The article presents a technique for evaluation dynamic flexibility of the vertical milling machine table, considering the deformations of the supporting system of the machine under the influence of forces equivalent to cutting forces.The vibration exciter in the form of an electric motor with an unbalanced rotor makes it possible to simulate a dyn
This report gives a brief description of field work on the Kuril Islands in summer 2021 carried out by staff of the Institute of Volcanology and Seismology of FEB RAS within the framework of the Institute research theme and projects of the Russian Science Foundation (RSF) and Russian Fund for Basic Research (RFBR).To study chemical erosion of volca
Hypertension has relatively large morbidity and mortality rates throughout the world, including in Indonesia.The prevalence of hypertension tends to be greater in patients with a family history of hypertension.This is thought to be influenced by polymorphisms in the methylenetetrahydrofolate reductase (MTHFR) gene.This study aims to determine the r