The phrase "placed down" is correct and usable in written English.
It typically means to set something down gently or to put it in a certain spot. For example, "She placed the vase carefully down on the table."
"Each layer can be placed down without intermixing," says Ober.
A needle of ∼30 μm diameter is positioned on-axis right behind the foil, creating a radial electric field that deflects the secondary electrons radially outward so as to miss the sample and to hit the micro-channel plate (MCP) detector placed down beam.
It's the same as most lyceums, except that it has been called Tumbleweed Tech, and has been defended by its president, Dr. Robert Maxson, who insisted it is not a "bandit" or "outlaw" school, and has been placed down in a town known variously as Sin City, Sodom-on-the-Sand and the Green Velvet Jungle.
At our institution we perform the CT component with arms up except for head and neck studies where the arms are placed down by the side.
TDK says they produce these sheets by adding an adhesive layer to a resin film substrate, resulting in a film that can be placed down evenly.
The children's wreath was placed down by 10-year-old Meghan Mathews, whose father was killed in Afghanistan while trying to help an injured boy.
Traditional EKG sensors require a wet gel layer to be placed down between a patient's skin and the sensor and cannot be left on the body for long periods.
Receiving the ball from Jason Robinson 10 metres outside the 22, he attacked the open space on the right, cut inside, then out, to put the defender on the floor and placed down with consummate ease.
The infantry would proceed close behind a creeping barrage placed down by light field guns, advancing in timed 100 yards increments.
For this purpose two vectors were cloned: one in which the YFP-tagged coding sequence of UGT73C6 was placed down-stream of its own promoter (UGT73C6 pro UGT73C6-YFP), and another one in which the UGT73C6-YFP fusion was driven by the CaMV35 S promoter.
Biofilm matrices can retain water, sorb nutrients, and protect against rapid changes in salinity, osmolarity, pH, nutrient availability, and redox [ 3], and we have observed the formation of biofilms (i.e., surface-attached cells) that contain Desulfovibrio species in sediments placed down-well at bioremediation field sites (Bowen-DeLeon and Fields, unpublished results).
