| 单词 | ionizing radiation |
| 例句 | Such materials, present as contaminants in water that also contains chemicals, may actually change the nature of the chemicals by the impact of ionizing radiation, rearranging their atoms in unpredictable ways to create new chemicals. Silent Spring 1962-09-27T00:00:00Z Under the impact of ionizing radiation some rearrangement of atoms could easily occur, changing the nature of the chemicals in a way that is not only unpredictable but beyond control. Silent Spring 1962-09-27T00:00:00Z Elsewhere, bacteria were identified that readily survived desiccation, ionizing radiation, and freezing. Sputnik’s spawn: How the Cold War created astrobiology 2014-03-09T17:30:00Z The male mosquitos are then sterilized by being exposed to ionizing radiation at the International Atomic Energy Agency headquarters in Vienna. Cyprus battles disease-carrying mosquitoes by breeding them with irradiated, sterilized ones 2023-06-28T04:00:00Z But human skin partly blocks ionizing radiation, Richmond says. Is Fukushima Wastewater Release Safe? What the Science Says 2023-06-23T04:00:00Z “If one human absorbs a bit of ionizing radiation, then this bit of radiation is no longer available to affect another human,” he wrote in an email. NOT REAL NEWS: A look at what didn’t happen this week 2023-03-17T04:00:00Z Away from the Earth's electromagnetic field, ionizing radiation is everywhere, which can not only cause cancer, but also bleeding gums, one's hair falling out, brain damage and reduced immunity. Why humans may not be able to live on Mars without horrific health consequences 2023-02-07T05:00:00Z But doing so can expose them to harmful ionizing radiation at very close range for long enough to do real damage to their bodies — a fundamental hazard of working around radioactive materials. Why Is Russia Suddenly Talking About ‘Dirty Bombs’? 2022-10-25T04:00:00Z In fact, γ rays are one type of ionizing radiation, as are x rays and UV, because they produce ionization in materials that absorb them. College Physics for AP Courses 2015-08-12T00:00:00Z It is impossible to avoid some exposure to ionizing radiation. Chemistry 2019-02-14T00:00:00Z In December, the Netherlands’ Authority for Nuclear Safety and Radiation issued a warning on 10 anti-5G products that were found to emit harmful ionizing radiation and had the potential to cause long-term health damage. How fears of electromagnetic radiation spawned a snake-oil industry 2022-05-17T04:00:00Z There is no “safe” level when it comes to ionizing radiation. Military Action in Chernobyl Could be Dangerous for People and the Environment 2022-03-08T05:00:00Z “The fear of ionizing radiation is a deep-seated and frequently irrational carry-over from the Cold War,” the report said. Why Is Russia Suddenly Talking About ‘Dirty Bombs’? 2022-10-25T04:00:00Z When cell reproduction is disrupted, the result can be cancer, one of the known effects of exposure to ionizing radiation. College Physics for AP Courses 2015-08-12T00:00:00Z Radiation dosimeters also measure ionizing radiation and are often used to determine personal radiation exposure. Chemistry 2019-02-14T00:00:00Z Existing “radiological maps do not make it possible to demonstrate control of limiting exposure to ionizing radiation,” ASN says, according to a translation of its letter. French nuclear regulator halts assembly of huge fusion reactor 2022-02-24T05:00:00Z These included acoustic signals, chemical and biological agents, ionizing radiation, natural and environmental factors, and radio frequency and other electromagnetic energy. External energy source may explain ‘Havana syndrome,’ panel finds, renewing questions about possible foreign attack 2022-02-02T05:00:00Z The panel concluded that ionizing radiation, chemical and biological agents, infrasound, audible sound, ultrasound propagated over large distances, and bulk heating from electromagnetic energy were all unlikely causes for the Havana Syndrome cases. Some Havana Syndrome cases resemble directed-energy attacks, intelligence study says 2022-02-02T05:00:00Z Since cancer cells are rapidly reproducing, they are exceptionally sensitive to the disruption produced by ionizing radiation. College Physics for AP Courses 2015-08-12T00:00:00Z It ruled out the possibility that chemical and biological agents, ionizing radiation or audible sounds could have caused the injuries. Panel says some ‘Havana syndrome’ cases may stem from radio energy 2022-02-02T05:00:00Z But Leigh Madden, the chief executive of Epirus, says that his company’s approach can’t harm humans because, unlike other systems, it doesn’t emit any harmful ionizing radiation. Opinion | The latest revolutionary tools in warfare? Microwaves. 