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English-Ukrainian analytical chemistry dictionary. 2013.
English-Ukrainian analytical chemistry dictionary. 2013.
branched polymer — a polymer having a molecular structure of secondary chains that extend from the primary main chains … Mechanics glossary
Secondary structure — In biochemistry and structural biology, secondary structure is the general three dimensional form of local segments of biopolymers such as proteins and nucleic acids (DNA/RNA). It does not, however, describe specific atomic positions in three… … Wikipedia
Primary structure — In biochemistry, the primary structure of a biological molecule is the exact specification of its atomic composition and the chemical bonds connecting those atoms (including stereochemistry). For a typical unbranched, un crosslinked biopolymer… … Wikipedia
Internet /history and structure — By the end of 2001, official statistics put the number of Internet users in China at 33.7 million, showing an accelerating growth rate of 27 per cent over the preceding six month period (CNNIC 2002). Although this represents less than 3 per cent… … Encyclopedia of Contemporary Chinese Culture
carbohydrate — /kahr boh huy drayt, beuh /, n. any of a class of organic compounds that are polyhydroxy aldehydes or polyhydroxy ketones, or change to such substances on simple chemical transformations, as hydrolysis, oxidation, or reduction, and that form the… … Universalium
industrial polymers, chemistry of — Introduction structure and composition of chemical compounds made up of long, chainlike molecules (molecule). What distinguishes polymers from other types of compounds is the extremely large size of the molecules. The size of a… … Universalium
fibre, man-made — Introduction fibre whose chemical composition, structure, and properties are significantly modified during the manufacturing process. Man made fibres are spun and woven into a huge number of consumer and industrial products, including… … Universalium
chemistry — /kem euh stree/, n., pl. chemistries. 1. the science that deals with the composition and properties of substances and various elementary forms of matter. Cf. element (def. 2). 2. chemical properties, reactions, phenomena, etc.: the chemistry of… … Universalium
Pentene — Straight chain pentenes 1 Pentene cis 2 Pentene … Wikipedia
Microcrystalline wax — Microcrystalline waxes are a type of wax produced by de oiling petrolatum, as part of the petroleum refining process. In contrast to the more familiar paraffin wax which contains mostly unbranched alkanes, microcrystalline wax contains a higher… … Wikipedia
Arthropod head problem — The arthropod head problem is a long standing zoological dispute concerning the segmental composition of the heads of the various arthropod groups, and how they are evolutionarily related to each other. While the dispute has historically centered … Wikipedia