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Gmail allows users to conduct advanced searches using either the Advanced Search interface or through search operators in the search box. Emails can be searched by their text; by their ‘From’, ‘To’ and ‘Subject’ fields, by their location, date and size; by associated labels, categories and circles, by whether or not the message is read, and by whether or not the message has an ...
The X-ray housing is turned by 90° for a chest radiograph. An X-ray machine is a device that uses X-rays for a variety of applications including medicine, X-ray fluorescence, electronic assembly inspection, and measurement of material thickness in manufacturing operations. In medical applications, X-ray machines are used by radiographers to ...
Gmail. Gmail is the email service provided by Google. As of 2019, it had 1.5 billion active users worldwide, making it the largest email service in the world. [ 1] It also provides a webmail interface, accessible through a web browser, and is also accessible through the official mobile application. Google also supports the use of third-party ...
X-ray spectromicroscopy has been used to analyse the reactions of pigments in paintings. For example, in analysing colour degradation in the paintings of van Gogh. [138] Using X-ray for inspection and quality control: the differences in the structures of the die and bond wires reveal the left chip to be counterfeit. [139]
X-ray lithography. X-ray lithography is a process used in semiconductor device fabrication industry to selectively remove parts of a thin film of photoresist. It uses X-rays to transfer a geometric pattern from a mask to a light-sensitive chemical photoresist, or simply "resist," on the substrate to reach extremely small topological size of a ...
X-ray laser. An X-ray laser can be created by several methods either in hot, dense plasmas or as a free-electron laser in an accelerator. This article describes the x-ray lasers in plasmas, only. The plasma x-ray lasers rely on stimulated emission to generate or amplify coherent, directional, high-brightness electromagnetic radiation in the ...
X-ray emission spectroscopy. X-ray emission spectroscopy ( XES) is a form of X-ray spectroscopy in which a core electron is excited by an incident x-ray photon and then this excited state decays by emitting an x-ray photon to fill the core hole. The energy of the emitted photon is the energy difference between the involved electronic levels.
WASHINGTON (Reuters) -A U.S. judge ruled on Monday that Google violated antitrust law, spending billions of dollars to create an illegal monopoly and become the world's default search engine, the ...