Voorbeelden van sieving

• Aggregates were premoistened with deionized water by capillary action for 10 min and then subjected to wet sieving for 5 min27.

• Recovery rates of over 85% were recorded with both washing and sieving methods.

• Then, in the laboratory each core section was processed by washing and sieving the content sequentially through 4.75-, 2-, 1.4and 0.85-mm sieves.

• Few investigators have utilized dextran sieving techniques to elucidate the properties of the glomerular filtration barrier in women with pre-eclampsia.

• At monthly intervals, seeds were retrieved from the seed-soil mixture by sieving (1.44 mm 1.44 mm) and washing.

• Measurements of pigment composition were taken from three individual cores, 1 day after sieving the sediment and from all experimental cores after 21 days.

• Spores of mycorrhizal endogeny species extracted from soil by wet sieving and decanting.

• The molluscan infauna of dead wood was also included, but no sieving for soil infauna was attempted.

• All remaining material after sieving was collected in a fabric-mesh sieve (0.3-0.5 mm opening diameter).

• The sand fraction (63-2000 m) was determined by wet sieving, with silt (2-63 m) and clay (<2 m) determined by hydrometer.

• The liquid, consisting of water and effluent, was collected in a tray at the bottom of the sieving device.

• The inclusions result from coarser sieving when preparing the paste, keeping the coarse nonplastics as temper (instead of throwing them away).

• The clay is refined by sieving it, and the extracted material is reinjected into the clay body.

• Grain-size analyses were carried out by dry sieving 2-3 kg of pyroclastic samples.

• After 3 d, the seeds were recovered from the softened fruit by sieving.