| 单词 | thallium spectrum |
| 释义 | > as lemmasthallium spectrum attributive and in other combinations, as thallium alloy, thallium spectrum; thallium-activated adj. containing a small amount of added thallium so as to make the substance active as a phosphor. thallium glass n. a variety of glass of great density and refracting power, in the manufacture of which thallium is used instead of lead or potassium. thallium green n. the colour of the thallium line n. the vivid green line of the thallium spectrum. ΘΚΠ the world > matter > chemistry > chemical assay or analytical chemistry > [noun] > acetimetry > spectral analysis > record of thallium line1868 Soret (also Soret's) band1899 society > occupation and work > materials > derived or manufactured material > glass and glass-like materials > [noun] > glass > other types of glass mirror glass1440 Venice glass1527 green glass1559 bubble glass1591 hard glass1597 window glass1606 bottle glass1626 looking-glass plate1665 opal glass1668 flint-glass1683 broad-glass1686 jealous glass1703 plate glass1728 Newcastle glass1734 flint1755 German sheet glass1777 Réaumur's porcelain1777 cut glass1800 Vauxhall1830 muslin glass1837 Venetian glass1845 latticinio1855 quartz glass1861 muff glass1865 thallium glass1868 St. Gobain glass1870 frost blue1873 crackle-glass1875 opaline1875 crackle-ware1881 amberina1883 opal1885 Jena1892 Holophane1893 roughcast1893 soda glass1897 opalite1899 milchglas1907 pâte de verre1907 Pyrex1915 silica glass1916 soda-lime glass1917 Vita-glass1925 peach-blow1930 borosilicate glass1933 Vitrolite1937 twin plate1939 sintered glass1940 gold-film1954 Plyglass1956 pyroceram1957 float glass1959 solar glass1977 the world > matter > chemistry > elements and compounds > metals > specific elements > phosphorus > [adjective] > made active as a phosphor thallium-activated1956 1868 H. Watts Dict. Chem. V. 745 The length of the wave of the green thallium-line is 0·0005348 millimetre. 1868 H. Watts Dict. Chem. V. 745 Thallium-salts are highly poisonous. 1868 H. Watts Dict. Chem. V. 758 Thallium-glass. 1956 Nature 3 Mar. 413/1 A single-crystal spectrometer (thallium-activated sodium iodide crystal). 1974 Encycl. Brit. Macropædia XV. 397/2 The phosphor in greatest use in scintillation counters is thallium activated sodium iodide. < as lemmas |
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