Abstract Background Internationally, systematic screening for sight-threatening diabetic retinopathy (STDR) usually includes annual recall.Researchers and policy-makers support extending screening intervals, citing evidence from kashayam dress observational studies with low incidence rates.However, there is little research around the acceptability

In order to find out the reason for the bogie frame instability alarm in the high-speed railway vehicle, the influence of wheel tread profile of the unstable vehicle was investigated.By means of wheel-rail contact analysis and dynamics simulation, the effect of tread wear on the bogie frame lateral stability was studied.The result indicates that th

This article tries to show, in general terms, how Maurice Halbwachs has discovered presence and vitality in the collective memorieswhich have been excluded from the socially-institutionalized world.In order to decipher his opaque writing, one should try for halloween cookie card a sociology of the depths, for a sociological look that, separating it

Unexploded ordnance (UXO) survey is the foremost task of clearance project.Transient electromagnetic method (TEM) is proved effective for UXO survey.However, it is still difficult for TEM to detect small-size, ultra-shallow and dense UXO targets because the large-size devices and inversion methods for large-scale applications are usually ineffectiv