2021-08-05T04:00:00Z “Unlike with ionizing radiation from x-rays and CT scans, ultrasound has no side effects,” says radiologist Yale Tung Chen of the University Hospital of La Paz in Madrid. Handheld Ultrasound Devices Are Speeding Diagnosis of COVID-19 2020-06-11T04:00:00Z These are on the opposite end of the electromagnetic spectrum to ionizing radiation sources like X-rays, gamma rays, and ultraviolet rays. Why the 5G coronavirus conspiracy theories don’t make sense 2020-04-09T04:00:00Z Nuclear radiation, like x rays, is ionizing radiation, because energy sufficient to ionize matter is emitted in each decay. College Physics for AP Courses 2015-08-12T00:00:00Z Those that are sufficiently energetic to eject electrons from an atom and cleave chemical bonds are known as ionizing radiation. Don't Fall Prey to Scaremongering about 5G 2019-10-28T04:00:00Z “We have a good, thick atmosphere that is protecting us from ionizing radiation because we have a good, strong magnetic field.” Ancient Earth's Weakened Magnetic Field May Have Driven Mass Extinction 2019-02-15T05:00:00Z Pigmentation would not necessarily shield us from the effects of ionizing radiation, though. Captain America on Mars 2018-08-03T04:00:00Z Besides the expense, the technique exposes patients to a considerable amount of ionizing radiation. Alzheimer’s disease is getting easier to spot 2018-07-24T04:00:00Z A particle of ionizing radiation creates 4000 ion pairs in the gas inside a Geiger tube as it passes through. College Physics for AP Courses 2015-08-12T00:00:00Z The study calls for future evaluations between specific exposures and cancers, which hopefully will lead to better regulations to protect flight attendants against ionizing radiation and other risks. Study: Flying often could be bad for your health 2018-07-17T04:00:00Z Unlike ionizing radiation such as X-rays or gamma rays, which are known to be strong enough to damage DNA, radiofrequency waves emitted by cellphones are much weaker, and health research has produced ambiguous findings. Wireless industry using First Amendment as a cudgel in its battle against safety warnings 2018-07-15T04:00:00Z It can withstand exposure to more than 5,000 gray of ionizing radiation. Captain America on Mars 2018-08-03T04:00:00Z Flight attendants are exposed to several factors known to increase cancer risk, including disrupted sleep patterns and exposure to the increased levels of cosmic ionizing radiation at high altitudes. Airline Crew Have Higher Cancer Rates 2018-07-05T04:00:00Z Suppose a particle of ionizing radiation deposits 1.0 MeV in the gas of a Geiger tube, all of which goes to creating ion pairs. College Physics for AP Courses 2015-08-12T00:00:00Z The ionizing radiation given off by sources such as x-ray machines and the sun boosts cancer risk by shredding molecules in the body. New Studies Link Cell Phone Radiation with Cancer 2018-03-29T04:00:00Z The studies also found some DNA damage in the exposed animals, a bit of a surprise because scientists had believed that radio-frequency radiation — unlike the ionizing radiation in X-rays — could not harm DNA. Cellphones Are Still Safe for Humans, Researchers Say 2018-02-02T05:00:00Z But it’s radiofrequency radiation, which is much lower energy than the ionizing radiation you’d get from an X-ray, or, say, nuclear fallout. Cellphone radiation poses no real harm to humans, new research says 2018-02-02T05:00:00Z The breast is exposed to a small dose of ionizing radiation that produces an image of the breast tissue. Breast cancer death rates decline 2017-10-20T04:00:00Z Since ionizing radiation damages the DNA, which is critical in cell reproduction, it has its greatest effect on cells that rapidly reproduce, including most types of cancer. College Physics for AP Courses 2015-08-12T00:00:00Z One problem area is radiotherapy — the practice of using ionizing radiation to kill cancers or to otherwise affect cells. Metrology is key to reproducing results 2017-07-24T04:00:00Z Under the impact of ionizing radiation, rearrangements of atoms could easily occur, changing the nature of the chemical in a wholly unpredictable way, and one that would be wholly beyond control. Silent Spring—I 2017-01-03T05:00:00Z A lot of uranium in the neighborhood, and we had at the time a "threshold