Sentence examples for At ppm from inspiring English sources

The NO2 sensing capability of the present cobalt porphyrin systems, at ppm levels, has been demonstrated.

HS is generally present at ppm level in pond water and a slight excess makes the water brownish.

Very recently, Smith and Korgel demonstrated that iodide impurity at ppm concentrations present in CTAB prevents gold NRs formation [21].

One such impurity, phosphine is known to cause catastrophic failure of SOFC anode at ppm level concentrations.

The strong fluorescent emission can be observed even at ppm level concentration of the probe in the presence of Al3+ with 41 fold intensity enhancement at 545 nm.

The ceramic process makes possible uniform co-doping at ppm levels to control electronic defects responsible for afterglow, reducing it to levels below detectibility in CT images.

This study reveals that the specially designed fluidized bed device is able to enrich enough amount of analyte in a quite short time, and based on this dynamic adsorption model, it is possible to detect analyte in solution quantitatively at ppm-level by NIRDRS.

This study found that a substantial proportion of TB patients cared for at PPM-DOTS hospitals are not managed under the DOTS strategy.

Chemical shifts of the proton resonances were referenced to the water resonance at 4.77 ppm at 25 °C and 4.95 ppm at 7 °C.

Siderophile element abundances in PA1 are Co at 1.6 ppm, Ni at <18 ppm, and Ir at <3 ppb.

In the 10-day study, 1,3-butadiene induced significant increases in sister chromatid exchange (SCE) at 6.25 ppm, micronuclei at 62.5 ppm, and chromosomal aberrations at 625 ppm.