copper oxide वाक्य
उदाहरण वाक्य
मोबाइल
- It starts immediately on exposure to the environment with the initial formation of copper oxide conversion films that are noticeable within six months.
- Power rectifiers, using copper oxide and selenium, were developed in the 1920s and became commercially important as an alternative to vacuum tube rectifiers.
- Catalysts include metals such as platinum, platinum / iron, platinum / ruthenium, gold nanoparticles as well as novel copper oxide / ceramic conglomerate catalysts.
- In jewelry making, pickling is used to remove the copper oxide layer that results from heating copper and sterling silver during soldering and annealing.
- But experimenters soon realized that copper oxide perovskites had a long way to go before they could be used for transmitting large electric currents.
- If copper wire is used, nitrogen must be used as a cover gas to prevent the copper oxides from forming during the wire bonding process.
- The phase fluctuations are responsible for such unusual physical properties as high-temperature superconductivity in copper oxides and a colossal magnetoresistance in manganese and cobalt oxides.
- Copper oxide and carbonate are used add color in stain glass works, in glassmaking, and in ceramic glazes to impart turquoise blue, green, and brown colors.
- Commonly sulfuric acid is used as a leachant for copper oxide, although it is possible to use water, particularly for ores rich in ultra-soluble sulfate minerals.
- Most laboratories and manufacturers in recent years have been working with a " high-temperature " superconductor called yttrium-barium-copper oxide, sometimes shortened to YBCO ( pronounced YIB-co ).
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