The cracked reactor effluent is fractionated in a distillation column.
The mare basalts show a wide range of chemical and mineral compositions reflecting different conditions in the deep regions of the mantle where, presumably because of heating from radioactive elements in the rock, primordial lunar materials were partly remelted and fractionated so that the lavas carried unique trace-element signatures up to the surface.
When the effect is systematic, increasing or decreasing steadily as mass number increases, the new pattern of isotopic abundances is said to be mass fractionated with respect to some standard pattern.
In one approach, cells are ground up and the substituent chemicals are fractionated for further analysis.
As the cell has become fractionated into its component parts, protoplasm, as a term, no longer has meaning.
The tar may be fractionated to yield creosote, oils, and pitch.
"It is well known in radiation biology that radiation-induced damage from a given dose of radiation is less effective if it is protracted or fractionated," he said.
Until then, the road ahead is full of booby traps and hurdles in a society that is fractionated.
The survey findings are significant because industry executives are frantically searching for ways to forge more emotional connections with fractious, and fractionated, consumers that differ from conventional methods like running 30-second television commercials and print advertisements.
The significant differences among the ethnicities that compose the Asian-American population require marketers to spend additional time and money to communicate with a group that is relatively small -- 4percentt of the total United States population -- and at the same time highly fractionated.
The plasma is tested for H.I.V., hepatitis and other pathogens, and is then "fractionated" using a combination of ethanol and salt concentrations to yield a few drops of antibodies, which are proteins.
