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【Keywords】 Laparoscopic application in clinical general surgery
The origin and development of laparoscopic surgery
The early development of laparoscopy focused on the gastrointestinal tract and ob...[Details]
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In the detection and control of oxygen content in industrial production projects, to correctly analyze the oxygen content, it is necessary not only to understand the measurement principles, technical...[Details]
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From charging hubs to PCs, home appliances, and Raspberry Pis, the Universal Serial Bus (USB) lives up to its name. But with more than 10 different versions, a plethora of connectors, and a varie...[Details]
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Identify the pins of the junction field effect transistor DS2Y-S-DC5V. Use the R×lk block of the multimeter and use two test leads to measure the forward and reverse resistance between each two p...[Details]
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In today's HI-FI audiophile coils, the "quality" and "quantity" of the super bass system has become the object of "painstaking efforts" by audiophiles. The so-called super bass refers to the range fr...[Details]
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Zhang Xingye, Honorary Chairman of the China Society of Automotive Engineers, delivered a speech entitled "Technological Innovation in Engines and Powertrains" at the "China Automotive Industry Ind...[Details]
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Introduction: What is PWM? I won't explain it in detail. Just search on the Internet. PWM regulation is widely used in control. Using PWM control can make the circuit simple and reliable, and the chi...[Details]
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In daily work, rest and entertainment, there are only a few things we use for play: mobile phones, computers, music players and headphones. They seem to be only four categories, but if we divide them...[Details]
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News on August 25: Today, the Ministry of Industry and Information Technology disclosed the "Letter on Reply to Proposal No. 4815 (No. 523 in Industry, Communications, Post and Telecommunications) of...[Details]
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Using 51 single chip microcomputer as platform, use TFT to draw a solid rectangle!
The key to the following procedures lies in your own application, and if you have extra experience, you can study it...[Details]
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1. What are the benefits of anti-reflection coating?
1. Specular Reflection
When light passes through the front and back surfaces of the lens, it will not only be refracted, but also refl...[Details]
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When two instruments need to work together, they can be synchronized by a trigger signal. The ZDS2022 oscilloscope supports trigger output and external trigger input, as shown in Figure 1.4 and Fig...[Details]
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Abstract:
A ZigBee wireless
sensor
network system
supporting body temperature and pulse monitoring is proposed
. Three types of node devices based on JN5139
microcontroller
, na...[Details]
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Recently, the 2023 World Expo was held in Beijing, attracting the attention of many foreign media. According to the Russian Satellite News Agency, more than 100 Chinese and foreign robot companies ...[Details]
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China’s two largest lithium producers are still losing money nine months into the year as a slump in the battery metals market continues to squeeze the industry. Tianqi Lithium Corp...[Details]