The phrase "alternating stages" is correct and usable in written English.
It can be used to describe a process or situation where two or more stages occur in turn or switch back and forth.
Example: "The experiment involved alternating stages of heating and cooling to observe the material's properties."
Alternatives: "rotating phases" or "fluctuating steps".
All Lessonia species possess an alternation-of-generations life history, which is characterized by two alternating stages, a diploid macroscopic sporophyte stage (the stage of sample collection for this study) and a microscopic gametophyte haploid stage.
The displacements consist of periodic cycles that involve alternating stages of injection and extraction.
The second phase (5.7 ka BP to present) is characterized by alternating stages of lower and higher thermokarst intensity within the alas that were mainly controlled by local hydrological and relief conditions and accompanied by permafrost aggradation and degradation.
This second volume treats the worst years of the Nazi era: the mass deportations of Jews, the stints of forced labor, the near-starvation, the Allied bombings, the alternating stages of hope and depression as the German war effort weakened and recovered over the years.
The stimulation carried out in the low-permeability volcanics of the Lower Rotliegend (Lower Permian) included alternating stages with cyclic changes of low and high flow rates with up to 150 L/s over six days in conjunction with the addition of quartz sand to support fracture opening.
It should be subjected to alternating stages of strain owing to the sequence of extraction, and a spatial temporal (4 dimension) effect must therefore be considered.
It is established that the Holocene (the last 10 500 years) comprises seven stages of soil formation alternating with stages of intensive erosion and sediment accumulation: 450 950, 2300 2700, 4200 4700, 6300 6600, 7700 8100, 9500 10 200 BP.
A similar volume of petroleum ether (b.p. = 30-60°C 30-60°Ced, the misture is shaddedvigorously, repeathely, alternating with stages of decomixtureon of the lisuid-liquid extraction shaken by rotating with 180° and cautiously opening the stopcock of the separation funnel.
The mixture is shaken vigorously, repeatedly, alternating with stages of decompression of the liquid-liquid extraction system by rotating with 180° and cautiously opening the stopcock of the separation funnel.
It is well known that in alternating sleep stages autonomic cardiac control fluctuates between sympathetic and parasympathetic predominance.
In the light of this, and following the proposal of distinguishing between competing models of diversification for North and Mesoamerica [ 43], we can emphasise tecto-volcanic processes as the crucial factors influencing the evolutionary history of C. ornatum, rather than recent habitat fluctuations caused, for instance, by alternating glacial/interglacial stages.
