was 52.6 +/- 53.98 microg/m(3) and that of SO(2) was 43.87 +/- 32.69 microg/m(3); the corresponding values in the control area were 33.23 +/- 35.99 microg/m(3) and 31.77 +/- 21.93 microg/m(3).

Mean annual levels of PM10 in the study area, as measured by the monitoring stations of the two provinces, were in several cases in the order of 40 μg/m, a value which represents the EU standard [ 30] and is higher than the World Health Organization guideline of 20 μg/m [ 50].

For the study years (2000 and 2001), the average annual levels of particulate matter ≤ 2.5 μm in aerodynamic diameter (PM2.5) in Lincoln County exceeded the annual standard for PM2.5 (standard for PM2.5 was an annual mean of 15.0 μg/m; annual mean in Lincoln county was 17.1 μg/m in 2000 and 16.2 μg/m in 2001) (U.S. Environmental Protection Agency 2009).

Mean annual PM10 levels were 28.9, 28.3 and 27.9 μg/m and mean annual NO2 levels were 38.7, 37.5 and 36.2 μg/m at the ages of 1, 2 and 3 years, respectively (Additional file 1: Table S2).

Mean annual groundwater levels have significant lag-one-year autocorrelation at 26.0% of wells in the East region, 65.4% of wells in the Central region, and 100% of wells in the West Central region.

Trees establish at mean annual flood levels <7.5 m, corresponding to flooded and/or waterlogged periods of up to 300 days year−1 (Wittmann et al., 2004, 2006).

This figure also shows mean annual HbA1c levels for the lost to follow-up cohort for as many years as available for each patient.

The mean annual temperature at sea level ranges 71 75 °F (22 24 °C).

The mean annual rate of PGA level for 10% probability being exceeded in 50 years is calculated by means of the hazard integral Eq. (2) (McGuire, 2004).