• Thumbnail for Optical rotation
    difference induced between them of 2 Δ θ {\displaystyle 2\Delta \theta } (as we used above) given by: 2 Δ θ = Δ n L 2 π λ {\displaystyle 2\Delta \theta...
    36 KB (4,889 words) - 20:22, 23 April 2024
  • {\displaystyle f_{\text{0}}} is approximately where Δ f = f − f 0 {\displaystyle \Delta f=f-f_{0}} Δ v = − ( v r − v s ) {\displaystyle \Delta...
    36 KB (4,562 words) - 07:44, 9 July 2024
  • Thumbnail for Elastomer
    strands across crosslinks over polymers that obey random walk statistics. Δ f d = Δ F d V = K B T ν e l β λ 1 p 2 + λ 2 p + 2 λ 3 p 2 − 3 2 {\displaystyle...
    10 KB (981 words) - 18:55, 21 June 2024
  • Thumbnail for Tetrahedron
    given by the following relation: Δ i 2 = Δ j 2 + Δ k 2 + Δ l 2 − 2 ( Δ j Δ k cos ⁡ θ i l + Δ j Δ l cos ⁡ θ i k + Δ k Δ l cos ⁡ θ i j ) {\displaystyle \Delta...
    75 KB (9,339 words) - 13:14, 12 July 2024
  • equation in R 2 {\displaystyle \mathbb {R} ^{2}} : Δ Φ = δ {\displaystyle \Delta \Phi =\delta } where δ {\displaystyle \delta } is the Dirac delta function...
    145 KB (17,364 words) - 13:59, 14 July 2024
  • Thumbnail for Tire
    to rubber tires with suggestions including leather, compressed asbestos, rayon, felt, bristles, and paper. In 1946, Michelin developed the radial tire...
    101 KB (11,690 words) - 21:53, 23 June 2024
  • Thumbnail for Cepheid variable
    räumliche Verteilung der Veränderlichen vom δ Cephei-Typus" [On the spatial distribution of variable [stars] of the δ Cephei type]. Astronomische Nachrichten...
    38 KB (4,308 words) - 19:51, 5 July 2024
  • Thumbnail for Lexell's theorem
    \triangle ABC} is ε = ∠ A + ∠ B + ∠ C − π = ( π − β − δ ) + ( π − α − δ ) + ( α + β ) − π = π − 2 δ . {\displaystyle {\begin{aligned}\varepsilon &=\angle...
    70 KB (9,226 words) - 16:45, 3 July 2024
  • Thumbnail for Fresnel rhomb
    advance of the p component relative to the s component is then given by  δ = δ p − δ s {\displaystyle \delta =\delta _{p\!}-\delta _{s}\,} . This is plotted...
    38 KB (4,857 words) - 01:45, 14 May 2024
  • Thumbnail for Bis(benzene)chromium
    1016/s0020-1693(00)90063-x. ISSN 0020-1693. Rayón, Víctor M.; Frenking, Gernot (2003-07-04). "Bis(benzene)chromium Is a δ-Bonded Molecule and Ferrocene Is a π-Bonded...
    17 KB (1,555 words) - 13:31, 21 October 2023
  • Thumbnail for Total internal reflection
    show the phase advance of the p component relative to the s component: δ = δ p − δ s . {\displaystyle \delta =\delta _{p\!}-\delta _{s}\,.} It can be seen...
    109 KB (13,482 words) - 23:31, 2 May 2024
  • Thumbnail for Circular polarization
    1 2 ( cos ⁡ θ + i sin ⁡ θ exp ⁡ ( i δ ) ) exp ⁡ ( i α x ) ψ L   = d e f   1 2 ( cos ⁡ θ − i sin ⁡ θ exp ⁡ ( i δ ) ) exp ⁡ ( i α x ) {\displaystyle {\begin{aligned}\psi...
    39 KB (5,010 words) - 05:36, 10 June 2024
  • Thumbnail for SV Vulpeculae
    Cepheid (δ Cepheid) variable star in the constellation Vulpecula. It is a supergiant at a distance of 8,700 light years. SV Vulpeculae is a δ Cepheid variable...
    7 KB (600 words) - 13:35, 12 July 2024
  • dissolving metal reduction of enones. His independent career began at Toyo Rayon (now Toray Industries) studying the stoichiometric, and later catalytic...
    12 KB (1,032 words) - 00:46, 16 January 2024
  • Paul Ulrich (1900). "Sur la réflexion et la réfraction des rayons cathodiques et des rayons déviables du radium". Comptes Rendus des Séances de l'Académie...
    107 KB (11,683 words) - 10:19, 22 June 2024
  • Thumbnail for Wood
    β-myrcene, limonene, thujaplicins, α- and β-phellandrenes, α-muurolene, δ-cadinene, α- and δ-cadinols, α- and β-cedrenes, juniperol, longifolene, cis-abienol...
    93 KB (8,922 words) - 16:19, 19 June 2024
  • Thumbnail for Utility pole
    either grounded-wye ("Y" on electrical schematics) or delta (Greek letter "Δ" on electrical schematics). A delta system requires only a conductor for each...
    48 KB (5,669 words) - 11:14, 29 April 2024
  • Thumbnail for Interferon
    (October 1954). "Pouvoir immunisant du virus vaccinal inactivé par des rayons ultraviolets" [Immunizing property of vaccinia virus inactivated by ultraviolets...
    62 KB (7,065 words) - 05:17, 28 June 2024
  • Thumbnail for Arago spot
    que le centre de l'ombre d'un écran circulaire opaque devait, lorsque les rayons y pénétraient sous des incidences peu obliques, être aussi éclairé que si...
    32 KB (4,178 words) - 18:26, 24 May 2024
  • Thumbnail for Parthéite
    naming, Parthé was Professor of the "Laboratoire de Cristallopgraphie aux rayons X" at the University of Geneva, Switzerland. List of minerals List of minerals...
    9 KB (970 words) - 17:06, 19 January 2024
  • Čelik i Zvijezda ispadaju" (in Bosnian). Klix.ba. Retrieved 1 June 2020. "Δ.Σ. ΚΟΠ: Απόφαση για διακοπή του Πρωταθλήματος Cyta και του Κυπέλλου Coca –...
    184 KB (2,940 words) - 17:54, 23 June 2024
  • Thumbnail for TT Aquilae
    TT Aquilae (TT Aql) is a Classical Cepheid (δ Cep) variable star in the constellation Aquila. The visual apparent magnitude of TT Aql ranges from 6.52...
    7 KB (570 words) - 09:09, 26 February 2023
  • Thumbnail for SU Cygni
    1051/0004-6361:200809859, S2CID 13871801. Imbert, M. (December 1984), "Determination de rayons de cepheides. III. Vitesses radiales, orbite spectroscopique et dimension...
    15 KB (1,224 words) - 06:05, 13 August 2023