- National Prototype meter
- копия с эталона международного метра
English-Russian cartography dictionary. 2013.
English-Russian cartography dictionary. 2013.
Prototype — A prototype is an original type, form, or instance of something serving as a typical example, basis, or standard for other things of the same category. The word derives from the Greek πρωτότυπον ( prototypon ), archetype, original , neutral of… … Wikipedia
National Ignition Facility — NIF s basic layout. The laser pulse is generated in the room just right of center, and is sent into the beamlines (blue) on either side. After several passes through the beamlines the light is sent into the switchyard (red) where it is aimed into … Wikipedia
National symbols of Bhutan — The national symbols of Bhutan include the national flag, national emblem, national anthem, and the mythical druk thunder dragon featured in all three. Other distinctive symbols of Bhutan and its dominant Ngalop culture include Dzongkha, the… … Wikipedia
Peak programme meter — A typical British quasi PPM. Each division between 1 and 7 is exactly four decibels and 6 is the intended maximum level. A peak programme meter (PPM) is an instrument used in professional audio for indicating the level of an audio signal. There… … Wikipedia
Helios Prototype — Helios Helios … Deutsch Wikipedia
Henri Tresca — Infobox Engineer image size = caption = name = Henri Tresca nationality = French birth date = October 12, 1814 birth place = Dunkirk death date = June 21, 1885 death place = Paris education = spouse = parents = children = discipline = Mechanical… … Wikipedia
Kilogram — Kg redirects here. For other uses, see Kg (disambiguation). Kilogram A computer generated image of the international prototype kilogram (IPK). The IPK is the kilogram. The IPK, which is roughly the size of a golf ball, sits here alongside a ruler … Wikipedia
Mass versus weight — The chains on the swing hold all the child’s weight. If one were to stand behind her at the bottom of the arc and try to stop her, one would be acting against her inertia, which arises purely from mass, not weight. In everyday usage, the mass of… … Wikipedia
Metrology — This article is about the science of measurement. For the study of weather see Meteorology. A scientist stands in front of a microarcsecond (1 millionth of 1 arcsecond or 1 millionth of 1/3600 degree) testbed. Metrology is the science of… … Wikipedia
Micrometer — This article is about the measuring device. For the unit of length, see Micrometre. Outside, inside, and depth micrometers A micrometer ( … Wikipedia
Iridium — (pronEng|ɪˈrɪdiəm) is a chemical element that has the symbol Ir and atomic number 77. A very hard, brittle, silvery white transition metal of the platinum family, iridium is the second densest element and is the most corrosion resistant metal,… … Wikipedia