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Search results for keyword: egypt
copper sheet
The Bronze Age (3000–1000 BCE) constituted the beginning of the use of metal for tools and weapons. The period was marked by the introduction of the use of bronze, an alloy of copper and tin. Bronze weapons and tools replaced those made by stone and copper. The use of bronze proved to be more eff......
tags: bronze age period copper coins often
1067
Sophia
copper
Copper Copper is an essential element and has been used by humans since ancient times. Copper is a reddish-brown metal that has exceptionally high thermal and electrical conductivity making it extremely valuable in electronics, construction, coins and more. It has a soft and malleable structure a......
tags: copper has used copper applications used
1048
Connor
Iron Bronze
Bronze is an alloy of copper and tin, with copper as the main component. Bronze can be easily cast and molded, and has a good resistance to corrosion. It is mainly used as an alloy for alloying copper, but it is also used for making ornamental objects, coins and sculptures. Bronze has been in use......
tags: bronze used also used iron bronze
1061
Avery
Matte (Volume Name: Mining and Metallurgy)
Introduction Mining is one of the most important activities in history, from the ancient egyptians who mined gold from the banks of the Nile to the contemporary miners who use some of the most sophisticated technologies in order to extract iron, coal and other precious minerals. Mining has been a......
tags: mining has industry mining process has
1065
Sophie
Metals that cannot be used alone - antimony
Antimony Antimony is a chemical element with the symbol Sb (from Latin: stibium) and atomic number 51. It is a metalloid. Antimony is primarily produced from stibnite ore and is, with approximately 100,000 tonnes produced annually, one of the more common, commercially-traded metals. In nature, i......
tags: antimony used other used antimony antimonys
1038
Oliver
tetrahedrite
Copper Ore Copper ore is an ore incorporated with copper, an essential mineral for the production of copper. It is made up of copper sulphide and copper oxide which mostly occur naturally in the form of copper sulphides. Copper ore is found in abundance in many parts of the world and is mined in ......
tags: copper ore used copper ore used
1058
Emily
Antimony in heavy metal materials
Introduction Antimony is a chemical element with the symbol Sb and atomic number of 51. It belongs to the representative elements on the periodic table, and is a metalloid in the 15th group and 4th period. It has a silver-gray crystalline solid appearance, but it can also be present in both eleme......
tags: antimony can used antimony its should
1040
Mason
malachite
Turquoise is a semi-precious stone that has been prized since ancient times. It has been used in jewelry, sculpture and adornment since 3000 B.C. Its name is derived from the French phrase pierre turquoise, meaning “Turkish stone,” which likely referred to the source of many of the stones that w......
tags: turquoise its stone stone peacock its
1039
Jason
natural lead
Lead is an element found in nature and widely used in products and processes, ranging from artist paints and automotive fuel to industrial material and processes. In its natural form, lead is widely distributed and often found in ores along with copper, silver, zinc, and iron. Lead is also present......
tags: lead used processes lead exposure can
1042
Lila
Antimony sulfide concentrate
Introduction Antimony have been known since antiquity, a heavy, brittle and lustrous metalloid with an atomic number of 51 and symbol of Sb. Antimony is sometimes considered to be a transition element, however, it is more often classified in the Metalloid group following German chemist Carl Hugo ......
tags: antimony used its antimony trioxide used
1045
Laura
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