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Usage of forward osmosis membrane in FO mode, in which active and support layers of the membrane were in contact with the feed and the draw solutions respectively, provided higher initial water flux (12L/m2h) than the usage of membrane in PRO mode (6L/m2h) having opposite orientation but fluxes approached to each other after 4h during concentration of whey with NH3/CO2 as draw salt. High organic and...
The goals for our research related to socio-scientific issues (SSI) have always been related to the promotion of scientific literacy (see Chap. 1) and the improvement of science learning experiences. However, the work has not always been centrally situated in classroom environments. For much of our early research, we explored students’ moral perspectives (Sadler & Zeidler, 2004), reasoning (Sadler...
In this paper, we present a new knife-edge diffraction method based on Bullington method for the terrestrial line-of-sight (LOS) paths. The diffraction loss of our new knife-edge diffraction method is compared with the results obtained from the Delta-Bullington method and the measurement data existing in the literature for sample fixed terrestrial microwave line-of-sight (LOS)/ non line-of-sight (NLOS)...
Nowadays, nanometer resolution and accuracy in many nanotechnology processes are required. But accuracy is in general opposed with range. High resolution over a wide range has been made possible using interferometric translation stages, in other words by combining metrology with classical mechanical motions. The interferometry is obviously a good solution. Nevertheless, its sensitivity to the medium...
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