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  2. Dry media reaction - Wikipedia

    en.wikipedia.org/wiki/Dry_media_reaction

    A dry media reaction or solid-state reaction or solventless reaction is a chemical reaction performed in the absence of a solvent. [1] Dry media reactions have been developed in the wake of developments in microwave chemistry, and are a part of green chemistry. [2] The drive for the development of dry media reactions in chemistry is:

  3. Waterborne resins - Wikipedia

    en.wikipedia.org/wiki/Waterborne_resins

    Most coatings have four basic components. These are the resin, solvent, pigment and additive systems [5] but the resin or binder is the key ingredient. Continuing environmental legislation in many countries along with geopolitics such as oil production are ensuring that chemists are increasingly turning to waterborne technology for paint/coatings and since resins or binders are the most ...

  4. Rosin - Wikipedia

    en.wikipedia.org/wiki/Rosin

    Rosin (/ ˈ r ɒ z ɪ n /), also known as colophony or Greek pitch (Latin: pix graeca), is a resinous material obtained from pine trees and other plants, mostly conifers.The primary components of rosin are diterpenoids, i.e., C 20 carboxylic acids.

  5. Police reveal identity of Philly's slain 'Boy in the Box'

    www.aol.com/news/police-reveal-identity-phillys...

    Nearly 66 years after the battered body of a young boy was found stuffed inside a cardboard box, Philadelphia police say they have finally unlocked a central mystery in the city’s most notorious ...

  6. Corsi–Rosenthal Box - Wikipedia

    en.wikipedia.org/wiki/Corsi–Rosenthal_Box

    An example of a homemade unit. The Corsi–Rosenthal Box is a design for a do-it-yourself air purifier that can be built comparatively inexpensively. It consists of four [1] or five [2] [3] HVAC particulate air filters that form a cube and a box fan to draw air through the filters.

  7. List of companies based in the Philadelphia area - Wikipedia

    en.wikipedia.org/wiki/List_of_companies_based_in...

    Name City Industry ACTS Retirement-Life Communities [3]: West Point, PA: healthcare Aria Health [4]: Philadelphia: healthcare Children's Hospital of Philadelphia

  8. Black box recovered from fiery Philadelphia air ambulance ...

    www.aol.com/news/child-patient-her-mom...

    Editor's note: This page reflects news on the airplane crash in Philadelphia from Sunday, Feb. 2. For the ⁠latest updates, read ⁠USA TODAY's coverage for Monday, Feb. 3. PHILADELPHIA ...

  9. Hash oil - Wikipedia

    en.wikipedia.org/wiki/Hash_oil

    The oil available on the U.S. West Coast in 1974 averaged about 15% THC. [4] Samples seized across the United States by the Drug Enforcement Administration over an 18-year period (1980–1997) showed that THC content in hashish and hashish oil averaging 12.9% and 17.4%, respectively, did not show an increase over time. [ 7 ]

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