capacitance

Some notes on the use of glass shower room, maintenance, etc

​Various modern families have a large bathroom with an extra shower room. If the shower room wants to be specially designed, exquisite and lovely, it has to be considered from its structure and materials. We can't alter the structure often, but we can choose the materials we want, and with the exception of the most …

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Raycus Laser's first-half revenue of 1.547 billion pulse lasers increased 22% year on year

On August 25, Rayco Laser issued a half-year results report. According to the report, in the first half of 2022, the company's operating revenue was about 1.547 billion yuan, down 3.87% year on year; ​net profit attributable to shareholders of the listed company was about 21.89 million yuan, a decrease of 91.6%; ​basic earnings per …

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China General Nuclear Power: first-half net profit of 5.904 billion yuan up 7.39% year on year

China General Nuclear Power (003816) disclosed the semi-annual report on the evening of August 24. During the reporting period, the company achieved operating revenue of 36.622 billion yuan, down 0.66% compared with the same period last year; ​the net profit attributable to the shareholders of the parent company was about 5.904 billion yuan, an increase …

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Travel abroad WiFi and phone card recommendations

Travel abroad, but what about the Internet or phone? The telecommunication operators in every country are different, so the biggest problem facing overseas tourism is how to select communication and network. At present there are three methods that can solve the problem: with wifi, Pr phone cards, international roaming or outside the exactly which one …

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Solid state relay

Solid-state relay is a new type of contactless electronic switch developed by combining modern micro-electronic technology with power electronic technology. In logic control circuit, with electromagnetic relay function similar, under the control of trigger signal, to achieve the purpose of weak control strong and weak strong isolation. Solid state relay has the advantages of safe …

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What does the color of the ring mean?

Ferrosilicon aluminum magnetic ring Characteristics of iron silicon aluminum magnetic ring: lower loss than iron powder core, good DC bias characteristics, the cost is between iron powder core and iron nickel molybdenum, material permeability (μ) respectively: 26, 60, 75, 90, 125 iron silicon aluminum standard color is black. Iron powder core magnetic ring Iron powder …

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Electronic components and grade introduction

Electronic components are the general term for components and devices. It is a component of electronic components and small machines and instruments. It is often composed of several parts and can be used in similar products. Often refers to electrical appliances, radio, instrumentation and other industrial parts, such as capacitance, transistor, spring, spring and other …

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Working principle of valve radio The development of valve radio

Valve radio Vacuum tube radio, is a product of the last century, along with the radio started immediately become the era of "to be bestowed favor on newly" due to the emergence of science and technology constantly development of the transistor, the 60 s and seventy s last century tube by powerful flood washed away …

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How to make integrated circuit board

Integrated circuit board Integrated circuit board is a carrier of integrated circuit. But when you talk about integrated circuit boards, you also bring integrated circuits with you. Integrated circuit board is mainly composed of silica gel, so generally green. Integrated circuit board (IC) is made of semiconductor technology, many transistors, resistors, capacitors and other components …

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