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Ferdinand Pierre Beer (August 8, 1915 – April 30, 2003) was a French mechanical engineer and university professor. He spent most of his career as a member of the faculty at Lehigh University, where he served as the chairman of the mechanics and mechanical engineering departments.
The absorbance of a material that has only one absorbing species also depends on the pathlength and the concentration of the species, according to the Beer–Lambert law =, where ε is the molar absorption coefficient of that material; c is the molar concentration of those species; ℓ is the path length.
In the mechanics of materials, the strength of a material is its ability to withstand an applied load without failure or plastic deformation.The field of strength of materials deals with forces and deformations that result from their acting on a material.
A Assuming an altitude of 194 metres above mean sea level (the worldwide median altitude of human habitation), an indoor temperature of 23 °C, a dewpoint of 9 °C (40.85% relative humidity), and 760 mmHg sea level–corrected barometric pressure (molar water vapor content = 1.16%).
A suspect is in custody after a knife attack at Grand Central 42 Street subway station in New York injured two with neck and wrist slashes.
A viral post shared on X claims Colorado Republican Rep. Lauren Boebert purportedly said Egypt owns the Panama Canal. Verdict: False The claim is false and originally stems from an account on X ...
Republican Senator Markwayne Mullin said on Monday that Robert F. Kennedy Jr., President-elect Donald Trump's pick for health secretary and a vaccine skeptic, told him he supports polio vaccination.
In materials science and engineering, the yield point is the point on a stress–strain curve that indicates the limit of elastic behavior and the beginning of plastic behavior. Below the yield point, a material will deform elastically and will return to its original shape when the applied stress is removed.