نتایج جستجو برای: performance ratio
تعداد نتایج: 1494787 فیلتر نتایج به سال:
The figures of merit luminescence intensity ratio (LIR) thermometry for Er3+ in 40 different crystals and glasses have been calculated compared. For calculations, the relevant data has collected from literature while missing were derived available absorption emission spectra. parameters include Judd–Ofelt parameters, refractive indexes, Slater integrals, spin–orbit coupling reduced matrix eleme...
One of the significant problems of banks and investors in Iran is the lack of precise awareness about the financial performance of each bank and the roadmap for improving the conditions. Besides, the undesirable status of the financial performance of banks becomes evident only when the improvement of conditions is complicated. In this paper, a data mining-based early warning system (EWS) model ...
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