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15 results for “micro”

Formulae (15)

M = \frac{\text{image size}}{\text{actual size}}

How much larger an image appears than the object.

n = \frac{\log N_t - \log N_0}{\log 2}

Number of divisions over a growth period.

N_t = N_0 \times 2^n

Cell count after n binary fissions.

BOD = \frac{D_1 - D_2}{P}

Oxygen consumed by microbes decomposing organic matter.

M = M_{obj}\times M_{eye}

Total magnification of a compound microscope.

N = N_0\times 2^{t/g}

Exponential bacterial growth by generations.

a_w = \frac{p}{p_0}

Ratio of a food's vapour pressure to pure water — governs microbial spoilage.

E_d = \dfrac{\%\Delta Q_d}{\%\Delta P}

How responsive quantity demanded is to a change in price.

E_s = \dfrac{\%\Delta Q_s}{\%\Delta P}

How responsive quantity supplied is to a change in price.

MC = \dfrac{\Delta TC}{\Delta Q}

The added cost of producing one more unit of output.

MR = \dfrac{\Delta TR}{\Delta Q}

The added revenue from selling one more unit of output.

CS = \tfrac{1}{2}\times \Delta P \times \Delta Q

The benefit consumers gain when they pay less than the maximum they were willing to pay.

E_d = \frac{\%\Delta Q}{\%\Delta P}

Responsiveness of demand to price changes.

MU = \frac{\Delta U}{\Delta Q}

Extra satisfaction from one more unit.

OC = \frac{\text{what you give up}}{\text{what you gain}}

Value of the next best alternative foregone.