Having no fixed units of measure, no coins, no commerce beyond the rudest barter, no system of taxation, and no needs beyond those to sustain life, people had no necessity for written numerals until the beginning of what are called historical times.
These manually-selected neighborhoods were then compared to fixed units defined by the Census Bureau to check for similarities and differences.
But early on, Barr changed the temporary lighting fixtures and thin walls, which had allowed for flexibility in the displays, into fixed units.
They normally operate in fixed units of two, making a pair capable of hauling a 8600 t ore train.
However, myofibers are not fixed units but are capable of responding to functional demands by changing the phenotypic profile.
Because the data were counts of predation events over fixed units of time and space, consumption was initially modelled by a Poisson sampling distribution around the fitted function.
Phenol-inactivated whole-cell antigen of the type strain MmmSC PG1, which was previously checkerboard titrated, was used as antigen at a concentration of 2 complement fixing units.
Some programs have produced reports of the effective and beneficial use of mobile units (MU) as well as fixed units (FU) for screening, according to specific organizational and geographic situations [ 7, 8].
In the existing models, crypts are usually regarded as prescribed and fixed units, and focuses of study have mainly been on dynamics of different types of cells and their mutants within single crypt.
In two areas screening took place at GP practices with additional fixed units at a central location/hospital, whereas in another patients were invited to make an appointment with a participating high-street optometrist.
