to refine (the) grain
11Pattern (casting) — In the process of casting, a pattern is a replica of the object to be cast, used to prepare the cavity into which molten material will be poured during the casting process.Patterns used in sand casting may be made of wood, metal, plastics or… …
12boron — boronic /boh ron ik, baw , beuh /, adj. /bawr on, bohr /, n. Chem. a nonmetallic element occurring naturally only in combination, as in borax or boric acid, and obtained in either an amorphous or a crystalline form when reduced from its compounds …
13Titanium boride — Chembox new ImageFile = ImageSize = IUPACName = OtherNames = Section1 = Chembox Identifiers CASNo = 12045 63 5 PubChem = SMILES = Section2 = Chembox Properties Formula = TiB2 MolarMass = 69.5 g/mol Appearance = metallic grey Density = MeltingPt …
14Microalloyed steel — is a type of alloy steel that contains small amounts of alloying elements (0.05 to 0.15%). Standard alloying elements include: niobium, vanadium, titanium, molybdenum, zirconium, boron, and rare earth metals. They are used to refine the grain… …
15Hundred of Hoo Railway — The Hundred of Hoo Railway is a railway line in Kent, following the North Kent Line from Gravesend before diverging at Hoo Junction near Shorne Marshes and continuing in an easterly direction across the Hoo Peninsula, passing near the villages of …
16Architecture Design and Assessment System — The Architecture Design and Assessment System (ADAS) was a set of software programs offered by the Research Triangle Institute from the mid 1980s untilthe early 1990s. [G.A. Frank, D.L. Franke, and W.F. Ingogly, An Architecture Design and… …
17Byzantine Empire — the Eastern Roman Empire after the fall of the Western Empire in A.D. 476. Cap.: Constantinople. * * * Empire, southeastern and southern Europe and western Asia. It began as the city of Byzantium, which had grown from an ancient Greek colony… …
18Economy of ancient Greece — The economy of ancient Greece was characterized by the extreme importance of agriculture, all the more so because of the relative poverty of Greece s soil. Beginning in the 6th century B.C., craftsmanship and commerce (principally maritime)… …
19Thermal Emission Imaging System — The Thermal Emission Imaging System (THEMIS) is a camera on board the 2001 Mars Odyssey orbiter. It images Mars in the visible and infrared parts of the electromagnetic spectrum in order to determine the thermal properties of the surface and to… …
20History of photography — The first permanent photograph was an image produced in 1826[1] by the French inventor Joseph Nicéphore Niépce.[2] …
