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求助翻译一段话，化工方面的，谢谢了！！
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| The amount of coke deposited on the used catalysts was measured by TGA under air as described elsewhere [32]. Powder X-ray diffraction (XRD) spectra of catalysts (phase analysis) were recorded on a Stoe Stadi-P diffractometer with a monochromatic Cu-Kα1 radiation from a germanium monochromator in the angular range 20◦≤ 2θ≤70◦, with a step width of 0.04◦ and count time of 5 s per step. XRD patterns were attributed using the JCPDS database. |
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leeking85
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