<sec>During the re-entry process of aircraft, a layer plasma sheath wrapping its surface will be generated, which lead communication quality to deteriorate and even interrupt, resulting in phenomenon “radio blackout”. The blackout” problem has plagued aerospace industry for many years. One very important reasons is lack awareness transmission environment caused by limitations measurements...

Purpose The present work examines the associations of dietary habits, sedentarism, physical activity (PA) levels and sleep with thyroid function in young euthyroid adults. Methods A total 105 adults participated this cross-sectional study. Thyroid was determined fasting conditions (> 6 h). Dietary habits were measured by a food frequency ques...