A new theory termed "tunnel-acid-group-potential" (TAGPT), explaining the effect of pHo and pH(i) on ion conductance through different membrane channels, is presented. It is suggested that shifts in pHo and pH(i) lead to changes in values of negative charges generated by acid groups of side chains of some polar (Glu-, Asp-) amino acid residues, lining the tunnel part of the channel. The resulti...

The lining crack is common for the tunnel in stage of operation, which has seriously influenced service life and safety engineering. It a new trend to use computer vision detect cracks over past few years China foreign countries. By image processing technology intelligent algorithm, hominine visual perception system understands, analyzes, determines input information, thus recognizing detecting...