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  2. Wastewater quality indicators - Wikipedia

    en.wikipedia.org/wiki/Wastewater_quality_indicators

    Wastewater quality indicators are laboratory test methodologies to assess suitability of wastewater for disposal, treatment or reuse. The main parameters in sewage that are measured to assess the sewage strength or quality as well as treatment options include: solids, indicators of organic matter, nitrogen, phosphorus, indicators of fecal ...

  3. Propellant - Wikipedia

    en.wikipedia.org/wiki/Propellant

    Propellant. A propellant (or propellent) is a mass that is expelled or expanded in such a way as to create a thrust or another motive force in accordance with Newton's third law of motion, and "propel" a vehicle, projectile, or fluid payload. In vehicles, the engine that expels the propellant is called a reaction engine.

  4. TDS - Wikipedia

    en.wikipedia.org/wiki/TDS

    Science. Ter die sumendum, a medical abbreviation for 3 times daily. Thermal desorption spectroscopy, to observe molecules desorbed from a surface. Tornado debris signature on weather radar. Total dissolved solids in water. Transderivational search or fuzzy search in psychology.

  5. National debt of the United States - Wikipedia

    en.wikipedia.org/wiki/National_debt_of_the...

    The national debt of the United States is the total national debt owed by the federal government of the United States to Treasury security holders. The national debt at any point in time is the face value of the then-outstanding Treasury securities that have been issued by the Treasury and other federal agencies.

  6. Substitute checks in the United States - Wikipedia

    en.wikipedia.org/wiki/Substitute_checks_in_the...

    A substitute check (also called an Image Replacement Document or IRD) is a negotiable instrument that is a digital reproduction of an original paper check.As a negotiable payment instrument in the United States, a substitute check maintains the status of a "legal check" in lieu of the original paper check, as authorized by the Check Clearing for the 21st Century Act (the Check 21 Act).

  7. Stainless steel - Wikipedia

    en.wikipedia.org/wiki/Stainless_steel

    Stainless steel, also known as inox, corrosion-resistant steel ( CRES) and rustless steel, is an alloy of iron that is resistant to rusting and corrosion. It contains iron with chromium and other elements such as molybdenum, carbon, nickel and nitrogen depending on its specific use and cost. Stainless steel's resistance to corrosion results ...

  8. Rishi Sunak - Wikipedia

    en.wikipedia.org/wiki/Rishi_Sunak

    Rishi Sunak ( / ˈrɪʃi ˈsuːnæk / ⓘ; [2] [3] born 12 May 1980) is a British politician who has served as Prime Minister of the United Kingdom and Leader of the Conservative Party since 2022. The first British Asian prime minister, he previously held two cabinet positions under Boris Johnson, latterly as Chancellor of the Exchequer from ...

  9. Trump derangement syndrome - Wikipedia

    en.wikipedia.org/wiki/Trump_derangement_syndrome

    Trump derangement syndrome ( TDS) is a pejorative term, usually for criticism or negative reactions to former United States president Donald Trump that are perceived to be irrational and to have little regard towards Trump's actual policy positions, or actions undertaken by his administration. [1] The term has mainly been used by Trump ...