نتایج جستجو برای: single scale
تعداد نتایج: 1397420 فیلتر نتایج به سال:
introduction: root canal preparation techniques may cause postoperative pain. the aim of the present study was to compare the intensity of postoperative pain after endodontic treatment using hand files, single file rotary (oneshape), and single file reciprocating (reciproc) systems. methods and materials: in this single-blind, parallel-grouped randomized clinical trial a total of 150 healthy pa...
PURPOSE The aim of this study was to investigate whether single nucleotide polymorphisms (SNPs) in genes of the stress hormone signaling pathway, specifically FKBP5, NR3C1, and CRHR1, are associated with depressive symptoms during and after pregnancy. METHODS The Franconian Maternal Health Evaluation Study (FRAMES) recruited healthy pregnant women prospectively for the assessment of maternal ...
For object recognition based on nearest neighbor search of local descriptors such as SIFT, it is important to minimize the cost of extracting image features. The processes of extracting image features are composed of scale-space extrema detection, keypoint localization, orientation assignment and keypoint descriptor.In this paper, we propose a new method of efficient scale-space extrema detecti...
The aim of this study was the comparison of the marital attitude based on the severity of mind wandering in single students. The research method was descriptive and causal-comparative. The statistical population consisted of all single students of Islamic Azad University, Central Tehran Branch, in the academic year 2019-2020.100 people with mild mind wandering and 142 people with severe mind wa...
GalNAc-T1, a key candidate of GalNac-transferases genes family that is involved in mucin-type O-linked glycosylation pathway, is expressed in most biological tissues and cell types. Despite the reported association of GalNAc-T1 gene mutations with human disease susceptibility, the comprehensive computational analysis of coding, noncoding and regulatory SNPs, and their functional impacts on prot...
in this work the synthesis of polyaniline/chitosan/functionalized single- walled carbon nanotube nanocomposite is carried out. for this purpose single -walled carbon nanotubes were reacted with thionyl chloride to change the hydroxyl to acyl chloride groups for improving the react ability. in other step, aniline monomers and chitosan were polymerized in the presence of iron (iii) chloride to sy...
Single nucleotide polymorphism (SNP) studies and random mutagenesis projects identify amino acid substitutions in protein-coding regions. Each substitution has the potential to affect protein function. SIFT (Sorting Intolerant From Tolerant) is a program that predicts whether an amino acid substitution affects protein function so that users can prioritize substitutions for further study. We hav...
The effect of technology scaling (0.5–0.09 m) on single event upset (SEU) phenomena is investigated using full two-dimensional device simulation. The SEU reliability parameters, such as critical charge ( crit), feedback time ( fd) and linear energy transfer (LET), are estimated. For 0 18 m, the source node collects a significant fraction of radiation-induced charge resulting in an increase of L...
the available experiments and reports of executed projects in iranian research centers and universities show that the ability of know-how development of chemical and petrochemical synthesis as well as their required catalyst is existed in laboratory scale. although, know-how development in larger scale is possible, too but no certain scientific and classified method has been explained which is ...
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