Sentence examples for concentration of base from inspiring English sources
As found, the rate of dehydrodimerization changes proportionally with the concentration of base sites on the catalytic surface.
Various parameters affecting the extraction efficiency, viz., choice of extraction and dispersive solvent, salt effect, speed of syringe pump, back extraction time period, effect of concentration of base and acid, were evaluated.
Representative SPR bands of sliver nanoparticles are shown in Figure 1, where all the tested concentrations of base are compared for the synthesis of uniform Ag NPs using optimum concentration of base.
The initial acid value of the oil was determined according to the China standard method (GB/T5530 2005) and was found to be 83.07 mg KOH/g oil using Eq. 1 {text{Acid value}} = frac{{56.1,left( {text{base}} right),V}}{w} (1 where V is volume of base, (base) is concentration of base, and w is mass of oil sample.
Finally, we examined variation in the concentration of base.
In this case, we chose a concentration of base below the concentration of acid that will be generated in the electrochemical reaction.
Methyl iso-butyl ketone was identified as the best solvent for the nonaqueous titration providing both accurate measurement of the total concentration of bases as well as providing a means of differentiating between strong and weak base constituents.
However, no significant differences in pH or concentrations of base cations in the soil were observed in the 0 10 cm soil layer after the application of NPK alone or NPK plus the other three organic amendments.
For AL Ag NPs, 0.6 M NaOH was found to be optimum among all the tested concentrations of base while keeping the concentration of the lysozyme constant.
For comparing the formation of AL Ag NPs using all tested concentrations of base in day-wise fashion, see Additional file 1: Figures S1 and S2.
Nevertheless, felsic rock-hosted hydrothermal systems affected by magmatic volatile inputs clearly exhibit high concentrations of base metals and low pH (Figure 4).
