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Before the detonation, the uranium-235 was formed into two sub-critical pieces, one of which was later fired down a gun barrel to join the other, starting the atomic explosion.
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Before and detonation
Before the fuze's invention, detonation had to be induced either by direct contact, or a timer set at launch, or an altimeter.
Before and was
Before the Draft Act was passed Baker had confidentially briefed governors, sheriffs, and prospective draft board members on the administration of the measure -- and the confidence was kept so well that only one newspaper learned what was going on.
Before the fight was over, the Harlem boy had a concussion and Trig was cut up badly.
Before he left the apartment he knocked on their door and asked if there was anything he could do for them.
Before he left town Pat saw to it that I was fixed up with a job.
Before the airplanes came, he said, travel in Laos was just about impossible.
Before coming on a visit to Spelman in 1885, Miss Mary had been a successful teacher in Worcester, and her position there was held open for her for a considerable period.
Before he was forty Griffith had created the art of the film.
Before appealing to the U.N. or to Russia, he first appealed to the U.S. for military help, and was rejected.
Before her chore was finished she was rescuing wind-blown sheets of music, trundling microphones about the stage, helping to move the piano and otherwise joining in the informal atmosphere.
Before ASCII was developed, the encodings in use included 26 alphabetic characters, 10 numerical digits, and from 11 to 25 special graphic symbols.
Before Europeans discovered other oceans, the term " ocean " itself was synonymous with the waters beyond the Strait of Gibraltar that we now know as the Atlantic.
Before he could pass the river with safety, however, it was necessary to subdue certain fortresses, one of which was for several days vigorously defended by the governor, Yussuf el-Harezmi, a Khwarezmian.
Before the 1989 series began, the win-loss ratio was almost even, with 87 wins for Australia to England's 86, 74 having been drawn.
Before the late modern era, the abbot was treated with the utmost reverence by the brethren of his house.
Before the creation of the world, God was all by Himself, in a Self-absorbed state.
Before the Tennessee electorate voted on secession, Johnson, at his peril, toured the state, speaking in opposition to the measure, contending it was unconstitutional.
Before his death, he was absolved from the excommunication ; moreover, the Pope also promised that the King of Hungary and his relatives would not be excommunicated without the special permission of the Pope.
Before the 2007 season began, Vick was suspended indefinitely by the NFL after pleading guilty to charges involving dog fighting in the state of Virginia.
Before the War, Paul was a creative, sensitive, and passionate person, writing poems and having a clear love for his family.
Before the war Tjaden was a locksmith.
Before and formed
Before 1947, most military officers of the newly formed Pakistan Armed Forces had served in the British Indian Army and fought in both World Wars and the numerous Anglo-Afghan Wars.
:" Before I formed you in the womb I knew you, before you were born I set you apart ; I appointed you as a prophet to the nations.
Before I formed thee in the belly I knew thee ; and before thou camest forth out of the womb I sanctified thee, and I ordained thee a prophet unto the nations.
Before 1964, the name " Rhodesia " had referred to the territory consisting of Southern Rhodesia and Northern Rhodesia which formed the Federation of Rhodesia and Nyasaland.
Before the Minoan eruption, the caldera formed a nearly continuous ring with the only entrance between the tiny island of Aspronisi and Thera ; the eruption destroyed the sections of the ring between Aspronisi and Therasia, and between Therasia and Thera, creating two new channels.
Before Lincoln's inauguration, seven Southern states seceded and formed the Confederacy.
Before nucleosynthesis began, the temperature was high enough for many photons to have energy greater than the binding energy of deuterium ; therefore any deuterium that is formed is immediately destroyed ( a situation known as the deuterium bottleneck ).
Before being deposited, sediment was formed by weathering and erosion in a source area, and then transported to the place of deposition by water, wind, ice, mass movement or glaciers which are called agents of denudation.
Before the troupe formed, Bruce McCulloch and Mark McKinney were working together doing Theatresports in Calgary, performing in a group named " The Audience ".
Before the end of the war, architect Charles Holden drew up plans to redevelop the city centre, but locals were so opposed that the Citizens ' Defence Association was formed and swept to power in the 1945 municipal elections.
Before the Pacific War began, the Imperial Japanese Army formed Teishin Dan (" Raiding Brigades ") and Imperial Japanese Navy trained marine ( Rikusentai ) paratroopers.
Before the widespread adoption of the web and e-mail beginning around 1994, publications such as Factsheet Five formed a vital directory for connecting like-minded people.
Before statehood, Kay County was formed from the “ Cherokee Strip ” or “ Cherokee Outlet ” and originally designated as county “ K .” Its name means simply that.
With Tim Brown they formed a new Independent Group of Councillors with Dennis de Lord as leader and Tim Brown as deputy leader, to put People Before Politics.
Before the Saraland City Schools system formed, Satsuma residents attended Adams Middle School in Saraland.
Before long, though, citizens formed a vigilance squad and overwhelmed both men, hanging them near the Smoky Hill River.
Before the district was formed by consolidation in 1958, Eastvale operated its own school district.
Before Shohola township was formed, Shohola Creek divided Lackawaxen and Upper Smithfield Townships.
Before the end of 1983, Phil Lynott formed a new band called Grand Slam, but they were never able to secure a contract with a record company and split by the beginning of 1985.
Before Hammer's successful hip-hop career ( with his mainstream popularity lasting approximately between 1988-1995 ) and his " rags-to-riches-to-rags-and-back saga ", Burrell formed the Christian rap music group Holy Ghost Boys.
Before the hiatus announcement, Gittleman had already formed a side project band named Avoid One Thing featuring members of Darkbuster, the Raging Teens and Spring Heeled Jack.
Before the release of Vertigo, Rodrigo Aboitiz left the band, in the middle of the tour, bassist Luciano Rojas, left the band as well and together with the Aboitiz formed a new group named " Saiko.
Before the reorganization of the historic English counties, the river formed the boundary between County Durham and Yorkshire.
Before being deposited, sediment was formed by weathering and erosion in a source area, and then transported to the place of deposition by water, wind, ice, mass movement or glaciers which are called agents of denudation.
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