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  2. Mechanical screening - Wikipedia

    en.wikipedia.org/wiki/Mechanical_screening

    Mechanical screening, often just called screening, is the practice of taking granulated or crushed ore material and separating it into multiple grades by particle size. This practice occurs in a variety of industries such as mining and mineral processing , agriculture, pharmaceutical, food, plastics, and recycling.

  3. Mineral processing - Wikipedia

    en.wikipedia.org/wiki/Mineral_processing

    Screening ore through a sieve, Fixed Nitrogen Research Laboratory, 1930 Sizer 2000 for screening coarse to small particles. Sizing is the general term for separation of particles according to their size. The simplest sizing process is screening, or passing the particles to be sized through a screen or number of screens.

  4. Screening - Wikipedia

    en.wikipedia.org/wiki/Screening

    Film screening, the displaying of a motion picture or film; High-throughput screening, a method for scientific experimentation especially used in drug discovery; Mechanical screening, the practice of taking granulated ore material and separating it into multiple grades by particle size; Smoke screening, blanketing an area with smoke to provide ...

  5. Screening (economics) - Wikipedia

    en.wikipedia.org/wiki/Screening_(economics)

    Screening techniques are employed within the labour market during the hiring and recruitment stage of a job application process. In brief, the hiring party (agent with less information) attempts to reveal more about the characteristics of potential job candidates (agents with more information) so as to make the most optimal choice in recruiting a worker for the role.

  6. High-frequency vibrating screens - Wikipedia

    en.wikipedia.org/wiki/High-frequency_vibrating...

    High-frequency vibrating screens are the most important screening machines primarily utilised in the mineral processing industry. They are used to separate feeds containing solid and crushed ores down to less than 200 μm in size, and are applicable to both perfectly wetted and dried feed.

  7. Trommel screen - Wikipedia

    en.wikipedia.org/wiki/Trommel_screen

    A trommel screen, also known as a rotary screen, is a mechanical screening machine used to separate materials, mainly in the mineral and solid-waste processing industries. [1] It consists of a perforated cylindrical drum that is normally elevated at an angle at the feed end. [ 2 ]

  8. 'No one will win a trade war,' China says after Trump tariff ...

    www.aol.com/news/no-one-win-trade-war-015134863.html

    Neither the United States nor China would win a trade war, the Chinese Embassy in Washington said on Monday, after U.S. President-elect Donald Trump threatened to slap an additional 10% tariff on ...

  9. Screen - Wikipedia

    en.wikipedia.org/wiki/Screen

    Screening (economics), the process of identifying or selecting members of a population based on one or more selection criteria; Screening (biology), idem, on a scientific basis, of which a genetic screen is a procedure to identify a particular kind of phenotype; the Irwin screen is a toxicological procedure