volume ionization
61star — starless, adj. /stahr/, n., adj., v., starred, starring. n. 1. any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night. 2. Astron. any of the large, self luminous, heavenly bodies, as the sun, Polaris,… …
62Seasonal affective disorder — Infobox Disease Name = PAGENAME Caption = Light therapy lamp for Seasonal Affective Disorder DiseasesDB = 11910 ICD10 = ICD9 = ICDO = OMIM = MedlinePlus = 001532 eMedicineSubj = eMedicineTopic = MeshID = D016574 Seasonal affective disorder (SAD) …
63Avalanche transistor — An Avalanche Transistor is a bipolar junction transistor designed for operation in the region of its collector current/collector to emitter voltage characteristics beyond the collector to emitter breakdown voltage, called avalanche breakdown… …
64Neutron detection — is the effective detection of neutrons entering a well positioned detector. There are two key aspects to effective neutron detection: hardware and software. Detection hardware refers to the kind of neutron detector used (the most common today is… …
65Gas-liquid chromatography — Infobox chemical analysis name = Gas liquid chromatography caption =A gas chromatograph with a headspace sampler acronym = GLC, GC classification =chromatography analytes = organic inorganic must be volatile manufacturers = Agilent (a spin off of …
66Tandem mass spectrometry — Tandem mass spectrometry, also known as MS/MS, involves multiple steps of mass spectrometry selection, with some form of fragmentation occurring in between the stages. [IUPAC gold book definition of tandem mass spectrometer… …
67Environmental scanning electron microscope — Wool fibers imaged in an ESEM by the use of two symmetrical plastic scintillating backscattered electron detectors …
68Analytical chemistry — For the journal, see Analytical Chemistry (journal). Analytical chemistry is the study of the separation, identification, and quantification of the chemical components of natural and artificial materials.[1] Qualitative analysis gives an… …
69Periodic table — This article is about the periodic table of the elements . For other uses, see The Periodic Table. The periodic table of the chemical elements (also known as the periodic table or periodic table of the elements) is a tabular display of the 118… …
70Proportional counter — A proportional counter is a measurement device to count particles of ionizing radiation and measure their energy.A proportional counter is a type of Gaseous ionization detector it works on the same principle as the Geiger Müller counter, but uses …
