tracer study

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• Tracer — may refer to: *Histochemical tracer, a substance used for tracing purposes in histochemistry, the study of the composition of cells and tissues *Isotopic tracer, a substance with an isotope that has been enriched to a greater level than that… …   Wikipedia

• tracer — /tray seuhr/, n. 1. a person or thing that traces. 2. a person whose business or work is the tracing of missing property, parcels, persons, etc. 3. an inquiry sent from point to point to trace a missing shipment, parcel, or the like, as in a… …   Universalium

• Tracer-gas leak testing method — As part of the recommended leak testing methods for nondestructive testing several tracer gas leak testing ones exist among which the methods of choice are: * Helium mass spectrometer or helium leak detection, providing the highest sensitivity *… …   Wikipedia

• tracer — /ˈtreɪsə/ (say traysuh) noun 1. someone or something that traces. 2. any of various devices for tracing drawings, plans, etc. 3. ammunition containing a chemical which by burning or smoking makes it visible, to show the path of the projectile and …  

• tracer — trac•er [[t]ˈtreɪ sər[/t]] n. 1) a person or thing that traces 2) a person whose business or work is the tracing of missing property, parcels, persons, etc 3) an inquiry sent from point to point to trace a missing shipment, parcel, or the like 4) …   From formal English to slang

• Semiconductor curve tracer — The Type 575 Transistor Curve Tracer displays the dynamic characteristic curves of both NPN and PNP transistors on the screen of a 5 inch cathode ray tube. Several different transistor characteristic curves may be displayed, including the… …   Wikipedia

• isotopic tracer — ▪ chemistry       any radioactive atom detectable in a material in a chemical, biological, or physical system and used to mark that material for study, to observe its progress through the system, or to determine its distribution. An isotopic… …   Universalium

• E-1 Tracer — infobox Aircraft name = E 1 Tracer type = Carrier AEW manufacturer =Grumman caption = E 1B Tracer designer = first flight = 17 December avyear|1956 introduced = avyear|1958 retired = avyear|1977 number built = 88 status = Retired unit cost =… …   Wikipedia

• Perfluorocarbon tracer — Perfluorocarbon tracers (PFTs) are a range of perfluorocarbons used in tracer applications. They are used by releasing the PFT at a certain point, and determining the concentration of that PFT at another set of points, allowing the flow from the… …   Wikipedia

• Radioactive tracer — A radioactive molecule that can be sent through the body’s circulatory or urinary system, with its progress followed by a radiation sensitive machine. * * * a radioactive isotope replacing a stable chemical element in a compound (said to be… …   Medical dictionary

• Nuclear medicine physician — Nuclear Medicine Physicians are medical specialists that use tracers, usually radiopharmaceuticals, for diagnosis and therapy. Nuclear medicine procedures are the major clinical applications of molecular imaging and molecular therapy.[1][2][3] In …   Wikipedia