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In filling lines equipped with membrane separation devices in the form of filters energy, consumption is only one important working parameters, other being sustainable filter performance terms efficiency. As line typically a valve, intermittent operation an its use. Whereas overall energy filtration process governed by continuous mode, characterised opening/closing contributes most to problems ...
Oil and Gas offshore pipelines, often pass through large geographical areas, from the supply point to the end-user, crossing seismic-active areas. For unburied pipelines, both seismic ground wave and permanent ground deformation can cause severe damage to pipelines, depending on the pipeline geometry and connected structures. Due to the largely non-linear nature of the problem, a finite element...
anisocoria during anesthesia is very rare, but may indicate life-threatening neurologic injuries and create tremendous condition. a 23-year-old male patient was anesthetized with fentanyl and propofol. thirty minutes after inducing anesthesia, unilateral mydriasis was detected. the duration of surgery was shortened for prompt evaluation of the pupils. at the end of the operation neither vision ...
although the shelling and bombing against the residential areas have been prohibited in the international law, the iraqi regime used these tools frequently to advance its military and political strategy. these attacks were escalated after the kheibar operation. this article considers the definitions and concepts of the war of the cities and then studies the trend of this war during the iran-ira...
Aim and Background: Effective postoperative pain control is very important. Paracetamol is a non-opioid analgesic drug with less side effects. At this study, we compare analgesic effect of paracetamol plus meperidine and meperidine alone on postoperative cesarean. Methods and Materials: This double blind randomized clinical trial was conducted on 70 pregnant undergoing elective cesarean sec...
objective: to investigate the decrease in hemoglobin concentration and hematocrit during elective surgery. methods: this was a prospective study being performed in nemazee hospital of shiraz university of medical sciences. we included a total of 50 american society of anesthesiology (asa) i and ii patients undergoing elective minor surgeries. perioperative fluid administration was performed for...
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