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  2. www.uline.com/3M-Tape

    3M Industrial Tapes - In Stock – Ships Today - Fast Delivery

    過去一個月已有 超過 10 萬 位使用者造訪過 uline.com

    3M™ Tape for shipping, manufacturing and the office. VHB, strapping, masking tape & more. Depend on Uline – your #1 source of retail store operations and packaging supplies.

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  2. en.wikipedia.org › wiki › 3M_Contamination_of_Minnesota3M Contamination of Minnesota Groundwater - Wikipedia

    3M Contamination of Minnesota Groundwater. From the 1950s through the early 2000s, 3M disposed of per- and polyfluoroalkyl substances produced during the manufacturing process of various industrial products in four dumping sites in Minnesota. [1] These chemicals have contaminated the groundwater of over 170,000 residents of the Twin Cities East ...

  3. en.wikipedia.org › wiki › PolytetrafluoroethylenePolytetrafluoroethylene - Wikipedia

    Polytetrafluoroethylene is a fluorocarbon solid, as it is a high- molecular-weight polymer consisting wholly of carbon and fluorine. PTFE is hydrophobic: neither water nor water-containing substances wet PTFE, as fluorocarbons exhibit only small London dispersion forces due to the low electric polarizability of fluorine. PTFE has one of the lowest coefficients of friction of any solid.

  4. en.wikipedia.org › wiki › Per-_and_polyfluoroalkyl_substancesPer- and polyfluoroalkyl substances - Wikipedia

    Health concerns related to PFASs have resulted in numerous litigations (see Timeline of events related to per- and polyfluoroalkyl substances ). PFAS producers such as 3M, Chemours, DuPont and Corteva have reached billion dollar agreements to settle claims against them. The use of PFAS is regulated in several parts of the world, with some plans to phase them out entirely from products.

  5. en.wikipedia.org › wiki › Young's_modulusYoung's modulus - Wikipedia

    Young's modulus (or Young modulus) is a mechanical property of solid materials that measures the tensile or compressive stiffness when the force is applied lengthwise. It is the modulus of elasticity for tension or axial compression. Young's modulus is defined as the ratio of the stress (force per unit area) applied to the object and the resulting axial strain (displacement or deformation) in ...

  6. en.wikipedia.org › wiki › AsbestosAsbestos - Wikipedia

    Asbestos ( / æsˈbɛstəs, æz -, - tɒs / ass-BES-təs, az-, -⁠toss) [1] is a naturally occurring fibrous silicate mineral. There are six types, all of which are composed of long and thin fibrous crystals, each fibre ( particulate with length substantially greater than width) [2] being composed of many microscopic "fibrils" that can be released into the atmosphere by abrasion and other ...

  7. en.wikipedia.org › wiki › Fibonacci_sequenceFibonacci sequence - Wikipedia

    Fibonacci numbers appear unexpectedly often in mathematics, so much so that there is an entire journal dedicated to their study, the Fibonacci Quarterly. Applications of Fibonacci numbers include computer algorithms such as the Fibonacci search technique and the Fibonacci heap data structure, and graphs called Fibonacci cubes used for interconnecting parallel and distributed systems. They also ...

  8. en.wikipedia.org › wiki › Burj_KhalifaBurj Khalifa - Wikipedia

    Burj Khalifa was designed by a team led by Adrian Smith of Skidmore, Owings & Merrill, the firm that designed the Sears Tower in Chicago, a previous record holder for the world's tallest building. Hyder Consulting was supervising engineer and NORR Group Consultants supervised the architecture The design is derived from the Islamic architecture of the region, such as in the Great Mosque of ...

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