tungsten metal powder
21Japanese Industrial Standards — This article is about Japanese Industrial Standards in general; see JIS encoding for the character encoding used in representing the Japanese language for computer software and communication. Japanese Industrial Standards (JIS) specifies the… …
22rhenium — /ree nee euhm/, n. Chem. a rare metallic element of the manganese subgroup: used, because of its high melting point, in platinum rhenium thermocouples. Symbol: Re; at. no.: 75; at. wt.: 186.2. [1920 25; < NL, equiv. to L Rhen(us) RHINE + ium IUM] …
23Ceramic forming techniques — are ways of forming ceramic shapes. This can be used to make everyday tableware from teapots, to engineering ceramics such as computer parts. Methods for forming powders of ceramic raw materials into complex shapes are desirable in many areas of… …
24Thorium dioxide — IUPAC name Thorium dioxide Thorium(IV) oxide …
25Compounds of oxygen — Water (H2O) is the most familiar oxygen compound The oxidation state f oxygen is −2 in almost all known compounds of oxygen. The oxidation state −1 is found in a few compounds such as peroxides. Compounds containing oxygen in other oxidation… …
26Rhenium — tungsten ← rhenium → osmium Tc ↑ Re ↓ Bh …
27metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …
28Shell (projectile) — This article is about the artillery projectile. For the small arms ammunition, see Shotgun shell. Some sectioned shells from the First World War. From left to right: 90 mm fragmentation shell, 120 mm pig iron incendiary shell, 77/14 model 75 mm… …
29Shotgun shell — A 12 gauge shotgun shell in a transparent plastic hull, allowing the contents to be seen. From left to right: gunpowder, over powder wad, shot wad, #8 birdshot, and over shot wad A shotgun shell (shotshell) is a self contained cartridge loaded… …
30artillery — /ahr til euh ree/, n. 1. mounted projectile firing guns or missile launchers, mobile or stationary, light or heavy, as distinguished from small arms. 2. the troops or the branch of an army concerned with the use and service of such weapons. 3.… …
