نتایج جستجو برای: pressure technique
تعداد نتایج: 996044 فیلتر نتایج به سال:
Tremendous efforts have been devoted to study the complex phenomenon "knock in spark ignition engines. There is an increasing interest in providing some tools to study knock in simulated data. In the previous studies, engine cylinder pressure oscillation has been used to investigate knock. Unless those methods involved highly complex non-detailed chemical relations, the previous studies were de...
We have developed a new technique to estimate the clinically relevant aortic pressure waveform from multiple, less invasively measured peripheral artery pressure waveforms. The technique is based on multichannel blind system identification in which two or more measured outputs (peripheral artery pressure waveforms) of a single-input, multi-output system (arterial tree) are mathematically analyz...
Objectives: Hypertension is a third cause of mortality in the world and also has great cost of treatment for patients. Use of non pharmacologic methods similar as progressive muscle relaxation can reduce blood pressure and its complication such as myocardial infarction (MI). The study purpose determine conducted to the effect of progressive muscle relaxation on hypertensive patients with myocar...
background: sellick's maneuver (cricoid pressure) may make laryngoscopic view and tracheal intubation more difficult. this study compared the different techniques of cricoid pressure (cp) regarding to the laryngoscopic view and time to intubation. methods: in142 anesthetized patients, 4 types of cp was randomly applied; a) one-handed cp using thumb, index and middle fingers, b) one-handed cp us...
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