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Nitrobenzene extraction enhanced by salting-out effect was employed to recover aniline from wastewater at 25°C. The batchwise experiments were conducted to elucidate the influence of various operating variables on the extracting performance, including acidity of wastewater, initial aniline concentration, ratios of solvent versus wastewater, extraction stages, concentrations and species of inorganic...
We studied the electromechanical properties of PMN-PT and PZN-PT single crystal plates poled along [001] with thickness t ranging from 800 down to 70 mum. In the case of the tetragonal single domain state (IT), the properties of the thickness mode remain stable down to 250 mum. Below 250 mum, an instability of the polarization is shown. The plates exhibit regions where polarization lies in the plane...
The classical and modified Banach--Mazur distances are studied. A relation between the modified distance and the volume ratios is established. The volume ratios are calculated for the spaces $$l_n^p $$ and their sums are estimated for arbitrary finite-dimensional spaces.
We extend classical volume formulas for ellipsoids and zonoids to p-sums of segments $${vol}\left( {\sum\limits_{i=1}^m { \oplus_p } [ -x_i ,x_i ]} \right)^{1/n} \sim_{c_p} n^{ - \frac{1}{{p'}}} \left( {\sum\limits_{card(I) = n} {|\det (x_i)_i |^p}} \right)^{\frac{1}{{pn}}}$$ where x1,...,xm are m vectors in $$\mathbb{R}^n ,\frac{1}{p} + \frac{1}{{p\prime }} = 1$$ . According to the...
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