Weld penetration and wire melting speed of AC PMIG welding not only have relationship with welding current but also with electrode negative ratio.

交流脉冲MIG焊其焊缝熔深及焊丝熔化速度不仅与焊接电流有关，而且与负极性比率有关。

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The paper describes the method of fabricating flexible polyaniline electrode. Negative resistance is observed obviously in the air using the electrode in the devices and its mechanism is discussed.

描述聚苯胺柔性透明电极的制作方法，利用该电极制作负电阻器件，在大气环境下观察到明显的负电阻特性，并对其产生负电阻的内在机理进行分析。

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In an ultracapacitor, positively charged ions gather on the surface of the negatively charged electrode and negative ions on the surface of the positive electrode.

ECONOMIST: Electricity storage

It consists of a negative electrode (cathode) and a positive electrode (anode), with a vacuum between them.

ECONOMIST: Medical technology