ability to live, especially under certain conditions: The viability of a fetus outside the womb has increased dramatically with the advent of new technologies and procedures. 2. the capacity to operate or be sustained: The viability of the company was guaranteed by the success of its new product. Related forms.
Hypervelocity is very high velocity, approximately over 3,000 meters per second (6,700 mph, 11,000 km/h, 10,000 ft/s, or Mach 8.8). In particular, hypervelocity is velocity so high that the strength of materials upon impact is very small compared to inertial stresses. Thus, even metals behave like fluids under hypervelocity
Na+ = Na+ total body + K+ total body/total body water. Consequently, hypernatremia can only develop as a result of either a loss of free water or a gain of sodium or a combination of both. Hypernatremia by definition is a state of hyperosmolality, because sodium is the dominant extracellular cation and solute. The normal plasma osmolality (Posm) lies between 275 and 290 mOsm/kg and is primarily determined by the concentration of sodium salts.