| 词汇 | resistivity |
| 释义 | resistivity noun[ U ] physics specializeduk /ˌriː.zɪsˈtɪv.ə.ti/ us /ˌriː.zɪsˈtɪv.ə.t̬i/ a measure of the electrical resistance of a substance电阻率，电阻系数 Electricity & electronics anodize anti-static arc bitstream brownout capacitance chargeable electricity generate high-voltage homing insulating tape linesman magnet multimeter negatively non-electric non-electrical non-electronic solid-state resistivity | American Dictionaryresistivity noun[ U ] us/ˌri·zɪsˈtɪv·ɪ·t̬i, rɪ·zɪs-/ physics a measure of the electrical resistance of a substance Examples of resistivityresistivity This speed is smaller than the slow characteristic speed, and decreases for decreasing resistivity. Zero-flow equilibria could be found only by choosing a somewhat artificial, and likely unphysical, spatial profile for that resistivity; otherwise, velocity fields were required. The change in the flux depends on the resistivity of the plasma. If there is an anomalous resistivity located in the vicinity of the sheet, is a non-constant function. It will be of interest to see how the bounds on the turbulent resistivity compare with experimental measurements. However, if one wants to integrate further in time, the resistivity has to be lowered to avoid too much diffusion of the current. The magnetic topology of each example indicates a correlation between resistivity and reconnection. The anomalous resistivity must be generated by the micro-instability in particle dynamics. However, if the perfectly conducting wall is replaced by one with finite resistivity the plasma is again unstable. We again set the viscosity = 0, but we retain a finite resistivity required for tearing modes. Resistivity of this form is due to wave-particle interactions between the dust and ion fluids. In the magnetically dominated regime, the eddy resistivity is found to be negative definite, leading to large-scale instabilities. Only then can a reliable prediction be made for the time scale of the current-current interaction process with realistic resistivities. We believe, however, that basic features of anomalous resistivity have not always been properly taken into account. Its form is determined by the fact that the main linear regulating factor was supposed to be the resistivity. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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