theory" pertaining to the amount of exposure to ionizing radiation one could withstand before incurring adverse health effects, like cancer. Health Secrets of the Amish 2016-08-03T04:00:00Z Devised in the 1950s, this model assumes that a person's risk for developing cancer from ionizing radiation is directly proportional to the level of radiation exposure he or she received. Why What You Think About Radiation Might Just Be Wrong 2016-04-21T04:00:00Z Cancer is characterized by a malfunction of cell reproduction, and can also be caused by ionizing radiation. College Physics for AP Courses 2015-08-12T00:00:00Z The debate among scientists over the effects of low levels of ionizing radiation on wildlife and humans is heated and political, especially after the Fukushima catastrophe five years ago. Animals Rule Chernobyl 30 Years After Nuclear Disaster 2016-04-18T04:00:00Z Known as ionizing radiation, it is powerful enough to remove electrons from atoms. At C.D.C., a Debate Behind Recommendations on Cellphone Risk 2016-01-01T05:00:00Z Arsenic and cadmium compounds, anabolic steroids and ionizing radiation may be causes; carrots and soya may reduce the risk. Prostate cancer: 4 big questions : Nature : Nature Publishing Group 2015-12-14T05:00:00Z In space, there are two sources of ionizing radiation that could harm astronauts. How to poop like an astronaut 2015-11-23T05:00:00Z In the earlier discussion of the range of ionizing radiation, it was noted that energy is deposited in a series of ionizations and not in a single interaction. College Physics for AP Courses 2015-08-12T00:00:00Z The researchers found that elephants produce extra copies of the p53 protein, and that elephant blood cells seem exquisitely sensitive to DNA damage from ionizing radiation. How elephants avoid cancer 2015-10-07T04:00:00Z "Recent studies have highlighted the effectiveness of imaging techniques that don't rely on ionizing radiation for a variety of conditions, such as abdominal pain and pneumonia," Jones said. CT Scan Use in Children Dropped Over Past Decade 2015-08-24T04:00:00Z “It is a solid, unusually large study of individuals exposed to very low doses of ionizing radiation,” says epidemiologist Jørgen Olsen, director of the Danish Cancer Society Research Center in Copenhagen. Researchers pin down risks of low-dose radiation 2015-06-29T04:00:00Z Nonetheless, while there, the men were exposed to ionizing radiation 24 hours a day, seven days a week. Veteran links health issues to Marshall Islands radiation 2015-05-30T04:00:00Z Examine the situation to determine that a person is exposed to ionizing radiation. College Physics for AP Courses 2015-08-12T00:00:00Z SIT is a form of insect control that uses ionizing radiation to sterilize male flies. Irradiating And Eradicating The Tsetse Fly Scourge 2015-04-02T04:00:00Z CT scans, or computed tomography, use ionizing radiation, like X-rays, to provide detailed views of internal organs, soft tissue and blood vessels. CT Scan Use in Children Dropped Over Past Decade 2015-08-24T04:00:00Z “Our paper shows that early star-forming galaxies likely supplied enough ionizing radiation to explain the timing and magnitude of reionization inferred from the Planck data,” says lead author Brant Robertson of the University of Arizona. The Universe's Oldest Stars Were Late Bloomers 2015-02-17T05:00:00Z Exposure to very low levels of ionizing radiation is common—medical procedures, air travel, and industrial processes expose people to such radiation every day. U.S. lawmakers looking to intensify DOE’s low-dose radiation research 2015-01-12T05:00:00Z This means that ionizing radiation has positive uses in cancer treatment as well as risks in producing cancer. College Physics for AP Courses 2015-08-12T00:00:00Z But ionizing radiation used to sterilize males is poised to completely eradicate this plague. Irradiating And Eradicating The Tsetse Fly Scourge 2015-04-02T04:00:00Z Jill’s concern is shared by a growing number of doctors and medical organizations, who are worried about the soaring use of medical imaging tests that rely on ionizing radiation. The Hidden Dangers of Medical Scans 2014-11-22T05:00:00Z Hot young stars emit this radiation, but neutral hydrogen gas absorbs it, preventing the ionizing radiation from escaping into intergalactic space. 