Before some types of X-rays, such as a barium enema, you're given a liquid called contrast medium, or a dye. |
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Counting photons, particles that carry electromagnetic energy including X-rays, was critical to this discovery. |
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The jets contain relativistic winds that interact and collide, creating shock waves and emitting high-energy X-rays and gamma rays. |
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Because it uses sound waves instead of radiation, ultrasound is safer than X-rays. |
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These contrast studies, along with X-rays of bones and of the chest, form a very large component of the practice of radiology. |
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He is responsible for teaching students how to properly take X-rays of welds to ensure they will stand up to underwater stress. |
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In the observation room of the Angel Grove Hospital two nurses and one doctor wheeled a young man in to have X-rays taken. |
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The sun emits visible light, heat, ultraviolet rays, radio waves, and X-rays. |
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As X-rays pass through your body, different tissues absorb different amounts. |
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Fortunately for life on Earth, the atmosphere blocks out harmful, high-energy radiation like X-rays, gamma rays and most ultraviolet rays. |
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Most known radiation dangers occur at the high end of the electromagnetic spectrum, and include X-rays and gamma rays. |
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The first magnetar candidates were a family of rare and peculiar galactic sources of gamma and X-rays called soft gamma repeaters. |
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Gamma rays are not particles but a form of electromagnetic radiation, like light, radio waves, and X-rays. |
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In 1923, the American physicist Arthur Compton investigated the scattering of X-rays by matter. |
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Each color in this image represents a different region of the electromagnetic spectrum, from X-rays to infrared light. |
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All the light that we see is made from electromagnetic waves, and so are infra-red and ultraviolet light, microwaves, radio waves and X-rays. |
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The radioactive material generates ionising radiations, which include alpha particles, beta particles, X-rays and gamma rays. |
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Identification of Uday and Qusay's bodies was confirmed by X-rays, dental records and former Baath party officials who knew them. |
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Having the ability to analyze X-rays and scans digitally from a remote location can be extremely valuable. |
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It also produces much more detailed images than X-rays because of its ability to separate different types of soft tissues. |
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Currently, detection of breast cancer relies largely on radiologists reading X-rays known as mammograms. |
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Most often, EMC points to images, e-mail, X-rays and medical records as the types of files meant to find their way onto a Centera. |
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They will be in the hospital for a minimum of 10 to 14 days, getting IV antibiotics, multiple blood tests, X-rays, and probably a spinal tap. |
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Agenda for Change could see radiographers, who perform X-rays, ultrasound scans and radiotherapy on cancer patients, working a 37.5-hour week. |
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The doctor may need to take several tests, including blood tests or X-rays, to diagnose your child. |
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Jason Maxwell was sent to hospital for X-rays after being carried off just minutes after scoring the equaliser against Barrow. |
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After medical staff took X-rays and scanned its brain, the child was allowed to leave and appeared to be making satisfactory progress. |
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For dental X-rays, the dentist or dental hygienist places a small piece of film in your mouth, behind the section of teeth being X-rayed. |
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The body is X-rayed from many angles, and the X-rays are then analyzed by a computer. |
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In an X-ray tube the beam of electrons is focused on a target of either tungsten or molybdenum which gives off X-rays. |
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An angiogram uses X-rays and a contrast dye that is injected into the heart via a thin, flexible tube inserted in the arm or leg. |
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If so, you may be asked to wear a lead apron to shield you from exposure to X-rays. |
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Although you should generally avoid X-rays during pregnancy, a lead apron that covers your pelvis and abdomen can shield your unborn baby. |
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Radiotherapy involves the exposure of parts of the body to radiation, beams of high-energy X-rays, gamma rays or particles. |
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Your doctor may recommend X-rays along with these and other medical tests to make or confirm a diagnosis. |
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The blast, called a solar flare, was equal to one million megatons of TNT and gave off powerful bursts of X-rays. |
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But a neutron star in a close binary would be expected to radiate X-rays, and none are seen. |
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Preventative services, including cleaning, polishing, fluoride and bitewing X-rays would be 100 per cent covered by the plan. |
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Knees were twisted, ankles pulled, vision checked, X-rays taken and blood drawn. |
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However, the relationship between spin-down rate and magneto-dipole losses is not as straightforward for pulsars that also emit X-rays. |
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Routine veterinary examinations can utilize non-invasive procedures such as ultrasounds, X-rays, and blood and urine tests. |
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Then they checked their X-rays again and found I didn't have a broken bone in my foot, just a hairline fracture. |
