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Há 5 dias · Electron diffraction. Figure 1: Selected area diffraction pattern of a twinned austenite crystal in a piece of steel. Electron diffraction is a generic term for phenomena associated with changes in the direction of electron beams due to elastic interactions with atoms. [a] It occurs due to elastic scattering, when there is no change in the ...
18 de mai. de 2024 · @coldking Dom maio 19, 2024 11:38 pm Neil Paget. @coldking Dom maio 19, 2024 11:35 pm Neil Paget. @metheking Dom maio 19, 2024 8:29 pm Leon St. Germain.
Há 1 dia · Brigadier-General Gilbert Henry Wedgwood [3] (1876—1963), York and Lancaster Regiment GOC. Brigadier-General Sir Ralph Wedgwood, 1st Baronet KCB CMG TD [3] (1874—1956) General Sir George Alexander Weir KCB CMG DSO DL [3] (1876—1951), 84th Brigade, 55th Infantry Division, British Troops in Egypt.
Há 5 dias · J·J·湯姆森. 约瑟夫·约翰·汤姆孙 爵士 [註 1] OM FRS （ Sir Joseph John "J. J." Thomson ，1856年12月18日—1940年8月30日） [1] ，英国 物理学家 ， 诺贝尔物理学奖获得主 ， 他发现了电子并測定了其質荷比，这是第一个被发现的 亚原子粒子 。. 1897年，汤姆孙表明， 阴极 ...
Há 3 dias · George Russell recebeu a oportunidade de sua carreira ao ser promovido para a Mercedes, onde venceu pela primeira vez no GP de São Paulo de 2022. Antes, entrou na categoria pela Williams, que nunca ofereceu um carro competitivo ao piloto, apesar de conseguir arrancar alguns Q3 nas classificações e somar alguns poucos, mas importantes, pontos ...
Há 6 dias · Adolf Hitler forbade four Germans, Richard Kuhn (Chemistry, 1938), Adolf Butenandt (Chemistry, 1939), Gerhard Domagk (Physiology or Medicine, 1939) and Carl von Ossietzky (Peace, 1936) from accepting their Nobel Prizes. The Chinese government forbade Liu Xiaobo from accepting his Nobel Prize (Peace, 2010) [9] and the government of the Soviet ...
Há 1 dia · In 1927, matter waves were first experimentally confirmed to occur in George Paget Thomson and Alexander Reid's diffraction experiment and the Davisson–Germer experiment, both for electrons. Original electron diffraction camera made and used by Nobel laureate G P Thomson and his student Alexander Reid in 1925
