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[期刊论文] 作者:NIE Jianhua,LI Yawei,YAN Hao,L, 来源:中国耐火材料(英文版) 年份:2004
TiN/Al2O3 composite material was prepared by aluminothermic reduction of Ti02 in coke bed.The phase composition,lattice parameter and microstructure of products...
[期刊论文] 作者:Qin Nie,JianHua Xu,Zhuo Li,YuL, 来源:寒旱区科学(英文版) 年份:2004
Using an integrated method combining wavelet analysis and non-parameter Mann-Kendall test,this paper analyzed spatial-temporal variations of vegetation cover in...
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