在Honolulu举办的2008Symposium on VLSI Technology技术论坛上,Intel Corp.的研究人员发布了新一代基于绝缘硅(SOI)通过埋层氧化层(BOX)储存电荷的浮体存储器单元(FBC)。针对一些专家提出的缩小尺寸将导致器件的荷电保持能力下...在Honolulu举办的2008Symposium on VLSI Technology技术论坛上,Intel Corp.的研究人员发布了新一代基于绝缘硅(SOI)通过埋层氧化层(BOX)储存电荷的浮体存储器单元(FBC)。针对一些专家提出的缩小尺寸将导致器件的荷电保持能力下降的疑虑,展开更多
The researches on species diversity and its relationship with spatial scale have remained a key topic in plant ecology.The results of researches on species diversity are always influenced by sampling strategy.In this ...The researches on species diversity and its relationship with spatial scale have remained a key topic in plant ecology.The results of researches on species diversity are always influenced by sampling strategy.In this paper,the modifiable areal unit problem(MAUP)of species diversity in natural secondary Alniphyllum fortunei forest in Meihuashan Natural Reserve was studied.The results showed that there were scale effect and zoning effect for species diversity in Alniphyllum fortunei community.With the increase of the sample area,the scale effect and zoning effect might decrease.Jackknifing method was able to estimate a normal distribution range of species diversity as well as the zoning effect range.展开更多
文摘The researches on species diversity and its relationship with spatial scale have remained a key topic in plant ecology.The results of researches on species diversity are always influenced by sampling strategy.In this paper,the modifiable areal unit problem(MAUP)of species diversity in natural secondary Alniphyllum fortunei forest in Meihuashan Natural Reserve was studied.The results showed that there were scale effect and zoning effect for species diversity in Alniphyllum fortunei community.With the increase of the sample area,the scale effect and zoning effect might decrease.Jackknifing method was able to estimate a normal distribution range of species diversity as well as the zoning effect range.