double bond index

  • 31analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… …

    Universalium

  • 32metabolism — /meuh tab euh liz euhm/, n. 1. Biol., Physiol. the sum of the physical and chemical processes in an organism by which its material substance is produced, maintained, and destroyed, and by which energy is made available. Cf. anabolism, catabolism …

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  • 33Ozone — For other uses, see Ozone (disambiguation). Ozone …

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  • 34Electrophile — In chemistry, an electrophile (literally electron lover ) is a reagent attracted to electrons that participates in a chemical reaction by accepting an electron pair in order to bond to a nucleophile. Because electrophiles accept electrons, they… …

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  • 35Ring opening metathesis polymerisation — Ring opening metathesis polymerization (ROMP) is a type of olefin metathesis polymerization that produces industrially important products. The driving force of the reaction is relief of ring strain in cyclic olefins (e.g. norbornene or… …

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  • 36UNITED STATES OF AMERICA — UNITED STATES OF AMERICA, country in N. America. This article is arranged according to the following outline: introduction Colonial Era, 1654–1776 Early National Period, 1776–1820 German Jewish Period, 1820–1880 East European Jewish Period,… …

    Encyclopedia of Judaism

  • 37Natural oil polyols — Natural oil polyols, also known as NOPs or biopolyols, are polyols derived from vegetable oils by several different techniques. The primary use for these materials is in the production of polyurethanes. Most NOPs qualify as Biobased Products, as… …

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  • 38Коммодити — (Сommodity) Коммодитиз или биржевой товар, основные группы биржевых товаров Товары активно перепродаваемые на организованных рынках, этимология слова коммодити, известные товарные биржи Содержание >>>>>>>>>>> …

    Энциклопедия инвестора

  • 39Polymer — Appearance of real linear polymer chains as recorded using an atomic force microscope on surface under liquid medium. Chain contour length for this polymer is 204 nm; thickness is 0.4 nm.[1] A polymer is a large molecule (macromolecule …

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  • 40Cannabinoids — (pron en|kəˈnæbɨˌnɔɪdz [cite book |title=The American Heritage Dictionary |year=2000 |publisher=Houghton Mifflin |edition=4th ed. |isbn=0395825172] ) are a group of terpenophenolic compounds present in Cannabis ( Cannabis sativa L). The broader… …

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