的染料 发表于 2025-3-26 23:21:52
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Operations Research and Homeland Security: Overview and Case Study of Pandemic Influenza, we evaluate the effectiveness of the deployment of flu vaccines in 2009. We show that, for many states, the vaccines arrived far too late to be useful. We suggest alternative vaccine allocation policies that could dramatically increase the numbers of flu infections averted. We offer practical takeaArthropathy 发表于 2025-3-27 08:46:20
Sommerfeld Effect Attenuation Using Switched-Stiffness Method of a Non-ideal Internally Damped Shaft–Disk System with Constant Eccentricityified through the time varying potential energy plot which is seen to be diminished after crossing the critical speed owing to the dissipative characteristics of non-potential switching stiffness force.Inflammation 发表于 2025-3-27 11:10:13
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IC-Engine-Based Propulsion Systems,lex powertrains. The main components of IC-engine-based propulsion systems are the engine and the gear box. Clutches or torque converters, which also are part of such a powertrain, are needed during the relatively short phases in which the engine must be kinematically decoupled from the vehicle. AsOrthodontics 发表于 2025-3-27 19:27:53
f the joint operation of concrete and steel coupled with respective failure models. In addition to that, new advances are made in the field of dynamics engineering due to the complexity and importance for seismic and impact activities worldwide. However, numerical models based on finite element code