OCTOBER BIRTHSTONES. Individuals born in October get to choose between two birthstones—tourmaline and opal. Each gem then unveils nearly limitless possibilities, as each one comes in a rainbow of shades and color combinations.
Mining - Atomic Rockets
Of main interests to us is the use of mining as a part of in-situ resource utilization, that is: making it easier to industrialize and colonize space by removing the need to pay the sky-high delta-V cost of lugging raw materials up Terra's gravity well.
How titanium is made - material, manufacture, making, history ...
Titanium is known as a transition metal on the periodic table of elements denoted by the symbol Ti. It is a lightweight, silver-gray material with an atomic number of 22 and an atomic weight of 47.90.
Ask A Knifemaker: The Truth About Damascus steel
Oussef, exactly. I have read some about Wootz steel. Seems that the ore or raw steel was from a certain area in India, perhaps. The ore may have had other trace elements in it, such as Vanadium or Molybdenum, which made the product more of a low-alloy steel.
Iron ore - Wikipedia
The Lower-grade sources of iron ore generally require beneficiation, using techniques like crushing, milling, gravity or heavy media separation, screening, and silica froth flotation to improve the concentration of the ore and remove impurities.
final.htm - All About Color - Real Color Wheel
B.C. MEDIUM DEVELOPMENTS. 4000 B.C. - Boiled tree-sap, called pitch, was distilled into turpentine as a paint thinner for the resin paints. Also, alcohol was fermented as a drink and as a thinner for alcohol-based paints, made from another tree-sap or grapes.
Diffusion Engineers - Official Site
Diffusion Engineers is the best infrastructure in industry that involves into the wide range of welding consumable, welding electrodes maintenance, manufacturers and suppliers of wear plates and components in India.
Alkaline residues and the environment: a review of impacts ...
Alkaline residues and the environment: a review of impacts, management practices and opportunities
ME-METALS | The middle east mines and metals news agency and ...
Fitch Solutions Macro Research just published an update to a previous study looking at the global bauxite market. In the most recent version of the document, the firm states that bauxite production growth will remain high over the coming years, as new projects come online in Australia, Indonesia expands exports, India's production ramps up, and existing projects in Guinea drive growth.
Iron Cobalt Vanadium Alloy | AMERICAN ELEMENTS
Iron-Cobalt-Vanadium is a soft magnetic alloy with the highest flux density of any strip core alloy, making it ideal for use in tape cores and magnetic cores in electrical equipment.
Foundry Chemicals - Hexachloroethane Manufacturer from Mumbai
Manufacturer of Foundry Chemicals - Hexachloroethane, Degasser 200, Degasser N2 (Nitrogen Based) and Nucleant 2 (Grain Refiner) offered by Bio - X, Mumbai, Maharashtra
Iron processing |
Iron processing, use of a smelting process 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 iron and of its preparation for smelting.
The World Factbook — Central Intelligence Agency
Country NATURAL RESOURCES ; Afghanistan: natural gas, petroleum, coal, copper, chromite, talc, barites, sulfur, lead, zinc, iron ore, salt, precious and semiprecious ...
Sapphire Gemstone & Jewelry Information, Blue & Fancy ...
Sapphire is found in only a few locations in the world. The three most famous regions for blue sapphire are Kashmir, Burma and Sri Lanka. Sapphire has also been mined in Cambodia, Thailand, Vietnam and India.
Titanium - Wikipedia
Titanium is a chemical element with symbol Ti and atomic number 22. It is a lustrous transition metal with a silver color, low density, and high strength. Titanium is resistant to corrosion in sea water, aqua regia, and chlorine.
Titanium dioxide pigment & metal - Chemlink
After removal of vanadium salts, and further fractional distillation, the pure titanium tetrachloride is reacted with oxygen at high temperature to produce titanium dioxide.