chemical heat treatment
81Niobium — zirconium ← niobium → molybdenum V ↑ Nb ↓ Ta …
82Sword making — Sword making, historically, has been the work of specialized smiths or metalworkers called bladesmiths or swordsmiths. Modern armorers and swordsmiths still ply their trade although to a more limited clientele. Their products are oriented toward… …
83TDP mineral lamp — The TDP mineral lamp is a medical device which comes under FDA Class II as a far infrared heating device. The premise of the lamp is that the far infrared (below visible light) emissions increases microcirculation and loosens fascia to accelerate …
84copper — copper1 /kop euhr/, n. 1. a malleable, ductile, metallic element having a characteristic reddish brown color: used in large quantities as an electrical conductor and in the manufacture of alloys, as brass and bronze. Symbol: Cu; at. wt.: 63.54;… …
85Steel — For other uses, see Steel (disambiguation). The steel cable of a colliery winding tower …
86Soldering — For the song, see Soldering (song). For the product, see Solder. Desoldering a contact from a wire. Soldering is a process in which two or more metal items are joined together by melting and flowing a filler metal (solder) into the joint, the… …
87light — light1 lightful, adj. lightfully, adv. /luyt/, n., adj., lighter, lightest, v., lighted or lit, lighting. n. 1. something that makes things visible or affords illumination: All colors depend on light. 2. Physics …
88biology — /buy ol euh jee/, n. 1. the science of life or living matter in all its forms and phenomena, esp. with reference to origin, growth, reproduction, structure, and behavior. 2. the living organisms of a region: the biology of Pennsylvania. 3. the… …
89Ten Essentials — The Ten Essentials is a list of essential items hiking authorities promote as recommended for safe travel in the backcountry. The Ten Essentials were first described in the 1930s by The Mountaineers, a hiking and mountain climbing club. Many… …
90Ceramic matrix composite — Fracture surface of a fiber reinforced ceramic composed of SiC fibers and SiC matrix. The fiber pull out mechanism shown is the key to CMC properties …
