11 résultats pour "bragg"
- Bragg, sir William Lawrence - physicien.
- Bragg, sir William Lawrence - sciences et techniques.
- Bragg, sir William Henry - physicien.
- Sir William Lawrence Bragg
- Bragg (sir William Henry) (Wigton, Cumberland, 1862 - Londres, 1942) et son fils, sir Lawrence (Adélaïde, Australie, 1890 - Ipswich, 1971).
- Bragg (sir William Henry), 1862-1942, né à Wigton (Cumberland), physicien britannique.
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Ulysses S.
In the autumn of 1862, Grant began planning the drive on Vicksburg, Mississippi, the Confederate stronghold on the Mississippi River, which was to yield one of hisgreatest military successes. After several unsuccessful attempts on Vicksburg during the winter, Grant devised a new strategy of attack. In April 1863 he marched hisarmy south along the west side of the river to a point well below the heavily defended city. There, with the aid of the Union river fleet, he crossed the river and began as...
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Ulysses S.
In the autumn of 1862, Grant began planning the drive on Vicksburg, Mississippi, the Confederate stronghold on the Mississippi River, which was to yield one of hisgreatest military successes. After several unsuccessful attempts on Vicksburg during the winter, Grant devised a new strategy of attack. In April 1863 he marched hisarmy south along the west side of the river to a point well below the heavily defended city. There, with the aid of the Union river fleet, he crossed the river and began as...
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cristallographie - chimie.
site de nucléation. Si l’on veut obtenir un monocristal, il faut donc partir d’un produit extrêmement pur ; toutefois cela ne suffit pas : il faut également procéder à un refroidissement lent et contrôlé. En effet, si le refroidissement est trop brutal, les atomes n’ont pas le temps de s’arranger de manière parfaite, ce qui favorise l’apparition de défauts. C’est ce qui se passe lorsque l’on procède à la trempe des aciers : on contrôle le nombre de défauts nécessaires pour obtenir la dureté voul...
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American Civil War.
free state to keep the balance in the Senate. It also provided that slavery would be excluded from the still unorganized part of the Louisiana Territory. A line was drawnfrom Missouri’s southern boundary, at the latitude of 36°30’, and slavery would not be allowed in the territory north of that line,with the exception of Missouri. B Compromise of 1850 Agitation against slavery continued in the North. The South reacted by defending it ever more strongly. The Mexican War, by which the United Stat...
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American Civil War - U.
free state to keep the balance in the Senate. It also provided that slavery would be excluded from the still unorganized part of the Louisiana Territory. A line was drawnfrom Missouri’s southern boundary, at the latitude of 36°30’, and slavery would not be allowed in the territory north of that line,with the exception of Missouri. B Compromise of 1850 Agitation against slavery continued in the North. The South reacted by defending it ever more strongly. The Mexican War, by which the United Stat...