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Ball Grid Array (BGA) packaging technology has been used in cutting-edge armaments, missiles and aerospace technology as early as the 1980s.
With the development of semiconductor process t...[Details]
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introduction
The Internet of Things refers to the combination of various information sensing devices, such as radio frequency identification devices, infrared sensors, global positioning systems, las...[Details]
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1 Introduction
At present, with the continuous improvement of science and technology and the level of industrial and agricultural production, higher and higher requirements are put for...[Details]
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A few days ago, Flyme’s official Weibo announced that the Flyme 9.2 stable version ushered in a new wave of updates. This update is compatible with the Meizu 18 series, Meizu 18s series and Meizu 18X...[Details]
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With the development of integrated circuit technology, the requirements for the switching frequency, transmission delay, stability, power consumption, etc. of power management chips are becoming in...[Details]
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The current detection circuit is necessary for current mode control. It detects the current on the power switch tube, then outputs a current sensing signal to superimpose the slope compensation si...[Details]
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On October 1, 1949, the only power station in Qinghai Province, the Xining Hydropower Plant, was officially renamed the Xining People's Power Plant.
In May 1958, the first 35 kV transmission l...[Details]
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According to South Korea’s News1 news website on September 8, due to overcapacity of Chinese competitors, South Korean manufacturers such as LG and Samsung will implement "human resource structure ad...[Details]
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The body of a car is composed of more than 3,000 sheet metal parts and more than 500 interior and exterior trims. In addition, the welding of the car body is highly automated and the appearance is co...[Details]
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After more than a year of construction, the Qinghai Province Photovoltaic Inverter System Equipment Manufacturing Base invested and constructed by Sungrow Power Supply (Qinghai) Co., Ltd. was com...[Details]
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The difference between Class A, Class B and Class AB amplifiers
The operating point of the output transistor (or tube) of the Class-A amplifier is at the midpoint of its linear part. No matter how ...[Details]
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The interaction of car lights is a driving etiquette for car owners and an important medium for communication between cars and between cars and people. With the advancement of technology in recent ye...[Details]
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Three-phase bridge full-controlled rectification and DC motor speed regulation experiment principle
The three-phase bridge fully controlled rectifier circuit can use a trigger to control the c...[Details]
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There are many types of testing machines, and there are many different classification methods. According to the traditional classification method, they can be divided into five categories: metal mater...[Details]
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1. Errors caused by non-axisymmetric flow When the velocity of the fluid in the pipe is axisymmetrically distributed, and in a uniform magnetic field, the magnitude of the electromotive force generat...[Details]