نتایج جستجو برای: o39

تعداد نتایج: 45  

Journal: :Ceramics International 2022

The novel orange to red color Bi 24 Al 2- x Cr O 39 (0≤ ≤ 0.5) compounds were successfully synthesized by the solid state method. With increase of content, colors are tuned from dark red. X-ray diffraction patterns all samples indexed with cubic 2 structure space group I 23. oxidation in oxide is confirmed be +4 valence photoelectron spectroscopy (XPS) and electron paramagnetic resonance (EPR)....

We undertook a sensitivity analysis of the key demand factors leading to changes of energy consumption in the competitive market, using a Leontief demand-driven approach. We applied the Leontief model to previous research results to study the most sensitive factors leading to the change of energy demand in different economic sectors. Based on the 2011 Iranian symmetrical input–output table, the...

2002
David T. Robinson Toby E. Stuart George Baker Bernard Black Alex Butler Robert Gibbons Bengt Holmström Per Strömberg Andy Wong

We conduct a detailed, micro-level analysis of 126 strategic alliance contracts, all of which were written to sponsor early-stage, genomics-based biotechnology research at small R&D companies. All contracts prescribe staged investment decisions to capture the option value associated with the sequential resolution of uncertainty, but the contracts deal with agency problems differently. Among pre...

Journal: :Processes 2023

Microbial fuel cells (MFCs) are a promising technology that can be applied in bifunctional process which wastewater treatment is used for renewable electric power generation. In this study, novel transition metal-modified Keggin-type lacunar polyoxometalate salts (L-POMs) Cs5PMo11M(H2O)O39 (M = Fe, Co), were synthesized and characterized by X-ray diffraction, SEM, EDX, IR, TGA/DSC, UV-Vis/DSR s...

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