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When photography was first invented, it was a skill with a "high threshold". The complicated shooting operation and high equipment cost meant that photography art was destined to be a benefit enjoyed...[Details]
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0 Introduction
With the rapid development of the economy, the demand for electricity is increasing, and the number of electricity meters is also increasing rapidly. At the same time, the q...[Details]
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1 Introduction The National Higher Education Automation Professional Teaching Guidance Committee was entrusted by the Ministry of Education to hold the first "Freescale" Cup College Student Smart Ca...[Details]
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As one of the early manufacturers to launch foldable phones, Samsung has spared no effort to further promote its foldable models. Recently, Samsung launched a 100-day trial policy for its foldable ph...[Details]
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According to foreign media reports, researchers have successfully achieved fast charging of lithium-ion batteries and extended the life of lithium-ion batteries by using titanium dioxide nanosheets a...[Details]
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introduction
Thermocouples
are widely used for a variety of
temperature sensing
.
Recent advances in
thermocouple
design, as well as the emergence of new standards and al...[Details]
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Preface Frequency converters are of great significance in energy conservation and power environmental protection. Motor drives are large consumers of electricity, consuming about 65% of the country'...[Details]
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In ARM (Thumb) assembly language programs, code is organized in program segments. A segment is a relatively independent sequence of instructions or data with a specific name. Segments can be divided i...[Details]
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Brushless double-fed variable speed constant frequency system
There are two ways to make the double-fed motor brushless:
(1) Dual-motor cascade type
The cascade doubl...[Details]
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On September 28, Hubei Xingji Times Technology Co., Ltd. (hereinafter referred to as "Xingji Times"), founded by Li Shufu, Chairman of Geely Holding Group, signed a strategic cooperation agreemen...[Details]
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Non-isolated
buck-
type
power supply
is a commonly used power supply structure, accounting for more than 90% of fluorescent lamp power supplies. Many people think that non-isola...[Details]
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The engine ignition test is an important part of the engine factory inspection. In order to ensure the quality of the engine, a rapid detection cold test technology is proposed to meet the needs of...[Details]
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01. Overview of overall new energy vehicle data in September The GF report summarizes it this way: In September, new energy passenger cars and buses achieved a relatively high year-on-year positive g...[Details]
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Cell phones and other wireless communication devices are difficult to test because of the dynamic demands they place on the battery. To conserve power, these devices need to quickly switch to a hig...[Details]
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Yesterday, Sony announced overseas that it will launch three color custom faceplates in June this year: "Nova Pink", "Starlight Blue" and "Galactic Purple", priced at US$55 (about RMB 370.7). ...[Details]
Analog electronics
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