For the problem that the security proof was difficult to be realized under the standard model in the existing ID-based ring signature schemes, an ID-based ring signature scheme proven secure in the standard model was proposed.Firstly, the formal definitions of security model and adversary model of ID-based ring signature were given.Then, a specific

An important goal of smart grid is to leverage modern digital communication infrastructure to help control power systems more effectively.As more and more Internet of Things (IoT) devices with measurement and/or control capability are designed and deployed for a more stable and efficient power system, the role of communication network has become mo

The European Union supports measures to ensure the visibility and value of skills acquired through non-formal and informal learning.The validation process helps to bridge the educational inequalities, and offers further pathways for the development of skills and competences needed in life and in trailmaster challenger 200x the EU labour market.The

Hu Ai,1,* Hui-Ping Zhang,1,* Guo-Jian Yang,1 Nai-Xin Zheng,1 Guo-Dong Tang,1 Hui Li,1 Qi Zhou,2 Jun-Hong Ren,3 Ying Zhao,1 Fu-Cheng Sun1 1Department of Cardiology, Beijing Hospital, National Center of Gerontology, Beijing, 100730, China; 2The MOH Key Laboratory of Geriatrics, Beijing Hospital, National Center of Gerontology, Beijing, 100730, China;

Purpose: To report a case in which an internal limiting membrane (ILM) flap that was used to cover an idiopathic macular hole (MH) during pars plana vitrectomy (PPV) with the inverted internal limiting membrane flap technique partially detached from the retina.Most interestingly, the flap fell back spontaneously to re-cover the MH.Observations: A 7