To reinforce the inclined web shear crack in the shear span of the prestressed concrete hollow slab beam (PCHSB) on a click here bridge running for 20 years, a new method of grouting reinforcement was developed.Meanwhile, the grouting material corresponding to this method was developed, so as to improve the shear bearing capacity of prestressed con
ABSTRACT A selection of commercially available antibodies, targeted against markers employed in studies of mammary gland biology, was tested to determine their reactivity in goat mammary tissue and the derived tissue cultures.Expression of the markers smooth muscle actin ( SMA ), selected keratins ( KRT ) 5, 14, 18 , and 19 , CD24 molecule ( CD24 )
Effective power system operation requires the analysis of vast amounts of information.Power market activities expose power transmission networks to high-level power transactions that threaten normal, secure operation of the power system.When there are service requests for a specific sink/source pair in a transmission system, the transmission system