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Clustering for wireless sensor networks (WSNs) is an effective scheme in utilizing sensor nodes energy and extending the network lifetime, while coverage preservation is one of the most essential issues to guarantee the quality of service (QoS). However, the coverage problem has not been well understood so far. For mission-critical applications of networks,(More)
The time course of intracranial pressure (ICP) after subarachnoid hemorrhage (SAH) is not well known. This retrospective study was conducted to investigate the occurrence and the dynamic variation of raised ICP post-SAH. ICP was prospectively studied in 120 patients with SAH who were admitted to neurocritical care within 24 h of hemorrhage. Patients(More)
The mesoporous graphitic carbon nitride (mpg-C3N4/r, r was defined as the initial silica/dicyandiamide mass ratio) was successfully synthesized by heating the mixture of silica and dicyandiamide in a nitrogen atmosphere. The morphology and structure of mpg-C3N4/r were characterized by scanning electron microscopy (SEM), transmission electron microscopy(More)
OBJECTIVE This study aims to evaluate the long-term efficacy of low-dose amitriptyline combined with abrupt withdrawal in outpatients of medication-overuse headache (MOH) in an open-label design. METHODS We evaluated the effectiveness of early introduction of low-dose amitriptyline combined with abrupt withdrawal in outpatients with MOH over a 1-year(More)
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