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相关概念视频

Temperature Measurement Sites01:14

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A thermometer measures body temperature. The common sites for measuring body temperature are the oral cavity, axillary region, temporal artery, and skin surface, such as the forehead, abdomen, and axilla. True core body temperature is assessed in the rectum, tympanic membrane, pulmonary artery, esophagus, and urinary bladder.
Oral: When assessing oral temperature, the thermometer tip should be placed under the tongue in the posterior sublingual pocket. It offers accurate readings and can be...
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The operational amplifier, often referred to as an op-amp, is a multifaceted building block of a circuit. This electronic component functions like a voltage-controlled voltage source and can also be used to create a voltage- or current-controlled current source. The design of an operational amplifier enables it to execute mathematical operations when external components like resistors and capacitors are linked to its terminals. An op-amp has the capacity to sum signals, amplify a signal,...
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相关实验视频

Updated: Jul 16, 2025

Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping
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基于超材料结构的高线性无线被动温度传感器,具有旋转不敏感的基于距离的警告能力.

Chenying Wang1,2, Luntao Chen2,3, Bian Tian2,3

  • 1School of Instrument Science and Technology, Xi'an Jiaotong University, Xi'an 710049, China.

Nanomaterials (Basel, Switzerland)
|September 9, 2023
PubMed
概括

这项研究介绍了一种无线被动温度传感器,它使用超材料作为移动部件. 它准确地测量温度,灵敏度高205.22 kHz/°C,并提供过热警告.

关键词:
超材料的结构结构.微波散射的测量方法是微波散射.温度传感器温度传感器温度传感器无线被动无线无线

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科学领域:

  • 材料科学 材料科学 材料科学
  • 电气工程 电气工程
  • 物理 物理学 物理

背景情况:

  • 在许多工业应用中,精确监测移动元件的温度至关重要.
  • 现有的传感器在无线,非接触或恶劣环境测量方面可能面临局限性.

研究的目的:

  • 开发和描述一种新的无线被动温度传感器.
  • 为了使移动和旋转部件的非接触温度测量.

主要方法:

  • 设计了一个超材料结构,在基底上设有一个双分环共振器.
  • 温度依赖的共振频率转移被无线检测使用天线.
  • 传感器的性能在25-135°C的温度范围内进行了评估.

主要成果:

  • 传感器显示出高温灵敏度为205.22kHz/°C.
  • 观察到一个强大的线性反应,R2 = 0.995.
  • 传感器对旋转角度显示不敏感,并包含远距离预警功能,用于检测过热.

结论:

  • 拟议的基于超材料的传感器有效用于移动部件的无线,被动温度测量.
  • 它的坚固性和额外的安全特性使其适用于工业应用.
  • 这项技术为在具有挑战性的环境中实时监测温度提供了有前途的解决方案.