| 单词 | ph-stat |
| 释义 | > as lemmaspH-stat pH-stat n. a device for automatically maintaining a solution at constant pH. 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 1956 Jrnl. Amer. Chem. Soc. 78 1862/1 This operation was performed automatically by a ‘pH-stat’ constructed by Mr. T. V. Parke. 1974 D. T. Sawyer & J. L. Roberts Exper. Electrochem. for Chemists ix. 417 In general autotitrators that work with a preset endpoint lend themselves to application as pH-stats. 2000 Proc. National Acad. Sci. U.S.A. 97 5069/2 We found that the maize..had somewhat higher protein digestibility (15% higher filtration volume by using the pH stat in vitro protein digestibility method). < as lemmas |
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