Nebulium was a proposed element found in a nebula by William Huggins in 1864. The strong green emission lines of the Cat's Eye Nebula, discovered using spectroscopy, led to the postulation that an as yet unknown element was responsible for this emission.
例句与用法
1.
It took only a matter of weeks for mysterium to share the fate of its optical brothers, nebulium and coronium . 只过了几星期的时间，该所谓奇醇之物就遭到了与它光学弟兄和氪同样的命运。
2.
It took only a matter of weeks for mysterium to share the fate of its optical brothers , nebulium and coronium 只过了几星期的时间，该所谓奇醇之物就遭到了与它光学弟兄?和氪同样的命运。
3.
It took only a matter of weeks for mysterium to share the fate of its optical brothers , nebulium and coronium < uk >只过了几星期的时间，该所谓奇醇之物就遭到了与它光学弟兄和氪同样的命运。 < / uk >
您当前位置：