Emission characteristic of long laser pulse keV X-ray source;
长脉冲keV X射线源的辐射特征
ROSAT X-ray Source 1057+4316 Identified as a QSO of z=0.32Z;
ROSAT X射线源1057+4316被证认为一个z=0.32的类星体
It can be made as field emission cathode of X-ray source.
实验使用印刷方法将碳纳米管制备于玻璃基底 ,并作为X射线源的阴极。
In the process of X ray photography and digitizing of X ray image, the influence of the X ray source and noises on the image quality is discussed in this paper, and a mathematical model is built.
讨论了工业 X射线照相及照片数字化过程中 ,X射线源及噪声对图像质量的影响 ,建立了图像退化的数学模型 ,并以此为基础 ,给出了复原的算法及处理结果 。
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