| 单词 | ionise |
| 例句 | Stuart Weiss, Blaine's doctor, said one of the stunt's main risks was exposure to the ozone and nitrous oxides that are a by-product of ionised air. Blaine prepares for shocking feat 2012-10-03T10:41:21Z One stall promotes de-ionised water, while the next sells you specially ionised cream. You had me at 'vagina rejuvenation': my weird day out at an anti-ageing exhibition 2015-05-18T04:00:00Z However, the extensive use of this procedure in recent decades has raised concerns in the medical and scientific community about the potential cancer risks associated with exposure to ionising radiation, particularly in young patients. Multinational study confirms association between CT scans in young people and increased risk of cancer 2023-11-09T05:00:00Z The chosen model was tokamak, which uses magnetic fields to confine the plasma - a hot, ionised gas - inside a vessel. UK's nuclear fusion site ends experiments after 40 years 2023-10-13T04:00:00Z He and a team of nurses perform regular medical tasks for staff, from checking blood pressures to looking for the effects of ionising radiation. Inside the 'town' behind Sellafield's security fence 2022-09-26T04:00:00Z The IC 1805 is an area of huge amounts of ionised gas and interstellar dust. Astronomy Photographer of the Year: 'Once in a lifetime' picture of comet wins award 2022-09-15T04:00:00Z In April the agency said the Russians had plundered two labs at Chernobyl, stealing sources of ionising radiation. Ukraine war: Chernobyl scarred by Russian troops' damage and looting 2022-06-03T04:00:00Z The innovative use of VR means limits on practical learning due to exposure to ionising radiation "no longer apply", according to Delyth Hughes, course leader for diagnostic radiography at Bangor University. Bangor Uni uses virtual reality to train radiologists 2021-09-28T04:00:00Z Much of the glow results when the electrons and ionised hydrogen recombine. Astronomy Photographer of the Year 2021: Shortlist revealed 2021-06-29T04:00:00Z They range from the usual issues of noise and vibrations from tools and machinery up to chemicals and ionising radiation. Inside the 'town' behind Sellafield's security fence 2022-09-26T04:00:00Z Some 42 hours after the test codenamed Centaur, "the inhabitants of Tahiti and the surrounding islands of the Windward group were subjected to significant amounts of ionising radiation", the report says. French nuclear tests contaminated 110,000 in Pacific, says study 2021-03-09T05:00:00Z “Radioactivity ionises the air, releasing electric charge,” they explained, in the statement. Cold War nuclear tests changed rainfall thousands of miles away, scientists reveal 2020-05-14T04:00:00Z In the weeks immediately after the explosion, 29 power plant workers and firefighters died from ARS, caused by exposure to high doses of ionising radiation, according to Soviet officials. 'I saw the damage': Chernobyl workers assess TV series 2019-06-11T04:00:00Z As cosmic rays battered the planet, they ionised the atmosphere and made it more conductive. Exploding stars led to humans walking on two legs, radical study suggests 2019-05-28T04:00:00Z A further mystery is what powers the solar wind, the ionised gas that races away from the sun at more than a million miles per hour. 'Mission to touch the sun': Nasa to launch Parker Solar Probe 2018-08-10T04:00:00Z This is “ionising” radiation, exploited in x-ray therapy where high-energy photons are marshalled to kill tumour cells. Why mobile phones are NOT a health hazard 2018-07-21T04:00:00Z This fits in a very small volume and provides thrust by ionising and then ejecting a gas. UK 'space drones' look to Proton ride 2018-03-12T04:00:00Z In the medical version, breath is exhaled across a sensor which ionises the VOCs, causing them to gain an electric charge. A breathalyser for disease 2017-11-30T05:00:00Z This both sprays the liquid into the air, creating an aerosol, and ionises the molecules within. A new device to help train sniffer dogs 2017-07-06T04:00:00Z For example, the finding goes against what may be expected to be seen: that ionising radiation is hazardous to living organisms. Chernobyl Wildlife Make a Comeback Despite Contamination 2015-10-06T04:00:00Z Meanwhile, 120,000 residents of Fukushima Prefecture remain evacuated – a reminder that while ionised radiation is a fact of life for us all, for residents of some cities it’s a daily source of worry. What's the most radioactive city? 2015-05-15T04:00:00Z EGS-zs8-1 dates from just after an important period of change in the early Universe, the Epoch of Reionisation, when ionised atoms of hydrogen attracted electrons, turning them into neutral atoms. Astronomers Spot A Galaxy That's Extremely Far, Far Away 2015-05-06T04:00:00Z Applying an oxidising potential dissolves the mirror coating by ionising the metallic silver. Glass Switches From Transparent to Reflective Without Drawing On Power [Video] 2014-10-16T04:00:00Z This ionises the compounds within the air stream, including any derived from explosives, before they enter the device. A new device to help train sniffer dogs 2017-07-06T04:00:00Z Plasma screens, which use electrically charged ionised gases, are often applauded for their brightness, deep blacks, and high frame rates, considered ideal for watching sport and films. Samsung scraps plasma TVs 2014-07-03T04:00:00Z Rigopoulou said they were surprised to discover that the level of ionised carbon in luminous galaxies five billion years ago was similar to the level of ten billion years ago, but completely different to today. The Universe's Star 'Baby Boom' Ended Five Billion Years Ago 2014-01-16T17:16:00Z Plasma screens, which use electrically charged ionised gases, are praised for their brightness, deep blacks, and rich colour displays, but tend to use more electricity than other screen technologies. Panasonic 'to quit' plasma TV sector 2013-10-09T12:18:57Z This led the researchers to suspect that cataracts in birds might be common in areas where there are high levels of ionising radiation, and they turned to Chernobyl as a study area. Radiation and birds: Not so blindingly obvious 2013-09-05T15:00:47Z Earlier this year, researchers of ionised gas and dust falling in towards SgrA*. Black hole to eat planetary cloud 2012-09-11T17:53:44Z "They will be exposed to a huge rate of ionising radiation," says Jonathan Amos. Can the Dutch do reality TV in space? 