Sentence examples for ppm at the from inspiring English sources

Both planets exhibit water absorption of approximately 200 ppm at the water peak near 1.38 μm.

The scientists compared nutrient levels in field crops grown in ambient CO2 levels, about 380-390 perts per milliion (ppm) at the time of the work, with those grown in the elevated CO2 levels expected by 2050.

Weaker signals from β-1,4 and β-1,6-glucans have also been identified, with downfield 13C chemical shifts of 85 and 67 ppm at the linkage sites of C4 and C6, respectively.

Among all the zinc oxide nanostructures, nanostars exhibits excellent sensitivity (SR ∼ 31 toward 5 ppm) at the optimized sensing temperature of 275 °C.

Reaction rates were increased with ammonia concentrations from 4.1 to 33.0 ppm at the temperatures of 308, 313 and 318 K.

The optimal temperature profile is shown to result in high thermal efficiency and a CO concentration less than 40 ppm at the exit of the PROX reactor.

Presentation of the PPMs at the SIP: The groups presented their models to all visitants.

The emission was more in case of algal biodiesel (increased from 48 to 273 ppm) compared to petro-diesel (increased from 20 to 154 ppm) at all the engine load conditions.

However, while NC15 is more sensitive to ammonia than pure PANI-LSA in the concentration range of 19 114 ppm, at higher concentrations, the situation becomes opposite.

The increase of deuterium connected with the increase of 18O/16O ratio: at 4 ppm of D/H the O18/O16 is 910 ppm,; at 52,53% D/H the 18O/16O concentrations are 1479,1552 ppm correspondingly.

The waterflooding was then carried out by injecting the same brine (3800 ppm NaCl) at the same constant rate.