back scatter

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back scatter

n Physics

1. (Physics / General Physics) the scattering of particles or radiation, such as sound waves, X-rays, or alpha-particles, by the atoms of the medium through which they pass, in the backward direction

2. (Physics / General Physics) the radiation or particles so scattered

3. (Military) a technique whereby very long-range radars locate targets hidden by the curvature of the earth. Radar beams are reflected off the underside of the troposphere onto the target and the return beams, similarly reflected, are measured

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back-scattering over-the-horizon radar			The back scatter optics in the recently introduced Malvern HPPS (High Performance Particle Sizer) are enabling the accurate measurement of a range of high concentration samples without the need for dilution. Particle size measurement at high concentration. (Plant & Equipment) by Food Trade Review Other inspection methods that don't require removal of insulation such as radiography and neutron back scatter, only provide information where pipe can be accessed at discrete points. Profile Presents Wave Inspection Technology to Corrosion Engineers by Business Wire			back green back judge back light back marker back matter back mutation back nine back number back o' Bourke back of beyond back off back office back on to back out back pack back pain back passage back pay back porch back pressure back projection back rest Back River back room back saw back scatter back scrubber back seat back shift back slang Back stairs Back step back story back straight Back stream back street back stretch back talk back tell back tooth back up back yard Back-acting steam engine back-and-forth back-blast back-breaking back-channel back-check back-country back-end load back-formation			back putty Back quadrant Back Quality Ergonomics back quote back radiation back rake back raking back raking back raking back raking back range Back Range of Motion Back rasher Back rasher Back rashers Back rashers back reef Back rent back resistance Back rest Back River Back River back room back room Back Room Technician back rooms Back Row Vacancy back rush Back saw Back saw back scatter Back Scatter Factor Back Scatter Ratio Back Scattered Electron Detector Back Scattering Electron Microscopy back scleral size Back scratcher back scrubber back seat Back seat driver back seats back shift back shore back shot back Shu points back Shu points back Shu points back Shu points back shutter Back Side Back side bus Back side bus Back Sight back siphonage back siphonage preventer Back slang Back slash Back slash back slope back solution

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