نتایج جستجو برای: cones
تعداد نتایج: 11494 فیلتر نتایج به سال:
In this work, the electronic properties of BP and CSi Nano cones have been investigated by self-consistent reaction field (SCRF) method in water solvent at B3PW91/6-31G (d,p) level of DFT theory for study of for interactions of 5-Fluorouracil Anticancer Drug with theses Nano cones. The percent of change of energy gap (%ΔEg) shows that the complex formation of 5-Fluorouracil with BP ...
In this paper, by using the exponential convexity property of a barrier function, we propose an infeasible interior-point method for Cartesian P_*(k) horizontal linear complementarity problem over symmetric cones. The method uses Nesterov and Todd full steps, and we prove that the proposed algorithm is well define. The iteration bound coincides with the currently best iteration bound for the Ca...
to compare the mechanical properties of resilon and gutta-percha cones after storing at three different temperatures.one-hundred standardized size 40/02 gutta-percha cones and 100 resilon cones were randomly divided into four groups. the first group of the materials were tested immediately after receipt as the control group. the other three were stored in their packages at -12°c, 4± 1°c and 22±...
previous evidence has shown that the number of l and m cones in retina varies significantly between subjects. however, it is not clear how the variation of l/m ratio changes the behavioral performance of the subject. a model of transformation of data from retina to visual cortex for evaluation of various l/m cones ratios is presented. while l/m cone ratios close to 1 brings the best performance...
Introduction: The most common approach for obturation of roots which were treated endodontically is lateral condensation. Finger spreaders have an essential role in packing the gutta-percha cones. This survey was carried out to compare the compaction index of root canal obturation made by Stainless Steel (SS) and Nickel-Ttitanium (Ni-Ti) spreaders and different gutta-percha tapers. Materials a...
statement of problem: it has been established that successful root canal treatment depends on the quality of obturation. deeper penetration of spreaders can improve the apical seal and the quality of the obturation. purpose: the aim of this study was to compare the initial penetration depth of spreaders during lateral condensation of 0.04 and 0.02 tapered gutta-percha master cones. materials an...
in this paper, we investigate the continuity of linear and sublinear correspondences defined on cones in normed spaces. we also generalize some known results for sublinear correspondences.
Previous evidence has shown that the number of L and M cones in retina varies significantly between subjects. However, it is not clear how the variation of L/M ratio changes the behavioral performance of the subject. A model of transformation of data from retina to visual cortex for evaluation of various L/M cones ratios is presented. While L/M cone ratios close to 1 brings the best performance...
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