The Federal Communication Commission is considering rules enforcing “network neutrality” and legislation proposing similar goals have been discussed in Congress. The goals of the proposed regulation and legislation are preserve an “open Internet”, but are specifically directed toward access networks, or the first link that directly connects users to the Internet. We argue that preserving open c...

To address the instability timing problem of residual coal pillars under mining disturbance, their stress migration law and mechanism were studied via numerical simulation, physical engineering tests considering remining in 3101 working face Shenghua Coal Industry. The results show that as progresses, concentrates on both sides remaining pillar empty roadway. When first front loses its bearing ...

Abstract Background Assessment of inducible ischemia with stress cardiovascular magnetic resonance (CMR) is recommended in patients chest pain and intermediate or high pre-test probability coronary artery disease (CAD). We aimed to provide a contemporary quantitative data synthesis on diagnostic accuracy prognostic value CMR stable syndromes. Methods performed systematic review meta-analysis st...