focal spot area

См. также в других словарях:

• focal spot — noun : the small area of the target of an X ray tube on which the cathode rays are focused …   Useful english dictionary

• spot — 1. SYN: macula. 2. To lose a slight amount of blood through the vagina. acoustic spots macula of utricle, macula of saccule. Bitot spots small, circumscribed, lusterless, grayish white, foamy, greasy, triangular deposits on the bulbar …   Medical dictionary

• Mongolian spot — Classification and external resources Mongolian spot visible on six month old Taiwanese baby girl ICD 10 D …   Wikipedia

• Tokyo-Yokohama Metropolitan Area — ▪ Japan Introduction Tokyo formerly (until 1868)  Edo   metropolitan complex commonly called Greater Tokyo along the northern and western shores of Tokyo Bay, on the Pacific coast of the island of Honshu, central Japan. At its centre is the… …   Universalium

• X-ray tube — An X ray tube is a vacuum tube that produces X rays. They are used in X ray machines. X rays are part of the electromagnetic spectrum, an ionizing radiation with wavelengths shorter than ultraviolet light. X ray tubes evolved from experimental… …   Wikipedia

• Ablation — is defined as the removal of material from the surface of an object by vaporization, chipping, or other erosive processes. The term occurs in space physics associated with atmospheric reentry, in glaciology, medicine and passive fire… …   Wikipedia

• Airy disk — Computer generated image of an Airy disk. The gray scale intensities have been adjusted to enhance the brightness of the outer rings of the Airy pattern …   Wikipedia

• Female ejaculation — (also described in the medical literature as Orgasmic Expulsion, and colloquially as squirting or gushing ) refers to the expulsion of noticeable amounts of clear fluid by human females from the paraurethral ducts through and around the urethra… …   Wikipedia

• ExAblate — The ExAblate (also known as ExAblate 2000) is a non invasive medical device manufactured by InSightec, a company based in Haifa, Israel with its US office in Dallas, TX. The ExAblate uses MRI guided Focused Ultrasound Surgery (MRgFUS) technology …   Wikipedia

• radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …   Universalium

• Two-photon absorption — (TPA) is the simultaneous absorption of two photons of identical or different frequencies in order to excite a molecule from one state (usually the ground state) to a higher energy electronic state. The energy difference between the involved… …   Wikipedia