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1 dzień temu · The nanometre ( SI symbol: nm) is a unit of length in the metric system equal to 10−9 metres ( 1 1 000 000 000 m = 0.000 000 001 m ). To help compare different orders of magnitude, this section lists lengths between 10 −9 and 10 −8 m (1 nm and 10 nm). 1 nm – diameter of a carbon nanotube.
8 godz. temu · To get an idea of the magnitude of an anchor length, if considering a straight medium-sized pipeline (DN 16 in and wall thickness 0.375 in), operating at a pressure of 6895 kPa (1000 psi) and at a temperature 30 °C above the temperature of installation, a pipe-soil unit friction of 4.9 N/mm and using the equation of Barlow to compute S C, we ...
