scintillation counter वाक्य
उदाहरण वाक्य
मोबाइल
- Also excitations can arise in scintillators ( see scintillation ), whereby light is emitted and then measured by a scintillation counter.
- B . Bray, G . A . A simple efficient liquid scintillator for counting aqueous solutions in a liquid scintillation counter.
- Subsequent models were the principal instruments used for uranium prospecting for many years, until geiger counters were replaced by scintillation counters.
- As the reflectors were manually moved closer and farther away from each other, scintillation counters measured the relative activity from the core.
- However, for discrimination between alpha and beta particles or provision of particle energy information, scintillation counters or proportional counters should be used.
- High-energy beta emitters, such as phosphorus-32, can also be counted in a scintillation counter without the cocktail, instead using an aqueous solution.
- These include scintillation counters designed for freight terminals, border security, ports, weigh bridge applications, scrap metal yards and contamination monitoring of nuclear waste.
- Therefore, the radioactive isotope can be present in low concentration and its presence detected by sensitive radiation detectors such as Geiger counters and scintillation counters.
- Areas about 12 by 15 feet contain centrifuges, scintillation counters for radioisotopes, refrigerators, and machines to shake microbes either growing in cultures or in storage.
- For both the gas proportional counter and liquid scintillation counter, what is measured is the number of beta particles detected in a given time period.
- The exact amount of DNA " stuck " to the nitrocellulose is quantified by measuring the amount of radioactivity on the filter using a scintillation counter.
- As 14 C is radioactive ( via beta decay ), it is relatively straightforward to measure its incorporation in organic material using devices such as scintillation counters.
- There are variants of scintillation counters mounted on pick-up trucks and helicopters for rapid response in case of a security situation due to dirty bombs or radioactive waste.
- While enrolled as a student at the university Karlik became an essential member of Hans Pettersson's research group at the Radium Institute with her specialty being the scintillation counter.
- He worked on the giant scintillation counters at Fermilab, and directed searches for charm quark s there with photon and neutron beams, and at SLAC using colliding electron-positron beams.
- In the morning of September 29, 1987 a visiting medical physicist used a scintillation counter to confirm the presence of radioactivity and persuaded the authorities to take immediate action.
- Now I know you know this refers to gas proportional counters and liquid scintillation counters, but just before this, at the end of the third paragraph, you mentioned anticoincidence counters.
- A "'scintillation counter "'is an instrument for detecting and measuring ionizing radiation by using the excitation effect of incident radiation on a scintillator material, and detecting the resultant light pulses.
- In 1948, Kallmann's knowledge about photomultiplier scintillation counters brought him to the United States as a research fellow for the U . S . Army Signal Corps Laboratory in Belmar, NJ.
- The radioactive samples and cocktail are placed in small transparent or translucent ( often glass or plastic ) vials that are loaded into an instrument known as a liquid scintillation counter.
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