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within the Radioactivity Group at NIST addresses some of these hurdles in an effort to provide the foundations for absolute quantitation in imaging. NIST pioneered the development of long-lived calibration
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DeCost [email protected] 301.975.5160 Description Trustability and physical interpretability are critical requirements for the development of robust and sustainable machine learning systems needed
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. This research space seeks to identify resilience strategies that achieve other community goals (e.g., economic development, safety, and equity) through co-benefits, some of which may not have a straight-forward
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will have opportunities for participation in instrument/technique development projects. key words Radionuclide metrology; Digital data acquisition; Si(Li) detector; HPGe detector; Coincidence counting
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on fundamental constants in the development of quantum electrical standards. The FEM group uses physical laws, quantum invariants, and ultra-precision measurement techniques to create and refine a core set of
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) to characterize the nuclear motions associated with the observed THz features. New methods based on electro-optical dual-optical-frequency combs and room-temperature multi-heterodyne detection are under development
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images. The use of semantically-derived taxonomies, ontologies, and relations automatically extracted from texts can improve the development and standardization of domain-based AI systems and human
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potentially competing performance goals. Achieving these goals requires the development and application of technologies, such as high performance building envelopes and advanced cooling and ventilating systems
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) are beginning to broadly impact physics: from probing the evolution of galaxies to calculating quantum wave functions to discovering new states of matter. This postdoctoral research opportunity centers
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/hospitals/factories, elder care, and the Internet of Things (IoT). NIST has extensive research activities in this area including development of new solutions as well as rigorous testing of indoor localization