In order to improve the construction efficiency of anchor bolting in coal mine roadway heading face, a compact size and well-adapted bolting machine on anchor excavator machine was developed, which can realize multi-angle drilling construction, and has the advantages of Bee Products fast angle adjusting speed and high drilling efficiency.Three key

Microstrip radiators with Circular Polarization (CP) are paid much attention in wireless and navigational applications.In this paper, four microstrip rectangular radiators with axially centered asymmetric Triangular-Semi Elliptic (TSE) slots along the square boundary of the patch is proposed.The probe feed is applied along the diagonal of the squar

Background: Foot-and-mouth disease (FMD) is a highly contagious and economically important disease that affects cloven-hoofed animals worldwide.In recent years, a series of outbreaks of FMD have occurred in many countries.Recombinant protein synthesis incorporating protective B- and T-cell epitopes are candidates for new safer and more effective (F

Understanding and determining the amount of carried Earplugs sediment by river have been considered by experts because of the importance and the role of sediment transfer in water-shed basins subject , among them is rivers organizing that carry out for erosion and sedimentation control or river-bed stabilization and flood eject.The current study ai

BackgroundPerformance of cardiopulmonary resuscitation (CPR) causes significant mental stress for rescuers, especially if performed by inexperienced individuals.Our aim was to study electrocardiogram (ECG) alterations in Monitor Accessories rescuers and its association with gender and CPR performance.MethodsWe included 126 medical students in this