They used a powerful X-ray source called a synchrotron, which uncovered metals within the ancient fossilised feathers.
他们使用同步加速器作为强X射线源,可以发现古化石羽毛中的金属成分。
A fading X-ray source was seen as well, though no optical afterglow was detected by Swift.
还观测到了一个逐渐减弱的X射线源,但是Swift(雨燕号?)没有发现光学余辉。
A method detecting and measuring the intensity of spectrum from laser plasma soft X-ray source is presented.
提出了一种新的探测和测量激光等离子体软X射线源光谱强度的方法。
The rapid variability points to ultrarelativistic electrons acting via a synchrotron process as the probable X-ray source.
其快速的变异表明,存在通过一个同步加速过程发挥作用的超相对论电子,它们是X-射线的可能来源。
Monolithic capillary X-ray lens can collect divergent white X-ray beam emitted from a point X-ray source into a quasi parallel beam.
整体平行束X光透镜能把点X光源发出的发散X光束聚焦后转变成准平行X光束。
Additionally, if the X-ray source is in a binary system, the X-rays will be periodically cut off as the source eclipsed by the companion star.
另外,如果x射线源是一个双星系统,当x射线源被它的伴星所遮挡时,发出的x射线就会周期性地被切断。
In large container inspection systems, the image is constructed by parallel scanning with a one-dimensional detector array with a linac used as the X-ray source.
大型集装箱检查系统中,采用一维线阵列探测器并行扫描方式,并以直线加速器为X射线源。
The special setting for precise positioning of the X-ray source in industrial Computed Tomography (ICT) system has been made, and the testing program has been developed.
为了实现工业CT系统射线源的精确定位,设计了射束中心位置测试专用装置,并开发了测试程序。
For X-ray source with a certain spectral width, the source with minimum spectral width as possible to get the high resolution images with rich information should be selected.
对于具有一定谱宽的X射线源,应选择谱宽尽量小的源,以获得含信息量丰富、分辨率高的图像。
The thickness gauge, as one of the applications, has succeeded in thickness measuring of the different materials in large range, and present a new application field for characteristic X-ray source.
作为应用之一制成的核辐射测厚仪,已成功地实现了在很宽的范围内对不同材质的厚度测量,丰富和扩大了这一应用领域,揭示了特征X射线新的应用前景。
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 。
Three dimensional CT for the industrial pieces with large and flat size can be carried out by means of this method with a low energy X ray source.
在射线源能量较低的情况下,此法能够对大而扁的工业构件实施三维ct重建。
Using field emission cathode, X ray source can be made with several advantages: smaller volume and brighter, high frequency response, in-time turning on, etc.
采用场发射阴极的X射线光源具有体积小,辐射强度高,频率响应快,可以随时开启,无需预热的优点。
Using high - power pulsed laser - produced plasma as soft X - ray source for approach lithography is described in this paper.
描述了用高功率脉冲激光打靶产生的等离子体作为软x射线源而进行的接近式软x射线光刻研究。
Using high - power pulsed laser - produced plasma as soft X - ray source for approach lithography is described in this paper.
描述了用高功率脉冲激光打靶产生的等离子体作为软x射线源而进行的接近式软x射线光刻研究。
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