The nature of Coma's X-ray emission is still being investigated.

后发星系团X射线发射的性质仍在查证中。

youdao

Faint X-ray emission is seen along the filament, showing that it contains hot gas as well as galaxies.

沿着细线方向观测到微弱的X线辐射，表明那里与星系团中一样包含热气团。

youdao

A Type 1a supernova caused by accreting material produces significant X-ray emission prior to the explosion.

由物质吸积导致的Ia型超新星会在爆发前产生大量的X射线辐射。

youdao

One of the interesting means the physicists article focuses on is the use of proton-induced x-ray emission (PIXE), which allows for a non-destructive study of art objects.

FORBES: Scientists Use Ion Beams To Detect Forged Art

There are, however, no interference problems with field-emission X-ray sources, so these can be used to take high-resolution pictures while treatment is proceeding.

ECONOMIST: Modern X-ray technology

What you would see, says Fender, is emission in the x-ray, radio, infrared or optical.

FORBES: Free-Floating, Nearby Black Holes Detectable By Decade's End, New Study Reports