The principles of continuum mechanics provide a consistent
framework for the derivation of mathematical statements describing
transport of water and solute, and growth in plant tissue. These
derivations are based upon the explicit consideration of the tissue as
a mathematical continuum composed of a cell wall matrix, water, and
solute...
Three isolates of Escherichia coli were labeled by their resistance
to sodium azide and, separately, to novobiocin, nalidix acid, and tetracycline.
The strains exhibited a high degree of persistence in the soil
environment and were recoverable on strain specific media at levels
within the 95% confidence interval of the numbers...