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
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
- one or more circles of light seen around a luminous object
- an electrical discharge accompanied by ionization of surrounding atmosphere
- (botany) the trumpet-shaped or cup-shaped outgrowth of the corolla of a daffodil or narcissus flower
双语例句
- The corona surface treatment system is available with a single or double electrode head;
电晕表面处理系统可提供单一或双电极头； - Acoustic waves are a primary candidate for supplying the energy necessary to heat the solar chromosphere and corona.
声波是供给太阳色球和日冕加热所需能量的主要候选能源。 - In this paper firstly the corona pulse current is theoretically researched;
首先对电晕脉冲电流进行了理论研究； - NO in the smoke can be oxidized to NO2 with the use of DC corona discharge, the air conditions are studied and the influences of flue gas condition and moisture on oxidant effect are simulated.
采用直流电晕放电氧化的方法可将烟气中含有的NO氧化为较易脱除的NO2，研究了空气条件和模拟烟气条件，水分对NO氧化效果的影响。 - 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。 - It was indicated that the corona discharge treatment was necessary in some applied field of polyester film.
讨论了聚酯薄膜电晕处理及其应用的关系，指出在一些应用范围电晕处理的必要性。 - 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。 - 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。 - 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。 - 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。