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1. The unit of luminous flux (Φ) is lumen (lm). All the radiant energy emitted by a light source and perceived by the human eye is called luminous flux.
2. Luminous intensity (I): The luminous...[Details]
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On the morning of November 29, vivo's official Weibo account showed a large-screen advertisement of OriginOS in New York's Times Square. OriginOS was displayed in a prominent vertical screen for...[Details]
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Embedded Programmable Controller and Its I/O Module
In order to reasonably solve the problems in the current software and hardware allocation of the programmable logic controller itself, as wel...[Details]
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@Digital Chat Station revealed that Samsung Display has adjusted the driver of 30~120Hz display screens. This year's new mobile phones using Samsung OLED screens are eligible to adopt 30/60/90/12...[Details]
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example 1. Fault phenomenon: The battery of a DT890 digital multimeter is consumed very quickly, and a new battery will run out of power within a few days. Analysis and maintenance: The battery...[Details]
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On September 3, Alight was officially listed on the Shanghai Stock Exchange Science and Technology Innovation Board. The company's stock code is 688378 and the issue price is 62.57 yuan per share. A...[Details]
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Issues facing vehicle system development in the CASE era As the automotive industry develops the next generation of vehicles, the way it develops in-vehicle systems must change in order to better r...[Details]
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With the transformation of the automobile industry, the world is gradually entering the era of electrification. Currently, Chinese car companies and foreign traditional giants have "changed their off...[Details]
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Shanghai Jinlitai Chemical Co., Ltd. (hereinafter referred to as the "Company") recently received a notice of winning the bid from a leading new energy battery company (hereinafter referred to as t...[Details]
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The inverter has many setting parameters, and each parameter has a certain selection range. In use, it is often encountered that the inverter cannot work normally due to improper setting of individ...[Details]
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The 2019 Intel Internet of Things Summit with the theme of "Seeing the Big Picture from the Small" was held in Xiamen. At the meeting, Intel systematically introduced its three pillar strategies for ...[Details]
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PPP-RTK
Thanks to the efforts of many experts, the positioning accuracy and real-time performance of PPP have made great progress. However, due to the influence of various residual err...[Details]
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Recently, I want to learn more about STM8, so I chose to write the temperature and humidity sensor DHT11 driver code from scratch. I encountered some problems and also gained some experience. I hope ...[Details]
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According to domestic media reports, ByteDance's strategic investment department has been disbanded recently, and some of its original department members have been appointed to other positions. In t...[Details]
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Recently, the planned projects of Jiangsu Province's Carbon Peak and Carbon Neutrality Science and Technology Innovation Special Fund in 2024 were announced. A total of 14 projects are planned to b...[Details]