Definition & Betydning | engelsk ord TITANIUM

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Definitioner af TITANIUM

1. titanium

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Eksempler på brug af TITANIUM i en sætning

• Many metal-containing compounds, especially those that include transition metals (elements like titanium that belong to the periodic table's d-block), are coordination complexes.
• Originally made of wood, bone, and stone (such as flint and obsidian), over the centuries, in step with improvements in both metallurgy and manufacturing, knife blades have been made from copper, bronze, iron, steel, ceramic, and titanium.
• Pure niobium has a Mohs hardness rating similar to pure titanium, and it has similar ductility to iron.
• First identified in 1789, isolated in impure form in 1824, and manufactured at scale by 1925, pure zirconium is a lustrous transition metal with a greyish-white color that closely resembles hafnium and, to a lesser extent, titanium.
• Homogeneous catalysts usually based on complexes of the group 4 metals titanium, zirconium or hafnium.
• The value of titanium dioxide – used to enhance the white brightness of many products – was placed at $13.
• Three other polymorphs (or mineral forms) of titanium dioxide are known to occur naturally: brookite, akaogiite, and rutile, with rutile being the most common and most stable of the bunch.
• It accepted the preliminary design two years later and construction began in 1963; work proceeded very slowly as techniques for working titanium had to be developed and quality control was inconsistent.
• Pyroxenes have the general formula , where X represents calcium (Ca), sodium (Na), iron (Fe(II)) or magnesium (Mg) and more rarely zinc, manganese or lithium, and Y represents ions of smaller size, such as chromium (Cr), aluminium (Al), magnesium (Mg), cobalt (Co), manganese (Mn), scandium (Sc), titanium (Ti), vanadium (V) or even iron (Fe(II) or Fe(III)).
• Camden is a bedroom community for employees of the Tennessee Valley Authority, and the DuPont titanium dioxide production plant in nearby New Johnsonville.
• First known as the Northwest Electro-development Facility, the site eventually produced titanium and zirconium, spearheaded by William Justin Kroll whom the bureau hired in 1945.
• Ilmenite is the most important ore of titanium and the main source of titanium dioxide, which is used in paints, printing inks, fabrics, plastics, paper, sunscreen, food and cosmetics.
• Unlike , which features six-coordinated titanium in all phases, monoclinic zirconia consists of seven-coordinated zirconium centres.
• It contains calcium, niobium, tantalum, cerium, titanium, yttrium, and typically uranium and thorium, with some other metals.
• At Tellnes, just east of Hauge i Dalane, there is an ilmenite mine run by Titania AS, supplying 10% of the world production of ilmenite (a type of titanium).
• In chemistry, titanate usually refers to inorganic compounds composed of titanium oxides, or oxides containing the titanium element.
• In many modern flint glasses, lead oxides are replaced with other metal oxides such as titanium dioxide and zirconium dioxide without significantly altering the optical properties of the glass.
• Overall, Statio Cognitum and the surrounding area appears to have a slightly more red coloration from lunar orbit than Tranquility Base (which geologists later found to be the result of less titanium in the Apollo 12 rocks) and to have fewer craters overall than Tranquility Base; because of this, geologists suspected the site chosen for Apollo 12 contained younger rocks than those of the Apollo 11 site, and this was confirmed by the samples returned by Apollo 12.
• In all three of its main dioxides, titanium exhibits octahedral geometry, being bonded to six oxide anions.
• The MiG-31 airframe comprises 49% arc-welded nickel steel, 33% light metal alloy, 16% titanium and 2% composites.

Sideforberedelse tog: 415,13 ms.