The phrase "and small levels of" is correct and usable in written English.
It can be used when discussing quantities or concentrations of something, typically in scientific or analytical contexts.
Example: "The experiment showed an increase in activity with high concentrations of the substance, but also indicated that there were small levels of impurities present."
Alternatives: "and minor amounts of" or "and low quantities of".
The UK has flat-lined since 2008, and small levels of growth or contraction will have little impact on that general trend.
They express high levels (>100 pg/mL) of IL-6 and IL-8, moderate levels (between 100 and 10 pg/mL) of IFN-γ, and small levels of (between 10 and 1 pg/mL) of IL-7, G-CSF, MCP-1 and TNF-α.
These radicals catalysed the NOx reduction reactions autocatalysis and the resulting flue gas was found to contain very low NOx and small level of ammonia slip.
The high genetic divergence between Italian and northern/central European aurochsen is compatible with a long-term separation and small levels, if any, of gene flow.
The dead coral was structurally intact and with small levels of algal growth and fouling invertebrates.
The nucleotide chemical purity was confirmed by high-performance liquid chromatography (HPLC) (see Figures S1 and S2 of the Supporting Information); typically, the products are 85 90% pure, and the small levels of contaminants present were shown, by comparing in-house and commercially supplied samples, to have a negligible effect on the kinetic measurements.
In most cases where a search in an organism yielded a highly precise result for a pathway, the performance could be improved by combining results from at least one other organism, The results were relatively insensitive to the particular experiments included in the gene expression database and to small levels of error in the orthology predictions.
The NILs (6 8- FT2 and 6 8- ft2) and two homozygous lines (#060452 and #060528) showed small levels of phenotypic segregation compared with lines #060120 and #060501 (Table 2 and Table S7).
The array required a low amount of power (less than 0·6 W) and the detectors induced small levels of magnetic field (magnetic induction less than 5 μT DC and less than 1·5 μT at 576 kHz).
This was probably because the plain RLN was too fragile and could not withstand small levels of shear stress.
Divergent associations across smoking, alcohol use, and education categories showed small levels of heterogeneity due to large CIs overlapping all point estimates.
