uraninite उदाहरण वाक्य

उदाहरण वाक्य

1. Graham's law was the basis for separating 235 U from 238 U found in natural uraninite ( uranium ore ) during the Manhattan Project to build the first atomic bomb.
2. Uranium is present as uraninite, coffinite, and arkosic sandstone, congolmerate, and in sediments interbedded with Miocene volcanic flows . uranium is associated with carbonaceous material, and pyrite.
3. Uraninite also always contains small amounts of the lead isotopes 206 Pb and 207 Pb, the end products of the decay series of the uranium isotopes 238 U and 235 U respectively.
4. In addition to uraninite it occurs associated with the rare minerals becquerelite, masuyite, schoepite, kasolite, curite, boltwoodite, vandendriesscheite, billietite, metatorbernite, fourmarierite, studtite and sklodowskite.
5. At the beginning of the 20th century, Marie Curie discovered, in tons of pitchblende ore containing uraninite from Joachimsthal, the element radium, for which she won the Nobel Prize in Chemistry.
6. In this way the metals can be reduced to form magnetite ( Fe 3 O 4 ), siderite ( FeCO 3 ), rhodochrosite ( MnCO 3 ), and uraninite ( UO 2 ).
7. The average concentrations of protactinium in the Earth's crust is typically on the order of a few parts per trillion, but may reach up to a few parts per million in some uraninite ore deposits.
8. Many of them are esoteric, like fluorite ( which is fluorescent ) and uraninite ( which is radioactive ), but club members are always on the lookout for more recognizable, brightly colored, beautifully structured stones.
9. "' Schoepite "', empirical formula ( UO 2 ) 8 O 2 ( OH ) 12 " 12 ( H 2 O ) is a rare alteration product of uraninite in hydrothermal uranium deposits.
10. The rivers formed braided deltas with many interlacing, slow flowing channels where all the heavy materials brought down from the mountains were deposited : large pebbles, and heavy minerals, such as gold, iron pyrite, and uraninite.