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One award goes to the Waterhouse Lane imaging group which uses charge-coupled devices to reduce the need for dental X-rays. |
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Some X-rays or CT scans might be taken, and an area on the skin is marked with ink to highlight the area to be treated. |
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The Sun emits not only sunlight but also ultraviolet light, X-rays, and a stream of charged particles, electrons, and ions. |
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The second explanation is that the X-rays are just solar X-rays scattered by the dust present in the coma. |
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Becquerel in Paris wondered whether naturally fluorescent or phosphorescent substances might also emit X-rays. |
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On their way to Earth, the X-rays from a distant quasar dim as they pass through a cloud of the intergalactic gas. |
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The burst of gamma rays and X-rays even disturbed the Earth's ionosphere, causing a sudden disruption in some radio communications. |
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It seemed that the uranium compounds emitted yet another kind of radiation, not X-rays and not related to fluorescence. |
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A full set of case notes was found for 58 patients who had X-rays requested because of chest symptoms such as a cough or breathlessness. |
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Postgame X-rays were negative, and the Pirates said Duke wasn't expected to miss more than one start. |
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However, it is always possible that some people present false, fraudulent X-rays. |
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Dentists may use viscous lidocaine to reduce the gag reflex in children during dental X-rays and impressions. |
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Chris had his committed cluster hunters searched for X-rays, the telltale signs of the incredibly hot gasses in a galaxy cluster. |
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You'll need several pre-surgery tests, often including chest X-rays, blood tests, an electrocardiogram and an echocardiogram. |
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Your child's cardiologist may use tools like X-rays, electrocardiograms, or echocardiograms to monitor the defect and the effects of treatment. |
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The sievert is numerically equivalent to the gray for electrons and for X-rays irradiating the whole body. |
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He studied the hypothesis that X-rays were waves and proved this by using crystals as three dimensional diffraction gratings. |
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Other tests include stool testing and X-rays of the bowel, taken after a barium enema. |
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Ionizing radiation, which includes alpha particles, beta particles, gamma rays and X-rays, is radiation that has enough energy to knock an orbital electron off of an atom. |
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Gamma rays and X-rays lose energy in a variety of ways, but each involves liberating atomic electrons, which then deposit energy through interactions with other electrons. |
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This means that energy that started out in the form of X-rays and gamma rays would now be in the form of microwaves, with wavelengths of around 1 millimeter or so. |
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Surgeon Nigel Heaton examined Best before he was taken for blood tests, X-rays and ultrasounds, and then drained away a build-up of fluid which had become infected. |
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Further, X-rays showed there was no deposit of secondary dentine as would have been expected if the abrasion had been due to natural attrition before death. |
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Moreover, Kodak's bets are paying off in health-imaging, where it's leveraging longstanding ties with doctors eager to replace X-rays with digital images. |
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Presumably a device based on this technology could provide full body X-rays of people at airports, something much more reassuring than a metal detector. |
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The galactic centre can only be observed at certain wavelengths, such as X-rays, because large amounts of dust lie in our line of sight and this blocks out optical light. |
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Since the surgeon can feel with his fingers the position of the bones and the degree of correction, X-rays of the feet are not necessary except in complex cases. |
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Electromagnetic radiation is a term that describes energy waves and includes microwaves, infrared and visible light, as well as ultraviolet light and X-rays. |
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The readers of the X-rays and the retinal photographs had no knowledge of the health of the subjects, that is they were not told about any diseases the subjects had. |
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All of these instruments orbit Earth, beyond the atmosphere that blocks X-rays and most ultraviolet light. |
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But the press secretary said medical tests, including X-rays, an electrocardiograph and blood tests, found a slightly elevated cholesterol count and gallstones. |
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Though machines vary, the average set of bitewing X-rays adds only as much radiation as you'd get from about three extra weeks of natural background radiation. |
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He made sketches from initial X-rays sent from Hosking, whereafter a computer aided design package allowed Vicatos to ascertain the exact dimensions. |
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This action causes the solar atmosphere to sizzle with high-energy X-rays and gamma rays and accelerate proton and electron particles into the solar system. |
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Sometimes, the baby will need tests, such as X-rays or blood tests. |
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The chemical cal elements in the matter emit X-rays of a characteristic wavelength and can therefore be identified through their spectral fingerprint. |
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Heating under controlled conditions or irradiating a mineral using X-rays, neutrons, gamma rays, or other energy sources will effect colour changes in many gems. |
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The jury had heard that Mr Roberts said in a statement to police that he might have looked at Mr Reeves's X-rays back to front before the operation. |
