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Selection criteria for cells and recordings. During each of the three behavioral conditions (spatial navigation, wheel running, and REM sleep), only putative pyramidal cells whose average firing rates were in the 0.2-7 Hz range were used. Putative interneurons, defined as having an average firing rate above 7 Hz over an entire recording session, were excluded. Recordings with at least N=60 neur...
در این پایان نامه ، الگوریتم های نقطه درونی اولیه – دوگان برای بهینه سازی مخروط مرتبه دوم ، بر پایه توابع هسته متنوع ارائه می شود. و توابع هسته پیچیدگی بهتری را نتیجه می دهند، لذا از اهمیت زیادی برخوردارند. این دسته از توابع هسته ، قبلا" در بهینه سازی خطی بررسی شده است . کران های تکرار برای روش های بهنگام سازی بزرگ و کوچک o(?n log?n)log??n/?? و o(?n)log??n/?? بوده که n عدد مخروط مرتبه دوم در تد...
Background and purpose: Lidocaine is an intermediate acting local anesthetic agents used very much in epidural anesthesia and has less risk of cardiac or CNS problems compared with bupivacaine. This study evaluated the duration of motor and sensory block of epidural anesthesia with lidocaine alone, lidocoine plus epinephrine and lidocaine plus fentanyl. Materials and Methods: In this doubl...
this presentation will cover, appearance of normal nerve versus tendon; anisotropy (advantage and disadvantage); special case carpal tunnel; tendinopathy; nerve impingement; special case cubital tunnel.
background : on-pump coronary artery bypass graft (cabg) surgery impairs gas exchange in the early postoperative period. the main object on this study was evaluation of changes in arterial blood gas values in patients underwent on pump cabg surgery receiving different dose of intravenous nitroglycerin (ntg). methods : sixty-seven consecutive patients undergoing elective on-pump cabg randomly e...
SUMMERY A controlled double -blind clinical trial was performed in 40 normal children, with no underlying pulmonary pathology, who underwent surgery. The objective was to study the effect of increase in the rate of respiration (RR) on PaCo2 in the anesthetized child . The RR of the control group (n=20) RR was set at 40/min. In the study patients (n=20) RR was set at 40/min. For the first 30 mi...
We introduce a new mechanism-design problem called fair imposition. In this setting a center wishes to fairly allocate tasks among a set of agents whose cost structures are known only to them, and thus will not reveal their true costs without appropriate incentives. The center, with the power to impose arbitrary tasks and payments on the agents, has the additional goal that his net payment to t...
In 1965, T. J. Willmore conjectured that the integral of the square of the mean curvature of a torus immersed in R is at least 2π. We prove this conjecture using the min-max theory of minimal surfaces.
We assess the behaviour of 5 different feature extraction methods for an acoustic event classification task—built using the same SVM underlying technology—by means of two different techniques: accuracy and the entropy triangle. The entropy triangle is able to find a classifier instance whose relatively high accuracy stems from an attempt to specialize in some classes to the detriment of the ove...
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