Air quality -- Determination of the number concentration of airborne inorganic fibres by phase contrast optical microscopy -- Membrane filter method— 38 стр.
Air quality; determination of the number concentration of airborne inorganic fibres by phase contrast optical microscopy; membrane filter method— 28 стр.
Air quality; determination of the number concentration of airborne inorganic fibres by phase contrast optical microscopy; membrane filter method— 28 стр.