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  2. Industrial radiography - Wikipedia

    en.wikipedia.org/wiki/Industrial_radiography

    Industrial radiography is a modality of non-destructive testing that uses ionizing radiation to inspect materials and components with the objective of locating and quantifying defects and degradation in material properties that would lead to the failure of engineering structures. It plays an important role in the science and technology needed ...

  3. Prices of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Prices_of_chemical_elements

    Graphite flakes can cost around US$0.9/kg carbon. [20] Price of synthetic industrial diamond for grinding and polishing can range from 1200 to 13 300 USD/kg, while cost per weight of large synthetic diamonds for industrial applications can be on the order of million dollars per kilogram. [21] 7: N: Nitrogen: 0.0012506: 19 (5.263 × 10 17 kg) 0. ...

  4. Projectional radiography - Wikipedia

    en.wikipedia.org/wiki/Projectional_radiography

    Projectional radiography, also known as conventional radiography, [ 1] is a form of radiography and medical imaging that produces two-dimensional images by X-ray radiation. The image acquisition is generally performed by radiographers, and the images are often examined by radiologists. Both the procedure and any resultant images are often ...

  5. Extended X-ray absorption fine structure - Wikipedia

    en.wikipedia.org/wiki/Extended_X-ray_absorption...

    Extended X-ray absorption fine structure ( EXAFS ), along with X-ray absorption near edge structure ( XANES ), is a subset of X-ray absorption spectroscopy ( XAS ). Like other absorption spectroscopies, XAS techniques follow Beer's law. The X-ray absorption coefficient of a material as a function of energy is obtained by directing X-rays of a ...

  6. AOL Mail

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    You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.

  7. You'll Have a Hard Time Retiring Without This 1 Thing (and It ...

    www.aol.com/youll-hard-time-retiring-without...

    For example, if your goal is to save $500 per month for retirement and you qualify for a $2,400 401 (k) match, you could subtract 1/12 of this -- $200 -- from your monthly savings target, leaving ...

  8. 50 Printable Pumpkin Carving Stencils To Use as Templates - AOL

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    These free printable pumpkin templates will give you plenty of fun ideas. ... We have 50 free printable pumpkin stencils to use as templates for you to check out and use.

  9. Free-electron laser - Wikipedia

    en.wikipedia.org/wiki/Free-electron_laser

    Free-electron laser. The free-electron laser FELIX Radboud University, Netherlands. A free-electron laser ( FEL) is a fourth generation light source producing extremely brilliant and short pulses of radiation. An FEL functions much as a laser but employs relativistic electrons as a gain medium instead of using stimulated emission from atomic or ...