Exact(2)
Quantitative evaluation was made on effects of primary quinoline insolubles (PQI) on the elemental rate processes of mesophase sphere formation from a coal tar pitch.
The ratio of the elemental rate constants, R (secondary amine to primary amine), is obtained directly from a simple equation, its value being < 12, decreasing with temperature.
Similar(58)
For two-dimensional forging problems, the sensitivity equations of the objective function, elemental volume, elemental effective strain-rate and the elemental strain-rate with respect to the design variables are developed.
Then, a conditional analysis based on the limit of detection, is employed to assess the elemental sampling rate.
The elemental dissolution rates of Al at pH 8.5 and Mg at pH 13 did not vary with AC perturbations.
Electrochemical measurements and in situ measurement of the elemental dissolution rates combined with the characterization of the corroded surface are used to argue in favor of an anticorrosion mechanism related to the barrier protection by corrosion products formed.
% Al coated steel in aqueous solutions containing Cl− was studied by direct measurement of the elemental dissolution rates of Zn, Mg and Al by atomic emission spectroelectrochemistry at open circuit potential and under alternating anodic (0.95 V vs SCE) and cathodic (-1.15 V vs SCE) potentiostatic pulses.
On the other hand, stable isotope ratios and trace element concentrations can retain dietary information on larger time scale that depends upon the elemental turnover rates of the tissue.
The results demonstrate that the normalized elemental leach rate of Ca, Ce and Zr were fairly constant in a low value below 5 × 10−2 g m−2 d−1, 7 × 10−6 g m−2 d−1 and 6 × 10−6 g m−2 d−1 after 21 d.
The spatial derivative of velocity - that is, the relative elemental growth rate measuring relative elongation per unit time of elements along the axis, had a skewed bell-shaped distribution peaking at 4.5 mm from the root tip.
We have shown that increasing the sputtered titanium flux in cold target sputtering (CTS), by increasing either the discharge current or the discharge voltage, increases the metalloid content in the coating deposited when the target operates at the higher reactive gas flow rate of the elemental sputtering mode.
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