'Swiss cheese' galaxy resembles those that changed the youthful universe 2014-10-09T04:00:00Z Such a disk would offer low temperatures and an oxygen supply just as the ISM does, but would there be enough ionizing radiation? Half of Earth's water formed before the sun was born 2014-09-25T04:00:00Z How can treating food with ionizing radiation help keep it from spoiling? College Physics for AP Courses 2015-08-12T00:00:00Z Based on LNT, regulators and many scientists consider any additional exposure to ionizing radiation, however small, to increase cancer risk. Is EPA About To Relax Radiation Protections From Nuclear Power? 2014-07-19T04:00:00Z X-rays and CT scans use so-called ionizing radiation, which contains enough energy to penetrate the body—and can damage DNA in your cells. The Hidden Dangers of Medical Scans 2014-11-22T05:00:00Z Researchers are working to develop a material that will shield astronauts from ionizing radiation during missions to asteroids near Earth, the moon and Mars. Oklahoma State research team awarded NASA grant 2014-07-10T04:00:00Z With crustaceans and leafy greens, concerns from Food and Water Watch and other groups arose about furans, potentially carcinogenic substances that are produced by “ionizing radiation.” Efforts to zap bacteria in food are slow to catch hold 2014-04-27T22:05:56Z Biological effects of x rays will be explored in the next chapter along with other types of ionizing radiation such as those produced by nuclei. College Physics for AP Courses 2015-08-12T00:00:00Z Water Resource Protection: When the 1977 rule was written, regulators believed exposure to ionizing radiation was most likely to occur through the air. Is EPA About To Relax Radiation Protections From Nuclear Power? 2014-07-19T04:00:00Z Throughout her eight-hour shifts, Yu-mi was exposed to a battery of potentially dangerous chemicals, fumes, and ionizing radiation, a panel of Korean court judges later found. Samsung's War at Home 2014-04-10T19:32:48Z Primary enrichment of organics must first occur, and their destruction should be minimized during the conversion of sediment to rock and by limiting exposure of sampled rocks to ionizing radiation. [Introduction to Special Issue] Habitability, Taphonomy, and the Search for Organic Carbon on Mars 2014-01-23T19:26:06.492Z It does not produce ionizing radiation nor radioactive waste. DOE Mentions Technology Behind The Home Nuclear Reactor In Funding Opportunity 2014-01-04T13:00:00Z We hear many seemingly contradictory things about the biological effects of ionizing radiation. College Physics for AP Courses 2015-08-12T00:00:00Z But even this explanation does not account for the background amounts of ionizing radiation that almost surely cause damage to these microbes’ DNA, frozen at the bottom of a glacier or not. Colder Than Ice: Researchers Discover How Microbes Survive in Subfreezing Conditions 2013-10-10T19:45:09.120Z Fonarow points to one disadvantage of the procedure: CT scans expose patients to potentially harmful ionizing radiation. Diagnostics: The new risk predictors 2013-01-30T18:22:49.707Z But they have been criticized by some prominent scientists because they expose the public to a small amount of ionizing radiation, a form of energy that can cause cancer. TSA to study health effects of X-Ray body scanners 2012-12-18T18:56:00Z The multiple copies of his genome in each cell protect him against ionizing radiation. Glass future 2012-10-24T17:21:17.170Z All the effects of ionizing radiation on biological tissue can be understood by knowing that ionizing radiation affects molecules within cells, particularly DNA molecules. College Physics for AP Courses 2015-08-12T00:00:00Z He is referring to the background levels of ionizing radiation coming from both natural and artificial sources all around us, including radon sources, cosmic radiation from space and terrestrial radiation from the ground. Colder Than Ice: Researchers Discover How Microbes Survive in Subfreezing Conditions 2013-10-10T19:45:09.120Z And several scanning techniques applicable to CVD do not involve ionizing radiation. Diagnostics: The new risk predictors 2013-01-30T18:22:49.707Z One reason is that they emit a small dose of ionizing radiation, which at higher levels has been linked to cancer. X-ray body scanners removed from major airports 2012-10-19T18:05:00Z MRI creates pictures of internal tissues using magnetic fields, unlike X-ray which uses ionizing radiation. Pilot Study Demonstrates Feasibility Of MRI-Guided Catheterization 2012-08-29T14:05:53Z Without contradiction, ionizing radiation can be both a cure and a cause. College Physics for AP Courses 2015-08-12T00:00:00Z Previous studies have shown thyroid cells