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On the evening of July 27, HGTECH released its semi-annual performance report stating that its operating income in the first half of 2021 was approximately 4.639 billion yuan, a year-on-year increase...[Details]
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A year ago, Scale and NuTonomy released the autonomous driving dataset NuScenes, claiming that the dataset surpassed datasets such as KITTI, Baidu ApolloScape, and Udacity autonomous vehicle data in ...[Details]
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1 Overview With the in-depth development of digital technology, many measuring equipment used today have abandoned the old analog pointer instrument technology and transitioned to digital. Especially...[Details]
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1. In the TN-CS system, if the detection circuit is between the PEN line and the L line of the TN-C section, the leakage on the PE line of the TN-S section will cause the leakage circuit breaker to re...[Details]
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Working principle of frequency converter
We know that the synchronous speed expression of AC motor is:
n = 60 f (1-s) / p (1) where
n is the speed of asynchronous motor;
f is the f...[Details]
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The 2011 Taipei International Building Materials, Lighting and Construction Exhibition will be held on the 18th. What attracts the most attention from manufacturers is the three-in-one solar energy...[Details]
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The heat dissipation problem of LED will be the main factor limiting its future success in the market. At present, many researches in the industry are focused on heat sinks, but
the interlayer betwee...[Details]
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Huawei will release the Mate 30 series flagship on September 19. It is worth mentioning that the entry-level Enjoy series new products will also be launched soon. On September 2, well-known w...[Details]
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1 Overview
The process of Laigang Maerz lime kiln is introduced from Switzerland, and the whole production process is automatically controlled. The feeding system adopts inclined bridge ty...[Details]
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On August 8, TSMC ended two years of inspection and hesitation and officially announced plans to build a factory in Dresden, Germany (with a total investment of 10 billion euros). Similarities and ...[Details]
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On November 17, 2023, the "Notice of the Ministry of Industry and Information Technology, the Ministry of Public Security, the Ministry of Housing and Urban-Rural Development, and the Ministry of Tra...[Details]
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The circuit schematic is as follows: /******************************** Program function: modbus RTU mode setting reads the status of sixteen relays and the settings of the internal holding register...[Details]
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NXP uses GaN in 5G multi-chip modules to enable energy-efficient mobile networks
GaN performance in NXP multi-chip modules for 5G infrastructure improves efficiency by 8 percent...[Details]
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Working principle: The circuit composed of capacitor C5, voltage regulator tube VDW, diode VD2, capacitor C4 and resistor R6 provides a DC working voltage of about 12V for the control part. When the ...[Details]
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1. s3c6410 SD boot principle
s3c6410 supports Nand Flash local booting of Linux, including kernel, root file system, and bootloader are all written in Nand Flash. This allows independent...[Details]
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