Analysis of these observations shows that global average OH levels had a small maximum around 1989 and a larger minimum around 1998, with OH concentrations in 2003 being comparable to those in 1979 (that is no significant long-term trend).
The flux of the background was ∼1.5 × 10−2 s−1 cm−2 keV−1 at 50 keV, being comparable to those of the past observations measured by CdZnTe detectors.
The specific mechanical properties of the resulting cellular glass-ceramics, being comparable to those of conventional porcelain stoneware, sintered above 1100 °C, suggest an extensive use in the building industry as lightweight panels, considering also the negligible water absorption and the chemical stability.
The best results were obtained for the activated carbon with the highest surface area and greatest amount of micropores, sulfur and acidity character, these results being comparable to those of an activated carbon impregnated with sulfur specifically designed for capturing elemental mercury.
Our clinical results were excellent or good in 13 patients (65 %), these results being comparable to those of Schubert et al.
Contemporary approaches to training, referral, mentoring, surgical planning, and other support practices might contribute to the observed outcomes of junior congenital heart surgeons being comparable to those of more experienced colleagues.
