Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

The mysterious wall around exposure

R F Moyer

    Radiologic Technology
    |May 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

    The roentgen unit measures x- and gamma-ray output but practical devices differ from the definition. Understanding device composition clarifies exposure measurement complexities.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    Trajectories of perceived exertion and pain over a 12-week neuromuscular exercise program in patients with knee osteoarthritis.

    Osteoarthritis and cartilage·2020
    Same author

    Biomechanical effects of valgus knee bracing: a systematic review and meta-analysis.

    Osteoarthritis and cartilage·2014
    Same author

    Osteoarthritis year in review 2014: mechanics--basic and clinical studies in osteoarthritis.

    Osteoarthritis and cartilage·2014
    Same author

    Alignment, body mass and their interaction on dynamic knee joint load in patients with knee osteoarthritis.

    Osteoarthritis and cartilage·2010
    Same author

    Lead as surface bolus for high-energy photon and electron therapy.

    Medical physics·1986
    Same author

    A surface bolus material for high-energy photon and electron therapy.

    Radiology·1983
    Same journal

    An Intentional and Ethical Integration of AI in Medical Imaging.

    Radiologic technology·2026
    Same journal

    Benefits of Integrating AI Into Computer-Aided Detection Systems.

    Radiologic technology·2026
    Same journal

    Using Artificial Intelligence to Enhance Analysis of Chest Computed Tomography.

    Radiologic technology·2026
    Same journal

    A Practice-Aligned Approach to Integrating AI in Radiation Sciences Education.

    Radiologic technology·2026
    Same journal

    Site Visitors: The Unsung Heroes of the Accreditation Process.

    Radiologic technology·2026
    Same journal

    Extended Reality Innovations in Medical Imaging Education.

    Radiologic technology·2026
    See all related articles

    Area of Science:

    • Medical Physics
    • Radiation Dosimetry

    Background:

    • The roentgen unit has been standard for x- and gamma-ray source output measurement for decades.
    • Practical exposure measurement devices incorporate specific wall properties.

    Purpose of the Study:

    • To clarify the discrepancy between the definition of "exposure" and its practical measurement.
    • To explain the role of device wall composition in exposure determination.

    Main Methods:

    • Analysis of the definition of "exposure" in radiation dosimetry.
    • Examination of the design principles of practical exposure-measuring devices.

    Main Results:

    • Practical exposure measurements deviate from the theoretical definition.
    • The composition and thickness of the measuring device's wall are critical for accurate readings.

    Related Experiment Videos

    Conclusions:

    • The apparent mystery surrounding exposure measurement is resolved by recognizing the difference between definition and practice.
    • Accurate radiation output assessment requires understanding the interplay between the radiation field and the measuring instrument's physical characteristics.