characteristic concentration
artistic conception characteristics
characteristic electron concentration
conceptual planning characteristic vegetation
High-concentration and low-concentration wastewater
minimum inhibitory concentration and minimum bactericidal concentration
the minimum inhibitory concentration and minimum bactericidal concentration
characteristic manifold characteristic
the greatest characteristic root and characteristic vector
[Estimated environmental concentration
2+1 two stage concentration process
3-D stress concentration
50% lethal（activity inhibition）concentration(LC50)