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  2. Nanosphere lithography - Wikipedia

    en.wikipedia.org/wiki/Nanosphere_lithography

    Nanosphere lithography ( NSL) is an economical technique for generating single-layer hexagonally close packed or similar patterns of nanoscale features. Generally, NSL applies planar ordered arrays of nanometer-sized latex or silica spheres as lithography masks to fabricate nanoparticle arrays. [1] NSL uses self-assembled monolayers of spheres ...

  3. Self-healing concrete - Wikipedia

    en.wikipedia.org/wiki/Self-healing_concrete

    Self-healing concrete. Self-healing concrete is characterized as the capability of concrete to fix its cracks on its own autogenously or autonomously. It not only seals the cracks but also partially or entirely recovers the mechanical properties of the structural elements. This kind of concrete is also known as self-repairing concrete.

  4. Nanoparticle - Wikipedia

    en.wikipedia.org/wiki/Nanoparticle

    A nanoparticle or ultrafine particle is a particle of matter 1 to 100 nanometres (nm) in diameter. [1][2] The term is sometimes used for larger particles, up to 500 nm, or fibers and tubes that are less than 100 nm in only two directions. [2]: 394 At the lowest range, metal particles smaller than 1 nm are usually called atom clusters instead.

  5. Chipseal - Wikipedia

    en.wikipedia.org/wiki/Chipseal

    Chip seal products can be installed over gravel roads to eliminate the cost of grading, road roughness, dust, mud, and the cost of adding gravel lost from grading. Adding chip seal over gravel is about 25% of the price of resurfacing with asphalt, $170,000 for a 4-mile project done in Minnesota [6] compared to $760,000 had it been redone with ...

  6. Road surface - Wikipedia

    en.wikipedia.org/wiki/Road_surface

    An asphalt concrete surface will generally be constructed for high-volume primary highways having an average annual daily traffic load greater than 1,200 vehicles per day. [19] Advantages of asphalt roadways include relatively low noise, relatively low cost compared with other paving methods, and perceived ease of repair.

  7. Nanoparticle deposition - Wikipedia

    en.wikipedia.org/wiki/Nanoparticle_deposition

    Nanoparticle coating of polystyrene nanoparticles on quartz prepared with the Langmuir-Blodgett method. Nanoparticle deposition refers to the process of attaching nanoparticles to solid surfaces called substrates to create coatings of nanoparticles. The coatings can have a monolayer or a multilayer and organized or unorganized structure based ...

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