Results 31 to 40 of about 35,864 (174)
, 1950 In the early 1950s, NBS researchers Earle K. Plyler and Francis P. Phelps experimented with various alkali-halide crystals to explore their suitability for use in optical instruments that utilized infrared radiation. Initially, the only way to obtain the
Phelps, Francis P. (Creator)
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2D van der Waals System Integrated with Targeting Radio‐Diagnostic and Imaging Functions
Small, EarlyView.Layered double hydroxide (LDH) nanoplates were engineered for tumor‐targeted imaging and therapy. By exploiting folate receptor (FR) expression levels, the system achieves selective tumor accumulation and high‐resolution dual PET/fluorescence (PET/FL) imaging.
Sairan Eom +6 more
wiley +1 more source
Journal of Kufa-Physics, 2018 The specific concentration of radioisotopes of Potassium 40K; Cesium 137Cs and Radium (224Ra ,226Ra, 228Ra) have been identified for soil, sediment, fish samples (Liza abu, Liza klunzingeri, Brachirus orientalius, Tylosurus crocodilus, Cyprinus carpio ...
Aqeel Abdulsahib Alwaeli +1 more
doaj +1 more source
Cesium immobilization in metakaolin-based geopolymers elucidated by 133Cs solid state NMR spectroscopy [PDF]
, 2021 Geopolymers are promising candidates for nuclear-waste immobilization, and more specifically for the immobilization of radioactive cesium. Low-Si metakaolin-based geopolymers cured at temperatures of 40°C in the presence of Cs ions generate a mixture of ...
Yaron, Schlosser +3 more
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Seeing radiation: Applications of an imaging survey meter in radiation oncology
Journal of Applied Clinical Medical Physics, Volume 27, Issue 10, October 2026.Abstract Background and purpose Radiation shielding surveys require location and evaluation of radiation hotspots in shielding barriers. This process is normally done by using a conventional survey meter and slowly moving the survey meter manually across the face of the barrier.
Patrick N. McDermott +8 more
wiley +1 more source
Saúde & Tecnologia, 2015 Introduction – A radioactive contamination needs to be quantified in case it eventually occurs. Therefore it is necessary to ensure that the operating conditions of a surface contamination monitor are characterized by determining its detection efficiency.
Diana D. Duarte +4 more
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Simulation of the Effect of Improved Ground Clocks on GPS Timing Performance [PDF]
, 2010 The GPS system is simulated in three scenarios, so as to estimate how its performance would be improved by more stable ground clocks. One scenario is an approximation to the current system.
Demetrios Matsakis +3 more
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Laser &Photonics Reviews, Volume 20, Issue 17, 3 September 2026.Decades of CdTe and CdZnTe gamma‐ray spectrometer development define core design principles for room‐temperature semiconductor detectors. This Review highlights how metal halide perovskites rapidly assimilate these principles, particularly through defect and compositional engineering strategies that establish favorable spectroscopic conditions for ...
Younghak Kim +7 more
wiley +1 more source
Spatial variability and Cesium-137 inventories in native forest
, 2004 With the nuclear fission discovery and development of nuclear weapons in 1940s, artifi cial radioisotopes were introduced in the environment. This contamination is due to worldwide fallout by superfi cial nuclear tests realized from early 1950s to late ...
Appoloni, C.R. +3 more
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The use of stable Cs and Sr as proxies for the estimation of radionuclide soil-plant transfer factors [PDF]
Ядерна фізика та енергетикаTransfer factors are key inputs for modelling the transport of radionuclides in the environment and for assessment of risk to humans and wildlife. However, for many combinations of soil conditions, plant species (products), and radionuclides, such ...
S. Levchuk +3 more
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