artificial diamonds造句
例句与造句
- The shop mainly makes artificial diamond drilling tools for the mining and oil industry.
- He began working on the development of methods to produce artificial diamond in an electric furnace.
- Cyprien is almost hung because his discovery of making artificial diamonds threatened the livelihood of the miners.
- "Laad " meaning lacquer is used to make bangles, on which artificial diamonds are studded.
- One of the ways of making artificial diamonds uses a slurry of diamond grit slowly deposited by a controlled temperature differential.
- It's difficult to find artificial diamonds in a sentence. 用artificial diamonds造句挺难的
- :3 ) Artificial diamonds ( real diamonds made in a lab ) are increasing in quality and decreasing in price steadily.
- There is even a company, Frankel said, that extracts the carbon from human ash and presses it into an artificial diamond.
- Acheson was attempting to prepare artificial diamonds when he heated a mixture of clay ( aluminum silicate ) and powdered Canyon Diablo meteorite in Arizona.
- An extremely hard compound of silicon and carbon, carborundum was first produced artificially by Edward Goodrich Acheson in 1890 during his attempts to produce artificial diamonds.
- Embedded in an artificial diamond will be four hollow gold pellets, the size of BBs, containing samples of air, seawater, soil and human blood.
- He was on the team that made the first artificial diamonds in 1954 by dint of dangerously high pressures and temperatures, a munificent budget _ and top secrecy.
- Bundy, a physicist by training and a researcher for General Electric who helped develop the first artificial diamonds, says he still enjoys " winning over gravity ."
- His research in the production of boron and artificial diamonds and the development of an electrically heated oven capable of reaching 3500癈 using 2200 amperes at 80 volts followed by 1900.
- Erasmus Darwin commented on the entertainment value of Cumming's lectures where Cumming compared the results of one of his experiments to artificial diamonds ( they weren't ).
- Wells's story appeared a few years after the claims of James Ballantyne Hannay in 1879 and Ferdinand Fr閐閞ic Henri Moissan in 1893, that they had made artificial diamonds.
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