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GAMMA SPECTROSCOPY - OVERVIEW - Nuclear …

GAMMA SPECTROSCOPY -OVERVIEWTh Idifiif GE i i1 The Identification of GAMMA Emitting Radionuclides6/1/2011 ContentsGeneralDirect GAMMA Spec Analysis of RadionuclidesNon- GAMMA Emitting RadionuclidesNon- GAMMA Emitting Radionuclides Secular EquilibriumNon- GAMMA Emitting Radionuclides Scaling FactorSpectroscopy vs. SpectrometryAdvantages of GAMMA SpecDisadvantages of GAMMA Spec2gpComponents of a GAMMA SPECTROSCOPY SystemThe Most Basic ComponentsDetector TypesTwo Functions of the DetectorMultichannel AnalyzerTwo Functions of the MCAM ajor Components of the MCAA mplifierAnalog to Digital ConvertorContentsPulse Height AnalysisGeneralThe SpectrumGeneralThe Big PictureReal SpectraResolution3 energy CalibrationGeneralPeak CentroidEnergy Calibration CurveIdentifying Unknown GAMMA Emitting NuclidesGeneralGamma LibraryUse of ComputerCommon ProblemsContentsAppendixDead TimeGain ShiftsUpper and Lower level DiscriminatorsSingle Channel Analyzer4 General5 Radionuclides must emit GAMMA rays to be analyzed directly by GAMMA SPECTROSCOPY GAMMA rays are like

Jun 01, 2011 · - High Purity Germanium (HPGe) ... detector. A pulse is a short-term change in the voltage. 22 2. The greater the energy deposited in the detector, the larger the pulse. Source 320 keV 1173 keV How many pulses would the detector produce? ... The gain might be increased if only low energies are of interest. • The amplifier also changes the ...

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  Overview, Nuclear, Energy, Detectors, Spectroscopy, Gamma, Germanium, Gamma spectroscopy overview

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NOTICE TO EMPLOYEES - Nuclear Regulatory …

www.nrc.gov

REGIONAL OFFICES REGION ADDRESS TELEPHONE U.S. Nuclear Regulatory Commission, Region I 2100 Renaissance Boulevard, Suite 100 King of …

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U.S. Nuclear Regulatory Commission

www.nrc.gov

Chief Human Capital Officer Miriam L. Cohen Director, Office of Administration Mary C. Muessle Director, Office of Investigations Scott J. Langan (Acting)

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PURPOSE AND SCOPE OF THE ROOT CAUSE …

www.nrc.gov

PURPOSE AND SCOPE OF THE ROOT CAUSE ANALYSIS REPORT Purpose Determine the root and contributing causes for Reactor Pressure Vessel closure head (RPV head)

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Initial Change - NRC: Home Page

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nrc form 241 (10-2017) page 3 of 4 nrc form 241 (10-2017) approved by omb: no. 3150-0013. expires: 10/31/2020) u.s. nuclear regulatory commission exclusive federal jurisdiction, or offshore waters

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Exhibit 9 NRC SPECIAL SALARY SCHEDULE 2018 …

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Exhibit 9 NRC SPECIAL SALARY SCHEDULE 2018 Resident Inspector Locations: Nationwide Effective January 7, 2018 Annual Rates by Grade and Step

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Exhibit 8 NRC SPECIAL SALARY SCHEDULE 2018 GG …

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Exhibit 8 NRC SPECIAL SALARY SCHEDULE 2018 GG-800 Engineering and GG-1300 Scientific Groups Locations: Nationwide Effective …

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NRC FORM 313 U.S. NUCLEAR REGULATORY …

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nrc form 313 (10-2017) 10 cfr 30, 32, 33, 34, 35, 36, 37, 39, and 40. u.s. nuclear regulatory commission. application for materials license. approved by omb: no. 3150 ...

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U.S. Independent Spent Fuel Storage Installations

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5 7 1 1 2 4 6 7 8 9 1214 15 13 6 4 2 16 5 10 8 3 Columbia Trojan Humboldt Bay Rancho Seco Diablo Canyon San Onofre Palo Verde DOE TMI-2 Storage DOE Idaho Spent Fuel ...

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List of Part 21 Reports From 1977 - 1994

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94020 namco controls normally closed contacts of limit switch ea180-32302 would not consistently return to initial position after actuation 01/07/1994 9401140019

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Chapter 1 Infrared Detector Characterization - SPIE

spie.org

available for germanium at an earlier date, the first high-performance extrin-sic detectors were based on Ge:Hg with activation energy for the Hg acceptor of 0.089 eV. Extrinsic photoconductive response from copper, zinc, and gold impurity levels in germanium gave rise to devices using the 8- to 14-mm long

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XPS Spectra - casaxps.com

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analyser (HSA) before the intensity for a defined energy is recorded by a detector. Since core level electrons in solid-state atoms are quantized, the resulting energy spectra exhibit resonance peaks ... over layer covering of the elemental germanium and therefore the low energy photoelectrons from the Ge 2p line are attenuated resulting in a ...

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Avalanche Photodiodes: A User's Guide

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OPTICAL FIBER COMMUNICATION - SLAC National …

www.slac.stanford.edu

- Germanium or Phosphorus to increase the index of refraction. - Boron or Flourine to decrease the index of refraction. - Silica fibers mainly used due to their low intrinsic absorption at wavelengths of operation.-Any other remaining impurities cause attenuation and scattering. Plastic Fibers - Plastic core and plastic cladding.

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FTIR Spectroscopy: Attenuated Total Reflectance (ATR)

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Chapter 1 Infrared Detector Characterization, Germanium, Energy, Detector, Low energy, Avalanche Photodiodes: A User's Guide, OPTICAL FIBER COMMUNICATION