Picosecond (original) (raw)
جزء الثانية الترليوني أو بيكو ثانية وحدة للوقت تعادل جزء من تريليون جزء من الثانية أو واحدا على المليون من المليون من الثانية.
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| dbo:abstract | جزء الثانية الترليوني أو بيكو ثانية وحدة للوقت تعادل جزء من تريليون جزء من الثانية أو واحدا على المليون من المليون من الثانية. (ar) El picosegundo es la unidad de tiempo que equivale a la billonésima parte de un segundo, y se abrevia ps.En otras palabras, es un segundo dividido por 1.000.000.000.000. A diferencia del inglés, en español un billón no son mil millones, sino mil veces mil millones.1 ps = 1 × 10–12 s (es) Pikosegundoa (Nazioarteko Unitate Sistemako ikurra: ps) segundo baten bilioirena den denbora tartea da. 1 ps = 1x10-12 segundo (eu) A picosecond (abbreviated as ms) is a unit of time in the International System of Units (SI) equal to 10−12 or 1⁄1 000 000 000 000 (one trillionth) of a second. That is one trillionth, or one millionth of one millionth of a second, or 0.000 000 000 001 seconds. A picosecond is to one second as one second is to approximately 31,689 years. Multiple technical approaches achieve imaging within single-digit picoseconds: for example, the streak camera or intensified CCD (ICCD) cameras are able to picture the motion of second.L One picosecond is equal to 1000 femtoseconds, or 1/1000 nanoseconds. Because the next SI unit is 1000 times larger, measurements of 10−11 and 10−10 second are typically expressed as tens or hundreds of picoseconds. Some notable measurements in this range include: * 1.0 picoseconds (1.0 ps) – cycle time for electromagnetic frequency 1 terahertz (THz) (1 x 1012 hertz), an inverse unit. This corresponds to a wavelength of 0.3 mm, as can be calculated by multiplying 1 ps by the speed of light (approximately 3 x 108 m/s) to determine the distance traveled. 1 THz is in the far infrared. * 1 picosecond – time taken by light in a vacuum to travel approximately 0.30 mm * 1 picosecond – half-life of a bottom quark * ~1 picosecond – lifetime of a single H3O+ (hydronium) ion in water at 20 °C * picoseconds to nanoseconds – phenomena observable by dielectric spectroscopy * 1.2 picoseconds – switching time of the world's fastest transistor (845 GHz, as of 2006) * 1.7 picoseconds - rotational correlation time of water * 3.3 picoseconds (approximately) – time taken for light to travel 1 millimeter * 10 picoseconds after the Big Bang – electromagnetism separates from the other fundamental forces * 34 picoseconds - signal rise time (20% to 80%) of a SFP+ transmitter for 10 Gigabit Ethernet. * 10–150 picoseconds – rotational correlation times of a molecule (184 g/mol) from hot to frozen water * 100 picoseconds - Unit Interval of a 10 Gbps serial communication link, such as USB 3.1. * 108.7827757 picoseconds – transition time between the two hyperfine levels of the ground state of the caesium-133 atom at absolute zero * 330 picoseconds (approximately) – the time it takes a common 3.0 GHz computer CPU to complete a processing cycle (en) Un picosecondo è un'unità di tempo pari ad un millesimo di miliardesimo di secondo, cioè ad un millesimo di nanosecondo. È formata usando il prefisso standard pico-, che significa 10-12. Il suo simbolo è ps. È usata raramente nella vita di tutti i giorni. In alcuni campi tecnici è invece molto comune, specialmente nelle telecomunicazioni e in alcune aree dell'elettronica.Anche alcuni campi scientifici, come la fisica delle particelle, utilizzano comunemente il picosecondo. * 1 picosecondo rappresenta metà della vita di un Bottom quark; * 3,3 picosecondi (approssimativamente) è il tempo impiegato dalla luce per percorrere un millimetro. In un 1 ps la luce percorre esattamente 0,299792458 millimetri nel vuoto (per definizione di metro).Ma la velocità della luce è minore all'interno dei materiali, come indicato dal loro indice di rifrazione maggiore di 1. Per esempio, l'aria ha un indice di rifrazione di 1,003 e l'acqua di 1,33. Per alcuni oggetti un picosecondo è una quantità di tempo piuttosto lunga.Gli attuali sistemi Ultra Wide Band possono effettuare emissioni di onde di pochi picosecondi.I moderni transistor e i gate logici dei moderni microchip (2006) si attivano in tempi