نتایج جستجو برای: profile reduction

تعداد نتایج: 702111  

Journal: :Metals 2021

Kinematic bending of profiles allows to manufacture parts with high flexibility concerning the geometry. Still, production asymmetric cross-sections regarding force application axis using kinematic processes offers challenges springback and warping. These geometric deviations can be reduced by partial, cross-sectional heating during process as it lowers flow stress locally. In this work, influe...

2009

Profile-directed optimization is an effective technique to improve program performance, but it may result in program performance and compiler behavior that is sensitive to both the selection of inputs used for training and the actual input in each run of the program. Cross-validation over a workload of inputs can address the input-sensitivity problem, but introduces the need to select a represe...

2015
Sungsoo Ha Klaus Mueller

In computed tomography (CT), metal implants increase the inconsistencies between the measured data and the linear assumption made by the analytical CT reconstruction algorithm. The inconsistencies appear in the form of dark and bright bands and streaks in the reconstructed image, collectively called metal artifacts. The standard method for metal artifact reduction (MAR) replaces the inconsisten...

2014
Varun Kumar Ojha Konrad Jackowski Václav Snásel Ajith Abraham

A suitable regression model for predicting the dissolution profile of Poly (lactic-co-glycolic acid) (PLGA) microand nanoparticles can play a significant role in pharmaceutical/medical applications. The rate of dissolution of proteins is influenced by several factors and taking all such influencing factors into account, we have a dataset in hand with three hundred input features. Therefore, a p...

Cogging torque is the major limitation of axial flux permanent magnet motors. The reduction of cogging torque during the design process is highly desirable to enhance the overall performance of axial flux permanent magnet motors. This paper presents a double-layer magnet design technique for cogging torque reduction of axial flux permanent magnet motor. Initially, 250 W, 150 rpm axial flux brus...

Alireza Abdollahi, Amirfarhang Zand Parsa Sara Ashoori

Background and Objectives: Lipoprotein-a potentially represents a useful tool for risk stratification in cardiovascular accidents.  The aim of this study was to evaluate the atorvastatin effect on serum lipid profile & lipoprotein A. Material & Methods: In 2009, 405 patients with acute coronary syndrome randomly were divided into 2 groups, taking 20 & 40 mg atorvastatin daily for 3 months. Lip...

Purpose: To study the benefits of Directional Bremsstrahlung Splitting (DBS) dose variance reduction technique in BEAMnrc Monte Carlo (MC) code for Oncor® linac at 6MV and 18MV energies. Materials and Method: A MC model of Oncor® linac was built using BEAMnrc MC Code and verified by the measured data for 6MV and 18MV energies of various field sizes. Then Oncor® machine was modele...

2011
Ho Keung Tsoi Li Chen

Folksonomic system allows users to use tags to describe items. These tags do not just exist in the form of textual description, and they actually bear more meaning underneath, such as user preference. In this paper, we first show the distribution of preferences and semantic categories across a folksonomic system, and then develop a hybrid design to cope with the cold-start problem. Specifically...

2017
Julius Onyancha Valentina Plekhanova

One of the significant issues facing web users is the amount of noise in web data which hinders the process of finding useful information in relation to their dynamic interests. Current research works consider noise as any data that does not form part of the main web page and propose noise web data reduction tools which mainly focus on eliminating noise in relation to the content and layout of ...

2007
Xinjun Li

This paper investigates the effect of loading level and loading rate on the damage development and strength on the asphalt mixtures tested at three low temperatures. The current AASHTO specification for asphalt mixture low-temperature characterization consists of two tests: the indirect tensile creep (ITC) test and the indirect tensile strength (ITS). In the ITC, the load was applied until the ...

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