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  1. Compound - Wikipedia

    en.wikipedia.org › wiki › Compound

    Compound bow, a type of bow for archery; Polyhedral compound, a polyhedron composed of multiple polyhedra sharing the same centre; Other uses Common names. Compound (music), an attribute of a time signature; Compound interest, in finance, unpaid interest that is added to the principal

  2. Polyhedron - Wikipedia

    en.wikipedia.org › wiki › Polyhedron

    A polyhedral compound is made of two or more polyhedra sharing a common centre. Symmetrical compounds often share the same vertices as other well-known polyhedra and may often also be formed by stellation. Some are listed in the list of Wenninger polyhedron models. Orthogonal polyhedra

  3. Lead - Wikipedia

    en.wikipedia.org › wiki › Lead

    Lead is a chemical element with the symbol Pb (from the Latin plumbum) and atomic number 82. It is a heavy metal that is denser than most common materials. Lead is soft and malleable, and also has a relatively low melting point.

  4. Chemical element - Wikipedia

    en.wikipedia.org › wiki › Chemical_element

    In chemistry, an element is a pure substance consisting only of atoms that all have the same numbers of protons in their atomic nuclei.Unlike chemical compounds, chemical elements cannot be broken down into simpler substances by chemical means.

  5. ACS Nano Journal Impact IF 2020-2021 | Analysis, Trend ...

    academic-accelerator.com › Impact-Factor-IF › ACS-Nano

    The ACS Nano Journal Impact IF 2020-2021 is 14.588. More IF Analysis, Trend, Ranking & Prediction.

  6. R language packages for Anaconda — Anaconda documentation

    docs.anaconda.com › anaconda › packages

    C ¶; Name Version Summary/License Platforms; cairo: 1.5_10: R graphics device using cairographics library that can be used to create high-quality vector (PDF, PostScript and SVG) and bitmap output (PNG,JPEG,TIFF), and high-quality rendering in displays (X11 and Win32).

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