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Sep 25,2025

The temperature of the sensor core is related to the magnitudes of the positive and negative thermal energies loaded onto the core

The temperature of the sensor core is related to the magnitudes of the positive and negative thermal energies loaded onto the core.

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Sep 25,2025

Major breakthrough! The Mozi satellite achieves quantum safe time transfer for the first time

Recently, the team led by Pan Jianwei from the University of Science and Technology of China used the "Mozi" quantum science experimental satellite to achieve the first principle experimental verification of quantum safe time transfer internationally, laying the foundation for building a safe and high-precision satellite navigation system in the future. This achievement was published online on May 11, 2020 in the internationally renowned academic journal Nature Physics.

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Aug 29,2025

On the first anniversary of its issuance, China's 5G technology has delivered a brilliant answer sheet

4G changes life, 5G changes society ", the emerging 5G technology in the past two years has opened up a new era of the Internet of Things. And this year is a crucial year for the large-scale commercialization of 5G in China, with June 6th coinciding with the one-year anniversary of 5G licensing. What kind of report card has China's 5G delivered in one year? What surprises has 5G brought us, from networks to technology, from scenarios to applications?

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The principle of gas detectors

Gas detectors detect gas concentrations through various sensor technologies. Common principles include catalytic combustion, electrochemistry, semiconductors, and infrared, etc.

2025/09

The working principle of the thermopile detector

To understand the thermopile, it is necessary to review the basic theory of the thermocouple.

2025/09

The development trend of miniaturization, intelligence and multi-functionality of gas sensors

Among the gas sensors currently in use, there are mainly four categories: semiconductor, electrochemical, catalytic combustion, and infrared. Their working principles are different, and their functional characteristics each have their own advantages.

2025/09

Characteristics and classification of gas sensors

The gas sensor is the core of the gas detection system and is usually installed inside the detector head. Essentially, a gas sensor is a converter that transforms the volume fraction of a certain gas into the corresponding electrical signal. The probe adjusts the gas sample through a gas sensor, typically including filtering out impurities and interfering gases, drying or cooling treatment, sample suction, and even chemical treatment of the sample to enable the chemical sensor to measure more quickly.

2025/09

The principle and application of solid-state hybrid potential gas sensors

Placing the working electrode of the oxygen sensor in a reducing atmosphere to produce this non-Nernstian behavior has initiated the measurement research of different gases based on the principle of mixed potential. More than 20 years ago, some people began to study hybrid potential devices for measuring the concentrations of reducing gases such as CO, H2 and CH compounds.

2025/09

Application scenarios of gas detectors

Gas sensors span a wide range of fundamental and applied disciplines, including functional materials, electronic ceramics, optoelectronic components, MEMS technology, nanotechnology, and organic polymers. High-performance gas sensors can significantly enhance the levels of information collection, processing and deep processing, improve the accuracy of real-time accident prediction, continuously eliminate accident hazards, and greatly reduce the occurrence of accidents, especially major ones. It can effectively realize the electronicization of safety supervision and safety production supervision and management, transform passive disaster relief into active disaster prevention, and promote the scientific management of safety production.

2025/09

5G conspiracy theory? The Application of 5G in the Epidemic as Seen from the UK Base Station Arson Incident

Recently, at a critical moment in the global fight against the epidemic, a news story in the UK has caused a huge uproar: mobile signal towers in many parts of the UK have been set on fire, and as of April 6th, more than 20 telecommunications base stations have been burned down in Liverpool and other places.

2025/08

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