The U.S. Air Force asked the RAND Corporation to assist its development and validation of gender-neutral tests and standards for battlefield airmen (BA) specialties. The Air Force has conducted an extensive validation study of occupational relevance of physical fitness tests and standards. Following the fitness test validation study, one enlisted specialty (Tactical Air Control Party [TACP]) and one officer BA specialty (Air Liaison Officer [ALO]) moved forward with an implementation plan to further evaluate a set of recommended tests and continuation standards. This study describes RAND's assistance to the Air Force on two fronts: (1) conducting a preliminary evaluation of potential issues and concerns that might influence implementation effectiveness and (2) developing a framework for evaluating the implementation of occupationally relevant and specific tests and standards. This work provides the foundation for ongoing review and evaluation of Air Force fitness tests and standards, which are designed to ensure that airmen are capable of performing critical physical tasks associated with their assigned specialties.
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Langmuir
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School of Physics, East China University of Science and Technology, Shanghai 200237, China.
Black phosphorus (BP), a promising two-dimensional material, faces significant challenges for its applications due to its instability in air and water. Herein, molecular dynamics simulations reveal that a self-assembled ferrocene (FeCp) molecular layer can form on BP surfaces and remain stable in aqueous environments, predicting its effectiveness for passivation. This theoretical finding is corroborated by X-ray photoelectron spectroscopy, Fourier-transform infrared spectroscopy, Raman spectroscopy, and optical microscopy observations.
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Department of Radiology, Functional and Molecular Imaging Key Lab of Shaanxi Province, Tangdu Hospital, Air Force Medical University, Xi'an, 710038, Shaanxi, China.
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