The niobium phosphate bronze. beta.-K sub 2 Na sub 2 minus x Nb sub 8 P sub 5 O sub 34, second form of te first member of the series (K sub 3 Nb sub 6 P sub 4 O sub 26) sub n …

The goal of this thesis is to address the aforementioned motivations and research gaps in the confluence of improving verification and validation processes using flight testing

In order to obtain as much information as possible on SACR and in view of planned studies on its low-temperature phases, the present work was undertaken with

which is defined as an uninterrupted periodic chain ( of strong bonds, disregarding the conditions of stoi- ,. chiometry and electroneutrality [ 11]. We simplify by

L'observation au microscope à lumière polarisée met en évidence la structure générale des céramiques. La première observation remarquable est leur porosité très

Fitting these I-V characteristics using the vortex glass and the collective flux creep theories reveals a rapid change of the collective pinning energy U„suggesting that an

Evidence for a first-order electric-field-induced phase transition in P\1N crystals, from the disordered cubic phase to a polar trigonal 3m phase, has recently

Correlating the experimental data of hydroxyl radicals photogeneration with theoretical calculations results, it is evident that the increasing order of photocatalytic activity

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