Concepedia

Lead concentrations in fine particulate matter after the phasing out of leaded gasoline in Xi’an, China

Hongmei Xu, Junji Cao, Kin‐Fai Ho, Hu Ding, Yongming Han, G.H. Wang, J. C. Chow, John G. Watson, S.D. Khol, W.T. Li

Atmospheric Environment · 2011 · 185 citations · 50 references

DOI

Concepts

References

50

The continental crust: Its composition and evolution

Stuart Ross Taylor, S. M. McLennan · Academic Commons (Stony Brook University) · 1985 · 11.1K citations · Full text

, , +17

The continental crust: its composition and evolution

Brian F. Windley · Physics of The Earth and Planetary Interiors · 1986 · 11K citations

, , +17

Positive matrix factorization: A non‐negative factor model with optimal utilization of error estimates of data values

Pentti Paatero, Unto Tapper · Environmetrics · 1994 · 6.3K citations

, , +14

Particulate air pollution and acute health effects

Anthony Seaton, David Godden, William MacNee et al. · The Lancet · 1995 · 2.2K citations

, , +14

Least squares formulation of robust non-negative factor analysis

Pentti Paatero · Chemometrics and Intelligent Laboratory Systems · 1997 · 2.1K citations

, , +8