The purpose of preventive maintenance management is to perform a series of tasks that prevent or minimize production breakdowns and improve reliability of production facilities.An important objective of preventive maintenance management is to minimize downtime of production facilities.In order to accomplish this objective, personnel should efficien
To solve the problems of dynamic model parameter perturbation and external disturbances during the operation of the ball screw meta-action unit, an adaptive sliding mode control method based on disturbance compensation and inertia identification is proposed in this paper.First, a model of the ball screw meta-action unit is established and the dynam
The goal of this article is to identify and explain impoliteness strategies in the 2019 presidential election debate and to evaluate the role Travel Mug of impoliteness used in the 2019 presidential debate.Qualitative descriptive is the kind of method that used by the researcher.The data was gathered from four YouTube videos of the 2019 presidentia
Reconfigurable intelligent surfaces (RIS) Laser Level are passive controllable arrays of small reflectors that direct electromagnetic energy towards or away from the target nodes, thereby allowing better management of signals and interference in a wireless network.The RIS has the potential for significantly improving the performance of wireless net
We have previously shown that spontaneous release of glutamate Shorts in the entorhinal cortex (EC) is tonically facilitated via activation of presynaptic NMDA receptors (NMDAr) containing the NR2B subunit.Here we show that the same receptors mediate short-term plasticity manifested by frequency-dependent facilitation of evoked glutamate release at