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11.
纠正一幅静电场中的导体的图像梁彦天张丽伟（新乡师范高等专科学校,４５３０００,新乡;第１作者３９岁,男,副教授）图１静电感应示意图１９８１年高考题第１（４）小题［１］给出一幅静电场中的圆锥形导体上感应电荷分布的图像．如图１所示,我们认为：这幅图像是错... 相似文献
12.
A repulsive vortex-vortex interaction model was used to numerically study the melting transition of the two-dimensional vortex system with Monte Carlo method. Then a δ-function-like peak in the specific heat was observed and the internal energy showed a sharp drop at the melting temperature, whieh indicated that there exists a first-order melting transition at finite temperatures. The Lindemarm criterion was also investigated and valid, but different from previous simulation results. 相似文献