| http://www.w3.org/ns/prov#value | - The controller receives a selection of a source... 41 7965818 Field emission X-ray apparatus, methods, and systems Disclosed herein is an x-ray field emission apparatus, system and method, the apparatus having a hollow probe held at vacuum; a cathode enclosed within the probe, the cathode producing an electron... 42 7945024 Method for reducing X-ray tube power de-rating during dynamic focal spot d
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