background hypotension during spinal anesthesia is common and can lead to severe injuries and even death. administration of crystalloid fluids is advised to prevent occurrence of hypotension; however its effectiveness is still the matter of arguments. objectives this study was designed to compare the effects of ringer`s lactate and hydroxyethyl starch 6% on hemodynamic parameters after spinal a...

Statistical monitoring of warranty claims data using dynamic probability control limits has been shown to be effective in early detection unforeseen reliability problems that emerge at the design and manufacturing phases. As discrepancy between abnormal patterns normal pattern aggregate is usually small (especially stage), we develop two new schemes adopt CUSUM-type EWMA-type statistics, named ...

A two-compartment fusion system designed to reduce high rates of false alarm (FAR) in single channel monitoring systems was tested with physiological data from pilots exposed to high +Gz forces on a human centrifuge. The first compartment expands input signals into time-frequency domain, where transient changes are captured by wavelet coefficients in frequency ranges of interest. The second com...

In view of the present poultry farming intensity big, disease happens, such as environmental pollution, design the intelligent henhouse environment monitoring system based on zigbee. A detection unit of the system is the main processor cc2430, which coop the sensor detects temperature, humidity, carbon dioxide concentration, light intensity. By zigbee wireless communication module to send data ...

abstract   background and aim: in cement production factories, dust is produced due to corrosion, grinding, replacement, and baking materials in the furnace. electrostatic precipitation is one of the most widely applied technologies for the removal of hazardous particles from cement factories.   materials and methods: in this study, some questionnaires were designed, by attention with several s...