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  • minimize any adverse effects of the contrast. In addition to the use of intravenous contrast, orally administered contrast agents are frequently used when...
    155 KB (16,219 words) - 20:30, 29 May 2025
  • Thumbnail for Theta function
    complex variables. They show up in many topics, including Abelian varieties, moduli spaces, quadratic forms, and solitons. Theta functions are parametrized...
    70 KB (14,667 words) - 08:11, 8 May 2025
  • Thumbnail for Torus
    possible to color the regions using no more than seven colors so that no neighboring regions are the same color. (Contrast with the four color theorem for...
    40 KB (5,169 words) - 14:24, 31 May 2025
  • weak interactions. Second, gravity always attracts and never repels; in contrast, astronomical bodies tend toward a near-neutral net electric charge, such...
    38 KB (4,734 words) - 15:47, 3 June 2025
  • Thumbnail for Protein
    spirochetes contain fewer molecules, on the order of 50,000 to 1 million. By contrast, eukaryotic cells are larger and thus contain much more protein. For instance...
    105 KB (10,957 words) - 13:53, 25 May 2025
  • Thumbnail for Complex number
    distinguishing one particular complex nth root of a complex number. (This is in contrast to the roots of a positive real number x, which has a unique positive real...
    91 KB (12,021 words) - 17:33, 29 May 2025
  • added to the system, generally by non-integrable random processes, in contrast to dS, which is a function of a few "state variables" only, i.e. in conventional...
    32 KB (3,969 words) - 23:05, 17 May 2025
  • Thumbnail for Superhard material
    more standardized representation of a material's hardness. Bulk moduli, shear moduli, and elasticity are the key factors in the superhard classification...
    54 KB (6,856 words) - 11:31, 25 May 2025
  • Thumbnail for Number theory
    elementary methods such as elementary proofs. Analytic number theory, by contrast, relies on complex numbers and techniques from analysis and calculus. Algebraic...
    95 KB (12,176 words) - 05:50, 1 June 2025
  • and delocalized pi electrons between carbon atoms forming a circle. In contrast, aliphatic hydrocarbons lack this delocalization. The term aromatic was...
    279 KB (31,753 words) - 07:09, 28 January 2025
  • Thumbnail for Whirlpool Galaxy
    (140,000 light-years) from the galaxy's center. This plume is uniform in color and likely originated from the Whirlpool Galaxy itself due to having diffuse...
    32 KB (3,222 words) - 20:44, 12 May 2025
  • Thumbnail for Metal–organic framework
    discipline called reticular chemistry (from Latin reticulum, "small net"). In contrast to MOFs, covalent organic frameworks (COFs) are made entirely from light...
    188 KB (22,769 words) - 14:11, 22 May 2025
  • generally not considered to be a machine element, the shape, texture and color of covers are an important part of a machine that provide a styling and...
    251 KB (31,185 words) - 18:49, 28 May 2025
  • sample preparation, and provides more contrast such as intensity contrast, polarization contrast and wavelength contrast, as well as providing specific chemical...
    50 KB (6,275 words) - 09:25, 25 November 2024
  • Thumbnail for Dadamaino
    color". In squared plates Dadamaino analyzes the reciprocal effect of color and form, by grading each color in light and dark shades and contrasting it...
    8 KB (644 words) - 14:55, 29 March 2025
  • Thumbnail for Board game
    from the original on 9 February 2025. Retrieved 5 February 2025. "Atolla Modulis (fan expansion for Funkenschlag) (2006)". BoardGameGeek (www.boardgamegeek...
    226 KB (10,592 words) - 07:22, 31 May 2025
  • Thumbnail for Nanoparticle
    occurs rapidly, resulting in a more uniform (monodisperse) product. In contrast, slow nucleation rates often lead to a diverse (polydisperse) population...
    125 KB (12,980 words) - 21:36, 29 May 2025
  • Thumbnail for Boron nitride
    direct bandgap semiconductor, with emission observed around 6.1 eV. In contrast to observations in other 2D materials like TMDs, the photoluminescence...
    77 KB (8,199 words) - 22:14, 7 May 2025
  • such as high melting temperature, high hardness, poor conductivity, high moduli of elasticity, chemical resistance, and low ductility are the norm, with...
    45 KB (5,281 words) - 19:14, 13 May 2025
  • Thumbnail for Nanomaterials
    scale (× 5000) Peacock feather (detail) Brazilian Crystal Opal. The play of color is caused by the interference and diffraction of light between silica spheres...
    86 KB (10,228 words) - 21:20, 22 May 2025