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61Fruit tree propagation — is usually carried out through asexual reproduction by grafting or budding the desired variety onto a suitable rootstock. Perennial plants can be propagated either by sexual or vegetative means. Sexual reproduction occurs when male pollen from… …
62Arsenic — Cet article possède un paronyme, voir : Ärsenik. Arsenic …
63Foot plough — The foot plough is a type of spade used for cultivation, in the north west of Scotland. The Scottish Gaelic language contains many terms for the various varieties, e.g. cas dhìreach (straight foot) for the straighter variety and on, but cas chrom …
64APP-6A — Symbole de la Première division de la légion polonaise (Infanterie). S …
65Perchlorate — Structure et dimensions de l ion perchlorate Modèle 3D de …
66Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
67Vought F4U Corsair — F4U Corsair An F4U 5NL, previously of the Honduran Air Force, at the Geneseo Airshow, with air intercept radar pod on right wing Role …
68Boston University — Seal of Boston University Latin: Universitas Bostoniensis Motto Learning, Virtue, Piety[ …
69Etoile a neutrons — Étoile à neutrons RX J1856.4 3754, une étoile à neutrons isolée proche du Système solaire, dont l émission de surface est vue par le télescope spatial Hubble. Une étoile à neutrons est le nom donné à un astre principalement composé de neutrons… …
70Formations de tornades — Tornade Pour les articles homonymes, voir Tornade (homonymie). Tornade Une tornade en fin de vie Abr …
