बेस-मेटल हिंदी उपयोग और उदाहरण

""धातुएँ सर्वसुलभ एवं सस्ती धातुओं को हीन धातु या अपधातु (बेस मेटल) कहते हैं।

मध्ययुग में अलकेमिस्ट पारस पत्थर की खोज में रहते थे जो साधारण धातुओं (बेस मेटल्स) को स्वर्ण में बदल दे।

बेस-मेटल इसके अंग्रेजी अर्थ का उदाहरण

Arc welding is used to assemble heavy steel structures, where the base metal is heated to melting by the heat of the arc.

Mary Plated ware refers to articles chiefly intended for tableware consisting of a base metal or alloy covered by one of the precious metals, with the object of giving them the appearance of gold or silver.

Although items hand-plated with metal leaf date back to ancient times, large scale production dates to 1742 when Thomas Boulsover, of Sheffield, England developed a process by which silver plates were fused to base metal (generally copper) ingots by heating them in a furnace with borax.

The process varied regionally; in the West Midlands, bar-copper was the base metal used, which when bare of silver appeared dark red, whilst in Sheffield copper mixed with brass, an alloy of copper and zinc was used.

Hydrochloric acid is more expensive than sulfuric acid, but it pickles much faster while minimizing base metal loss.

3000 of the base metal sets were issued and 25 of the gold sets.

Also, noted Philippine sculptor Melecio Figueroa was enlisted to provide the designs for the coinage, creating a seated man design for the base metal denominations and a standing woman design for the silver denominations, which latter is thought to have been modeled on his daughter Bianca.

In 1903 the San Francisco Mint began producing silver coins for the Philippines, and the Philadelphia Mint producing proofs and base metal coins, along with providing some additional silver issues for circulation.

In 1908, the San Francisco mint was finally authorized to coin base metal cents, and was thus positioned to take over all coinage production for the Philippines after that.

Rustenburg base metals and precious metals refiners.

After over spraying the coating, the coated part must run through a diffusion heat treatment to reach the best results in matter of coupling strength to the base metal and also in matter of hardness.

Mercury silvering, a technique to apply a thin layer of a precious metal to a base metal object.

Between 1968 and 1971, base metal coins replaced the silver 5, 10 and 20 escudos.