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Recently, Huang Chunhui's research group at the School of Chemistry and Molecular Engineering of Peking University synthesized two df transition rare earth cerium (III) complexes Ce-1 and Ce-2 with s...[Details]
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Working principle: The circuit composed of capacitor C5, voltage regulator tube VDW, diode VD2, capacitor C4 and resistor R6 provides a DC working voltage of about 12V for the control part. When the ...[Details]
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White LEDs are usually driven by a constant DC current source to maintain constant brightness. In portable applications powered by a single lithium-ion battery, the sum of the voltage drops across the...[Details]
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introduction
At present, when the company produces workpieces, it often uses electric hoists for lifting and stacking, but this equipment has certain defects: first, there is a risk of workpie...[Details]
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In practical applications, a software-programmable gain amplifier (PGA) is often needed to amplify analog input signals of different amplitudes to a specific range to facilitate sampling by the ...[Details]
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Abstract: HD lenses, also known as megapixel lenses, have advantages over ordinary industrial lenses in terms of high definition, strong spectral transmission, and high spectral correction. As th...[Details]
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With the support of new technologies such as 5G and MEC (Multi-Access Edge Computing), Internet of Vehicles technology has greatly improved in terms of high reliability and low latency, and has accel...[Details]
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1 Introduction
UPS (Uninterruptible power supply) is a power electronic device between the AC power grid and the load. Its basic function is to ensure uninterrupted power supply to the load a...[Details]
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The figure shows a variable gain amplifier circuit using a general purpose II type F007 operational amplifier.
The gain of the circuit is determined by the ratio of the in-phase and inverting in...[Details]
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The prescaler is an 8-bit counter with programmable frequency division multiples. Its structure is shown in the figure. The prescaler parameters have been described in the previous section and will n...[Details]
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On November 5, the 6th China International Import Expo opened grandly. Meng Pu, Chairman of Qualcomm China, delivered a speech entitled "Empowering the Next Wave of Digital Transformation at the Edge...[Details]
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Keysight Technologies N1912A P series dual-channel power meter can provide peak value, peak-to-average ratio, average power, rise time, fall time, maximum power value, minimum power value and statist...[Details]
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Why should photovoltaic power generation be equipped with an energy storage system?
Ensure system stability
In photovoltaic power station systems, the photovoltaic output pow...[Details]
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In most people's opinion, a company doing network security must have a very high level of security, which can protect itself from attacks from the Internet. Is this true? In fact, they may still be a...[Details]
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Soft starters and frequency converters are two types of electrical equipment widely used in the field of industrial automation. They have certain differences in functions, principles, applications,...[Details]
Industrial Control Electronics
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