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Related to cross section: Scattering cross section

section (federal code)

A particularly numbered subpart of some federal law.The text of any federal law may be found by going to the Office of the Law Revision Counsel at and clicking on “Search the U.S. Code.” Laws written as, for example,“26 U.S.C. Section 121,”“26 U.S.C. §121,”or sometimes “U.S.C.A.”or “U.S.C.S.”consist of a “title”(26 in the example) and a “section”(121 in the example).Entering the appropriate title and section will bring up the text of the law. See also U.S.C.

section (of land)

A section is a specific area of land measuring 1 square mile. See public land survey system.

References in periodicals archive ?
To calculate the ionization cross section for the subshell Eq.
N = Current number of structural elements (links) in a cross section.
Saturation of the hotface alters the expansion profile of the refractory cross section.
The effective thermal neutron cross section [sigma] measured with unpolarized neutrons is a statistical sum of the singlet [[sigma].
Logs, maps and cross sections may also be copied and pasted into other programs, or exported in one of the many supported file formats such as EMF, EPS, PDF, JPG, BMP, or TIF for insertion into presentations or reports.
Certain stretched materials expand in one direction of their cross sections and contract in the other, while maintaining a constant volume.
Smooth channel cross sections and easy access for easy cleaning.
The company has brought together a steering committee of community leaders to participate on the advisory panel, identify additional members to be invited and help organize the panel to assure that it includes a larger group of individuals who represent a cross section of the Birmingham community and its range of opinions.
Many map layers contain features that can be queried to return detailed information such as assays, cross sections, and reports.
While the photinos are moving through the sun, however, Silk, Olive and Srednicki calculate, their cross section or probability for collision with other particles is too low to cool the sun's core significantly.
The task that researchers face involves finding the tissue density at a particular spot, given the final intensities of the various X-ray beams that have passed through the cross section.
The benefits of distributing CAD designs as 3DF files include persistent file security, smaller file size, content expiration controls, copyright banner options and the ability to restrict functions such as measure, explode and cross section.