| 摘要 |
<p>735,623. Electric analogue calculating systems; liquid resistances. TEXACO DEVELOPMENT CORPORATION. Nov. 20, 1953 [Nov. 26, 1952], No. 32225/53. Addition to 693,782. Drawings to Specification. Class 37. In an electric potentiometric analogue model as set forth in the parent Specification for evaluating physical systems in multiple variable parameters comprising two electrolytic pools having conductivities analogous to the system parameters, separated by an impervious insulating barrier traversed by plural metallic conductors the electrolyte pools contain ions of the conductor metal having unequal activities together with a weak acid having ionization constant of less than 1 x 10<3>, or a basic ammonium compound, for pH control of the electrolyte as the metal conductors dissolve, whereby a reversible electrochemical equilibrium between the conductors and the electrolyte is established so that the electrode surfaces of the conductors are continuously cleansed of the passive resistance film or oxide barrier which would otherwise form thereon. The conductors may be of lead in an electrolyte containing 0.2 per cent lead acetate and 8 per cent sodium nitrate by weight, with 0.07 per cent glacial acetic acid by volume; or may be of any metal between silver and zinc in the electrochemical series, in a compatible electrolyte containing a weak acid and a salt of a strong acid and a strong base.</p> |
