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Direct reduced iron (DRI), also called sponge iron, [1] is produced from the direct reduction of iron ore (in the form of lumps, pellets, or fines) into iron by a reducing gas which contains elemental carbon (produced from natural gas or coal) and/or hydrogen. When hydrogen is used as the reducing gas no carbon dioxide is produced.
In the iron and steel industry, direct reduction is a set of processes for obtaining iron from iron ore, by reducing iron oxides without melting the metal. The resulting product is pre-reduced iron ore. Historically, direct reduction was used to obtain a mix of iron and slag called a bloom in a bloomery.
The GBU-39/B Small Diameter Bomb (SDB) is a 250-pound (110 kg) precision-guided glide bomb that is intended to allow aircraft to carry a greater number of smaller, more accurate bombs. Most US Air Force aircraft will be able to carry (using the BRU-61/A rack [ 16 ] ) a pack of four SDBs in place of a single 2,000-pound (910 kg) Mark 84 bomb .
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Pros đź‘Ť "Lodge is hands down the best brand when it comes to cast irons," declared a happy home cook . "I have used mine almost every single day since I got it, and it has held up really well."
Glide is a flight trajectory where the spacecraft stays in the atmosphere for a sustained flight period of time. [1] In most examples, a skip reentry roughly doubles the range of suborbital spaceplanes and reentry vehicles over the purely ballistic trajectory.
(Reuters) -Apple is closing in on a historic $4 trillion stock market valuation, powered by investors cheering progress in the company's long-awaited AI enhancements to rejuvenate sluggish iPhone ...
(Reuters) -U.S. President-elect Donald Trump on Wednesday said he was picking Kari Lake, a former news anchor and a hardline Republican who failed to win an Arizona Senate seat last month, to be ...