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The cross-sections of the core and cladding are assumed to a first approximation to be elliptical, and ovality is defined to be twice the third flattening of the ellipse, +, where a is the length of the major axis and b is the length of the minor axis.
CMPs exhibit a high level of tunability with respect to surface area and pore size. Monomers can be designed with longer rigid moieties to increase surface area. The series of CMP-1,4 to CMP-5 shows a dramatic increase in surface area from 500 m 2 /g to 1000 m 2 /g. The increase in surface area can drastically improve their ability to be filled ...
Chemical mechanical polishing (CMP) (also called chemical mechanical planarization) is a process of smoothing surfaces with the combination of chemical and mechanical forces. It can be thought of as a hybrid of chemical etching and free abrasive polishing. [ 1 ]
Orangeburg pipe (also known as "fiber conduit", "bituminous fiber pipe" or "Bermico" or "sand pipe") is bituminized fiber pipe used in the United States. It is made from layers of ground wood pulp fibers and asbestos fibres compressed with and bound by a water resistant adhesive then impregnated with liquefied coal tar pitch .
The pattern is formed by an elliptical or a round orifice on a deflective surface that is tangent to the exit orifice. The orifice has an external groove with a contoured internal cylindrical radius, or “cat's eye” shape. In the elliptical orifice design, the pattern sprays out of the orifice in line with the pipe.
R is the pipe radius, A is the cross-sectional area of pipe. The equation does not hold close to the pipe entrance. [8]: 3 The equation fails in the limit of low viscosity, wide and/or short pipe. Low viscosity or a wide pipe may result in turbulent flow, making it necessary to use more complex models, such as the Darcy–Weisbach equation.
Thus, the two substrates of this enzyme are CTP and N-acylneuraminate, whereas its two products are diphosphate and CMP-N-acylneuraminate. This enzyme belongs to the family of transferases , specifically those transferring phosphorus-containing nucleotide groups ( nucleotidyltransferases ).
Corrugated metal culvert. In the coastal plains of Queensland, Australia, torrential rains during the wet season place a heavy demand on culverts. The natural slope of the flood plains is often very small, and little fall (or head loss) is permissible in the culverts. Researchers developed and patented the design procedure of minimum energy ...
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