Esca: How can a piece of metal mean so much to you?
艾萨卡:“这块破金属片究竟对你意味着什么呢?”
ESCA is a new and effective means for the study of pulp bleaching.
ESCA可为研究纸浆漂白提供新的有效手段。
Two kinds of spent commercial hydrocracking catalysts were characterized using XRD, ESCA, FTIR and TEM techniques.
采用XRD、 ESCA、FT IR、TEM等技术对两种同类型工业运转失活的加氢裂化催化剂进行了表征。
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