Sentence examples for a periodic cycle from inspiring English sources

Epidemics may follow a periodic cycle set by the seasons, as in influenza; epidemics may follow a period set by the yearly recruitment of newborn hosts, as sometimes happens in measles; or epidemics may arise sporadically.

The eruptions ceased in 1921, but evidence has suggested the possibility of a periodic cycle for volcanic activity in the area.

The working principle of these propulsion systems is a periodic cycle of energy accumulation from the energy source at the passive stages of orbital transfer, and its discharge to supply power to the engine during the active stages of orbital transfer.

The system updates, in a periodic cycle of 2 seconds update, the contextual elements.

At same time, the numerical simulation shows that the solutions of model (1) converge to a periodic cycle in Figure 4. Figure 4 The solution of model ( 1 ) converge a periodic cycle with c = 0.44.

At same time, the numerical simulation shows that the solutions of model (1) converge to a periodic cycle in Figure 6. Figure 6 The solution of model ( 1 ) converge a periodic cycle with r 1 = 0.8.

If the long-term loading is periodic in time, we anticipate that the system will eventually approach a steady periodic cycle.

These are identified by means of the scanning electron micrographs of the Fe surface taken at various potentials of the oscillatory region and various times during the course of a bursting periodic cycle.

The model incorporates the friction force as a function of sliding velocity, which allows for the self-excitation of the coupled vibration of the rotating bit and striker, which tends to a steady state periodic cycle.

Fatigue crack growth tests were performed on an Al-Cu alloy under specially designed load sequences with a periodic overload cycle.

A process-based system is believed to be a good approach for agricultural purpose because agricultural activities are carried out according to a periodic (annual) cycle.