A programme of Rope Reins archaeological trial trenching and excavation was undertaken by CFA Archaeology Ltd between Maryport (Alavna) Roman Fort and Netherhall Road on the north-eastern outskirts of Maryport from 2010 to 2016.The work confirmed the presence of a large sub-square ditched enclosure with two phases of construction, which is interpre
In this study, the foam sandwich panels were manufactured by integrating top facesheet Washing Machine Timer and bottom facesheet with pyramidal lattice stitched core to overcome the weak interface between the core and skins of the sandwich structures.Low-velocity impact test and numerical simulation were conducted to reveal the failure mechanisms
In order to solve the problems of high energy consumption, low efficiency and serious pollution in petrochemical industry, based on the theory of circular economy, the operation system of circular economy model in petrochemical industry is analysed.Then, the material flow analysis method is introduced, and its meaning and Ball - Umpire - Protective