英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：

radiation    音标拼音: [r,edi'eʃən]
n. 放射,发射;放射物;散热器;射线疗法

放射,发射;放射物;散热器;射线疗法

radiation
辐射

radiation
n 1: energy that is radiated or transmitted in the form of rays
or waves or particles
2: the act of spreading outward from a central source
3: syndrome resulting from exposure to ionizing radiation (e.g.,
exposure to radioactive chemicals or to nuclear explosions);
low doses cause diarrhea and nausea and vomiting and
sometimes loss of hair; greater exposure can cause sterility
and cataracts and some forms of cancer and other diseases;
severe exposure can cause death within hours; "he was
suffering from radiation" [synonym: {radiation sickness},
{radiation syndrome}, {radiation}]
4: the spontaneous emission of a stream of particles or
electromagnetic rays in nuclear decay [synonym: {radiation},
{radioactivity}]
5: the spread of a group of organisms into new habitats
6: a radial arrangement of nerve fibers connecting different
parts of the brain
7: (medicine) the treatment of disease (especially cancer) by
exposure to a radioactive substance [synonym: {radiotherapy},
{radiation therapy}, {radiation}, {actinotherapy},
{irradiation}]

Radiation \Ra`di*a"tion\ (r[=a]`d[i^]*[=a]"sh[u^]n), n. [L.
radiatio: cf. F. radiation.]
1. The act of radiating, or the state of being radiated;
emission and diffusion of rays of light; beamy brightness.
[1913 Webster]

2. The shooting forth of anything from a point or surface,
like the diverging rays of light; as, the radiation of
heat.
[1913 Webster]

111 Moby Thesaurus words for "radiation":
X ray, actinic ray, actinism, arc lighting, asteroids, atomic beam,
atomic ray, attenuation, aurora particles, beam, beam of light,
black and white, blackout, broadcast, broadcasting, chiaroscuro,
circumfusion, contrast, cosmic particles, cosmic ray bombardment,
decorative lighting, diffraction, diffusion, dilution,
direct lighting, dispensation, dispersal, dispersion,
dissemination, dissipation, distribution, divergence,
electric lighting, emanation, emission, enlightenment, evaporation,
expansion, festoon lighting, floodlighting, fluorescent lighting,
fragmentation, gamma ray, gaslighting, gleam, glow lighting,
highlight, highlights, illumination, incandescent lighting,
indirect lighting, infrared ray, intergalactic matter,
invisible radiation, irradiance, irradiancy, irradiation, leam,
light, light and shade, light source, lighting, luminous energy,
meteor dust impacts, meteors, overhead lighting, patch, pencil,
peppering, photon, photosensitivity, propagation, publication,
radiance, radiancy, radiant energy, radiorays, radius, ray,
ray of light, ribbon, ribbon of light, scattering, scatterment,
shedding, shotgun pattern, sidelight, solar rays, sowing,
space bullets, spattering, splay, spoke, spot lighting, spread,
spreading, sprinkling, stage lighting, streak, stream,
stream of light, streamer, strewing, strip lighting, the bends,
tonality, ultraviolet ray, violet ray, visible radiation,
volatilization, weightlessness

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Radiation - World Health Organization (WHO)
    Radiation is energy that travels in the form of waves or particles and is part of our everyday environment People are exposed to radiation from cosmic rays, as well as to radioactive materials found in the soil, water, food, air and also inside the body
  • Radiation and health
    Radiation is the emission of energy as electromagnetic waves or moving subatomic particles Natural radiation comes from many naturally occurring radioactive materials found in soil, water, air and in the body Every day, people inhale and ingest forms of radiation from air, food and water
  • Radiation and health - World Health Organization (WHO)
    We work to strengthen radiation protection of the public, patients and workers worldwide We provide Member States with evidence-based guidance, tools and technical advice on public health issues related to ionizing and non-ionizing radiation
  • Ionizing radiation and health effects
    WHO fact sheet on ionizing radiation, health effects and protective measures: includes key facts, definition, sources, type of exposure, health effects, nuclear emergencies, WHO response
  • Radiation: Ionizing radiation - World Health Organization (WHO)
    Ionizing radiation is radiation with enough energy that to remove tightly bound electrons from the orbit of an atom, causing that atom to become charged or ionized Here we are concerned with only one type of radiation, ionizing radiation, which occurs in two forms: waves or particles There are several forms of electromagnetic radiation, which differ only in frequency and wavelength: Longer
  • Radiation: Electromagnetic fields
    Radiation: Electromagnetic fields 4 August 2016 | Questions and answers What are electromagnetic fields and where do they come from?
  • Radiation: Ultraviolet (UV) radiation
    Everyone is exposed to UV radiation from the sun and an increasing number of people are exposed to artificial sources used in industry, commerce and recreation The sun is by far the strongest source of ultraviolet radiation in our environment Solar emissions include visible light, heat and ultraviolet (UV) radiation Just as visible light consists of different colours that become apparent in
  • Radiation emergencies - World Health Organization (WHO)
    Radiation emergencies are non-routine situations or events that require a prompt action to mitigate a radio-nuclear hazard or its adverse consequences for human life, health, property or the environment Nuclear emergencies involve release of the energy resulting from a nuclear chain reaction or from the decay of the products of chain reaction (e g nuclear power plant accidents such as
  • Radiation: The known health effects of ultraviolet radiation
    UV radiation can cause short- and long-term health effects on the skin In addition to the well-known short-term effects such as sunburn or allergic reactions, long-term effects like skin cancer represent a chronic health risk Skin cancer risk is strongly correlated with the duration and frequency of sun exposure over one’s lifetime
  • Enhancing radiation safety in health care
    The medical use of ionizing radiation has expanded worldwide Advanced technology has opened new horizons to diagnostics and interventional radiology, nuclear medicine and radiotherapy While this has improved patient care, inappropriate or unsafe handling of radiation technology can also pose potential health risks for both patients and health workers There is a need to maximize the benefits





中文字典-英文字典  2005-2009