نتایج جستجو برای: system monitoring
تعداد نتایج: 2453375 فیلتر نتایج به سال:
Background: Cardiac output (CO) is the total volume of blood pumped by the heart per minute and is a function of heart rate and stroke volume. CO is one of the most important parameters for monitoring cardiac function, estimating global oxygen delivery and understanding the causes of high blood pressure. Hence, measuring CO has always been a matter of interest to researchers and clinicians. Sev...
از مهمترین مسائل در اتوماسیون سیستمها، کنترل شرایط کاری سیستم می باشد. در ماشینکاری نیز کنترل سایش ابزار از اهمیت زیادی برخوردار است. چرا که روی دقت ابعادی، صافی سطح قطعه، مسائل اقتصادی ماشینکاری، عمر ماشین ابزار و نیروهای ماشینکاری تاثیر می گذارد. برای اندازه گیری سایش ابزار نیاز به توقف عملیات ماشینکاری می باشد. در سیستمهای تولیدی اتوماتیک سعی بر آن است که بتوان بدون قطع عملیات، سایش ابزار را...
Aim and background : Hemodynamic monitoring of critical patients in intensive units is the cornstone of care. It constitutes an extensive part of care and is helpful in determination of the causes and the response to treatment of hemodynamic instability. Aim of this review articale is to investigate of the Non invasive hemodynamic monitoring in critical care units. Materials and Methods:61 art...
Apart from regular wheel wear such as decreasing wheel diameters and reduced flange thicknesses and heights, wheel flats (WF) and oval wheels (or OOR, Out-Of-Roundness) are the most common wheelset problems for railway vehicles. Within the FP7 Research Project “Saferail”, APT has developed an innovative wheelset monitoring system so-called “Wheel flat and Out of Roundness Monitoring (WORM) syst...
The monitoring items shall be determined in a scientific and reasonable way according to the environmental standards specifications, purpose of is reflect data system real time, accurately comprehensively. It provides basis for planning macro decision-making. makes feasible economical. Guided by technical route monitoring, combined with practical principle priority principle, comprehensive arra...
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