Sentence examples for organic markers from inspiring English sources

The combination of minerogenic signal, specific organic markers of autochthonous and allochthonous supply and archaeological data allows the reconstruction of a continuous record of past human disturbances.

Thus it should not "hurt" a remedy to add a tiny bit of organic marker.

Williams et al. [ 69] performed PMF analysis on hourly time-resolution data of organic marker compounds measured with a thermal desorption aerosol GC MS FID (TAG) instrument from a study site in Riverside, California.

Few studies have used either organic molecular markers or chemical mass balance (CMB) models, and there is a shortage of data on locally-derived emission source profiles, although recent work has begun to remedy this weakness.

Exposures included hourly outdoor gases, hourly traffic-related and secondary organic aerosol markers, and daily size-fractionated particle mass.

Responses to PM2.5 10 were not correlated with any of the organic (PAH) markers employed and were inversely associated with NH4 and Cl– concentrations.

A previous DASH source apportionment showed that the addition of organic molecular markers and estimated semi-volatile organic compounds improved source characterization for identifying primary vs. secondary and vehicle vs. non-vehicle combustion sources [ 32, 33].

We conducted a source apportionment study using particle-phase organic molecular markers in personal and work area samples at a freight terminal in an urban area in 2003 (Sheesley et al. 2008a).

To identify specific sources of current occupational particulate exposures, we conducted source apportionment studies using particle-phase organic molecular markers in work area samples from seven freight terminals sampled in 2002 and 2003 (Sheesley et al. 2008b) as well as in personal and work area samples in terminal workers and drivers at one terminal (Sheesley et al. 2008a).

Measurements of these compounds are being improved and supplemented with additional organic molecular marker compounds.

Meat cooking, gasoline vehicle exhaust and natural gas combustion were more challenging for PMF to accurately identify due to high detection limits for certain organic molecular marker compounds.