| 词汇 | radiation |
| 释义 | radiation noun[ U ] uk /ˌreɪ.diˈeɪ.ʃən/ us /ˌreɪ.diˈeɪ.ʃən/ C1 a form of energy that comes from a nuclear reaction and that can be very dangerous to health: （核）辐射 Many servicemen suffered radiation sickness after the early atomic tests.很多军人在早期的原子弹试爆后患上了辐射病。 energy from heat or light that you cannot see: （光或热的）辐射（能） microwave/ultraviolet/electromagnetic radiation微波／紫外线／电磁辐射 The radiation leak has had a disastrous effect on the environment. It is feared that people living near the power station may have been exposed to radiation. Wearing the correct type of clothing will reduce the risk from radiation.衣着得当会降低辐射对身体的危害。 There is some danger of low level radiation. So what is an acceptable level of radiation?那么，可接受的辐射量是多少？ Physics: radiation & radioactivity alpha particle background radiation decay electromagnetic radiation gamma radiation gamma ray irradiation luminosity non-ionizing non-irradiated nonradioactive radioisotope sievert spectrometer spectrometric spectrometry UPF UVA UVB weak force radiation | American Dictionaryradiation noun[ U ] us/ˌreɪ·diˈeɪ·ʃən/ physics energy in the form of waves or particles (= any of the smallest pieces of matter that make up atoms): Residents argued that electromagnetic radiation emitted by the radar towers might pose a health hazard. (the sending out of) heat, light, or energy in waves: solar radiation Examples of radiationradiation 502 no radiations other than the basic waves mentioned above. Figure 1 shows the incoming and outgoing radiations as a function of temperature. Ideally, the study of a large set of adaptive radiations should, at least some day, lead to greater generality. Four major clades radiated within the family, reflecting 2 radiations within birds and 2 within mammals. Here the viewer can see that the wave break-up, and the radiations resulting from it, increase as we progress along the time axis. Eighteen of the twenty-one chapters describe particular adaptive radiations, giving detailed descriptions of taxa in which interesting evolutionary changes have occurred (eight of which involve very recently diversified groups). Evolutionary radiations and convergences in the structural organization of mammalian brains. Note here the sharp forward peak of the wave, characteristic of self-focusing, but still the absence of radiations. High-power short-wave radiations are reported to induce lethal temperatures in animal life in stored materials, so that all stages are said to be destroyed with expedition and ease. Modelling the influence of external fields on the ability of tubules to adhere, may be a first step towards estimating the biological impact of low-frequency radiations. A weakness of the uniformity in the book's plan, however, is that a collection of case studies of adaptive radiations begins after a while to feel repetitive. From the outward radiations and the pointed leading edge of the wave, it is immediately clear that it is moving along the temporal, or t axis. Contingency and determinism in replicated adaptive radiations of island lizards. The radiations of temnospondyl amphibians. Adaptive radiations of neotropical primates. See all examples of radiation These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. Collocations withradiationradiationThese are words often used in combination with radiation. Click on a collocation to see more examples of it. acute radiation This constellation of symptoms is often collectively referred to as acute radiation dermatitis. adaptive radiation Triculines form a wholly aquatic group exhibiting today an amazing adaptive radiation of three tribes, over 20 genera and more than 120 species. alpha radiation I gather that, if it were an alpharadiation, he would be in a worse state than if it were gamma. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. See all collocations with radiation |
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