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As capacitive screen phones have become popular for many years, the focus of the mobile phone industry chain is no longer just on the front screen, but has expanded to the phone frame and back, a...[Details]
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Lead-acid batteries are complex electrochemical systems. Their health status (SOH) is affected by many factors, such as electrolyte ion conductivity, electrolyte concentration, battery internal res...[Details]
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Graphite, the material on pencil tips, has also been a key component of today's lithium-ion batteries. However, as people become more and more dependent on such batteries, graphene-based electrodes s...[Details]
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With the development of LED technology, the application of LED has expanded from the traditional low-power portable product backlight to medium and high-power indoor lighting, outdoor lighting and...[Details]
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According to foreign media reports, recently, German automakers including Volkswagen, BMW and Porsche have announced that they will suspend production in some of their domestic factories. There is a ...[Details]
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The core of
digital transformation
is to
digitize
the various business processes of the enterprise
and improve and innovate the way of business operation through the application ...[Details]
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The electronic clock introduced here has a very simple circuit. It only uses a single 20-pin microcontroller to complete all the functions of the electronic clock, while other design schemes that I...[Details]
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The large signal measurement of DUT is crucial, especially S22 (related to the matching with the antenna) and saturation power (Psat, directly related to the transmission power). When testing high-po...[Details]
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Friends who want to buy LED display screens will definitely ask for LED display screen quotation plans as a reference to see if the budget is overspent. Based on years of experience, we will introd...[Details]
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Wireless FM audio repeaters can modulate audio signals into high-frequency signals and receive them with FM radios within a certain distance. Wireless audio repeaters are widely used in wireless ...[Details]
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As an important element of struct file_operations, mmap mainly implements the mapping relationship between physical memory and virtual memory, so that virtual memory can be directly accessed without u...[Details]
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Recently, a new technology of OpenAI, an American company specializing in artificial intelligence (AI) development co-founded by Elon Musk, has attracted attention because it demonstrates human-lik...[Details]
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The circuit of the 15V/3.5A, 52W switching power supply composed of MC33374T/TV is shown in Figure 3. The allowable range of its AC input voltage u is 92V~276V. VD1~VD4 are rectifier bridges. The prim...[Details]
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1. Differential measurement A better solution for floating measurements is to use a differential probe with a high common mode rejection ratio, because there is no grounding problem at either input e...[Details]
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Design concept of TpBD-2F film: Elucidation of the synthesis process and the role of fluorinated nanochannels in guiding the fast, uniform, and reversible Zn2+ plating/stripping process. Im...[Details]
Discrete Device
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