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40 experimental mice were exposed to nicotine-containing e-cigarette smoke for 54 consecutive weeks, and 9 (22.5%) developed lung cancer. In addition, 23 (57.5%) developed bladder hyperplasia, which ...[Details]
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Mercedes-Benz recently released the ESF 2019 safety concept car. ESF is the name of a concept car that Mercedes-Benz uses to develop safety technology, and is mainly used to showcase the new ideas of...[Details]
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Image source: Lianchuang Automotive Electronics Driven by the trend of the "new four modernizations" of automobiles, China's smart electric vehicles have ushered in explosive development. With t...[Details]
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The vehicle controller VCU (vehicle control unit) is the core component of new energy vehicles. It can collect driver operation inputs, including sensor signals such as accelerator pedal, brake pedal...[Details]
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The content stored in the memory can be programs or data. Programs are instruction codes that can be run by the ARM processor, and data are operands or variables used by instructions during operation....[Details]
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Local variables declared as Static are stored in the static storage area. It will not be released after the function call ends. Its value will be retained. So it can be said that local variables decl...[Details]
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1 Introduction At present, GaAs MESFET LNAs are widely used in the RF frequency range up to several GHz. Their advantage is that they can achieve a noise figure as low as about 1 dB while achieving...[Details]
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I recently used c8051 for development. When the serial port program was moved into the project, the whole program stopped running. I added breakpoints and debugged, and found that there was a problem...[Details]
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Continental is rapidly moving towards the era of vehicle intelligence 2.0.
On October 23, Continental held the 2024 China Technology Experience Day event, showcasing its innovative achie...[Details]
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In many cases, when the timer/counter is often used for other purposes or cannot be implemented, the only way to delay is by software, for example, the delay exceeds the maximum value of the timer ...[Details]
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Apple today reminded developers to submit privacy information for their apps using App Store Connect. This information will be used for a new privacy label feature that will be added to every app on ...[Details]
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According to foreign media reports, the US branch of Q-Free, a Norwegian toll collection and intelligent transportation system (ITS) provider, will use real-time data to manage the complex and divers...[Details]
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From January to March, the total retail sales of consumer goods was 785.8 billion yuan, a nominal decrease of 19.0% year-on-year. Among them, the retail sales of consumer goods other than automobiles...[Details]
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Introduction: In this issue of electrical knowledge, we will introduce in detail the usage and precautions of common instruments, so that everyone can master the relevant knowledge more quickly. 1....[Details]
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UPS, or uninterruptible power supply , is a system device that connects a battery (mostly lead-acid maintenance-free battery ) to a host computer and converts direct current into mains power ...[Details]