pool cathode
31Mercury (element) — gold ← mercury → thallium Cd ↑ Hg ↓ Cn …
32welding — Technique for joining metallic parts, usually through the application of heat. Discovered in the 1st millennium AD during attempts to manipulate iron into useful shapes, the technique produced a strong, tough blade. Welding traditionally involved …
33Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …
34Cedar Grove, New Jersey — Infobox Settlement official name = Cedar Grove, New Jersey settlement type = Township nickname = motto = imagesize = image caption = mapsize = 250x200px map caption = Map of Cedar Grove Township in Essex County. Inset: Location of Essexy County… …
35lithium — /lith ee euhm/, n. 1. Chem. a soft, silver white metallic element, the lightest of all metals, occurring combined in certain minerals. Symbol: Li; at. wt.: 6.939; at. no.: 3; sp. gr.: 0.53 at 20°C. 2. Pharm. the substance in its carbonate or… …
36copper processing — Introduction use of smelting or leaching, usually followed by electrolytic refining or recovery, to turn the ore into a form from which products can be fashioned. Included in this article also is a discussion of the mining of copper and of its… …
37List of retronyms — This is a list of retronyms, which are terms renamed after something similar but newer has come into being.NounsA B; Acoustic guitar : Before the invention of the solid body electric guitar, all guitars amplified the sound of a plucked string… …
38bone — /bohn/, n., v., boned, boning, adv. n. 1. Anat., Zool. a. one of the structures composing the skeleton of a vertebrate. b. the hard connective tissue forming the substance of the skeleton of most vertebrates, composed of a collagen rich organic… …
39Bône — /bohn/, n. former name of Annaba. * * * I Rigid connective tissue of vertebrates, consisting of cells embedded in a hard matrix. Bones serve as the body s supporting framework, provide muscle attachment points for movement, protect the internal… …
40Coral reef — Marine habitats Biodiversity of a coral reef Lit …
