نتایج جستجو برای: vector difference root mean squars
تعداد نتایج: 1216894 فیلتر نتایج به سال:
Introduction: One of the most important steps in root canal therapy is removal of microorganisms presented in the root canal by means of cleaning and shaping with a variety of manual and rotary instruments. The aim of this study was to compare the amount of dentinal debris remained in canal after application of two nickel titanium rotary files(Flexmaster, Twisted) with stereomicroscope. Method...
BACKGROUND To examine the influence of posterior corneal astigmatism on postoperative refractive astigmatism in pseudophakic eyes after cataract surgery. METHODS The study enrolled 64 pseudophakic eyes of 50 patients (71.8 ± 9.9 years old, mean ± standard deviation) who had undergone phacoemulsification with non-toric IOL implantation. Refractive astigmatism was measured using an auto ref-ker...
AIMS Signal averaged electrocardiography is a noninvasive method to evaluate the presence of the potentials that are generated by tissues, activated later than their usual timing in the cardiac cycle. The purpose of this study was to demonstrate the correlation of data obtained via signal averaged electrocardiography and left ventricular dyssynchrony. METHODS We included the patients with adv...
Dust storms are devastating natural disasters that cost billions of dollars and many human lives every year. Using the Non-Hydrostatic Mesoscale Dust Model (NMM-dust), this research studies how different spatiotemporal resolutions of two input parameters (soil moisture and greenness vegetation fraction) impact the sensitivity and accuracy of a dust model. Experiments are conducted by simulating...
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