-
Cycling, also
known as
bicycling or biking, is the
activity of
riding a
bicycle or
other type of
cycle. It encomp****es the use of human-powered vehicles...
- Look up
cycle, cyclic, or
cyclical in Wiktionary, the free dictionary.
Cycle,
cycles, or
cyclic may
refer to:
Cyclic history, a
theory of
history Cyclical...
-
mountain bike racing,
track cycling, BMX, and
cycle speedway. Non-racing
cycling sports include artistic cycling,
cycle polo,
freestyle BMX, mountain...
- The
citric acid
cycle—also
known as the
Krebs cycle, Szent–Györgyi–Krebs
cycle or the TCA
cycle (tricarboxylic acid
cycle)—is a
series of biochemical...
- Look up life
cycle in Wiktionary, the free dictionary. Life
cycle, life-
cycle, or
lifecycle may
refer to:
Biological life
cycle, the
sequence of life stages...
- The
menstrual cycle is a
series of
natural changes in
hormone production and the
structures of the
uterus and
ovaries of the
female reproductive system...
- The
water cycle, also
known as the
hydrologic cycle or the
hydrological cycle, is a
biogeochemical cycle that
involves the
continuous movement of water...
- A
diurnal cycle (or diel
cycle) is any
pattern that
recurs every 24
hours as a
result of one full
rotation of the
planet Earth around its axis. Earth's...
- A
charge cycle is the
process of
charging a
rechargeable battery and
discharging it as
required into a load. The term is
typically used to
specify a battery's...
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nitrogen is an ortho-substituted
aromatic ring. This N-acyl 2-aminobiphenyl
cyclizes to form a phenanthridine. The Pictet–Spengler
reaction proceeds from a...
