Introduction ²Ant Column Ant Financial Launches “Wealth Account” and Opens AI Capabilities for the First Time Ant Financial Further Opens Huabei Installment Capabilities, Covering Approximately 4 Million Merchants Sesame Credit 700 Points Japan 5-Year Visa Service Suspended ²Policy Updates Five Departments Release “Financial Industry Standardization System Construction Development Plan (2016-2020)” Provincial Price Bureau Issues Notice … Read more
Intel officially launched the Core Ultra 200V series yesterday, which is the Lunar Lake processor aimed at thin and light laptops, and it will be shipped by the end of this month. In the increasingly fierce competition in the PC processor market, does Lunar Lake have any advantages?The smoke of the PC processor industry has … Read more
Source: This article is from Wang Fuchang’s blog on ScienceNet, Author: Wang Fuchang. Fitting measurement data has wide applications in scientific research and engineering. Below are several commonly used fitting methods and how to implement them in the MATLAB environment. In MATLAB, there are commands for fitting such as polyfit, lsqcurvefit, nlinfit, and the curve … Read more
1. Choose the appropriate megger: If the rated operating voltage of the motor being tested is 380 volts, then we can select a 500V megger. 2. Place the megger flat, perform a short circuit test by shorting the two probes, and if the pointer approaches 0 while cranking the handle, it indicates good condition. 3. … Read more
Section 1: Common Tools for Electricians 1. Common Tools for Electricians 1. Pliers The pliers category includes wire cutters, rubber-handled pliers, needle-nose pliers, tensioning pliers, and wire strippers (as shown in Figure 6-1). Wire cutters are used to cut cold-rolled steel wire. Tensioning pliers are used to tighten lines during the installation of overhead lines … Read more
Second Topic:Difference Between Average Response Principle and True RMS Principle FLUKE’s digital multimeters and clamp meters differ between average response and true RMS. For example, the well-known F15B+/F17B+ series are average response multimeters, while the F115C/F117C series are true RMS multimeters. So what are the differences between them? How should users make their choice? What … Read more
Please follow the WeChat subscription account “Finger Motorcycle” to read the latest information on motorcycle maintenance and repair. Search for ID mscmoto directly in WeChat to follow! The repair process for this motorcycle began ten days ago. A customer came to the shop asking for help with an EFI motorcycle that had no spark from … Read more
1. Introduction In the production of electronic cones, it is necessary to detect a 20kHz electromagnetic navigation signal to unify the reset state of the electronic cone indicator. To reduce detection costs, the LM567[2] audio signal detection chip is used to detect the electromagnetic navigation signal. This DIP8 packaged LM567 is convenient for testing on … Read more
Pioneering Example | Chen Fangyun: Devoted to National Prosperity, Striving Not for Personal Gain. A star in the sky bears his name, And the whole nation mourns for him alone. He lives in a dilapidated hut, Yet he has created 200 billion wealth for China, Those earth-shattering events that affect every Chinese person’s fate, Hide … Read more
1. The Three Elements of Musical Sound 1. Pitch refers to the highness or lowness of a sound, determined by frequency. In physics, the speed of an object’s vibration is described by the frequency, which is the number of vibrations per second. A faster vibration results in a higher frequency and a higher pitch; a … Read more