The COVID-19 pandemic has not only brought a virus to the public, but also spawned a large number of rumors.The Internet has made it very convenient for media websites to record and spread rumors, while the official government, as the subject of rumor control, can release rumor-refutation information to reduce the harm of rumors.Therefore, earthbat
Abstract Background It is widely accepted that venous valves play an important role in reducing the pressure applied to the veins under dynamic load conditions, such as the act of standing up.This understanding is, however, qualitative and not quantitative.The purpose of this paper is to quantify the pressure shielding effect and its variation with
Abstract Background Spontaneous conus medullaris infarction is a rare disease.We describe two patients with spontaneous conus medullaris infarction presenting as acute cauda equina syndrome and their unique electromyography (EMG) findings.Case presentation Two patients developed acute low back pain with mild asymmetric paraparesis, loss of perianal
COMS (Communication, Ocean and Meteorological Satellite) is a geostationary satellite and developed by KARI for communication, ocean and meteorological observations.It will be tested under vacuum and very low temperature conditions in order to verify thermal design of COMS.The test will be baseball scoreboards for sale performed by using KARI large