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Satellite image of the Cayman Trough Bathymetric features of the Rockall Trough northwest of Scotland and Ireland. In geology, a trough is a linear structural depression that extends laterally over a distance. Although it is less steep than a trench, a trough can be a narrow basin or a geologic rift. These features often form at the rim of ...
For example, through devices fabricated from an LB trough Lee et al. [17] showed in 2006 that direct electron tunneling was the mode of transportation in alkanethiol self-assembled monolayers [18] Langmuir-Blodgett Troughs have unique advantages in nanoparticle deposition, making them capable of creating highly sophisticated coatings with ...
Some troughs look similar to oceanic trenches but possess other tectonic structures. One example is the Lesser Antilles Trough, which is the forearc basin of the Lesser Antilles subduction zone. [8] Also not a trench is the New Caledonia trough, which is an extensional sedimentary basin related to the Tonga-Kermadec subduction zone. [9]
A trough is the opposite of a crest, so the minimum or lowest point of the wave. When the crests and troughs of two sine waves of equal amplitude and frequency intersect or collide, while being in phase with each other, the result is called constructive interference and the magnitudes double (above and below the line).
A parabolic trough is shaped as a parabola in the x-y plane, but is linear in the z direction. A parabolic trough is made of a number of solar collector modules (SCM) fixed together to move as one solar collector assembly (SCA). A SCM could have a length up to 15 metres (49 ft 3 in) or more.
Four items are required for gas collection with a pneumatic trough: [2] The trough itself, which is a large glass dish or a similar container. A gas bottle (or bulb), to hold the gas collected. A way to support the gas bottle or bulb, such as a beehive shelf or a hanger (as with Stephen Hales' design). A liquid in the trough.
A science project is an educational activity for students involving experiments or construction of models in one of the science disciplines. Students may present their science project at a science fair, so they may also call it a science fair project. Science projects may be classified into four main types.
Michelson–Morley type experiments have been repeated many times with steadily increasing sensitivity. These include experiments from 1902 to 1905, and a series of experiments in the 1920s. More recently, in 2009, optical resonator experiments confirmed the absence of any aether wind at the 10 −17 level.
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