Sentence examples for cyclical alternation from inspiring English sources
This idea contradicts the classical perspective of Brazilian geomorphology that attributes the cyclical alternation of Quaternary paleoclimates to the evolution of the model of the subtropical landscapes.
In BD, a cyclical alternation between the two poles (mania and depression) is observed, with a periodicity measured in days, weeks, months, or years (Fisfalen et al. [2005]; Goodwin and Jamison [2007]).
Furthermore the opposing forces that are manifestations of fire form unities of cyclical alternation—"day night, winter summer, war peace, satiety hunger unity"(Fr. 204)—that proceed within the limits of a quantitative measure (metron) reinforced by a "law" of nature (Fr. 226).
In our study, H4ac, H3K9me2 and DNA methylation showed cyclical alternations associated with chromatin condensation and decondensation during mitosis in maize root tip cells.
Our results suggest that the pharmacological action of urethane in the brain closely mimics the physiological mechanism(s) for the maintenance of the natural sleeping state in rats and thus implicates this preparation as a valid model for the investigation of brain mechanisms giving rise to cyclical state alternations.
Monogononts normally reproduce by cyclical parthenogenesis, an alternation between ameiotic parthenogenesis and sporadic sexual episodes [13].
Thus, stimulation of forebrain-activating brainstem sites implicated in the pacing of cyclical brain state alternations during sleep subsequently disrupts state cycling under urethane anaesthesia.
In the Northern Hemisphere, the Lower Carboniferous (Mississippian time) is typified by shallow-water limestones, while the Upper Carboniferous (Pennsylvanian time) possesses cyclical sedimentary deposits that reflect an alternation of marine and nonmarine conditions and a frequent occurrence of coal swamps.
The population structure of cyclical parthenogens such as water fleas is strongly influenced by the frequency of alternations between sexual and asexual (parthenogenetic) reproduction, which may differ among populations and species.
