PPT-Radiation ---2 ا. د. امل رؤوف

Filtration In dentistry the usefulness of x ray depend on their ability to penetrate dental hard tissues During production of x ray their are two types of wave lengths long wave length and short wave length . internal emitter iodine radium strontium tritium cesium absorbed dose rate kg MeV MeV brPage 4br Health effects depend on how radiation interacts w th bio ogical material at the microscopic level Radiation delivers energy in small pa ckets not unifo Directed Readings . In the Classroom. May/June 2013 issue . of . Radiologic . Technology. Instructions:. This presentation provides a framework for educators and students to use Directed Reading content published in . Alexandra Atkins. Radiation Therapist. Palmerston North Radiation Therapy Department. Introduction. Massey University Veterinary Teaching Hospital (MUVTH). Palmerston North Regional Cancer Treatment Service. . Emission and Absorption . Take away concepts. Conservation of energy. . Black body radiation principle. Emission wavelength and temperature (Wien’s Law). . Radiation vs. distance relation . Black body energy flux (Stefan-Boltzmann Law) . Learning Objectives. I must be able to recall when ionising radiation is emitted. . I should be able to describe the three types of ionising radiation.. I might be able to explain the dangers of ionising radiation.. ?. . Visit: . https://checkin.ics.uci.edu. /. . Log in and select . Chem. 1A. . When prompted, type the word of the day: . is will be given in class. . Ensure when asked if you will share your location you select “allow”. . Heat Transfer. E. nergy always moves when it is near something that has less energy(Heat is energy). EXAMPLE: Hot . objects in a cooler room will cool to room . temperature, and cold . objects in a warmer room will heat up to room temperature.. . Suzette Turner . Nurse Practitioner. Sunnybrook Health Sciences Centre. Amin . Zagzoog. C. ardiology Resident. University of Toronto. FACULTY/PRESENTER DISCLOSURE. Faculty. : Amin . Zagzoog. From Astronomy To Biomedicine. Light and Matter .  Spectroscopy. . Generalized interactions  Radiation. . Atomic physics. . Astrophysics. . Plasma physics. . Molecular physics. . Biophysics. Radiation Therapy (R/T) For Cancer. About 99% of patients treated with Radiation Therapy (R/T) have malignancies. Approximately 60% of patients with cancer require Radiation Therapy. About 60% get R/T with the aim to cure. Lab 9. Radiation Measurement. We use different terms depending on whether:. The radiation is coming from a radioactive source. The radiation dose absorbed by a person . The risk that a person will suffer health effects from exposure to radiation. Undulator. Radiation to Free Electron Lasing. 1. David Attwood. University of California, . Berkeley. http:/. /ast.. coe.berkeley.edu. /sxr2009. http:/. /ast.. coe.berkeley.edu. /srms. Synchrotron radiation. What are they? . exposure … contamination. Are they the same?. Radioactivity. Spontaneous emission of radiation from the nucleus of an unstable isotope. Disintegration Decay. Demonstrate Decontamination. The cell life cycle The cell cycle G0 = Cell is resting G1 = RNA and proteins are made S = DNA is made G2 = Apparatus for mitosis is built M = Mitosis (the cell divides into 2 cells) G0 phase (restin