When a 3-dimensional (solid) object is cut by a plane, the 2-dimensional shape made where the solid object and the plane meet is the cross section.
The 2 most common materials are cadmium or boron, due to their large neutron absorption crosssection.
A triangle does not have a cross-section but the perpendicular line of a right angle triangle meets the base at 90 degrees.
Because the fluid is allowed to expand in the nozzle it increases velocity to fill in the voids created by the shape of the nozzle. The convergent point of the nozzle acts like a bottleneck trying to slow the fluid and compress it into the reduced crosssection of the nozzle. As it leaves the minimum crosssection it expands into the divergent spaces of the nozzle increasing in velocity as it expands. ++_+ No: it gains velocity through the convergence but in the diverging section, trades velocity for pressure.
It is around 12.5 Amps, assuming the crosssection of one strand of cat 6 is of .5 sq mm and four strands are twidted together.
It has a single layer of cell. Lay a paper on a flat surface. With your hands on the surface, push two sides together until you make something that looks like a polyp. Voila! Something similar to a crosssection of a sponge. Think of the paper as cells in a single line.
Recent economic analysis in both Europe and the United States has shown that potential competitiveness impacts are in reality likely to be small in the short term . This report presents qualitative evidence that backs up the analysis in these studies, based on interviews with a crosssection of leading, trade-exposed companies . Most of the respondents are energy-intensive companies with significant emissions in Europe covered by the European Union Emissions Trading System.
It has a single layer of cell. Lay a paper on a flat surface. With your hands on the surface, push two sides together until you make something that looks like a polyp. Voila! Something similar to a crosssection of a sponge. Think of the paper as cells in a single line.
A given crosssection or diameter of the conductor can be obtained by a single strand wire or with many smaller diameter wires put together. For example a 4 sqmm wire can be one solid wire of 4sqmm or can comprise many smaller diameter wires twined together. A solid wire is more rigid whereas multistrand wire is flexible. A solid wire may not need a terminating lug, whereas a multistrand wire needs a terminal lug for termination / connection to a terminal block
A given crosssection or diameter of the conductor can be obtained by a single strand wire or with many smaller diameter wires put together. For example a 4 sqmm wire can be one solid wire of 4sqmm or can comprise many smaller diameter wires twined together. A solid wire is more rigid whereas multistrand wire is flexible. A solid wire may not need a terminating lug, whereas a multistrand wire needs a terminal lug for termination / connection to a terminal block
Plutonium-239 can be prepared by bombarding uranium-238 with neutrons. The uranium-238 captures a neutron to form uranium-239, which then undergoes two beta decays to become plutonium-239. The overall reaction can be represented as ^1^0_n + ^2^3^8_U → ^2^3^9_Pu + 2^1_0_e.
you mean what you mean
It mean what you don't what does it mean.