Because many factors influence population size, erratic variations in number are more common than regular cycles of fluctuation.
The subjects who exhibited a periodical fluctuation of SaO2 during sleep were older and their mSaO2 were lower compared with those who did not exhibit a periodical fluctuation of SaO2, and the cycle of periodical fluctuation got longer with advancing years.
The net loss observed among residents in more-deprived neighborhoods may be capturing a period of loss in a longer cycle of weight fluctuation.
The development time of the gas nucleus from the initial radius to the critical radius is about 10−7 10−5 s; therefore, the gas nucleus has sufficient time to develop into bubbles in the negative half-cycle of flow fluctuation.
Each of these sequences is produced by a cycle of sea level fluctuation and has been designated as sequence I, II, III, IV, V, VI and VII between 13 and 22 At1 in the study area.
A rough cyclical pattern can be however observed that goes by spacing the insulin injections, probably several times over a day, and the corresponding cycle of blood glucose fluctuation follows closely.
The reproductive cycle of women exhibits fluctuations in plasma and brain steroid hormone concentrations (e.g., estradiol and progesterone, among others) that are related to anxiety and mood swings.
Contrary, ectothermic vertebrates regularly experience brain cooling during day/night cycles of thermal fluctuations, or on seasonal scales, during winter in temperate regions.
Although the unemployment rate fluctuates in line with the business cycle, the fluctuation of age-specific unemployment rates differs significantly across Organization for Economic Co-operation and DevelOECDnt (OEcountriesries.
Because of the complexity of economic phenomena, it may be that there are as many types of fluctuation or cycle as there are economic variables.
