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[期刊论文] 作者:Hongyu Liu,Xueming Ma,Dongmei, 来源:北京科技大学学报(英文版) 年份:2004
Y2O3-doped ZnO-based varistor ceramics were prepared using high-energy ball milling (HEBM) and low-temperature sintering technique, with voltage-gradient of 193...
[期刊论文] 作者:LU Hongyu,LIU Jingmei,ZHANG Ha, 来源:东北农业大学学报(英文版) 年份:2004
The traditional technique for asexual propagation of Siraitia grosvenori in vitro is adopted widely by pressing the vine, which has a high risk of carrying vira...
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