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相关概念视频

Temperature Measurement Sites01:14

Temperature Measurement Sites

2.2K
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...
2.2K

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相关实验视频

Updated: Sep 11, 2025

Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping
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高灵敏的光纤温度深度感应阵列是高灵敏的光纤.

Yan Xu, Xiaoyan Huang, Yuren Chen

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    此摘要是机器生成的。

    这项研究引入了一种新的纤维布拉格格 (FBG) 传感器,用于准确的海洋温度和深度测量. 开发的FBG传感器阵列为环境监测提供了高灵敏度和分辨率.

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    相关实验视频

    Last Updated: Sep 11, 2025

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    科学领域:

    • 海洋学 海洋学 海洋学
    • 环境科学 环境科学
    • 传感器技术 传感器技术

    背景情况:

    • 准确测量海水温度和深度对于了解海洋现象至关重要.
    • 光纤传感器提供了诸如低成本,电磁免疫力和易于集成用于海洋环境检测等优势.

    研究的目的:

    • 提出一种基于纤维布拉格格 (FBGs) 的新型,高度敏感的温度深度传感器.
    • 开发使用FBG的多点传感阵列,用于水生环境中同时测量温度和深度.

    主要方法:

    • 采用双FBG结构,通过蚀刻,聚合物包装和机械设计来提高高灵敏度.
    • 实现波长分割多重复合,以创建能够进行多点测量的传感阵列.
    • 进行了湖泊实验,以验证温度深度传感阵列的性能.

    主要成果:

    • 达到超过145.16 pm/°C的高温灵敏度,分辨率优于0.007 °C.
    • 获得的高压灵敏度为48.418nm/MPa,产生约2mm的深度分辨率.
    • 证明了FBG阵列在水生环境中同时进行多点温度和深度测量的能力.

    结论:

    • 拟议的基于FBG的温度深度传感器和阵列为海洋环境监测提供了高性能.
    • 该传感器阵列在浅水层,湖泊,湿地和类似环境中具有广泛的应用潜力.
    • 这项技术为同时,多点水生环境传感提供了强大的解决方案.