- helical twist spring
- sprężyna śrubowa obciążona stycznie
English-Polish dictionary for engineers. 2013.
English-Polish dictionary for engineers. 2013.
Spring (device) — Helical or coil springs designed for tension Compression sp … Wikipedia
Torsion spring — A mousetrap powered by a helical torsion spring A torsion spring is a spring that works by torsion or twisting; that is, a flexible elastic object that stores mechanical energy when it is twisted. The amount of force (actually torque) it exerts… … Wikipedia
Gorlov helical turbine — A.M.Gorlov with his turbine. The Gorlov helical turbine (GHT) is a water turbine evolved from the Darrieus turbine design by altering it to have helical blades/foils. It was patented in a series of patents from September 19, 1995[1] to July 3,… … Wikipedia
Drill bit — For the fictional character, see Drill Bit (Transformers). For the cancelled skyscraper nicknamed Drill bit, see Chicago Spire. For the types used in drilling wells, see Well drilling. From top to bottom: Spade, lip and spur (brad point), masonry … Wikipedia
Mousetrap car — A mousetrap car designed for a distance competition A mousetrap car is a small vehicle having only one form of motive power being from a mousetrap. Variations include the use of multiple traps, or very big rat traps, for added power. Mousetrap… … Wikipedia
chronometer — chronometric /kron euh me trik/, chronometrical, adj. chronometrically, adv. /kreuh nom i teuhr/, n. 1. a timepiece or timing device with a special mechanism for ensuring and adjusting its accuracy, for use in determining longitude at sea or for… … Universalium
Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… … Universalium
DNA — For a non technical introduction to the topic, see Introduction to genetics. For other uses, see DNA (disambiguation). The structure of the DNA double helix. The atoms in the structure are colour coded by element and the detailed structure of two … Wikipedia
Wilberforce pendulum — A Wilberforce pendulum, invented by British physicist Lionel Robert Wilberforce around 1896 [cite journal|last=Wilberforce|first=Lionel Robert|date=1896|title=On the vibrations of a loaded spiral spring|journal=Philos. Mag.|volume=38|pages=386… … Wikipedia
Molecular models of DNA — While this purified DNA precipitated in a water jug (left) appears to be a formless mass, nucleic acids actually possess intricate structure at the nanoscale (right). M … Wikipedia
Topoisomerase — Topoisomerases (type I: EC 5.99.1.2, type II: EC 5.99.1.3) are enzymes that regulate the overwinding or underwinding of DNA. The winding problem of DNA arises due to the intertwined nature of its double helical structure. For example, during DNA… … Wikipedia