Introduction: The majority of nasopharyngeal Security Cameras cysts are asymptomatic and rare.Nevertheless, these lesions are rarely discovered during regular endoscopies and imaging tests.An upper nasopharyngeal Thornwaldt cyst is a benign, mucosal congenital cyst.Even less frequently, they can cause unexplained sinonasal symptoms such as rhinorrh
This paper describes the influence of fiber length of lithium-soap thickener of greases on friction under boundary lubrication conditions.Ball-on-disk sliding tests axle stopper were conducted with lithium soap greases with polyol ester as the base oil.The tests revealed that the greases had a lower friction coefficient than that for the base oil.T
Introduction: The aim of the study was to determine the iron status of rural-dwelling pregnant Nigerian women in the second and third trimesters, and to predict their risk of giving birth to babies with suboptimal iron endowment.Methods: This was a prospective cohort study conducted between April and August 2021.A total of 174 consecutive and conse
Dalam operasinya, truk tangki yang membawa beban cair memiliki resiko kecelakaan yang tinggi dibandingkan kendaraan yang mengangkut benda padat, mayoritas terguling saat melewati tikungan.Salah satu penyebab utama truk tangki terguling adalah adanya gerak periodik permukaan bebas cairan dalam tangki yang tidak terisi penuh atau yang dikenal dengan