Sentence examples for ppm was not from inspiring English sources
Breathing 40 and 80 ppm NO decreased myocardial I/R injury to a similar degree, but 20 ppm was not effective.
Rapamycin at 4.7 ppm was not effective in increasing male lifespan in the pooled data set, although it did lead to significant lifespan extension (16%, P = 0.02) at UM.
This study is one of the earliest controlled human volunteer chamber studies, testing responses to formaldehyde at concentrations of 0.35, 0.56, 0.7, 0.9, and 1.0 ppm; 100 ppb (i.e., 0.1 ppm) was not tested.
The putative neuronal marker NAA (N-acetyl-aspartate) (Urenjak et al, 1992) with a chemical shift of 2.0 ppm was not distinguishable at short TEs where lipid signals overlapped with this spectral region.
An apparent quintet at δ 4.37 ppm was not observed for the methine proton adjacent to the N-atom of cross-link (R)- 1 and the methyl group at δ 1.30 ppm appeared as a singlet instead of a doublet.
When scaling on PL signals, the signal corresponding to the bis-allylic protons of long chain polyunsaturated acyl groups (PUFA; signal 14 in Figure 1) at 2.84 ppm was not changed, indicating unaltered levels of long chain PUFAs upon TCDD treatment.
In a few cases high CSNT values (>2000 ppm) were not associated with excess N rates.
The metal content (when present in the order of magnitude of ∼10 ppm) is not a straightforward indicator of the electrocatalytic performance for this reaction.
It was found that the flocculation of hematite pre-conditioned with starch (≥ 4 ppm) is not affected by the subsequently added dispersants, since the zeta potential of hematite protected by starch macromolecules is independent of the subsequently added dispersants.
Varying the CO specification from 0.1 to 1 ppm is not expected to affect the cost of hydrogen significantly, although the cost of gas analysis to comply with such stringent requirements may add 2 10 cents/kg to the cost of hydrogen.
According to Fig. 3a, 1H-NMR peaks of olefinic bond in AMPS and AM, which should occur around 5.7 6.6 ppm, were not found, suggesting that polymerization had been carried out successfully.
