In obstructive sleep apnea syndrome (OSA) the periodic reduction or cessation of breathing due to narrowing or occlusion of the upper airway during sleep leads to an impaired cerebral vascular autoregulation that is associated with an increased cardiovasc
Nasopharyngeal carcinoma (NPC) is a prevalent cancer in some areas of southern Asia. To explore the potential of photodynamic therapy (PDT) for the treatment of NPC, a small molecule prodrug 5-aminolevulinic acid (ALA) and its methyl ester (MAL) mediated
The seasonal variability of cirrus depolarization ratio and its altitude at the region of Beijing (39.93°N,116.43°E, the capital of China) are presented. From the results obtained from the cloud aerosol lidar and infrared pathfinder satellite observations
The influences of nutation trail accuracy, simplification of coupling model, spot position jitter, and power variation of incident light on the detection error are analyzed theoretically. Under the condition of satisfying the requirements, the nutation ra