Radial friction is one of the common faults during the operation of centrifugal compressor set, and the extra heat generated thereby may result in the thermal bending of rotor, which has complicated impact on the rotor vibration.In order to accurately identify and diagnose this fault, an analysis model for rotor vibration was established.Meanwhile,
Objective: We aimed to analyze the characteristics and psychological mechanism of depressive symptoms in elderly patients with alcohol dependence under the COVID-19 epidemic and to observe the effect of acupuncture combined with emotional therapy of Chinese medicine treatment on depressive symptoms in elderly patients with alcohol dependence.Method
Adoptive transfer experiments of specific Blush cell populations are widely used methods to assess the role of the injected population on an ongoing process.In the last years, new and unprecedented roles in the regulation of immune responses have been reported for neutrophils.The following protocol is to be used Duffle to isolate neutrophils from b