The United States Air Force (USAF) is one of the six branches of the United States armed forces. Its primary responsibility is for air warfare and air defense. The USAF was created as a standalone entity in 1947, but the history of American military acti
The US Air Force Research Lab (AFRL) has integrated several technology development efforts together to form a cohesive approach for enabling deployable opt... KD Bell,MK Powers,SF Griffin,... - Proceedings of SPIE - The International Society for Optical Engineering 被引量: 13发表: 1998年 Air...
In April 2024, the US Air Force selected Anduril and General Atomics Aeronautical Systems to design, manufacture and test the production representative flight test articles of the CCA programme for the US Air Force Life Cycle Management Center. GA-ASI’s production representative design under the CC...
we conceptualize our study and extend the HPF with an exogenous variable (institutional quality) and two major external shock predictors, as displayed in Fig.4. We form a new argument that health outcomes are significantly influenced by the direct and indirect intervention of externalities and ...
Shettle, E.P. & Fenn, R.W.Models for the Aerosols of the Lower Atmosphere and the Effects of Humidity Variations on their Optical Properties. U.S. Air Force Geophysics Laboratory Environmental Research Papers, Vol. 676, 14 (1979).
While the improvement of science and the establishment of the standards reflect that science is not only the first productive force in economic and social development but also the first driving force in the solution of governance problems (20.44%). The environment is a kind of public good, to ...
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including short-lived climate forcers64,65,66,67,68. Future research should aim to show how policies that provide the right market incentives for technology trade-offs can exploit synergies and avoid lock-in effects in infrastructure by combining effective short-term air pollution control measures ...
Expiratory flow in small airways is, in part, dependent on the interplay of inward force of high pleural pressure and outward force of elastic recoil –which is dependent on lung volume. It is not practical to measure flows as a percentage of total lung volume, so percentage of FVC is ...