Although there are well-established means of measuring the increase of carbon in a stand of growing trees, other sinks may present problems.
The Social Security adjustment, based on measuring the increase in consumer prices from the third quarter of last year to the third quarter of this year, is the smallest since a 1.3percentt rise in 1999.
Measuring the increase in friendly poker games is a far cry from determining how many teenagers are brooding over their losses or selling their parents' possessions to pay off debts.
While most economists agree that any significant improvement in the U.S. economy is generally accompanied by an uptick in G.O.P. questions about Mr. Obama's place of birth, there is now an econometric tool for measuring the increase in those claims: the so-called S. & P. Birther Index.
Then we record bacterial growth in all the samples (e.g., by measuring the increase in optical density as the culture medium clouds up due to the bacteria).
The aryl-glycoside activity was determined by measuring the increase in absorbance at 405 nm due to the release of pNP.
Cell proliferation was determined by measuring the increase in cell numbers from 24 to 72 h of culture without renewal of the medium.
Using pNPαAraf as substrate, enzyme activity was determined by measuring the increase in reaction mixture at 405 nm, and the results of purification are summarized in Table 1.
They are based on measuring the increase in temperature upon photon or particle absorption with a sensor operated at the transition between its superconducting and its normal state.
LTP was assessed by measuring the increase in the initial slope of the population excitatory post-synaptic potentials and the amplitude of the population spikes.
The mass transfer per bubble was determined by measuring the increase in oxygen concentration of the liquid phase with an oxygen electrode and counting the number of bubbles.
