Solid rocket Record Player with USB Recording motors (SRMs) are widely used as propulsion devices in the aerospace industry.The SRM nozzle and combustion chamber are connected with a plugged-in structure, which makes it difficult to use the existing technology to investigate the internal conditions of the SRM during docking and assembly.The unknown
Abstract Background The inflammatory disease periodontitis results in tooth loss and can even lead to diseases of the whole body if not treated.Gingival crevicular fluid (GCF) reflects the condition of the gingiva and contains proteins transuded from serum or cells at inflamed sites.In this study, we aimed to discover potential protein biomarkers f
The evacuation Wireless Over Ear channel is an important way to connect the room and the security exit.This paper studies the impact of queuing behavior on the evacuation of people in the building channel.In this paper, Considering the factors of evacuation channel width, personnel density and speed, queuing form, different queuing queues, etc., us
Housework or domestic work is the work performed in the interest for one or more households.Convention No.189/2011 and Recommendation of domestic workers no.201/2011 were adopted in the framework of the 100th session of the International Labour Organization Conference.These regulations provided detailed and constructive orientations Ostomy Supplies