- quartz rod
-
кварцевый клин
English-Russian dictionary of geology. 2011.
English-Russian dictionary of geology. 2011.
quartz crystal — noun a thin plate or small rod of quartz cut along certain lines and ground so that it can produce an electric signal at a constant frequency; used in crystal oscillators • Hypernyms: ↑quartz * * * quartz crystal noun A disc or rod cut in certain … Useful english dictionary
quartz 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 … Dictionary of automotive terms
Segojan Earthcaller — In universe subject = a described object = a fictional character created for a role playing game category = Nofootnotes|date=February 2008 D D Deity|fgcolor=#fff bgcolor=#000 fgcolor=#fff name=Segojan Earthcaller title=Earthfriend, the Rock Gnome … Wikipedia
Colorpuncture — Alternative medicine / fringe therapies Claims Applying colored light to meridian points on the body, derived from acupuncture, has beneficial health effects. Related fields Acupressure, Acupuncture, Biophotonics, Iridology, Kirlian… … Wikipedia
Pendulum — This article is about pendulums. For other uses, see Pendulum (disambiguation). Simple gravity pendulum model assumes no friction or air resistance … Wikipedia
clock — clock1 /klok/, n. 1. an instrument for measuring and recording time, esp. by mechanical means, usually with hands or changing numbers to indicate the hour and minute: not designed to be worn or carried about. 2. See time clock. 3. a meter or… … Universalium
Pendulum clock — A pendulum clock is a clock that uses a pendulum, a swinging weight, as its timekeeping element. From its invention in 1656 by Christiaan Huygens until the 1930s, the pendulum clock was the world s most accurate timekeeper, accounting for its… … Wikipedia
Silicon — Not to be confused with the silicon containing synthetic polymer silicone. aluminium ← silicon → phosphorus C ↑ Si ↓ Ge … Wikipedia
industrial glass — Introduction solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… … Universalium
electricity — /i lek tris i tee, ee lek /, n. 1. See electric charge. 2. See electric current. 3. the science dealing with electric charges and currents. 4. a state or feeling of excitement, anticipation, tension, etc. [1640 50; ELECTRIC + ITY] * * *… … Universalium
Inventions in medieval Islam — A significant number of inventions were developed in the medieval Islamic world, a geopolitical region that has at various times extended from Al Andalus and Africa in the west to the Indian subcontinent and Malay Archipelago in the east.… … Wikipedia