are particularly vulnerable to ionizing radiation - the kind produced by the Chernobyl nuclear meltdown or the atomic bombings of Japan, for example. Thyroid cancer risk persists decades after radiation 2012-08-17T18:15:24Z Most experts agree that as long as the X-ray backscatter machines are functioning properly, they expose passengers to only extremely low doses of ionizing radiation. The Consumer: Airport Security Scanners Leave Lingering Worries 2012-08-06T21:40:23Z While conventional pasteurization depends on heat, irradiation relies on energy generated by ionizing radiation. Will Irradiated Burgers Turn You Radioactive? The Truth About Food Irradiation 2012-07-12T13:36:51Z Mammography screening involves regular X-rays of the breasts to look for tumours, but this exposure to ionizing radiation also carries a risk of causing cancer. Risk analysis: A dense issue 2012-05-30T17:51:12.420Z To discuss quantitatively the biological effects of ionizing radiation, we need a radiation dose unit that is directly related to those effects. College Physics for AP Courses 2015-08-12T00:00:00Z For years, researchers around the world worked on massive and systematic programmes to understand how ionizing radiation might affect survivors of a blast. The low-level nuclear threat 2012-02-01T18:20:06.620Z Until 1972 he led the academy’s effort to provide genetic advice to the government on vexing issues like the above-ground testing of nuclear weapons and the effects of low levels of ionizing radiation. James F. Crow, Population Genetics Pioneer, Dies at 95 2012-01-11T01:34:28Z Several other environmental factors are also tied to a greater chance of developing childhood leukemia, including ionizing radiation such as x-rays and the mother's exposure to paint or pesticides while pregnant. Kids' leukemia risk tied to dads' smoking 2011-12-14T21:31:40Z In July, the European Parliament passed a resolution that security “scanners using ionizing radiation should be prohibited” because of health risks. U.S. Glossed Over Cancer Concerns Associated with Airport X-ray Scanners 2011-11-01T20:45:00.500Z The effects of ionizing radiation may be directly proportional to the dose in rads, but they also depend on the type of radiation and the type of tissue. College Physics for AP Courses 2015-08-12T00:00:00Z But questions about lower doses remained, in part because the studies were extremely cumbersome; to rack up enough mutations to reach statistical significance, scientists had to expose tens of thousands of flies to ionizing radiation. Attack on Radiation Geneticists Triggers Furor 2011-10-18T20:32:09Z Formaldehyde, ionizing radiation and trichloroethylene were the only chemicals and agents used or detected on Samsung's lines that are known to be related to the cancers in question, Environ said. Samsung study rejects claims semiconductor plants caused cancers 2011-07-14T07:52:58Z "For example, very low and high temperatures, exposure to high pressure or vacuum, as well as contact with organic solvents and ionizing radiation." Can the 'hardiest animal on Earth' survive off it? 2011-05-17T01:46:30Z But in the authoritative report on low doses of ionizing radiation, published in 2006, the National Academy of Sciences reviewed the research and concluded that the preponderance of research supported the linear link. U.S. Glossed Over Cancer Concerns Associated with Airport X-ray Scanners 2011-11-01T20:45:00.500Z Therapeutic applications of ionizing radiation, called radiation therapy or radiotherapy, have existed since the discovery of x- rays and nuclear radioactivity. College Physics for AP Courses 2015-08-12T00:00:00Z James Cox, a radiation oncology professor at the MD Anderson Cancer Center in Houston, emphasized that we're surrounded by ionizing radiation all the time. Should Radiation from Japan Scuttle Spring Break in Hawaii? A Mom Agonizes 2011-04-20T14:00:00Z A dosimeter that measures exposure to ionizing radiation via the teeth is the furthest along. Dose Detectives: Device Analyzes Radiation Exposure through Teeth and Nails [Slide Show] 2011-04-15T11:45:00.253Z But missing from her analysis is any mention of the radioisotope polonium 210 — the most lethal component of tobacco and surely the most destructive ionizing radiation to which world populations are ordinarily exposed. Threats Big and Small (2 Letters) 2011-04-11T22:12:36Z Only one type of full-body airport scanner -- the backscatter X-ray machine -- expose individuals to ionizing radiation such as that used in common medical X-rays. Radiation from airport scanners very low: study 2011-03-28T21:06:04Z Food irradiation is the treatment of food with ionizing radiation. College Physics for AP Courses 2015-08-12T00:00:00Z As with all ionizing radiation, exposure to tritium increases the risk of developing cancer. Japan's Nuclear Crisis: A Long-Term Challenge 2011-03-21T07:20:00Z It floored me to learn what science knows about the carcinogenicity of ionizing radiation. Poor Risk Communication In Japan is Making the Risk Much Worse. 