Sentence examples for ppm which was from inspiring English sources

Beattie and Geiger found very high levels of lead in the body of Torrington, a stoker on the expedition: 226 parts per million (ppm), which was 10 times higher than samples taken from Inuit skeletons found in the area.

When the di-lithiated species dominate, the –OHb resonance has a maximum downfield of δ 18.14 ppm, which was observed in ELP-2 and chemically lithiated purpurin (1 2 ratio).

The results indicated that the sensor based on 3.0 at.% Sn-doped NiO nanospheres showed superior selectivity toward xylene, giving a response of 20.2 100 ppm, which was 12 times higher than that of the undoped NiO nanospheres.

Moreover, the detection limit of NM3 for Cu II) determination was found to be 13.05 μM or 0.83 ppm, which was sufficient for the detection of the maximum allowed copper levels in dietary and environmental sources.

On the other hand, undesirable NO2− and NO3− were detected as by-products of ammonia photo-degradation at about 1-2 ppm, which was detected by FT-IR spectrandnd ion chromatogram.

Long-term stability was found to be 1 nT in 9-h period, and the temperature coefficient of sensitivity decreased to 50 ppm, which was a direct result of controlling the excitation current.

Both scenarios had carbon dioxide levels set at 560 ppm, which is 2 times the preindustrial level.

That's a ghastly figure, and a future society might decide to lower the concentration to 450 ppm, which is deemed to be at the upper limit for a sustainable climate by some scientists.

However, CTE of these cured BMIs are less than 50 ppm, which is much less than common epoxy.

An SM-70 Ozone Monitor (Aeroqual, Avondale, Auckland, New Zealand) measured the ozone generation from the lamps to be <0.005 ppm, which is not a significant level to provide an antimicrobial effect to aerosolized viruses27.

The CIS fast architecture consists of a module called the plasma protection module (PPM), which is mainly in charge of interlock functions related to the plasma.