electric focusing
61Rock — /rok/, n. a male given name. * * * I In geology, a naturally occurring and coherent aggregate of minerals. The three major classes of rock igneous, sedimentary, and metamorphic are based on the processes that formed them. These three classes are… …
62motion-picture technology — Introduction the means for the production and showing of motion pictures. It includes not only the motion picture camera and projector but also such technologies as those involved in recording sound, in editing both picture and sound, in… …
63Electrostatic lens — An electrostatic lens is a device that assists in the transport of electrons emitted from a sample to an electron analyzer, analogous to the way an optical lens assists in the transport of light in an optical instrument. The recent development of …
64History of mass spectrometry — The history of mass spectrometry dates back more than one hundred years and has its roots in physical and chemical studies regarding the nature of matter. The study of gas discharges in the mid 19th century led to the discovery of anode and… …
65Time-of-flight mass spectrometry — (TOFMS) is a method of mass spectrometry in which ions are accelerated by an electric field of known strength. [Stephens, W. E., [http://link.aps.org/abstract/PR/v69/p674/s2 A Pulsed Mass Spectrometer with Time Dispersion] Phys. Rev. , 1946, 69 …
66Шехтер, Роберт — Роберт Шехтер (1947, Харьков) советский и шведский физик. Родился на Украине. Окончил Харьковский университет (1965). Специальность «Теоретическая физика, физика твёрдого тела». В 1970 году в Харьковском университете защитил кандидатскую… …
67Роберт Шехтер — (1947, Харьков) советский и шведский физик. Родился на Украине. Окончил Харьковский университет (1965). Специальность «Теоретическая физика, физика твёрдого тела». В 1970 году в Харьковском университете защитил кандидатскую диссертацию на тему:… …
68Шехтер Роберт — Роберт Шехтер (1947, Харьков) советский и шведский физик. Родился на Украине. Окончил Харьковский университет (1965). Специальность «Теоретическая физика, физика твёрдого тела». В 1970 году в Харьковском университете защитил кандидатскую… …
69Negative index metamaterials — A negative index metamaterial causes light to refract, or bend, differently than in more common positive refractive index materials. Negative index metamaterials or negative index materials (NIM) are artificial structures where the refractive… …
70Directed-energy weapon — This article is about practical experiments with energy weapons. For fictional uses, see raygun. Humvee with Active Denial System mounted A directed energy weapon (DEW) emits energy in an aimed direction without the means of a projectile. It… …
