نتایج جستجو برای: unit
تعداد نتایج: 395026 فیلتر نتایج به سال:
background changes in vital signs may affect the myocardial oxygen demand. massage therapy has been used in intensive care units to relive patients’ physical and psychological problems. in all of the studies massaging has been done by a nurse and the patients’ family did not have any role. objectives the present study aimed to examine the effects of massage therapy by patient’s relative on vita...
we consider of the antimicrobial activity on the ag nanoparticles(ag nps) aqueous solutions, which was prepared using a stabilizer, such as poly(n vinyl 2 pyrrolidone pvp , for staphylococcus aureus) s aureus and escherichia coli e coli by measuring the minimum inhibitory concentration mic . antimicrobial effect of ag nps for s aureus and e coli was investigated using disk diffusion method also...
background: use of contrast agents (cas) during ct simulation for treatment planing system leads to changes in electron density. in this study we aimed to investigate the effect on calculated dose of various concentrations of cas on treatment planing systems in different dose calculation algorithms. materials and methods: contrast agent (0.769 mg/ml iopromid) - water mixtures at concentration...
introduction: current thermal cycling units fail to simulate the drinking behaviors, and oral balancing temperature. they cannot also simulate other oral conditions such as drink coloring, and chemicals like tea, coffee, carbonated and noncarbonated, citrus juices as well as alcoholic and nonalcoholic drinks and also saliva and milk itself. the main objective of this study is to introduce the d...
© Deli Wang Laboratory at UCSD. Unit Overview This unit takes an approach to physics that differs markedly from much of what we have encountered in previous units. Rather than cataloging the elementary components of matter, we look at what happens at the macroscopic scale when the interactions of these components with one another and their environment lead to entirely new—emergent—behavior. Aft...
چکیده ندارد.
چکیده-پخش بار بهینه به عنوان یکی از ابزار زیر بنایی برای تحلیل سیستم های قدرت پیچیده ،برای مدت طولانی مورد بررسی قرار گرفته است.پخش بار بهینه توابع هدف یک سیستم قدرت از جمله تابع هزینه سوخت ،آلودگی ،تلفات را بهینه می کند،و هم زمان قیود سیستم قدرت را نیز برآورده می کند.در کلی ترین حالتopf یک مساله بهینه سازی غیر خطی ،غیر محدب،مقیاس بزرگ،و ایستا می باشد که می تواند شامل متغیرهای کنترلی پیوسته و گ...
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