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CONTEXT Critically ill patients requiring mechanical ventilation frequently need sedatives and analgesics to facilitate their care. Dexmedetomidine, a short-acting alpha-2-agonist, possesses anxiolytic, anesthetic, hypnotic, and analgesic properties. AIMS The objective of this study was to evaluate the efficacy and safety of dexmedetomidine in comparison(More)
The condition for helical antenna axial mode operation according to the classical design data is the wavelength to helix circumference ratio (Cλ) must be in a range of 0.8 to 1.2. In this paper the C/λ ratio reducer to 0.2 for the wavelength 125mm. It is achieved by loading the helix in a back cavity. The design concept of helical resonator filter(More)
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