The phrase "at low numbers" is correct and usable in written English.
It can be used when referring to a situation or condition where quantities or values are minimal or below a certain threshold.
Example: "The experiment showed that the reaction occurred at low numbers of reactants, indicating a high efficiency."
Alternatives: "at minimal levels" or "at reduced quantities".
On Monday, 72-year-old Jackson visited Cambridge University Union, where he expressed disgust at low numbers of black students in Oxbridge colleges.
"It's quite possible that this particular wasp is exerting a fair amount of pressure and actually keeping the spiders at low numbers," Dr. Austin said.
It was the bond market that voted "no" at the end of the day, with yields on Treasury securities staying at low numbers and yields on euro zone debt rising.
Secondly, CTC detection at low numbers could be a prognostic marker for disease progression.
Results indicate that conditions for interspecific facilitatory processes are possible at low numbers (<100 individuals) of griffon vultures (Gyps fulvus).
(4) Suture eyelets formed of biodegradable materials can fail at low numbers of cycles by cutting of the suture through the biodegradable eyelet during cyclic loading.
The coatings with uniform distribution posses a good wear-corrosion resistance and almost no wear loss volume at low number of fretting cycles.
To analyze the size distribution and particle number concentration of AgNPs and AuNPs in environmental water and track their stability at low number concentration, a systematic study on SP-ICPMS was presented.
More recently, Steg et al. showed the presence of CD133, ALDH1A1, and CD44 at low number in primary samples.
PCR was carried out at low number of cycles (25 30) in order to catch a difference in the number of cDNA copies between the samples.
The CPU time for no pooling could be substantial, and at low number of markers it was even higher than for partial pooling.
