Cycle: Encyclopedia II - Cycle - Science

Cycle - Science

Cycle - Astronomy

• • The eclipse cycle and the Saros cycle.
  • The solar cycle related to sunspots.
  • The full moon cycle.
  • The Metonic cycle in calendars.
  • The Sothic cycle in the ancient Egyptian calendar.
  • The Great year related to the precession of the equinoxes.

Cycle - Biology

• • The life cycle;
  • The reproductive cycle;
  • The cell cycle;
  • The sleep cycle;
  • The lytic cycle related to viruses;
  • The honeybee life cycle;
  • The eel life cycle;
  • The earthworm organic cycle;
  • The urea cycle; and
  • The Menstrual cycle.
  • The human sexual response cycle
  • The nutrient cycle
  • The nitrogen cycle
  • The phosphorus cycle
  • The carbon cycle

Cycle - Chemistry

• • A series of chemical reactions. See e.g. Citric acid cycle, the Born Haber cycle or the Calvin cycle.
  • Biogeochemical cycles such as the Ozone-oxygen cycle (see list there).
  • A cyclic compound. See also alicyclic compound

Cycle - Physics

• In physics, the CNO cycle is a type of fusion reaction.
• The Rabi cycle is a term in quantum optics.

Cycle - Geology

• • The water cycle
  • The rock cycle

Cycle - Meteorology

• The Milankovitch cycles in paleo-climatology
• The Rapid Update Cycle for weather forecast

Cycle - Engineering

• • The Otto cycle, the Diesel cycle, the two-stroke cycle, the Miller cycle and the Atkinson cycle in cars;
  • The Carnot cycle, Rankine cycle, Stirling cycle and Ericsson Cycle in heat engines;
  • The Brayton cycle in a gas turbine;
  • The combined cycle in power plants;
  • The Refrigeration cycle
    • The rocket liquid air cycle engine
    • The expander cycle
    • The Gas-generator cycle
    • The rocket Staged combustion cycle
    • The rocket Pressure-fed cycle
• The Nuclear fuel cycle
  • Bicycle, tricycle and unicycle. See also Freight bicycle.
  • Motorcycle.

Cycle - Mathematics

• • A cycle in a permutation. See also cyclic permutation and cycle notation.
  • A cyclic group.
  • A cycle and a Hamiltonian cycle in graph theory. See also cycle space and Floyd's cycle-finding algorithm.
  • A cycle is an element of a homology class. See also Hodge cycle.
  • The Limit-cycle in dynamical systems, e.g. the Lotka-Volterra cycle.
  • A cycle matroid.
  • A cyclic order

Cycle - Computer science

• The Instruction cycle in a CPU

Cycle - Military science

• The Boyd cycle in military strategy.

Cycle - Political science

• Top cycle, a notion in voting systems.

Adapted from the Wikipedia article "Science", under the G.N U Free Docmentation License. Please also see http://en.wikipedia.org/wiki