The effects of vacuum-baking on the chemical state of CsI photocathodes are studied with X-ray photoelectron spectroscopy (XPS).
本文应用XPS（X射线光电子能谱仪）研究了真空烘烤对碘化铯光阴极化学状态的影响。
Add 10 drops of essential oil to a box of cornstarch or baking soda, mix very well, let set for a day or two and then sprinkle over the carpets on your home. Let set for an hour or more, then vacuum.
一盒玉米淀粉或发酵粉中加入10滴精油，充分混合后放置一到两天，然后均匀撒在室内的地毯上，静置一到二小时后用吸尘器清除。
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