The recent researches of cosmic X-raybackground radiation are introduced in this paper.
本文介绍了宇宙X射线背景的研究近况。
2
The background of Xray Photoelectron spectroscopy (XPS) spectrum, which was often neglected in the past, may provide valuable information on surface morphology and depth profile.
光电子谱中的背景信号包含样品的信息，但过去往往被忽略。
3
The common background method dealing with the background of diffraction profile was presented to increase the efficiency of X-ray stress measurement.