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汉语拼音：zhòng qīng

氘（dāo）。

重氢 [zhòng qīng]

1. 氢有氘、氚二种同位素的称为「重氢」。

• It is a naturally occurring radioactive form of hydrogen, sometimes known as heavy hydrogen.

  它是氢气的一种形态，它自然发生放射，有时被人们称为重氢。

• A deuterium atom is a hydrogen with an extra neutron in its nucleus.

  重氢是原子核中多一个中子的氢。

• Moon rocks show that lunar water has more heavy hydrogen than does terrestrial water, indicating a cometary origin.

  研究表明，月球岩石中的水资源比地球水资源包含更多的重氢元素，意即月球水有可能来源于彗星。

• The TA31RCO incorporates dual-illumination technology using a combination of fiber optics and self-luminous tritium.

  TA31RCO混合了双层照明技术，用视觉纤维（后面说明）和自行发亮的三重氢。

• Deuterium-based fusion reactors enter widespread use on Earth.

  基于重氢的聚变反应堆在地球上被广泛使用。

• Specifically, the ratio of heavy hydrogen, or deuterium, to regular hydrogen was too high in the comets.

  具体而言，在彗星中，重氢，或者说是氘以及氢的含量更高。

• Fusing heavy hydrogen isotopes requires lots of energy, partly because the nuclei are positively charged and repel each other.

  融合重氢同位素需要大量能量，部分原因是因为原子核带正电并相互排斥。

• The vector correlation study of the reactions of chlorine atoms with methane and perdeuterated methane

  氯与甲烷和重氢甲烷反应的矢量相关研究