Sentence examples for ppm compared to from inspiring English sources

Fossil fuel-burning and the strong El Niño pushed CO2 levels up by 3.05 parts per million (ppm) to 402.6 ppm compared to 2014.

This was indicated by the enhancement of emulsion stability at a polymer concentration of 1000 ppm compared to that at 100 ppm.

Soil analysis revealed that respiration rates were higher in metal contaminated limed soils (65 ppm) compared to adjacent unlimed areas (35 ppm).

Analysis of the 1 H NMR data showed that the methyl protons chemical shifts (δCH3) for all the three isomers are shifted downfield by 0.15 ppm compared to the methyl protons in the parent compound.

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.

Finally, we develop an LMDI decomposition analysis to determine the additional energy system changes needed to achieve a global GHG concentration target of 450 ppm compared to the moderate policy case.

The observed δ13C NMR chemical shift for UO2 [CO3]35- is 106.7 ppm [79] compared to the 113.6 ppm average value calculated in our model which is in reasonable agreement for a paramagnetic complex considering that pseudo-contact shifts were not considered.

This may be, in part, due to significantly lower water consumption by mice in the 20 ppm as compared to the 12 ppm group.

The monoclinic phase exhibits a slightly smaller chemical shielding anisotropy of 27 ppm with chemical shift principal tensor values of 50, 36.5 and 16 ppm as compared to a shielding anisotropy of 30 ppm and principal tensor values of 50, 35.5 and 13 ppm for the orthorhombic phase.

Plasma cortisol levels during metomidate anesthesia (6 ppm) were compared to fish anesthetized with tricaine methanesulfonate (100 ppm), quinaldine (30 ppm) and clove oil (100 ppm).

However, the pulmonary inorganic arsenic accumulation started declining at 10 and 85 ppm when compared to 0.05 to 1 ppm treatment groups.