英语词汇“bright-field”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

bright-field adj. Microscopy characterized by, involving, or produced by the illumination of the object under examination from below (or opposite the objective lens), so that it appears more or less dark (according to its opacity and colour) against a bright background.Cf. dark-ground adj., phase contrast n. at phase n.² Compounds 2.

ΚΠ

1845 Rep. Secretary of Navy 15 in U.S. Congress. Serial Set (28th Congr., 2nd Sess.: Senate Doc. 114) VII Its wires are illuminated by small lamps.., or the field is illuminated by a similar lamp.., enabling the observer to have bright lines and dark field, or bright field and dark lines, at will.]

1872 Amer. Naturalist 6 531 Immersion achromatic condensers for transparent (bright-field) illumination have not yet received sufficiently extensive trial.

1987 D. J. Johnson in P. A. Thrower Chem. & Physics Carbon XX. 41 A typical bright-field image of one such inclusion is shown in Fig. 29.

2015 Proc. National Acad. Sci. U.S.A. 112 8643/1 Cells were..stained in 0.5% crystal violet/methanol..and analyzed by bright-field microscopy.

单词	bright-field
释义	> as lemmas bright-field bright-field adj. Microscopy characterized by, involving, or produced by the illumination of the object under examination from below (or opposite the objective lens), so that it appears more or less dark (according to its opacity and colour) against a bright background.Cf. dark-ground adj., phase contrast n. at phase n.² Compounds 2. ΚΠ 1845 Rep. Secretary of Navy 15 in U.S. Congress. Serial Set (28th Congr., 2nd Sess.: Senate Doc. 114) VII Its wires are illuminated by small lamps.., or the field is illuminated by a similar lamp.., enabling the observer to have bright lines and dark field, or bright field and dark lines, at will.] 1872 Amer. Naturalist 6 531 Immersion achromatic condensers for transparent (bright-field) illumination have not yet received sufficiently extensive trial. 1987 D. J. Johnson in P. A. Thrower Chem. & Physics Carbon XX. 41 A typical bright-field image of one such inclusion is shown in Fig. 29. 2015 Proc. National Acad. Sci. U.S.A. 112 8643/1 Cells were..stained in 0.5% crystal violet/methanol..and analyzed by bright-field microscopy. extracted from brightadj.n. < as lemmas
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