Scientists in Germany used X-ray photoelectron spectroscopy to get a detailed image of the surface of a treated tooth.
德国的科学家利用X射线光电光谱得到了牙齿在氟化物处理后的表面细节图像。
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The new "nano-patterned" surface was created using a manufacturing process similar to that used to make Blu-ray discs.
这种新型的纳米图案化表面的制作过程跟制作蓝光光盘的过程相似。
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Then they brought the sample back to room temperature and exposed it to an X-ray beam from the facility while using a CCD detector to record the X-rays reflected from the surface of the sample.