搜索筛选:
搜索耗时0.0761秒,为你在为你在102,285,761篇论文里面共找到 6 篇相符的论文内容
发布年度:
[期刊论文] 作者:ZHUJIAN-GUO,XINGGUANG-XI,
来源:土壤圈:英文版 年份:1992
The present paper deals mainly with the relationships between the distribution of rare earth elements (REE) in different forms in soils and the atomic number an...
[期刊论文] 作者:ZHUJIAN-GUO,XINGGUANG-XI,
来源:土壤圈:英文版 年份:1992
The distribution of rare earth element (REE) forms in soils is given in the present paper on the basis of sequential fractionation and determination of 34 repre...
[期刊论文] 作者:SHAOXIAO-HOU,XINGGUANG-XI,等,
来源:土壤圈:英文版 年份:1993
Co,Ni,Cr and V in 25 typical soils of China were fractionated into exchangeable,carbonate bound (calcareous soils),Mn oxide bound,organically bound,amorphous Fe...
[期刊论文] 作者:SHISHU-LIAN,XINGGUANG-XI,等,
来源:土壤圈:英文版 年份:1992
The present article deals with the natural nitrogen-15 abundance of ammonium nitrogen and fixed ammonium in different soils.Variations in the natural ^15N abund...
[期刊论文] 作者:XINGGUANG-XI,HOUWEN-HUA,等,
来源:土壤圈:英文版 年份:1991
This paper has investigated the ratios of closely related elements such as Mn,Cr,V,Ni,Co,Cu,Pb,Cd,Ba,Sr,La and Ce in the major soils of China,and the factors af...
Study on Variation in ^15N Natural Abundance.I.Characteristics of Variation in ^15N Natural Abundanc
[期刊论文] 作者:SUNGUO-QING,XINGGUANG-XI,等,
来源:土壤圈:英文版 年份:1991
...
相关搜索: