Sentence examples for ppm with an from inspiring English sources

The initial concentration of copper was fixed at 30 ppm with an adsorbent dosage of 0.2 g.

Emission of HC by diesel was found to decrease (from 38.9 to 25.7 ppm) with an increase in engine load.

The recently reported CO2 concentration in the atmosphere has been found as 404 ppm with an alarming increasing rate of 2.9 ppm/year [2].

The Er 3+ concentration in the fabricated samples varied from 160 to 470 wt ppm with an increase of Al 3+ concentration.

The linear dependence of the sensitivity on the ammonium sulfide concentration was observed in the range of 4 200 ppm with an excellent selectivity.

For example, Stein et al.[29] determined that the rhenium concentration in molybdenite in the Schwartz, Klee and Meyer skarn Mo W deposits in the Pitkaranta district, Russia, ranges from 130 to 479 ppm with an average of 224 ppm.

According to Hope's model, the economically optimal peak atmospheric carbon dioxide concentration is around 500 ppm, with a peak global surface warming of about 3°C above pre-industrial temperatures (about 2°C warmer than present).

Thus, PPM with a truncated sinc pulse is considered here.

Cu levels varied from 2.3 to 370 ppm, with a mean of 37 ppm.

The average 13C deviation for the top ranked structures is 2.2 ppm with a standard deviation of 3.1 ppm.

The average methane concentration measured in ambient air was 2.01 ppm with a relative error of ± 2.5%.