Co-evaluation of power system frequency performance and operational reliability considering the frequency regulation capability of wind power

With the increasing proportion of renewable energy, the power system inertia decreases, and the operation uncertainty rises.It brings concerns about the system frequency and operational reliability.However, the impacts of the power system frequency performance on the reliability parameters of generation units have not been fully investigated.This p

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Anterior Mandibular Composite Graft for Regeneration of Knife-Edge Ridges in Implant Surgery: A Treatment Case Report

Implant insertion into an atrophic knife-edge ridge with non-simultaneous extraction of anterior and posterior teeth is challenging; this is why bone regeneration before implant placement is of great importance.One of the best sources for reconstruction ssp218dda-sf is an intraoral autogenous bone graft.A composite bone graft is a combination of au

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Assessing the feasibility and effectiveness of household-pooled universal testing to control COVID-19 epidemics.

Outbreaks of SARS-CoV-2 are threatening the health care systems of several countries around the world.The initial control of SARS-CoV-2 epidemics relied on non-pharmaceutical interventions, such as social distancing, teleworking, mouth masks and contact tracing.However, as pre-symptomatic transmission remains an important driver of the epidemic, co

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