Abstract: An equation for the on-axis gain of a uniformly illuminated rectangular aperture is derived which is valid in the "Optical Fresnel Zone." This equation is formulated in terms of the ordinary ...

Abstract: An efficient analytical method is proposed to calculate the Shielding effectiveness (SE) of an enclosure with an oblique rectangular aperture. This enclosure was first decomposed into two ...

The UAB Department of Radiation Oncology is an integral part of one of the nation's largest health systems. Nationally known for our compassionate care, cutting-edge research, and comprehensive ...

Design Awards 2025: Alvar Aalto's Finlandia Hall is a modernist gem reborn through sustainability and accessibility Helsinki's Finlandia Hall, an Alvar Aalto landmark design, has been reborn - ...

We advise you to avoid simply saving the image previews you see below. These wallpaper previews are compressed and optimized for improved website performance. Instead, you should click the button ...

Microsoft has recently introduced a new collection of desktop wallpapers to its website, offering a wide variety of wallpapers for download. The latest collection, ‘Fluid Textures,’ was designed by 3D ...

Radiotherapy, or radiation therapy, is the clinical use of high energy rays (ionizing radiation) to induce DNA damage in all exposed cells to ultimately kill cancer cells or prevent cancer growth.

The apparatus is shown in outline in Fig. 2. A light source was formed by a small rectangular aperture, 0∗13 mm. x 0-15 mm. in cross-section, on which the image of a high-pressure mercury arc ...

While it's possible to let the camera handle it automatically, mastering the f-stop is crucial if you want to fully control your photography. Also known as aperture size, the f-stop controls the ...

The best wide-angle lenses offer a field of view much wider than that of the human eye. This means photographers and videographers can shoot with a unique perspective, producing imagery that fits ...