The nanoprobe excites the sample with a strongly focused X-ray beam and collects the characteristic fluorescence signal that is re-emitted.

纳米探针通过聚焦强X射线激发样品，然后收集发射出的特征荧光。

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Objective:To improve knowledge of biological characteristic in X ray CT and MRI image of craniocerebral echinococciasis and diagnostic rate.

目的：为加强脑包虫病X线片、CT、MRI影像中生物学特性认识，提高诊断率。

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Developed by AD agency BUTTER, the 12 images display models in a variety of poses, but instead of the typical beach setting we're confronted the characteristic nothingness of an X-ray film.

由广告公司BUTTER设计，12幅图片中的模特儿摆出了各种姿势，但是与标准的沙滩装不同的是，我们所看到的是典型的虚无空白的X光片。

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Neutron stars have a distinctive X-ray characteristic, which the research team looked for.

FORBES: Scientists May Have Found The Galaxy's Youngest Black Hole

DivX Plus Streaming brings a cutting-edge feature set to streaming media that is typically characteristic of the Blu-ray Disc consumer experience such as multi-language subtitles and audio tracks, trick-play track for smooth fast forward and rewind, chapter points for quick scene navigation, and resume playback across devices.

ENGADGET: Toshiba to launch TVs with DivX Plus Streaming certification

Most diffuse X-ray sources in the Universe have a characteristic temperature because they represent the residual radiation from an event, such as a supernova.

BBC: Arches Cluster, Leicester