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Seismic Noise Suppression for Ground-Based Investigation of an Inertial Sensor by Suspending the Electrode Cage 被引量:6
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作者 谭定银 尹航 周泽兵 《Chinese Physics Letters》 SCIE CAS CSCD 2015年第9期9-12,共4页
Performance test of a high precise accelerometer or an inertial sensor on the ground is inevitably limited by the seismic noise. A torsion pendulum has been used to investigate the performances of an electrostatic acc... Performance test of a high precise accelerometer or an inertial sensor on the ground is inevitably limited by the seismic noise. A torsion pendulum has been used to investigate the performances of an electrostatic accelerometer, where the test mass is suspended by a fiber to compensate for its weight, and this scheme demonstrates an advantage, compared with the high-voltage levitation scheme, in which the effect of the seismic noise can be suppressed for a few orders of magnitude in low frequencies. In this work, the capacitive electrode cage is proposed to be suspended by another pendulum, and theoretical analysis shows that the effects of the seismic noise can be further suppressed for more than one order by suspending the electrode cage. 展开更多
关键词 LENGTH Seismic Noise Suppression for Ground-Based Investigation of an Inertial Sensor by Suspending the electrode Cage
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The Electrode Process of Titanium Subchlorides and Electrodeposition of Titanium in LiCl-KCl Fused Salts 被引量:1
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作者 Douglas Inman 《Rare Metals》 SCIE EI CAS CSCD 1989年第4期6-11,共6页
The electrochemical behaviour of Ti(Ⅲ) and Ti(Ⅱ) in LiCl-KCl eutectic system has been studied by cyclic voltammetry and chronoamperometry.The cathodic reduction of Ti(Ⅲ) and Ti(Ⅱ) has been found to be stepwise:Ti(... The electrochemical behaviour of Ti(Ⅲ) and Ti(Ⅱ) in LiCl-KCl eutectic system has been studied by cyclic voltammetry and chronoamperometry.The cathodic reduction of Ti(Ⅲ) and Ti(Ⅱ) has been found to be stepwise:Ti(Ⅲ)+e=Ti(Ⅱ),Ti(Ⅱ)+2e =Ti.The reductions are diffusion controlled.When an equilibrium between Ti subchlorides and excess metallic Ti was estab- lished by reaction 2TiCl_3+Ti=3TiCl_2 in LiCl-KCl melt at 475℃,then the average valence of Ti is less than 2.1.In this system the diffusion coefficient for Ti(Ⅱ) ion was calculated as D=2.5×10^(-5)cm^2·s^(-1).The chronoamperometric studies showed that the initial nucleation stage and growth of nuclei were observed when Ti ions were electrodeposited on low carbon steel substrate. The investigation of nucleation of metal may provide the method for obtaining smooth,coherent and adherent deposits of titanium. 展开更多
关键词 the electrode Process of Titanium Subchlorides and electrodeposition of Titanium in LiCl-KCl Fused Salts Ti
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