2011-03-21T12:45:00.207Z For instance, Chumak and his colleagues developed a way to estimate doses people received by analyzing tooth enamel for effects of ionizing radiation. Radiation's Complications: Pinning Health Problems on a Nuclear Disaster Isn't So Easy 2011-03-16T20:45:00.297Z Workers would be at risk for illness or death because of high levels of gamma rays and other ionizing radiation. Wind and Rain Steer Radiation?s Reach 2011-03-16T01:46:43Z Medical therapy sometimes directly involves physics; for example, cancer radiotherapy uses ionizing radiation. College Physics for AP Courses 2015-08-12T00:00:00Z Type of radiation: The type of radiation of concern in the current situation is ionizing radiation, which is produced by spontaneously decaying heavy atoms, such as iodine-131 and cesium-137. How Radiation Threatens Health 2011-03-15T23:45:00.243Z But that’s to limit human exposure to ionizing radiation which, while dangerous, is less so than many of us presume. Beware the fear of Nuclear....FEAR! 2011-03-12T20:45:00.480Z The MRI, which does not require ionizing radiation, is also used in diagnosing and staging cancers and pinpointing heart problems. The new wave of MRI-safe heart devices 2011-02-16T17:15:00.417Z According to one, a single “hit” by a pulse of ionizing radiation when the chromosomes are condensed for mitosis might lead to localized fragmentation. [Editors' Choice] Catastrophe in the Nucleus 2011-01-19T22:55:30.187Z Tina, Midwest USA In the last century, many childhood diseases were treated with ionizing radiation. Consults: The Long-Term Risks of Thyroid Cancer 2010-10-26T19:44:00Z The Foreign Ministry also alleged that some 1,500 sources of ionizing radiation were lost in the U.S. between 1996 and 2001. Russia accuses U.S. of loose weapons control 2010-08-07T21:12:00Z The anniversary image “not only shows a region of gas and dust rich in shapes, ionizing radiation, the sculpting effect of radiation and stellar winds, but it also contains two very impressive jets.” Hubble's New Instant Classic 2010-04-26T16:08:00Z X-rays are in the category of "ionizing radiation" -- that is, waves with enough energy to tear the electrons off atoms and break chemical bonds. 2010-02-02T05:00:00Z The only known risk factor is exposure to high doses of ionizing radiation, like what occurred in the bombings of Hiroshima and Nagasaki. 2010-01-19T06:55:00Z In these the interest lies not in nuclear interactions but in the effect of ionizing radiation on living tissue. LRL Accelerators The 184-Inch Synchrocyclotron Actually, it was simple enough, relatively speaking, since a virus is infinitely simpler in structure than a bacterium, and hence much easier to modify with ionizing radiation. Pandemic It had long been known that deep-penetrating ionizing radiation had that effect on an organism. Anything You Can Do ... Accordingly, radiation injury is used in this report to mean injury due only to ionizing radiation. The Atomic Bombings of Hiroshima and Nagasaki The biological effects of all forms of ionizing radiation have been calculated within broad ranges by the National Academy of Sciences. Worldwide Effects of Nuclear War: Some Perspectives Does the feeble electric conductivity always observed in the air contained within the walls of an electroscope depend on ionizing radiations from the material of the walls themselves? Darwin and Modern Science It was concluded that persons exposed to the bombs at the time of detonation did show effects from ionizing radiation and that some of these patients, otherwise uninjured, died. The Atomic Bombings of Hiroshima and Nagasaki This disrupts the chemical bonds for critically important cell structures like the cytoplasm, which carries the cell's genetic blueprints, and also produces chemical constituents which can cause as much damage as the original ionizing radiation. Worldwide Effects of Nuclear War: Some Perspectives |
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