keyer
英 [ki:ə] 美 [kiə]

n.

电键器，调制器；定时器；

权威例句

Superoxide accelerates DNA damage by elevating free-iron levels
Investigation of organolanthanide-based carbon-carbon bond formation: synthesis, structure, and coupling reactivity of organolanthan...
POLYAXIAL BONE ANCHOR AND METHOD OF SPINAL FIXATION
Superoxide and the production of oxidative DNA damage.
Inactivation of dehydratase [4Fe-4S] clusters and disruption of iron homeostasis upon cell exposure to peroxynitrite
Synthesis and X-ray crystal structure of [(C5Me5)2Sm]2C4Ph2, a samarium η2-complex derived from an alkyne
Carbon-carbon bond formation by coupling of two phenylethynyl ligands in an organolanthanide system
Sesquiterpene alcohols from Hedychium spicatum var. acuminatum
The reactivity of (C6Me5)2Sm(THF)2 with bis(2-pyridyl)ethene including the synthesis of [(C5Me5)2Sm]2(.mu.-.eta.2:.eta.2-pyCHCHpy) f...
Synthesis and reactivity of bis(trimethylsilyl)cyclopentadienyl samarium complexes including the X-ray crystal structure of [(Me3Si)...