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30 gru 2014 · Combined synthesis experiments and first-principles calculations show that MgSiO 3 -perovskite with minor Al or Fe does not incorporate significant OH under lower mantle conditions.
Combined synthesis experiments and first-principles calculations show that MgSiO3-perovskite with minor Al or Fe does not incorporate significant OH under lower mantle conditions.
23 maj 2014 · Both in situ XRD and ex situ STEM-EDX analysis demonstrate the disproportionation reaction of (Mg,Fe)SiO 3 pv to a nearly Fe-free pv and an Fe-rich H-phase at 95 to 101 GPa and 2200 to 2400 K. Therefore, we suggest that (Mg,Fe)SiO 3 pv may not be the major
29 wrz 2015 · Laser-heated diamond anvil cell experiments are performed using a nearly hydrostatic neon pressure medium to determine the thermal equation of state of synthetic 13% Fe-bearing ferrous (Mg, Fe)SiO 3 bridgmanite.
30 lis 2007 · We finally investigated pyrope and an Al–(Mg,Fe)SiO 3 composition relevant to subducted mid-ocean ridge basalts (MORBs). We purposely restrained our investigation of the compression of aluminous perovskite in the stability field of this phase.
8 gru 2022 · At low operating temperature (∼120°C) and low gas concentration level (∼0.5 ppm), it was observed that SR and SRN nanohybrids demonstrated improved NO 2 gas sensing response, that is, 55.2% and 84.5%, respectively.
19 gru 2015 · Although there are some researches about humidity sensing of iron oxide gas sensors in the form of pure composite (NiFe 2 O 4 –Fe 2 O 3) , or doped , however in this review we will focus on gas sensing properties of α-Fe 2 O 3 based gas sensors.
