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  2. Chemical decomposition - Wikipedia

    en.wikipedia.org/wiki/Chemical_decomposition

    Chemical decomposition, or chemical breakdown, is the process or effect of simplifying a single chemical entity (normal molecule, reaction intermediate, etc.) into two or more fragments. [1]

  3. Deposition (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Deposition_(chemistry)

    In chemistry, deposition occurs when molecules settle out of a solution. Deposition can be defined as the process of direct transition of a substance from its gaseous form, on cooling, into a solid state without passing through the intermediate liquid state.

  4. Decommissioning - Wikipedia

    en.wikipedia.org/wiki/Decommissioning

    Nuclear decommissioning, the process of closing a nuclear facility; Decommissioned highway, a disused road or one removed of numbered highway status; Greenfield status, a decommissioned industrial site considered back to its pre-establishment condition

  5. Quizlet - Wikipedia

    en.wikipedia.org/wiki/Quizlet

    Also in 2016, Quizlet launched "Quizlet Live", a real-time online matching game where teams compete to answer all 12 questions correctly without an incorrect answer along the way. [15] In 2017, Quizlet created a premium offering called "Quizlet Go" (later renamed "Quizlet Plus"), with additional features available for paid subscribers.

  6. Radioactive waste - Wikipedia

    en.wikipedia.org/wiki/Radioactive_waste

    The diverse chemistry of phosphate ceramics under various conditions demonstrates a versatile material that can withstand chemical, thermal, and radioactive degradation over time. The properties of phosphates, particularly ceramic phosphates, of stability over a wide pH range, low porosity, and minimization of secondary waste introduces ...

  7. Spent nuclear fuel - Wikipedia

    en.wikipedia.org/wiki/Spent_nuclear_fuel

    For this reason, at the moment of reactor shutdown, decay heat will be about 7% of the previous core power if the reactor has had a long and steady power history. About 1 hour after shutdown, the decay heat will be about 1.5% of the previous core power. After a day, the decay heat falls to 0.4%, and after a week it will be 0.2%.

  8. Glossary of history - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_history

    Also eon. age Age of Discovery Also called the Age of Exploration. The time period between approximately the late 15th century and the 17th century during which seafarers from various European polities traveled to, explored, and charted regions across the globe which had previously been unknown or unfamiliar to Europeans and, more broadly, during which previously isolated human populations ...

  9. Sodium Reactor Experiment - Wikipedia

    en.wikipedia.org/wiki/Sodium_Reactor_Experiment

    The facility decommissioning began in 1976 with the removal of the reactor core, support systems and contaminated soil under the structure. The source of the contaminated soil underneath the building does not appear related to the 1959 reactor incident. [10] Decommissioning was completed in 1981.