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Related Concept Videos

Temperature Measurement Sites01:14

Temperature Measurement Sites

3.4K
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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Equipments Used to Measure Body Temperature01:13

Equipments Used to Measure Body Temperature

1.8K
Body temperature can be assessed using various devices and measured in Celsius or Fahrenheit.
Glass-bulb Thermometer:
Glass-bulb thermometers are hollow glass tubes with a bulb tip containing liquid such as ethanol or mercury. Historically, glass bulb mercury thermometers were the standard device to measure body temperature. Today, mercury thermometers are prohibited in many countries due to the hazardous effects of mercury and the risk of exposure if the glass bulb breaks. In general,...
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Protein Networks02:26

Protein Networks

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An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
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Protein Networks02:26

Protein Networks

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2.9K
Network Covalent Solids02:18

Network Covalent Solids

16.2K
Network covalent solids contain a three-dimensional network of covalently bonded atoms as found in the crystal structures of nonmetals like diamond, graphite, silicon, and some covalent compounds, such as silicon dioxide (sand) and silicon carbide (carborundum, the abrasive on sandpaper). Many minerals have networks of covalent bonds.
To break or to melt a covalent network solid, covalent bonds must be broken. Because covalent bonds are relatively strong, covalent network solids are typically...
16.2K
Body Temperature01:25

Body Temperature

4.7K
The body's temperature, measured in degrees, is determined by the balance between heat production and dissipation to the surrounding environment. For instance, if exercising vigorously, the body will produce more heat, causing sweat and dissipating that heat. Despite extreme environmental conditions and physical exertion, the human temperature-control system maintains a constant core body temperature (the temperature of deep tissues, which are the tissues located beneath the skin and other...
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Related Experiment Video

Updated: Feb 4, 2026

Chromatin Isolation by RNA Purification ChIRP
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Granary Temperature Measurement Network Based on Chirped FBG.

Zhi-chao Liu, Jin-hua Yang, Liu Zhang

    Guang Pu Xue Yu Guang Pu Fen Xi = Guang Pu
    |September 25, 2018
    PubMed
    Summary

    This study introduces a chirped Fiber Bragg Grating (FBG) system for enhanced temperature measurement, significantly increasing multi-point sensing capabilities and data stability compared to traditional FBG systems.

    Area of Science:

    • Optical Engineering
    • Materials Science
    • Sensor Technology

    Context:

    • Conventional Fiber Bragg Grating (FBG) systems face limitations in probe capacity and signal intensity.
    • Multiplexing capability is poor in traditional FBG temperature measurement systems.
    • Need for large-scale, multi-point temperature data acquisition.

    Purpose:

    • To design a temperature measurement system utilizing chirped Fiber Bragg Grating (FBG).
    • To overcome the limitations of conventional FBG systems regarding probe count and signal bandwidth.
    • To achieve large-scale, multi-point temperature measurements with improved stability.

    Summary:

    • A chirped FBG temperature measurement system was developed, enhancing back wave bandwidth through chirp modulation.

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  • This technique increases signal processing power and significantly boosts the number of FBG probes per fiber.
  • Experimental validation demonstrated comparable accuracy to traditional FBG probes but with more stable, linear wavelength shift data.

    • Impact:

    • Enables a greater number of temperature sensing points within a single optical fiber.
    • Achieves design requirements for increased probe points without compromising accuracy or adding fibers.
    • Offers a more robust and scalable solution for distributed temperature sensing applications.