The pulse pneumatic conveying system has been a important transporting method for grain material, because of lower velocity, higher ratio of blend and a littler gas, as well as shattering less materiel, abrasing pipeline and easy recovery
A black hole can accrete matter into itself as the matter falls or is pulled towards it. the accreting material then orbits around the black hole, forming an accretion disk
Method for pneumatic test of dissolved acetylene cylinders
Not only the neurons but also the as in the rat brain play a very important role in the process of the peripheral nociceptive stimulation ; ? he newly - found eda may be the functional intercommunication ultrastructure between neurons and as, through which the as could modulate the neurons in the pain signal processing ; @ as might play an active and important role for modulation of pain through a new pathway from the peripheral afferent nerve to the as, then to neurons via electron - dense areas forming the glia - neuron s ignaling network
It shows well-defined wavelengths which are characteristic of the structure of the metal forming the anode.