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In civil engineering (specifically hydraulic engineering), a hydrodynamic separator (HDS) is a stormwater management device that uses cyclonic separation to control water pollution. They are designed as flow-through structures with a settling or separation unit to remove sediment and other pollutants. [ 1 ]
[citation needed] For efficient separation, the density difference between the heavy minerals and the light minerals in the feedstock should be at least 1 g/cm 3; [1] and because the separation is dependent upon size and density, spiral separators are most effective at purifying ore if its particles are of uniform size and shape. A spiral ...
Permeable pavements may give urban trees the rooting space they need to grow to full size. A "structural-soil" pavement base combines structural aggregate with soil; a porous surface admits vital air and water to the rooting zone. This integrates healthy ecology and thriving cities, with the living tree canopy above, the city's traffic on the ...
Hydrodynamic trapping can also be used to trap and study molecules in lipid bilayers. This is done using hydrodynamic drag forces that are created by a fluid flow through a very small cone shaped pipet located about one micrometer away from the lipid bilayer. This allows particles protruding from the lipid bilayer to be trapped and studied. [4]
From Nicole Kidman’s erotic thriller “Babygirl,” to a book of sexual fantasies edited by Gillian Anderson, this was the year the female sex drive took the wheel in popular culture.
Oftentimes, when dogs undergo a surgery, there is one person who will take care of the dog, help the dog get up, take the dog out on leashed walks, provide mental enrichment, etc.
This guy gave new meaning to the slogan “Gottahava Wawa.” Police in East Windsor, N.J., arrested a 24-year-old man on Dec. 23, and charged him with misusing the town’s 911 system for ...
Description of a commercial water tunnel showing the inlet baffle, flow conditioning screens, and converging section. These show the clear difference between a recirculating wind tunnel and a water tunnel. A miniature water tunnel whose return section is simply a reservoir tub with a sump pump. Flow rate is controlled by constricting the flow ...