Example sentences for: π
How can you use “π” in a sentence? Here are some example sentences to help you improve your vocabulary:
A stochastic dictionary D is constructed for a given signal length N and chosen "resolutions" 1in time, frequency and scale (Δ t , Δω and Δ s ). The space of parameters t , ω and s is thereby divided into bricks of size Δ t by Δω by Δ s each, where ω ∈ (0,π).
π
Storey and Tibshirani tackled this problem by multiplying FDR by an estimate of the proportion of true null hypotheses, π 0 . A detailed description of the algorithm can be found in Storey and Tibshirani [ 6 ] . Following their approach, the 18% false discovery rate is lowered to about 13% by assuming that not all hypotheses are null.
c brings its electronegative carboxyl group into conjugation with the π system of the macrocycle, with the same effect [ 22 ] . As a consequence, the central Mg atom of Chls b and c has a greater affinity for exogenous electrons, thus is a stronger Lewis acid.
Water permeability (P f , μm s -1) was then determined from the equation P f = J v /(A s V w δC osmol ) where A s = luminal surface area (π DL), V w = partial molar volume of water (18 ml/M), δC osmol = transepithelial osmolality gradient [ 18 ] . When the effect of TEA on water movement was examined, TEA bromide (10 mM) was added to the bathing medium and the NaCl concentration was reduced by 10 mM to maintain the osmolality constant.
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