The phrase "alternation was" is correct and usable in written English.
It can be used in contexts discussing changes, variations, or shifts in a particular situation or subject matter.
Example: "The alternation was evident in the way the seasons changed from winter to spring."
Alternatives: "the variation was" or "the change was".
It must be, because, as the Clinton-Obama race turned nasty, a rapid alternation was noticeable among the sort of obsessive Democrats who follow every twist and turn.
Furthermore, though odd even alternation was present in the melting point data, no mention of this feature was made by Bui [73] or explanations presented.
Odd even alternation was also reported for the chemical shift, of the carboxyl carbon which is a first in metal carboxylate chemistry [70].
Thirdly, a novel layer-backfill mining method of room-pillar alternation was designed to reduce the disturbance and settlement of terrain in mining area.
In the case of silver(I) n-alkanoates [70], odd even alternation was observed in νasCH3 absorptions, in addition to the νasCOO frequencies, which was never reported for any other metal carboxylate system; that is, νasCOO values were consistently higher for the even chain compounds indicating greater metal carboxylate interactions.
In these models short chain length compounds, nc < 9, did not show overlapping of the hydrocarbon chains, hence, methyl methyl carbon carbon interactions between the layers within the lamellar did not influence their molecular packing; therefore, odd even alternation was not observed.
It would move energy among grids that all use alternating current, but the alternation is not synchronized, and it would use advanced electronic controls to stabilize each grid.
When the alternation is too rapid, we get passages like the following.
PRI leaders argue that actual alternation isn't needed -- that it is enough for them to reform their party's values from within.
Ms. Kowroski's high kicks and backbends, especially when they come in rapid alternation, are knockout effects.
In the latter, such alternation is evident in both the morphological and the nuclear (chromosomal) changes that occur.
