| 单词 | network former |
| 释义 | > as lemmasnetwork former network former n. (a substance containing) an atom which can become part of the network of atoms (chiefly silicon and oxygen) in a glass (see sense A. 2d). ΘΚΠ the world > matter > chemistry > chemical substances > [noun] > types by properties agent1624 analyser1661 pyrophorus1734 pyrophore1788 frigoric1812 diffusate1850 diffusant1867 cryogen1875 metachrome1876 carrier1902 getter1912 active1918 network former1947 network modifier1947 radiosensitizer1953 monophase1968 1947 Jrnl. Soc. Glass Technol. 31 114 For some years it has been customary to classify the various constituents of glass into network-formers, such as SiO2 and B2O3; intermediates..; and modifiers. 1966 C. R. Tottle Sci. Engin. Materials iii. 83 Aluminium occurs in the natural glass obsidian, as a network former, in the proportion of one aluminium to five silicon ions, with sodium and potassium to modify the network. 1999 Jrnl. Solid State Chem. 145 65/2 When PbO is added..it acts both as a network modifier and as a network former depending upon its concentration in the glass. < as lemmas |
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