- opacity to sound
- звуконепроницаемость
Англо-русский словарь по авиационным и ракетным базам. - М.: Военное издательство министерства обороны Союза ССР. Составители: С. М. Никитин, Ю. И. Хрущев. 1962.
opacity to sound
Смотреть что такое "opacity to sound" в других словарях:
opacity — 1. A lack of transparency; an opaque or nontransparent area. 2. On a radiograph, a more transparent area is interpreted as an o. to x rays in the body. 3. Mental dullness. [L. opacitas, shadiness] nodular o. a solitary, round, circumscribed… … Medical dictionary
Dynamic logic (modal logic) — For the subject in digital electronics also known as clocked logic, see dynamic logic (digital electronics). Dynamic logic is an extension of modal logic originally intended for reasoning about computer programs and later applied to more general… … Wikipedia
John Tyndall — Infobox Scientist name = John Tyndall caption = John Tyndall. birth date = August 2, 1820 birth place = Leighlinbridge, County Carlow, Ireland death date = December 4, 1893 (aged 73) death place = Surrey, England residence = nationality = British … Wikipedia
Refractive index — Refraction of light at the interface between two media. In optics the refractive index or index of refraction of a substance or medium is a measure of the speed of light in that medium. It is expressed as a ratio of the speed of light in vacuum… … Wikipedia
Titan (moon) — Titan Titan in 2005 by Cassini spacecraft Discovery Discovered by Christiaan Huygens … Wikipedia
Atmosphere of Earth — Air redirects here. For other uses, see Air (disambiguation). Qualities of air redirects here. It is not to be confused with Air quality … Wikipedia
Cataract — For other uses, see Cataract (disambiguation). Cataract Classification and external resources Magnified view of cataract in human eye, seen on examination with a slit lamp using diffuse illumination … Wikipedia
Accretion disc — An accretion disc (or accretion disk) is a structure (often a circumstellar disk) formed by diffuse material in orbital motion around a central body. The central body is typically either a young star, a protostar, a white dwarf, a neutron star,… … Wikipedia
building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… … Universalium
test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… … Medical dictionary
Acoustic cleaning — is used wherever there is a build up of dry materials and particulates which need to be cleaned regularly to ensure maximum efficiency and minimize maintenance and down time. An acoustic cleaner works by generating powerful sound waves which will … Wikipedia
