Abstract: Recent literature has suggested that the McCumber relation relating laser emission and absorption cross-sections is not valid for erbium:glass. We present a theoretical and experimental ...

Geologists from the University of Hong Kong (HKU) have made a breakthrough in understanding how Earth's early continents ...

Average absorption cross section can be measured in a reverberation chamber with an uncertainty estimated from the number of independent samples of the chamber transfer function taken during the ...

Objective To analyse caesarean section (CS) using Robson 10-group classification system in an Ethiopian university hospital. Design Cross-sectional study. Setting A university hospital in eastern, ...