-
Cycling, also
known as
bicycling or biking, is the
activity of
riding a
bicycle or
other types of pedal-driven human-powered
vehicles such as balance...
- 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...
-
nitrogen is an ortho-substituted
aromatic ring. This N-acyl 2-aminobiphenyl
cyclizes to form a phenanthridine. The Pictet–Spengler
reaction proceeds from a...
-
derivative in
which the free
amino group of
glutamic acid or
glutamine cyclizes to form a lactam. The
names of
pyroglutamic acid
conjugate base, anion...
- for the
benzodiazepine derivative alprazolam. At
neutral pH it
readily cyclizes to alprazolam,
while in
acidic conditions alprazolam undergoes a ring-opening...
- as an azlactone).
Hippuric acid, the
benzamide derivative of glycine,
cyclizes in the
presence of
acetic anhydride,
condensing to give 2-phenyl-oxazolone...
-
likely originated in the Cretaceous.
Butterflies have a four-stage life
cycle, and like
other holometabolous insects they
undergo complete metamorphosis...
- 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
software release life
cycle is the
process of developing, testing, and
distributing a
software product (e.g., an
operating system). It
typically consists...
-
mountain bike racing,
track cycling, BMX, and
cycle speedway. Non-racing
cycling sports include artistic cycling,
cycle polo,
freestyle BMX, mountain...
