At 1 am on May 9th, Beijing time, Google held the 2018 I/O Developer Conference in Mountain View, California, USA, where a new generation of Android Android was installed. P officially meets us, Android? P redesigned the system interface and brought more intelligent features, which is very exciting. However, at this conference we also saw a familiar face, it is vivo. Google I/O conference held, the new generation Android P system officially released At the conference, Google officially announced several smartphone brands that will be the first to use the Android P Beta system, including the domestically produced domestic brand vivo. Vivo became the first mobile phone brand to use the Android P Beta system As the first mobile phone manufacturer to taste the taste of “pistachio ice creamâ€, vivo became the decision-making participant of Android P. It is reported that vivo in the new preview version of the system, adding a new way of interaction, that is, the creation of a comprehensive screen-based interaction, bringing us a lot of surprises and more convenient operation experience.
The electrolyte material inside the electrolytic capacitor, which has charge storage, is divided into positive and negative polarity, similar to the battery, and cannot be connected backwards.A metal substrate having an oxide film attached to a positive electrode and a negative electrode connected to an electrolyte (solid and non-solid) through a metal plate.
Nonpolar (dual polarity) electrolytic capacitor adopts double oxide film structure, similar to the two polar electrolytic capacitor after two connected to the cathode, the two electrodes of two metal plates respectively (both with oxide film), two groups of oxide film as the electrolyte in the middle.Polar electrolytic capacitors usually play the role of power filter, decoupling (like u), signal coupling, time constant setting and dc isolation in power circuit, medium frequency and low frequency circuit.Non-polar electrolytic capacitors are usually used in audio frequency divider circuit, television S correction circuit and starting circuit of single-phase motor.
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