搜索筛选:
搜索耗时1.7833秒,为你在为你在102,285,761篇论文里面共找到 5 篇相符的论文内容
发布年度:
[期刊论文] 作者：HEQing,ZHUEn-yuan,WANGZheng-ta,
来源：中国药学：英文版 年份：2004
Genus Codonopsis comprises more than 40 species in China. The roots of these plants have been used as traditional Chinese medicines or folk love herbs. Codonops...
[期刊论文] 作者：Heqing DU,Hajime MIWA,
来源：国际泥沙研究（英文版） 年份：2004
Alternate bars have the property that they migrate downstream whenever floods occur. However,in meander channels whose bend angles are larger than a critical va...
Study on Statistical Features About Weak Earthquake Activity Before Moderately Strong Earthquakes in
[期刊论文] 作者：Ma Heqing,Sheng Juqing,Zhao We,
来源：中国地震研究（英文版） 年份：2004
In regards to the earthquakes recording M ≥ 5.0 that occurred in middle northern part of the Qinghai-Xizang (Tibet) Block from 1970 ～ 2003, in this study we des...
[期刊论文] 作者：WANG Han,LAN Heqing,GENG Kemin,
来源：中国耐火材料（英文版） 年份：2004
Six kinds of Cr2O3 - Al2O3 fused grains ( the mass percent of Cr2O3 was 15％,40％,50％,60％,85％ and 99％,respectively ) were prepared using chrome green and Al2O3 powder a...
[期刊论文] 作者：YAOZhi-ming,LIWei,QUWan-ying,ZHOUCheng,HEQing,JIFu-sui,
来源：中华医学杂志英文版 年份：2004
...
相关搜索：
