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In the laboratory, there are different methods of sampling and sample preparation. Now we will give a unified introduction to the sampling and sample preparation methods of steel when testing steel wi...[Details]

On April 15, the BAIC New Energy Alpha S HI version of the Arcfox equipped with Huawei's autonomous driving technology was publicly tested in Shanghai. This was also the first test ride demonstration...[Details]

      On the morning of June 18th, Apple launched a "Back to School" promotion in the United States and Canada. When you purchase a Mac computer or iPad product, you can get a pair of AirPods (second...[Details]

From August 18 to 21, the 2022 World Robot Conference was grandly held at Beijing Yichuang International Exhibition. With the theme of "Co-creation, Sharing, Consultation and Win-win", the conferen...[Details]

There are many types of digital multimeters and their applications are also very wide. However, after all, multimeter is a kind of electronic product, so there may be some minor problems during use. ...[Details]

　　Electromagnetic flaw detectors can be used to detect casing deformation, holes, fractures, cracks and other faults and accurately locate the faults, providing an effective method for the survey of p...[Details]

Tesla will develop new batteries independently and is expected to announce specific information at a battery investor conference in April. It is reported that the new battery may contain zero cobalt....[Details]

    In the detailed explanation 1, the CM3 kernel knowledge needed for transplantation was mainly discussed. This article will talk about the principle and code composition of ucosii. The most classic...[Details]

Over the past 40 years of reform and opening up, China's home appliance industry has evolved from early black-and-white TVs to color TVs, and now to the nationwide popularity of "smart +". Driven by ...[Details]

When SM2..0 is 010, the SLEEP instruction will put the MCU into power-down mode. In this mode, the external crystal stops oscillating, while the external interrupt, two-wire interface address match a...[Details]

At the World Power Battery Conference held on July 21, 2022 , Zeng Qinghong, chairman of GAC Group, said in his speech that the current cost of power batteries already accounts for 40% to 50%, or eve...[Details]

1. SWI software interrupt principle. In privileged mode, processor mode switching can be switched through software control, that is, modifying the mode bit of CPSR. However, in user mode, there is ...[Details]

Use the multimeter R×10KΩ to test the piezoelectric ceramics, and the needle indicates "∞", that is, the pointer does not swing. However, this cannot be used to determine the quality of the piezoelec...[Details]

In the early morning of October 16, Intel said that the company has agreed to acquire a software business of Toronto software company Pivot Technology Solutions (hereinafter referred to as "Pivot") f...[Details]

Choose low power consumption models to effectively extend service life When buying an LCD TV , you should pay attention to comparison and choose an LCD TV with relatively low power c...[Details]