2012-06-20T00:41:58Z The researchers searched the skies for ionised carbon, which is produced when the gas in a galaxy cools down and collapses, starting the star-making process. The Universe's Star 'Baby Boom' Ended Five Billion Years Ago 2014-01-16T17:16:00Z Ironically, because past research studying the after-effects of exposure to things like atom bombs and radiation treatments for cancer suggests the most important environmental risk factor for meningiomas is ionising radiation. Dental X-rays: Little and not often, please 2012-04-12T15:07:08Z That cataracts and ionising radiation are related is well known. Radiation and birds: Not so blindingly obvious 2013-09-05T15:00:47Z This would agree with the theory advanced by Arrhenius that “ionised particles are constantly being repulsed by the pressure of light, and thus journey from one sun to another.” Astronomical Curiosities Facts and Fallacies 2012-03-27T02:00:18Z Instead of being exposed to ionising radiations, travellers are exposed to an electromagnetic field from which there are "no proven health risks", the report says. Radiation risk 2011-07-01T22:25:54Z Mobile phones don't disrupt DNA, which is the way ionising radiation causes cancer – that much was already well known. Of course we love a medical scare. But it's got to ring true 2010-05-19T21:00:00Z These days, however, the main source of ionising radiation for most people is neither fallout from bombs nor radiotherapy; it is dental X-rays. Dental X-rays: Little and not often, please 2012-04-12T15:07:08Z In other words, it ionises a molecule of the gas or confers its electric charge upon it. The Birth-Time of the World and Other Scientific Essays M. Righi has ably demonstrated that ionised gas does not obey the law of Ohm by an experiment very paradoxical in appearance. The New Physics and Its Evolution Backscatter X-ray scanners which emit low doses of ionising radiation are being trialled at some airports. Radiation risk 2011-07-01T22:25:54Z The rays from radium compounds discharge electrified bodies, ionise gases, that is, cause them to conduct electricity, act on photographic plates, and produce profound changes in living organisms. The Story of Alchemy and the Beginnings of Chemistry In this form of contact the signals are reflected from an ionised area 90 to 120 kilometres above the surface of the earth. The Dawn of Amateur Radio in the U.K. and Greece: a personal view Helium which is chemically one of the most inert of the elements, is, when possessed of such great kinetic energy, able to penetrate and ionise the atoms which it meets in its path. The Birth-Time of the World and Other Scientific Essays One of the most striking characteristics of ionised gases is that of discharging electrified conductors. The New Physics and Its Evolution It spends its energy in the act of ionising them, coming to rest, when it moves in air, in a few centimetres. The Birth-Time of the World and Other Scientific Essays We can be quite sure that within the complex structure of the living cell the ionising effects which everywhere accompany the ß-rays must exert a profound influence. The Birth-Time of the World and Other Scientific Essays For, in fact, some of the rays complete their work of ionising at points in the gas before the end is reached. The Birth-Time of the World and Other Scientific Essays Initial recombination seems, however, to be absent or diminished in effectiveness; probably because of the new stability instantly assumed by the ionised atoms. The Birth-Time of the World and Other Scientific Essays The ions of a contrary sign may be almost completely separated by placing the ionised gas in a suitably disposed field. The New Physics and Its Evolution The explanation does not suggest that the ionising power of any one ray is actually diminished before it finally ceases to be an alpha ray. The Birth-Time of the World and Other Scientific Essays The y-rays are, therefore, very penetrating and powerfully ionising light waves; light waves which are quite invisible to the eye and can beam right through the tissues of the body. The Birth-Time of the World and Other Scientific Essays We now speak of the salt as "ionised." The Birth-Time of the World and Other Scientific Essays We can directly show the chemical effects of the ionising ß-rays. The Birth-Time of the World and Other Scientific Essays It was rapidly discovered after the apparition of the X rays that gases that have become conductors, that is, ionised gases, also facilitate the condensation of supersaturated water vapour. The New Physics and Its Evolution As it advances in its path its effectiveness in ionising the atom rapidly increases and attains a very marked maximum. The Birth-Time of the World and Other Scientific Essays The lagging ray, about to resign its ionising properties, becomes a much more efficient ioniser than it was at first. The Birth-Time of the World and Other Scientific Essays Similar ionisation under electric forces enters, as we now believe, into all the chemical effects progressing in the galvanic cell, and, indeed, generally in ionised solutes. The Birth-Time of the World and Other Scientific Essays The state of the ionised system may be very various according as it arises from continued rhythmic effects or from unorganised shocks. The Birth-Time of the World and Other Scientific Essays The electrons, when they are propagated in a gas, can ionise the molecules of this gas and unite with the neutral atoms to form negative ions, while positive ions also appear. The New Physics and Its Evolution Such electrified atoms are absent from the sugar solution: sugar does not become "ionised" when it is dissolved. The Birth-Time of the World and Other Scientific Essays The ionised sodium atom is known to be _monad_ or carries but _one_ positive charge; whereas the magnesium atom is _diad_ and carries _two_ positive charges. The Birth-Time of the World and Other Scientific Essays |
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