Sentence examples for concentrations of around from inspiring English sources
Glucose was present at concentrations of around 0.1 mM throughout the reactor.
While terrestrial uranium resources are seen to be limited, there are approximately 4 billion tonnes of uranium in seawater and although uranium only exists at concentrations of around 3.3 ppb, selective extraction has been achieved.
Already at sample concentrations of around 36 copies/µl of JCV, the Amp-PCR can be over-saturated if being run for 16 h (Figure 3D), while a shorter incubation time will generate normal curves as seen in Figure 2.
To put that number in perspective, the atmosphere is currently teeming with carbon concentrations of around 385 ppm.
Thus, a maximum elongation-to-failure was obtained at carbon concentrations of around 0.1 mass%.
The result of these reactions is an equilibrium of molecular oxygen and ozone, with ozone concentrations of around 1000 10,000 ppbv and molecular oxygen concentrations of around 210 million ppbv.
Concentrations of fluoride in salt range from 90 to 350 mg/kg, with studies suggesting an optimal concentration of around 250 mg/kg.
With a concentration of F-actin from the filament counts of 490 µM (see above), this ratio translates a G-actin concentration of around 150 µM.
Optimal conditions for growth are 28°C, a sea salts concentration of around 4% (w/v) and a pH value between 7.5 and 8.0.
In the case of flavone, in vivo measurements have demonstrated that flavone acetate exerts anti-neoplastic actions at a plasma concentration of around 360 μM and is acutely lethal at 2.1 mM [ 47].
