Psittacosaurus is one of the most abundant and speciose genera in the Dinosauria, with fifteen named species.The genus is geographically and temporally widespread with large sample sizes of several of the nominal species allowing detailed analysis of intra- and interspecific variation.We present a reanalysis of three separate, coeval species within
In order to overcome the shortcomings of poor accuracy, control absence and difficult implementation in the process of conventional railway equipment maintenance, this paper proposes an intelligent patrol inspection system solution, which integrates intelligent inspection and maintenance collectors, intelligent patrol inspection instruments and vid
One of the legacies of armed conflict is unexploded ordnance and abandoned ammunition.This legacy will, in many cases, have a severe impact on society and daily life, even for years or decades after hostilities have ended.The millions of tonnes of explosive remnants that remain in nature represent a grave threat in many ways, and, if ANTI-COLD- CLI
During the processes of stock land redevelopment, appropriate profit allocation is key to promoting the implementation of urban renewal.Meanwhile, its intricate, multi-participant interest games tends to obstruct the progress of urban renewal programs.Many scholars have studied the various types of interest conflicts among different stakeholders, t