| 摘要 |
PCT No. PCT/AU81/00127 Sec. 371 Date May 10, 1982 Sec. 102(e) Date May 10, 1982 PCT Filed Sep. 4, 1981 PCT Pub. No. WO82/01071 PCT Pub. Date Apr. 1, 1982.A method for measuring the purity of water in which the water is passed through an insulated pipe (1) in a cell spaced between electrodes (2-3) for measuring the tribo-electric electromotive force (e) generated by the flow, and wherein the resistivity of the water is calculated from the measured electromotive force.
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