"Procedure for the obtaining of radioactive sources of Iridium-192 of high specific activity by irradiation with neutrons of fine disks of iridium" characterized by the irradiation by neutrons in a nuclear reactor, of iridium disks of adequate dimensions irradiated separately, joining them later to ...
The term “specific activity” is defined as the amount of radioactivity – or the decay rate – of a particular radionuclide per unit mass of the radionuclide. For example, the specific activity of Ra-226 is 1, meaning that one gram of Ra-226 contains one (1) curie (assumed to be ...
we analysed the activity of single units in the CA1 and CA3 regions of the dorsal hippocampus (n = 2,042 cells) and the MEC (n = 1,313 cells) in freely moving rats (n = 4) exploring a square open-field arena. The rats exhibited a wide range ...
Iridium Substitution in Nickel Cobaltite Renders High Mass Specific OER Activity and Durability in Acidic MediaElectrochemical water splittingOxygen evolution reactions (OER)Iridium nickel cobaltite compositeIr based efficient anode compositeOxygen evolution reactions being kinetically sluggish and highly expensive...
Specifically, composite comprising 20 mol% iridium in NiCo2-xO4 rendered acid stable 15 folds enhancement in mass specific OER activity relative to IrO2 resulting in substantial reduction of iridium content. Fabricated composite displayed an onset potential and tafel slope of 1.425 V and 40.4 mV ...