dell'ordine di grandezza di qualche picosecondo. (it) Een picoseconde is een biljoenste van een seconde (10−12 van een seconde of 1 ps). Het woord wordt gevormd door het voorvoegsel pico, gevoegd bij de eenheid seconde. In het dagelijks taalgebruik is het ongewoon om in picoseconden te spreken, omdat het vele ordes van grootte kleiner is dan wat mensen zonder hulpmiddelen kunnen waarnemen. Deze eenheid wordt regelmatig aangewend in de fysica, voornamelijk bij de golftheorie. (nl) Pikosekunda (ps) – jednostka czasu w układzie SI równa jednej bilionowej sekundy 1 ps = 10−12 s. Jednostka stosowana w niektórych dziedzinach technicznych, zwłaszcza w telekomunikacji, a także w niektórych dziedzinach nauki, np. w fizyce cząstek. * 1 ps to czas połowicznego rozpadu kwarka b * ok. 3,3 ps to czas, w którym światło pokonuje drogę 1 mm (pl) O picosegundo é a unidade de tempo do Sistema Internacional de Unidades que equivale à trilhonésima parte de um segundo, 10−12 do segundo, e abrevia-se ps. Na escala de tempo, o picosegundo está entre o femtossegundo (1/1000 ps) e o nanossegundo (1000 ps). O nome é formado pela junção prefixo pico (adotado pelo SI) e a unidade de tempo padrão segundo(S). (pt) |
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| rdfs:comment | جزء الثانية الترليوني أو بيكو ثانية وحدة للوقت تعادل جزء من تريليون جزء من الثانية أو واحدا على المليون من المليون من الثانية. (ar) El picosegundo es la unidad de tiempo que equivale a la billonésima parte de un segundo, y se abrevia ps.En otras palabras, es un segundo dividido por 1.000.000.000.000. A diferencia del inglés, en español un billón no son mil millones, sino mil veces mil millones.1 ps = 1 × 10–12 s (es) Pikosegundoa (Nazioarteko Unitate Sistemako ikurra: ps) segundo baten bilioirena den denbora tartea da. 1 ps = 1x10-12 segundo (eu) Een picoseconde is een biljoenste van een seconde (10−12 van een seconde of 1 ps). Het woord wordt gevormd door het voorvoegsel pico, gevoegd bij de eenheid seconde. In het dagelijks taalgebruik is het ongewoon om in picoseconden te spreken, omdat het vele ordes van grootte kleiner is dan wat mensen zonder hulpmiddelen kunnen waarnemen. Deze eenheid wordt regelmatig aangewend in de fysica, voornamelijk bij de golftheorie. (nl) Pikosekunda (ps) – jednostka czasu w układzie SI równa jednej bilionowej sekundy 1 ps = 10−12 s. Jednostka stosowana w niektórych dziedzinach technicznych, zwłaszcza w telekomunikacji, a także w niektórych dziedzinach nauki, np. w fizyce cząstek. * 1 ps to czas połowicznego rozpadu kwarka b * ok. 3,3 ps to czas, w którym światło pokonuje drogę 1 mm (pl) O picosegundo é a unidade de tempo do Sistema Internacional de Unidades que equivale à trilhonésima parte de um segundo, 10−12 do segundo, e abrevia-se ps. Na escala de tempo, o picosegundo está entre o femtossegundo (1/1000 ps) e o nanossegundo (1000 ps). O nome é formado pela junção prefixo pico (adotado pelo SI) e a unidade de tempo padrão segundo(S). (pt) A picosecond (abbreviated as ms) is a unit of time in the International System of Units (SI) equal to 10−12 or 1⁄1 000 000 000 000 (one trillionth) of a second. That is one trillionth, or one millionth of one millionth of a second, or 0.000 000 000 001 seconds. A picosecond is to one second as one second is to approximately 31,689 years. Multiple technical approaches achieve imaging within single-digit picoseconds: for example, the streak camera or intensified CCD (ICCD) cameras are able to picture the motion of second.L (en) Un picosecondo è un'unità di tempo pari ad un millesimo di miliardesimo di secondo, cioè ad un millesimo di nanosecondo. È formata usando il prefisso standard pico-, che significa 10-12. Il suo simbolo è ps. È usata raramente nella vita di tutti i giorni. In alcuni campi tecnici è invece molto comune, specialmente nelle telecomunicazioni e in alcune aree dell'elettronica.Anche alcuni campi scientifici, come la fisica delle particelle, utilizzano comunemente il picosecondo. (it) |
| rdfs:label | جزء الثانية الترليوني (ar) Pikosekunde (de) Pikosegundo (eu) Picosegundo (es) Picosecondo (it) Picoseconde (nl) Picosecond (en) Pikosekunda (pl) Picosegundo (pt) Pikosekund (sv) |
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