scintillation crystal
81Radioactive waste — 2007 ISO radioactivity danger logo, designed in part for long term radioactive waste depositories which might survive into a far future time in which all knowledge of the meaning of present common radiation danger symbols and signs has been lost… …
82Phosphor — A phosphor is a substance that exhibits the phenomenon of phosphorescence (sustained glowing after exposure to energized particles such as electrons).Phosphors are transition metal compounds or rare earth compounds of various types. The most… …
83Medical imaging — This article is about imaging techniques and modalities for the human body. For imaging of animals in research, see Preclinical imaging. Medical imaging Diagnostics A CT scan image showing a ruptured abdominal aortic aneurysm …
84Zinc sulfide — Chembox new Name = Zinc sulfide ImageFile = Sphalerite unit cell 3D balls.png ImageSize = 150px ImageName = Sphalerite, the more common polymorph of zinc sulfide ImageFile1 = Wurtzite unit cell 3D balls.png ImageSize1 = 150px ImageName1 =… …
85Molecular imaging — originated from the field of radiopharmacology due to the need to better understand the fundamental molecular pathways inside organisms in a noninvasive manner. Contents 1 …
86List of crimes involving radioactive substances — This is a list of criminal (or arguably, allegedly, or potentially criminal) acts involving radioactive substances. Inclusion in this list does not necessarily imply that anyone involved was guilty of a crime. Contents 1 Use of alpha emitters for …
87Shashlik (physics) — In high energy physics detectors, shashlik refers to a pile of alternating slices of absorber (e.g. lead) and scintillator materials (crystal or plastic) used in calorimetry. [ [http://rkb.home.cern.ch/rkb/PH14pp/node19.html Calorimeter ] ] The… …
88HEAO Program — The High Energy Astronomy Observatory Program was a NASA program of the late 1970s and early 1980s that included a series of three large low Earth orbiting spacecraft for X ray and Gamma Ray astronomy and Cosmic Ray investigations. After launch,… …
89STS-37 — Missionsemblem Missionsdaten Mission: STS 37 NSSDC ID: 1991 027A Space Shuttle …
90thallium — /thal ee euhm/, n. Chem. a soft, malleable, rare, bluish white metallic element: used in the manufacture of alloys and, in the form of its salts, in rodenticides. Symbol: Tl; at. wt.: 204.37; at. no.: 81; sp. gr.: 11.85 at 20°C. [1860 65; < NL,… …
