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  2. Four-point flexural test - Wikipedia

    en.wikipedia.org/wiki/Four-point_flexural_test

    in these formulas the following parameters are used: = Stress in outer fibers at midpoint, = load at a given point on the load deflection curve, = Support span, (mm) = Width of test beam, (mm) = Depth or thickness of tested beam, (mm)

  3. Johnson's parabolic formula - Wikipedia

    en.wikipedia.org/wiki/Johnson's_parabolic_formula

    In structural engineering, Johnson's parabolic formula is an empirically based equation for calculating the critical buckling stress of a column. The formula is based on experimental results by J. B. Johnson from around 1900 as an alternative to Euler's critical load formula under low slenderness ratio (the ratio of radius of gyration to ...

  4. Template:Columns-list - Wikipedia

    en.wikipedia.org/wiki/Template:Columns-list

    Here, width specifies the width of the columns, and determines dynamically the number of columns based on screen width; more columns will be shown on wider displays. If |colwidth= is not specified, the default width of 30em will be used. This template uses CSS3 multiple-column layout, which is not supported by all web browsers.

  5. Strength of materials - Wikipedia

    en.wikipedia.org/wiki/Strength_of_materials

    Often measured with the Izod impact strength test or Charpy impact test, both of which measure the impact energy required to fracture a sample. Volume, modulus of elasticity, distribution of forces, and yield strength affect the impact strength of a material. In order for a material or object to have a high impact strength, the stresses must be ...

  6. Pivot table - Wikipedia

    en.wikipedia.org/wiki/Pivot_table

    Column labels are used to apply a filter to one or more columns that have to be shown in the pivot table. For instance if the "Salesperson" field is dragged to this area, then the table constructed will have values from the column "Sales Person", i.e., one will have a number of columns equal to the number of "Salesperson". There will also be ...

  7. Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Excel

    A backup of an Excel Spreadsheet Add-in (DLL) .xll: Adds custom functionality; written in C++/C, Fortran, etc. and compiled into a special dynamic-link library: Macro .xlm: A macro is created by the user or pre-installed with Excel. Template .xlt: A pre-formatted spreadsheet created by the user or by Microsoft Excel. Module .xlv

  8. 25 Black Friday deals that are worth the splurge: Kate Spade ...

    www.aol.com/lifestyle/black-friday-deals-that...

    New deals just dropped, including our favorite digital picture frame, every Apple device you can think of, and a Barbie dreamhouse any kid would be thrilled to open Christmas morning.

  9. Category:Multi-column templates - Wikipedia

    en.wikipedia.org/.../Category:Multi-column_templates

    If the template has a separate documentation page (usually called "Template:template name/doc"), add [[Category:Multi-column templates]] to the <includeonly> section at the bottom of that page. Otherwise, add <noinclude>[[Category:Multi-column templates]]</noinclude> to the end of the template code, making sure it starts on the same line as the ...