calibrating press
51Réseau Breton — The metre gauge lines were built with the capacity to be easily converted to standard gauge if necessary.HistoryIn 1880, the concession to build an Intérêt Générale system in Brittany was given to the Compagnie des Chemins de Fer de l Ouest . It… …
52Future of an expanding universe — Big Freeze redirects here. For other uses, see Big Freeze (disambiguation). Physical cosmology Univ …
53Fabaceae —   Fabáceas (Leguminosas) …
54Interference (wave propagation) — Two point interference in a ripple tank. In physics, interference is the phenomenon in which two waves superpose each other to form a resultant wave of greater or lower amplitude. Interference usually refers to the interaction of waves that are… …
55Чейз, Марк — В Википедии есть статьи о других людях с такой фамилией, см. Чейз. Марк Уэйн Чейз англ. Mark Wayne Chase Дата рождения: 1951 год(1951) Научная сфера …
56Californium — (pronEng|ˌkælɪˈforniəm) is a metallic chemical element with the symbol Cf and atomic number 98. A radioactive transuranic element, californium has very few uses. Uses include starting nuclear reactors (civilian and military); optimizing coal… …
57Holmium — (pronEng|ˈhoʊlmiəm) is a chemical element with the symbol Ho and atomic number 67. Part of the lanthanide series, holmium is a relatively soft and malleable silvery white metallic element, which is stable in dry air at room temperature. A rare… …
58Binary star — For the hip hop group, see Binary Star (band). Hubble image of the …
59Hygrometer — Not to be confused with hydrometer. A hygrometer (UK: /haɪˈɡrɒmɪtə/) is an instrument used for measuring the moisture content in the environmental air, or humidity. Most measurement devices usually rely on measurements of some other quantity …
60Partial discharge — In electrical engineering, a partial discharge (PD) is a localised dielectric breakdown of a small portion of a solid or liquid electrical insulation system under high voltage stress. While a corona discharge is usually revealed by a relatively… …
