Sentence examples for compounds over a from inspiring English sources

The use of a Carberry-type reactor has been investigated for the complete oxidation by oxygen of various water-soluble organic compounds over a platinum on porous polydivinylbenzene catalyst.

To address this problem we have collected an extensive dataset for six different volatile organic compounds over a period of three years under tightly controlled operating conditions using an array of 16 metal-oxide gas sensors.

However, degradation issues such as oxidation of alkali metal compounds over a period of time leads to poor stability [50].

The non-polar fatty acid methyl esters were separated from the polar compounds over a small Al2O3 column using DCM as eluent and analyzed on a Hewlett Packard 6890 gas chromatograph equipped with a fused silica capillary column (50m × 0.32mm) coated with CP Sil-5 CB (film thickness 0.12 μm).

If you eat or breathe in silver compounds over a long period of time (several months to many years), your skin and other body tissues can turn gray or blue-gray.

The issue of reproductive toxicity, when children fall ill because of the accumulation of various toxic compounds over a long period in their parents' bodies, has not surfaced very often because many parents blame themselves and keep their children's condition hidden.

The strongest trends on indirect comparison are towards favouring gemcitabine plus capecitabine or gemcitabine plus a platinum compound over gemcitabine plus irinotecan, and to a lesser degree, over gemcitabine plus 5-fluorouracil.

Compared to a commonly used SPME fiber made of polydimethylsiloxane (PDMS), it showed a preference for the nitrogen heterocyclic compound over a non-heterocyclic control, phenol.

Those ordering effects operate in both price and commodity dimensions and are observed to compound over a series of choice tasks.

The research started with the evaluation of pH effects (pH 1 14) on the hydrogenolysis of a lignin β-O-4 model compound over a Ru catalyst (a stable catalyst over a wide pH range), from which a significantly increased selectivity towards monomeric compounds was observed in the presence of base.

Compounded over a year, Lyft is seeing 20X growth.