Sentence examples for ppm were placed from inspiring English sources

In fact, hydroxylated alkyl chains were also evident in DOSY spectra (Figure 5G), in which the projection of several alkyl protons, resonating at 1.35, 1.6, 2.1, and 2.3 ppm, were placed relatively downward (greater diffusivity) than lipid signals.

Two pigs which had received 200 ppm of PBB were placed on the control diet and over the next 14 weeks normal growth rate occurred.

For exposure to anoxia (operationally defined as < 10 ppm O2), isolated embryos were placed directly on OP50 bacteria and grown in room air at 20° for approximately 30 hours to stage L3.

About 0.5, 1.0, 1.5, 2.0 and 2.5 g of adsorbents were added separately to 100 ml of phenol (100 ppm) in different flasks, the flasks were placed in a shaker for 24 h at 120 rpm at room temperature, so that the phenol may come in contact with the adsorbent sites.

Air from outside the building was pumped via a purge gas generator (PCDA-1-12-m-32-C, Pure Gas, Broomfield, Colorado, USA) that removed CO2 and water vapor to less than 1 ppm through metabolic chambers where birds were placed.

Rat pups and their dams were placed in a chamber containing 20 ppm NO during the first week of life.

Between P22-P32, male rats were placed into a glass chamber and exposed to either toluene vapors (5 000 6000 ppm) or clean air for 10 min a day.

After 4 days fresh plugs were placed on experimental media shown in Table 2. Amaranth was added at 50 ppm (83 μM) unless otherwise stated.

B2O3 ZnO La2O3-based B2O3 ZnO La2O3-basedon the surface of the coatinglassesheat-treated in a glass molding atmosphere of 15-ppm O2–N2 at a molding temperature of 600 °C.

Rats (six animals per group) were placed in individual stainless-steel wire-mesh cages inside a 135-L exposure chamber and exposed to either 2.0-ppm O3 or 5.0-ppm O3 for 2 hr.

While patients who develop heart block during the procedure may be paced in the ICU until PPM can be placed, a backup mode may be useful in patients at risk for arrhythmias.