| 单词 | streak plate |
| 释义 | > as lemmasstreak plate streak plate n. (a) Bacteriology (a vessel containing) a streak culture; (b) Mineralogy a small tablet of unglazed porcelain on which minerals may be rubbed to ascertain the colour of the streak (sense 2d). ΘΚΠ the world > the earth > earth sciences > geology > mineralogy > [noun] > apparatus mineral dresser1876 Jolly1882 meldometer1885 streak plate1895 the world > life > biology > laboratory analysis > material > [noun] > culture or medium culture1880 blood culture1881 cultivation1881 culture medium1883 pure culture1883 agar1885 broth1885 subculture1885 tube-culture1886 bouillon1887 stab-culture1889 streak culture1892 blood agar1893 microculture1893 shake culture1894 streak plate1895 broth culture1897 slant1899 plating1900 stock culture1903 touch preparation1908 tissue culture1912 plaque1924 slope1925 agar-agar1929 isolate1931 MacConkey1938 auxanogram1949 lawn1951 monolayer1952 replica plate1952 1895 Buck's Handbk. Med. Sci. Suppl. 83/1 ‘Streak-plates’ are made on gelatine and agar, after the medium has been poured in the plates and become solidified, by drawing an infected needle across them in four or five parallel courses. 1898 Brush & Penfield Man. Determ. Mineral. (ed. 15) v. 228 The streak of a mineral..may be quickly determined by rubbing it on a piece of white, unglazed porcelain... Pieces of unglazed porcelain, called streak plates, are made especially for this purpose. 1964 J. Sinkankas Mineral. for Amateurs viii. 202 Hematite crystals appear quite black, but when rubbed across a porcelain streak plate, the characteristic deep red trace shows the true color. 1966 McGraw-Hill Encycl. Sci. & Technol. (rev. ed.) III. 616/2 Streak plates are incubated in a closed vessel in which the air is replaced by an inert oxygen-free gas. < as lemmas |
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