What is the secret of the bloody "cowhide" that could not be broken for decades?

Two or two bird's nests can provide 345 calories, equivalent to two or two meters of cake or bread, and the price difference is 10,000 times. Eating an apple is worth the cellulose contained in the 4 bird's nests. Recently, the blood swallow incident has completely pierced the healthy “cowhide” that the bird's nest industry has advocated for decades. This household name is "traditional"

Asymmetric Thyristor is the abbreviation of thyristor, also known as Silicon Controlled Rectifier, formerly referred to as thyristor; thyristor is PNPN four-layer semiconductor structure, it has three poles: anode, cathode and control pole; thyristor has silicon rectifier The characteristics of the parts can work under high voltage and high current conditions, and their working processes can be controlled and widely used in electronic circuits such as controlled rectifiers, AC voltage regulators, contactless electronic switches, inverters, and inverters.

Asymmetric Thyristor

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