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1. What are the similarities and differences between the lumen efficiency of a single LED and the lumen efficiency of a lamp that uses LED as a light source?
For a specific LED, with a speci...[Details]
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When the inverter is not used, two contactors are required to control the forward and reverse rotation of the motor. However, this is no longer necessary after the inverter is used. The starting, f...[Details]
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Video images are closely related to people's production and life, and are the main source of information for humans to obtain and exchange. According to statistics, more than 80% of human information...[Details]
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In any high-speed digital circuit design, dealing with noise and electromagnetic interference (EMI) is an inevitable challenge. Digital signal processing (DSP) systems that process audio, video and...[Details]
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According to news from the investment banking industry, Lenovo is indeed participating in the bidding for BlackBerry. Its three opponents are Fairfax Financial Holdings Limited (hereinafter referred ...[Details]
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At noon on June 9, AMEC issued an announcement stating that the company learned this morning that the U.S. Department of Defense removed Advanced Micro-Fabrication Equipment Inc. (AMEC) (hereinafter ...[Details]
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Recently, Netcom learned from overseas media carscoops that Rimac is developing a new battery module that will use larger 46mm diameter cylindrical batteries to increase the energy density of its fut...[Details]
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1. History, current situation and development trend of flow meter China started the work of modern flow measurement technology relatively late, and began to produce turbine and electromagnetic flowme...[Details]
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More than half of survey participants said reliability drives brand loyalty Key reliability challenges include adequate test time, supplier quality, cost, and the correlation between product de...[Details]
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1.RTC_WaitForSynchro() dead loop, found that RTC_Configuration() was not executed, added function, but don't know what effect it will have on the clock accuracy later /****************************...[Details]
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One of the functions of the stage LED screen: enriching the performance content. As an extension and supplement to the stage performance, LED enriches the content of the performance and provides ...[Details]
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The diode measurement method is very important. It is the method the author uses most during maintenance. Some of this was discussed in the fourth section, but the diagram is still not clear, and ...[Details]
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1. No blind spots, high precision. 2. Two-wire technology is an excellent substitute for differential pressure instruments, magnetostrictive instruments, radio frequency admittance instruments, and m...[Details]
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In June this year, Sony, together with its competitors Nintendo and Microsoft, wrote a rare letter to the Office of the United States Trade Representative, requesting the withdrawal of additional tar...[Details]
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According to relevant reports from Omdia and CLT, the global automotive semiconductor market size (TAM) will grow from US$40 billion to US$76 billion from 2020 to 2023. In 2023, ST's revenue accoun...[Details]