corona

英 [kəˈrəʊnə]

美 [kəˈroʊnə]

n.  (尤指在日食或月食期间的)日冕，日华，月华

复数：coronas　

计算机

BNC.35293 / COCA.17199

牛津词典

noun

• （尤指在日食或月食期间的）日冕，日华，月华
  a ring of light seen around the sun or moon, especially during an eclipse

柯林斯词典

• 日冕;日华
  The sun'scoronais its outer atmosphere.

英英释义

noun

• a long cigar with blunt ends
• (anatomy) any structure that resembles a crown in shape
• the outermost region of the sun's atmosphere
  Synonym:aureole
• one or more circles of light seen around a luminous object
• an electrical discharge accompanied by ionization of surrounding atmosphere
  Synonym:corona dischargecorposantSt. Elmo's fireSaint Elmo's fireSaint Elmo's lightSaint Ulmo's fireSaint Ulmo's lightelectric glow
• (botany) the trumpet-shaped or cup-shaped outgrowth of the corolla of a daffodil or narcissus flower

双语例句

• Much of visible light reaching us from the solar corona also seems to be due to scattering by electrons.
  从日冕中射来的相当大一部分可见光看来也是由电子散射产生的。
• Corona or Plasma Surface Treatment is modification of polymer surfaces with electrical discharge.
  电晕或等离子体表面处理的改性聚合物表面放电。
• The necessary exposure time for corona at different solar radius is estimated as well.
  文章还估计了拍摄不同太阳半径上日冕所需的曝光时间。
• The chromosphere and corona can be seen from Earth when the sun is totally eclipsed by the moon.
  当出现日全食时，从地球上可以看到太阳的色球层和电晕层。
• Influence of Air Pressure and Humidity on Positive DC Corona Streamer Pulse Characteristics
  气压和湿度对正直流电晕流注脉冲特性的影响
• The gas transfer process of SO2 in the corona discharging electric field is studied.
  研究了SO2在放电电场中的气相传质过程。
• In the region where the corona exists, large numbers of positive and negative ions are formed.
  在存在电晕的区域，形成了大量正离子和负离子。
• Pulse corona discharge is one of the methods which producing plasma is in industrial test stage.
  脉冲电晕放电是产生等离子体的方法之一，目前已达到工业性试验阶段。
• The corona discharge radical shower NO conversion process was studied under different flue gas components.
  研究了不同的烟气成分对电晕放电自由基簇射NO转化过程的影响。
• Test results show that the corona's onset and breakdown voltage both rise with increasing OD of the nozzle.
  结果表明：喷嘴外径增大，起晕电压和击穿电压升高。