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Pfeiffer Vacuum is celebrating its 130th anniversary. Since its founding in 1890, Pfeiffer Vacuum has been setting new standards in vacuum technology. As a company with a long history, Pfeiffer Vacuu...[Details]
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The relationship between dB (decibel) and multiplier
dB is a unit for expressing relative power or level, and the calculation formula is shown in ① of Table 1. dBm is a unit for expressing abs...[Details]
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The principle of virtual pixel display The virtual pixel LED display screen uses software algorithms to control the light-emitting tubes and enable the light-emitting tubes to participate in the im...[Details]
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Recently, Xinjiang Woneng New Energy Co., Ltd. completed registration on the Xinjiang Power Trading Platform, marking the completion of market registration for the first independent energy storage pro...[Details]
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Apple has now updated its official US website, and the iOS 15 Wallet app will support adding driver's licenses and identification cards in early 2022 for users to use in travel and other scenarios. ...[Details]
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The increasing quality requirements for raw materials, metallic raw materials and solid raw materials with new material properties are placing new demands on microparticle technology. This is also tru...[Details]
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As a new type of power transformer, the power electronic transformer (PET) has attracted more and more attention from researchers at home and abroad. It is a power transformation device that con...[Details]
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OnePlus 8 and OnePlus 8 Pro are already available for pre-order on JD.com, and the pre-order page also reveals some screen information of the upcoming new phones. The entire OnePlus 8 series...[Details]
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A business war centered on advanced autonomous driving SoC chips has begun. In recent years, as the penetration rate of smart driving has increased, global chip giants have entered the automotive i...[Details]
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6. Install the base
7. How to fix the upper cover screws
8. Install the base screws
9. Structu...[Details]
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Part 1: Concepts and definitions of power indicators
1. Several indicators describing the impact of input voltage on output voltage
1. Absolute voltage regulation coefficient:
A. Absolute voltage...[Details]
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Label: FPUS Function: Push floating point numbers onto the stack
Entry condition: Operand is in .
Exit information: Operand is pushed to the top of the stack.
Affected resources: A, R2, R3 Stack re...[Details]
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In March 2015, a post on WeChat that "an inverter exploded in a photovoltaic power station in the northwest!" caused an uproar in the industry (actually it was spontaneous combustion). According ...[Details]
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As UWB gradually emerges in electronic products, the automotive use of UWB technology has also been developed and extended. BMW and NIO have successively released UWB digital keys, opening a new door...[Details]
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The development of technologies such as artificial intelligence (AI), cloud computing, and edge computing is driving innovation and upgrading in all walks of life. This process is also accompanie...[Details]