Abstract: Contrast enhancement is widely used in computed tomogra-phy (CT) scans, where radiocontrast agents circulate through the bloodstream and accumulate in the vasculature, creating visual ...

One of President Donald Trump’s final actions in his first administration was a last-ditch attempt to confront the impermanence of a four-year term by leaving his mark on something that could last ...

Abstract: The array element consists of a feeding structure designed as a 2-way power division with a 90° phase difference and a dual-layer patch structure. An aperture-couple driven patch spatially ...