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I consulted with my good friend Jim, an avid cyclist who has several transcontinental bike runs as well a small pile of really neat X-rays to prove it. |
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It was designed to study X-rays and gamma rays from solar flares. |
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This paper describes an analysis of the frequency of dicentric chromosomes and acentric fragments in 1260 subjects occupationally exposed to X-rays and 241 controls. |
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You may need X-rays or an ultrasound to check the kidneys and ureters. |
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Unlike exposure to external radiation sources such as cosmic rays or X-rays, radioactive nuclides are deposited within the body from food and water. |
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Often times we suffer from respiratory related diseases like tuberculosis and visit health centres or hospitals for X-rays and ultra sound scanning. |
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That blade had gone through, and the X-rays revealed that the tip of the blade was on the edge of my aorta, the main artery. |
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On Earth, creating high-energy alpha particles or X-rays can take room-sized pieces of equipment. |
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These systems emit X-rays and are sometimes called Low Mass X-Ray Binaries. |
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However, some screening programs used photofluorograms, photograms of fluoroscope images, rather than conventional X-rays. |
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Routine biochemical and hematological investigations, Mantoux test and chest X-rays were done for all patients. |
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In foot-ankle X-rays, periarticular osteoporosis, hallux valgus, and joint space narrowing had progressed to the ankylosis of tarsal bones. |
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Stichauer was taken to hospi-tafor X-rays on his back after the accident while riding for Lublin at Miskolc. |
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After six months' intensive training, they will be taking blood samples and interpreting electro cardiograms and X-rays. |
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He had MRI tests, saw the eye doctors, ultra sound tests, X-rays, electro cardiograph tests and lumbar puncture. |
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He knew the glow couldn't have been caused by cathode rays so he named the source X-rays. |
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Cathode ray tubes, or CRTs, are made of heavy leaded glass, which is used to block harmful X-rays produced by the tube's cathode ray guns. |
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Soft X-rays can penetrate the upper layers of the body, but harder X-rays are needed to show the bones and joints. |
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For decades, scientists have captured still images of molecules by shining X-rays on them and observing the pattern of diffracted light. |
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The spinal X-rays demonstrated complete absence of all the lumbar vertebrae and no twelfth thoracic vertebra. |
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After that, a female doctor was ordered to search the woman, she was sedated and then subjected to a body cavity search and X-rays. |
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Soft X-rays include wavelengths that are shorter than visible light. |
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If some amount of energy is deposited in a tenuous medium in space, soft X-rays are expected to be radiated in many cases due to fundamental physics. |
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The study is the first statistical survey of the environments around supermassive black holes and is the longest-running AGN-monitoring study yet performed in X-rays. |
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The records include lab tests, scans, cardiograms, and X-rays. |
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I was sent to a specialist that did a rhinoscopy, blood work, biopsies, and chest X-rays, and they didn't find anything, but diagnosed Chronic Rhinitis. |
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However, the second type of scanner currently deployed at airports uses backscatter X-rays that expose the individual being screened to very low levels of ionizing radiation. |
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Microforms, X-rays, and other photographic films can be scratched. |
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Mechanical systems that detect and sort out CCA wood use X-rays or lasers to detect the contaminant and then rely on mechanical sorting to jettison the offending pieces. |
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Since Earth's atmosphere absorbs X-rays and prevents them from reaching the ground, X-ray telescopes must fly high above the planet in order to perform their job. |
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Cassini scientists have already seen an airglow from Titan's nitrogen molecules caused by X-rays and ultraviolet radiation from the Sun when Titan was illuminated by the Sun. |
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The felt-tip eluded X-rays and caused years of ill-health for the 76-year-old, who claimed she had swallowed it while she was checking her tonsils. |
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He was stretchered from the pitch at the Memorial Stadium, and a series of X-rays last night have revealed the 28-year-old fractured the tibia and fibula in his right leg. |
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Quantum Dental Technologies introduces The Canary System for evidence-based detection and monitoring of dental caries without the need for dental X-rays. |
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They sent their samples to be imaged with the high-intensity X-rays produced at CLS in Saskatchewan, but the diffraction pattern produced didn't match to the protein. |
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The new modules are available with a detector diameter of 3mm, 5mm, 10mm or 16mm and can be used for direct detection and spectrometry of beta particles and low-energy X-rays. |
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One intriguing possibility is that the X-rays are produced by the decay of sterile neutrinos, a type of particle that has been proposed as a candidate for dark matter. |
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It is now possible to buy an XRF analyzer, which safely shoots X-rays into the metal being tested and, from the returning signal, determines the alloying elements present. |
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The images, or tomograms, are more detailed than standard X-rays. |
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