by force of contrast
1Contrast-enhanced ultrasound — (CEUS) is the application of ultrasound contrast medium to traditional medical sonography. Ultrasound contrast agents rely on the different ways in which sound waves are reflected from interfaces between substances. This may be the surface of a… …
2Contrast-induced nephropathy — Classification and external resources ICD 10 N99.0 ICD 9 586 Co …
3Force — For other uses, see Force (disambiguation). See also: Forcing (disambiguation) Forces are also described as a push or pull on an object. They can be due to phenomena such as gravity, magnetism, or anything that might cause a mass to accelerate …
4Force field (chemistry) — In the context of molecular mechanics, a force field (also called a forcefield) refers to the functional form and parameter sets used to describe the potential energy of a system of particles (typically but not necessarily atoms). Force field… …
5Contrast theory of meaning — The Contrast theory of meaning states that any meaningful term must have a possible example and a possible counterexample. Ernest Gellner in Words and Things, p. 40: terms derive their meaning from the fact that there are or could be things… …
6Q Force — Logo of Q Force In story information Type of organization Special marine based military unit Q Force is a fictional marine military unit that features in the Action Force universe, a …
7Nuclear force — This article is about the force that holds nucleons together in a nucleus. For the force that holds quarks together in a nucleon, see Strong interaction. A Feynman diagram of a strong proton neutron interaction mediated by a neutral pion. Time… …
8Chemical force microscopy — Figure 1: Photograph of an AFM system which can be used for chemical force microscopy. Chemical force microscopy (CFM) is a variation of atomic force microscopy (AFM) which has become a versatile tool for characterization of materials surfaces.… …
9Action Force — was a range of comic book characters and action figures initially based on Action Man.HistoryFirst generation (1982)First produced in 1982 by Palitoy Limited and released in two waves, the action figures were a response to falling sales of the… …
10Pepperrell Air Force Base — Pepperrell Air Force Base, previously known as Fort Pepperrell, was a former United States military base located in St. John s, Newfoundland, Canada which operated from 1941 1960.The base was named in honour of Sir William Pepperrell (1696 1759)… …
