Sentence examples similar to hydrogen sample from inspiring English sources
The currently accepted and recommended bubble strip method for hydrogen sampling (Wiedemeier et al., 1998) requires relatively long sampling times and immediate field analysis.
Hydrogen in the product gas mixture was identified and estimated by on-line gas chromatography – thermal conductivity detection, with appropriate support of standard hydrogen samples.
The fibers observed in these images were fabricated from methane and hydrogen (samples A and D following Table1): the first image shows a FGS fiber, while the second, a FS fiber.
Hydrogen samples (4.5 ppmv, corresponding to 3.5 nM in liquid phase) could be stored up to 48 h and 72 h with a recovery rate of 100.1 ± 2.6% and 94.6 ± 3.2%, respectively.
The cylindrical tubes were filled with hydrogen gas and kept at 25°C for at least 36 h to allow exchange between the H sample and hydrogen gas.
After the TPD of hydrogen, the sample was reoxidized at 400 °C by pulses of 10%% oxygen in helium to determine the extent of reduction.
When tested against eight other common beverages, a well-defined chronoamperometric signal was observed only for the hydrogen peroxide sample (E).
Alternatively, samples with less aromatics (light and middle distillates) gave higher hydrogen and samples with more aromatics (heavier cuts) provided less hydrogen content by the NMR method.
The five samples (A to E) have received further treatments to analyze the incorporation and refilling of hydrogen (producing samples F to I).
The fatigue crack growth behaviour of the hydrogen charged samples were compared with specimens without any dissolved hydrogen.
Figure 2 depicts the mid-infrared PC spectra measured at zero applied voltage in the as-grown and hydrogen passivated samples.
