Sentence examples for ppm to be from inspiring English sources

A lock-in amplifier design permits a CO2 concentration of 50 ppm to be detected on gas bench rig.

The ruling State Council announced earlier this month that it will unveil new standards for diesel in June and petrol in December that will cap the sulphur content at 10 ppm, to be implemented nationwide by 2017.

Natural gas companies typically consider 40,000 ppm to be the threshold for a risk of explosion.

These streams would allow PPM to be used for strategic project selection and resource planning taking into account a potential future stream of known projects and unknown projects.

In contrast with RES4, all size fractions revealed intense signals for alkyl protons (0.7 to 1.4 ppm), to be ascribed to methylene chains or CH2 groups in various lipid compounds, such as plant waxes and polyesters.

Using results of the preliminary IVC studies, on two terrestrial orchid species at RBG Kew, the concentrations of NaDCC and PPM to be used in this study were optimised.

The target value of 1200 ppm was more than met, however the target value of 800 ppm proved to be more difficult to achieve.

Current federal regulations allow up to 65 ppm mercury to be used in cosmetics as a preservative and germicide.

For the MPSS data, less than 5 ppm was considered to be a background level of transcript, 5 50 ppm was considered low [ 24] and above 500 ppm classified as high.

The two lowest concentrations of cadmium tested (0.01 and 0.03 ppm) were not pressor; the three highest concentrations (10, 25, and 50 ppm) ultimately proved to be toxic.

The C23H1′ chemical shift for the 11-mer was 4.85 ppm but was predicted to be 3.77 ppm.