Because of the ever-growing demand for environmentally friendly and high-value bioproducts, researchers have been focused on microalgae for biofuels manufacturing. Chlorella Vulgaris is a photosynthetic unicellular organism ...

Foam microstructure including cell size, cell wall thickness and foam density has a prominent role on physical and mechanical response of PU foams. In some researches, relation between some microstructural parameters on mechanical properties were...

constant and depends on the cell size in a manner that larger cells are more efficient than smaller
ones while the energy cost of the synthesis and consequently increasing entropy during this process
is fixed. We estimate the optimal size of a cell as an upper...

and then heating during ultrasonication to avoid particle agglomeration. Both scanning electron and transmission optical microscopes were used to evaluate the role of the nanosized TiO2 on the porous structure of the polyurethane foams. Cell size distributions were...