quartz-crystal
11quartz-crystal clock — noun a clock which is regulated by a quartz crystal …
12quartz crystal microbalance method — kvarco mikrosvarstyklių metodas statusas T sritis chemija apibrėžtis Metodas, pritaikytas nustatyti labai mažą masės pokytį. atitikmenys: angl. quartz crystal microbalance method rus. метод кварцевых микровесов …
13quartz crystal — /ˈkwɔts krɪstl/ (say kwawts kristl) noun a piece of piezoelectric quartz ground so as to vibrate at a particular frequency when a potential difference is applied …
14quartz crystal — A disk or rod cut in the appropriate directions from a specimen of piezoelectric quartz, and accurately ground so that its natural resonance shall occur at a particular frequency …
15Quartz-porphyry — Quartz porphyry, in petrology, is the name given to a group of hemi crystalline acid rocks containing porphyritic crystals of quartz in a fine grained matrix, usually of micro crystalline or felsitic structure. In specimens, the quartz appears as …
16quartz movement — quartz′ move′ment n. hor an extremely accurate electronic movement utilizing the natural frequency of vibrations of a quartz crystal to regulate the operation of a timepiece(quartz′ clock′ or quartz′ watch′) …
17quartz watch — quartz clock or quartz watch noun One in which a quartz crystal, energized by a microcircuit, does the work of the pendulum or hairspring of the traditional clock or watch • • • Main Entry: ↑quartz …
18Crystal skull (disambiguation) — Crystal skull refers to a number of human like skull carvings made of quartz crystal and their associated myth and research. Crystal skull may also refer to: Crystal Skull (Stargate SG 1), an episode of the TV show Stargate SG 1 Crystal Skulls, a …
19quartz clock — (or watch) ► NOUN ▪ a clock (or watch) regulated by vibrations of an electrically driven quartz crystal …
20Crystal oscillator — A miniature 4 MHz quartz crystal enclosed in a hermetically sealed HC 49/US package, used as the resonator in a crystal oscillator. A crystal oscillator is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal …
