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The pollen tube acts as a conduit to transport the male gamete ... The pollen tube's journey through the style often results in depth-to-diameter ratios above 100:1 ...
Bankstown Reservoir is a heritage-protected water tower and a local landmark situated in the Sydney suburb of Bankstown, New South Wales, Australia.Located 22 kilometres (14 mi) west of Sydney CBD, the reservoir is elevated and was built on reinforced concrete piers, which is one of the oldest of this type that is still in use.
A depth gauge is an instrument for measuring depth below a vertical reference surface. They include depth gauges for underwater diving and similar applications. A diving depth gauge is a pressure gauge that displays the equivalent depth below the free surface in water. The relationship between depth and pressure is linear and accurate enough ...
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To generate a 3-dimensional view of fluxes, the flux sensor must take measurements in the X, Y, and Z directions at each point around a sample. In 2006, a view of H + and O 2 3D flux vectors around a pollen tube was produced using Mageflux software developed by Yue Xu. [25] A breast tumor sample is measured simultaneously by H + and O 2 flux ...
A sailor and a man on shore, both sounding the depth with a line. Depth sounding, often simply called sounding, is measuring the depth of a body of water.Data taken from soundings are used in bathymetry to make maps of the floor of a body of water, such as the seabed topography.
Echo sounding or depth sounding is the use of sonar for ranging, normally to determine the depth of water . It involves transmitting acoustic waves into water and recording the time interval between emission and return of a pulse; the resulting time of flight , along with knowledge of the speed of sound in water, allows determining the distance ...
Special consideration must be given to measurement of depth given the effect of pressure on gauges. The use of bourdon tube, diaphragm, and digital depth gauges may require adjustment for use at altitude. [2] Capillary gauges have been shown to be a conservative method for measurement of compensated depth at altitude. [5]