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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. 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.

  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. Rosin (chemical) - Wikipedia

    en.wikipedia.org/wiki/Rosin_(chemical)

    Rosin is a glycoside ester of cinnamyl alcohol and a constituent of Rhodiola rosea. Related compounds. The three cinnamyl alcohol-vicianosides of Rhodiola rosea, ...

  6. 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

  7. Hercules Inc. - Wikipedia

    en.wikipedia.org/wiki/Hercules_Inc.

    Hercules, Inc. was a chemical and munitions manufacturing company based in Wilmington, Delaware, United States, incorporated in 1912 as the Hercules Powder Company following the breakup of the DuPont explosives monopoly by the U.S. Circuit Court in 1911. [1]

  8. 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 ...

  9. Economy of Philadelphia - Wikipedia

    en.wikipedia.org/wiki/Economy_of_Philadelphia

    Philadelphia is an important center for medicine, a distinction that it has held since the colonial period. The city is home to the first hospital in the British North American colonies, Pennsylvania Hospital, and the first medical school in what is now the United States, at the University of Pennsylvania (Penn).

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