Atom (1540) | ![]() |
Carbon (2812) | ![]() |
Chemical compound (636) | ![]() |
Chemical element (7) | ![]() |
Chemical irritant (2) | ![]() |
Ion (63) | ![]() |
Isotope (246) | ![]() |
Rare earth (8) | ![]() |
as the cost of rare earth metals and other resources slash profits, Â Kyle says. Perhaps, then, planned obsolescence will begin to reach its own expiration date.
Critical to the growth of this mobile device market is the global supply of rare earth metals,
Rare-earth quotas Tensions over trade in rare-earth elements rose after China's ministry of commerce cut export quotas.
and said that it would levy new export duties on rare-earth elements and alloys. Rare-earth elements are quite plentiful,
but China controls more than 90%of their supply. They are used as catalysts and in technology including magnets,
and gas recovery and help reboot American mining of rare earth metals he said. Graphene oxide's large surface area defines its capacity to adsorb toxins Kalmykov said.
The researchers focused on removing radioactive isotopes of the actinides and lanthanides--the 30 rare earth elements in the periodic table--from liquids rather than solids or gases.
Environmental requirements have essentially shut down U s. mining of rare earth metals which are needed for cell phones Tour said.
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