39 results on '"Cessna, Jeffrey T."'
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2. Liquid scintillation efficiencies, gamma-ray emission intensities, and half-life for Gd-153
3. Primary standardization of 212Pb activity by liquid scintillation counting
4. Liquid scintillation efficiencies, gamma-ray emission intensities, and half-life for Gd-153
5. A reference material for evaluation of 137Cs radiochronometric measurements
6. Source self-attenuation in ionization chamber measurements of 57Co solutions
7. Update of the BIPM comparison BIPM.RI(II)-K1.Co-60 of activity measurements of the radionuclide 60Co to include the 2020 result of the PTB (Germany), the 2020 result of the NIST (United States), the 2020 result of the SMU (Slovakia), the 2021 result of the BARC (India), the 2021 result of the LNE-LNHB (France), the 2021 result of the POLATOM (Poland), the 2021 result of the ENEA-INMRI (Italy), the 2021 result of the NPL (United Kingdom), the 2021 result of the LNMRI-IRD (Brazil), the 2022 result of the NMISA (South Africa) and the 2022 result of the ANSTO (Australia)
8. Secondary standards for 223Ra revised
9. Dose calibrator manufacturer-dependent bias in assays of 123I
10. The NIST radioactivity measurement assurance program for the radiopharmaceutical industry
11. The effect of impurities on calculated activity in the triple-to-double coincidence ratio liquid scintillation method
12. A review of NIST primary activity standards for [sup.18]F: 1982 to 2013
13. Development of secondary standards for 223Ra
14. A performance evaluation of 90Y dose-calibrator measurements in nuclear pharmacies and clinics in the United States
15. Ra-224 activity, half-life, and 241 keV gamma ray absolute emission intensity: A NIST-NPL bilateral comparison
16. Assessing the 210At impurity in the production of 211At for radiotherapy by 210Po analysis via isotope dilution alpha spectrometry
17. Radionuclide calibrator responses for 224Ra in solution and adsorbed on calcium carbonate microparticles
18. Ohm's Law Low-current Calibration System for Ionization Chambers
19. Primary standardization of 224Ra activity by liquid scintillation counting
20. A reference material for evaluation of 137 Cs radiochronometric measurements
21. The measurement of activity contained in a 32P stainless-steel stent by destructive assay
22. The standardization of 188W/ 188Re by 4 πβ liquid scintillation spectrometry with the CIEMAT/NIST 3H-standard efficiency tracing method
23. An update on ‘dose calibrator’ settings for nuclides used in nuclear medicine
24. Two determinations of the Ge-68 half-life
25. A reference material for evaluation of 137Cs radiochronometric measurements.
26. Impact of Recent Change in the National Institute of Standards and Technology Standard for 18F on the Relative Response of 68Ge-Based Mock Syringe Dose Calibrator Standards
27. A Review of NIST Primary Activity Standards for 18F: 1982 to 2013
28. Development of a Traceable Calibration Methodology for Solid 68Ge/68Ga Sources Used as a Calibration Surrogate for 18F in Radionuclide Activity Calibrators
29. Impact of Recent Change in the National Institute of Standards and Technology Standard for 18F on the Relative Response of 68Ge-Based Mock Syringe Dose Calibrator Standards.
30. The standardization of 188W/188Re by 4πβ liquid scintillation spectrometry with the CIEMAT/NIST 3H-standard efficiency tracing method
31. Dose calibrator manufacturer-dependent bias in assays of 123I.
32. Development of a Traceable Calibration Methodology for Solid 68Ge/68Ga Sources Used as a Calibration Surrogate for 18F in Radionuclide Activity Calibrators.
33. A performance evaluation of 90Y dose-calibrator measurements in nuclear pharmacies and clinics in the United States
34. A New Experimental Determination of the Dose Calibrator Setting for 188Re.
35. Correct Use of Dose Calibrator Values.
36. Development of secondary standards for 223Ra
37. Assessing the 210At impurity in the production of 211At for radiotherapy by 210Po analysis via isotope dilution alpha spectrometry
38. Radionuclide calibrator responses for 224 Ra in solution and adsorbed on calcium carbonate microparticles.
39. Primary standardization of 224 Ra activity by liquid scintillation counting.
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