单词 | oxyhydrogen |
释义 | oxyhydrogenn. A flammable mixture of oxygen and hydrogen, used in brazing metals, etc. Usually attributive.Recorded earliest in oxyhydrogen blowpipe n. at Compounds. ΘΚΠ society > occupation and work > materials > fuel > chemical fuel > [noun] > gaseous, vaporous, or vaporized oxyhydrogen1823 acetylene1860 isobutane1876 albo-carbon1878 mixture1878 producer gas1883 astatki1885 hydrazine1887 oxy-gas1900 oxyacetylene1907 suction gas1907 propane gas1930 oxy-propane1963 oxy-fuel1967 syngas1975 autogas1982 1823 Trans. Soc. Arts 41 70 The Gold Isis Medal..to Goldsworthy Gurney..for his Oxy-Hydrogen Blow-pipe. 1826 Philos. Trans. (Royal Soc.) 116 487 The metal, silver, for instance, when violently heated, as on charcoal urged by a jet of oxygen, or by the oxy-hydrogen, or oxy-alcohol flame, is converted into vapour. 1834 T. Medwin Angler in Wales II. 5 The microscope..notwithstanding all its oxyhydrogen improvements. 1953 H. R. Brooker & E. V. Beatson Industr. Brazing ii. 30 The oxy-hydrogen flame has a disadvantage compared with oxy-acetylene, from the viewpoint of shop usage, in its almost completely non-luminous character. 1984 E. P. DeGarmo et al. Materials & Processes in Manuf. (ed. 6) xxxiii. 851 In this torch-brazing procedure, oxyacetylene, oxyhydrogen, or other gas-flame sources can be used. 2000 Environmental Sci. & Technol. 34 3868/2 A water sample..introduced into the oxyhydrogen torch for combustion is completely mineralized to the fluoride ion. Compounds oxyhydrogen blowpipe n. a type of blowpipe in which streams of oxygen and hydrogen meet as they emerge, producing an extremely hot flame by the burning of the hydrogen in the oxygen. ΘΚΠ the world > matter > chemistry > equipment or apparatus > [noun] > miscellaneous apparatus bain1477 speculum1650 filtering paper1651 wheel-fire1662 filter paper1670 sun furnace1763 respirator1789 candle-ball1794 rectifier1822 candle-bomb1823 filter1823 oxyhydrogen blowpipe1823 shade1837 graduator1839 pipette1839 thistle funnel1849 pressure tube1852 ozonizer1858 dialyser1861 Liebig condenser1861 Sprengel pump1866 Sprengel tube1866 water softener1867 mercury pump1869 Bunsen burner1870 dialysator1877 test-mixer1877 tube-condenser1877 Kipp1879 reflux condenser1880 policeman1888 converter1889 pressure boiler1891 spot plate1896 hydrogen electrode1898 sampler1902 reactor1903 fume-chamber1905 Permutit1910 microburner1911 salt bridge1915 precipitator1919 Raschig ring1920 microneedle1921 titrator1928 laboratory coatc1936 spray tower1937 precipitron1938 ion exchanger1941 potentiostat1942 chemostat1950 Knudsen pipette1951 pH-stat1956 cryopump1958 1823Oxy-hydrogen [see main sense]. 1936 E. A. Atkins & A. G. Walker Electr. Arc & Oxy-acetylene Welding (ed. 3) i. 7 Oxy-Hydrogen Welding. The oxy-hydrogen blow-pipe has been in use in connection with lead burning and similar operations for a long time. 1965 B. J. Moody Compar. Inorg. Chem. xviii. 268/2 Silica may be fused in the oxy-hydrogen blowpipe flame, softening at 1500–1600° C and fusing above 1700° C. oxyhydrogen light n. now historical = limelight n. 1. ΘΚΠ the world > matter > light > firework > [noun] > limelight limelight1826 Drummond1830 oxyhydrogen light1849 oxy-calcium light1859 calcium light1864 1849 Littell's Living Age 14 Apr. 87/2 It was very different from..the harsh white glare of the oxyhydrogen light. 1882 Cent. Mag. Apr. 955/2 The oxyhydrogen light, sometimes known as the lime-light or the Drummond light, is one of the most useful forms of lamp that can be employed. 1948 M. Quigley Magic Shadows xvi. 146 Demeny developed..a lantern projector equipped with an oxyhydrogen light. oxyhydrogen microscope n. now historical a microscope in which the object is lit by limelight. ΘΚΠ the world > physical sensation > sight and vision > optical instruments > magnification or magnifying instruments > [noun] > microscope > other microscopes lucernal microscope1743 gas microscope1833 oxyhydrogen microscope1839 binocular1871 orthostereoscope1892 pseudostereoscope1892 ultramicroscope1906 acoustic microscope1910 hodoscope1915 optical microscope1928 light microscope1934 comparison microscope1940 phase microscope1946 stereomicroscope1962 the world > matter > light > artificial light > an artificial light > [noun] > lamp > lantern > magic lantern > types of lucernal microscope1743 megascope1831 oxyhydrogen microscope1839 physioscope1844 aphengescope1869 sciopticon1870 stereopticon1875 anarithmoscope1882 tri-unial1891 triple1892 episcope1909 1839 Penny Cycl. XV. 188/2 A few achromatic glasses for oxy-hydrogen microscopes have been made. 1857 Househ. Words 8 Aug. 133/1 With the solar or oxyhydrogen microscopes exhibited at public lectures, you only see the shadow of the thing displayed; but, with a good compound microscope you behold the thing itself actually and bodily. 1930 A. Cruse Englishman & his Bks. 85 From less than two pages of this work the pupil can learn all about the mechanism of a barrel organ,..the bude light, and the oxyhydrogen microscope. This entry has been updated (OED Third Edition, March 2005; most recently modified version published online March 2022). < n.1823 |
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