I saw a video in a WeChat group, saying that a cleaning lady from a certain company brought the battery of an electric motorcycle upstairs to charge, which caused an explosion and fire. No casualties ...
0 Introduction
Generally speaking, after the lesion is detected by CT or ultrasound, sampling and pathological analysis are still needed to draw a conclusion. The biopsy gun is an important tool for...[Details]
Abstract: When it comes to standard deviation, science majors get headaches, liberal arts majors get dizzy, and the dry formula makes people avoid it. In this issue, we will break away from the previ...[Details]
introduction
Aviation
power supplies
generally invert DC or AC (380V/50Hz) electricity into AC 115V/400Hz power for use in radar, aircraft and other equipment. There are man...[Details]
1. Introduction
A variable frequency fan is a fan that uses variable frequency technology to adjust its speed; it changes the fan speed by changing the operating frequency of the motor to achi...[Details]
Jiwei.com March 5th, today, Redmi’s official Weibo published a long article explaining in detail how Redmi K40 creates a flagship screen. First of all, the K40 series uses the new generation E4 AMO...[Details]
A "chip shortage" has made the world rethink the chip manufacturing industry. In particular, the United States has shown a radicalism in this field that is different from the past. It has successivel...[Details]
September 3, 2019 marks the first anniversary of the restart of UHV.
A year ago, on September 7, 2018, Nengjian was the first in the market to disclose that the National Energy Administration ...[Details]
In the previous chapters, we introduced a lot of basic information about digital multimeters . This chapter will bring you the dry goods part of digital multimeters - the components of digital mu...[Details]
The 2024 International Consumer Electronics Show (CES), known as the "vane" of global technology trends, will be held at the Las Vegas Convention Center in the United States from January 9-12. CES is...[Details]
1. Before using the multimeter, you should perform "mechanical zero adjustment"; 2. During the measurement process, do not touch the metal part of the test lead with your hands to ensure both accu...[Details]
Through the atomization test of automobile interior decoration materials, the control of volatile substances in these materials can be achieved, thereby effectively reducing the pollution in the car e...[Details]
Choosing reliable capacitors for today's automotive electronics applications requires understanding the performance characteristics of each capacitor and the operating conditions in different appli...[Details]
With the development of various industrial protocols, each factory will face the challenge of implementing multiple different protocols and equipment interconnection, including traditional machiner...[Details]
Considering the comprehensive current injection efficiency, radiative luminescence quantum efficiency, chip external light extraction efficiency, etc., only about 30-40% of the input electrical ene...[Details]
Li Auto and Mercedes-Benz to use Snapdragon Extreme Automotive Platform in their future production models
New Snapdragon Cockpit Extreme and Snapdragon Ride Extreme platforms debu...[Details]
Industrial Control Electronics
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